Merge branch 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (49 commits)
  perfcounter: Handle some IO return values
  perf_counter: Push perf_sample_data through the swcounter code
  perf_counter tools: Define and use our own u64, s64 etc. definitions
  perf_counter: Close race in perf_lock_task_context()
  perf_counter, x86: Improve interactions with fast-gup
  perf_counter: Simplify and fix task migration counting
  perf_counter tools: Add a data file header
  perf_counter: Update userspace callchain sampling uses
  perf_counter: Make callchain samples extensible
  perf report: Filter to parent set by default
  perf_counter tools: Handle lost events
  perf_counter: Add event overlow handling
  fs: Provide empty .set_page_dirty() aop for anon inodes
  perf_counter: tools: Makefile tweaks for 64-bit powerpc
  perf_counter: powerpc: Add processor back-end for MPC7450 family
  perf_counter: powerpc: Make powerpc perf_counter code safe for 32-bit kernels
  perf_counter: powerpc: Change how processor-specific back-ends get selected
  perf_counter: powerpc: Use unsigned long for register and constraint values
  perf_counter: powerpc: Enable use of software counters on 32-bit powerpc
  perf_counter tools: Add and use isprint()
  ...

15 files changed, 992 insertions, 329 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 0cbd5d6874ec..36d7eef49913 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -157,10 +157,15 @@ uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
 uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
 uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
 
+# If we're on a 64-bit kernel, use -m64
+ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M))
+  M64 := -m64
+endif
+
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
-CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
-LDFLAGS = -lpthread -lrt -lelf
+CFLAGS = $(M64) -ggdb3 -Wall -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -Werror -O6
+LDFLAGS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
 STRIP ?= strip
@@ -285,6 +290,7 @@ LIB_FILE=libperf.a
 
 LIB_H += ../../include/linux/perf_counter.h
 LIB_H += perf.h
+LIB_H += types.h
 LIB_H += util/list.h
 LIB_H += util/rbtree.h
 LIB_H += util/levenshtein.h
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index b1ed5f766cb3..7e58e3ad1508 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -25,6 +25,10 @@
 #define SHOW_USER       2
 #define SHOW_HV         4
 
+#define MIN_GREEN               0.5
+#define MIN_RED         5.0
+
+
 static char             const *input_name = "perf.data";
 static char             *vmlinux = "vmlinux";
 
@@ -39,40 +43,42 @@ static int		dump_trace = 0;
 
 static int              verbose;
 
+static int              print_line;
+
 static unsigned long    page_size;
 static unsigned long    mmap_window = 32;
 
 struct ip_event {
         struct perf_event_header header;
-        __u64 ip;
-        __u32 pid, tid;
+        u64 ip;
+        u32 pid, tid;
 };
 
 struct mmap_event {
         struct perf_event_header header;
-        __u32 pid, tid;
-        __u64 start;
-        __u64 len;
-        __u64 pgoff;
+        u32 pid, tid;
+        u64 start;
+        u64 len;
+        u64 pgoff;
         char filename[PATH_MAX];
 };
 
 struct comm_event {
         struct perf_event_header header;
-        __u32 pid, tid;
+        u32 pid, tid;
         char comm[16];
 };
 
 struct fork_event {
         struct perf_event_header header;
-        __u32 pid, ppid;
+        u32 pid, ppid;
 };
 
 struct period_event {
         struct perf_event_header header;
-        __u64 time;
-        __u64 id;
-        __u64 sample_period;
+        u64 time;
+        u64 id;
+        u64 sample_period;
 };
 
 typedef union event_union {
@@ -84,6 +90,13 @@ typedef union event_union {
         struct period_event             period;
 } event_t;
 
+
+struct sym_ext {
+        struct rb_node  node;
+        double          percent;
+        char            *path;
+};
+
 static LIST_HEAD(dsos);
 static struct dso *kernel_dso;
 static struct dso *vdso;
@@ -145,7 +158,7 @@ static void dsos__fprintf(FILE *fp)
                 dso__fprintf(pos, fp);
 }
 
-static struct symbol *vdso__find_symbol(struct dso *dso, __u64 ip)
+static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
 {
         return dso__find_symbol(kernel_dso, ip);
 }
@@ -178,19 +191,19 @@ static int load_kernel(void)
 
 struct map {
         struct list_head node;
-        __u64    start;
-        __u64    end;
-        __u64    pgoff;
-        __u64    (*map_ip)(struct map *, __u64);
+        u64      start;
+        u64      end;
+        u64      pgoff;
+        u64      (*map_ip)(struct map *, u64);
         struct dso       *dso;
 };
 
-static __u64 map__map_ip(struct map *map, __u64 ip)
+static u64 map__map_ip(struct map *map, u64 ip)
 {
         return ip - map->start + map->pgoff;
 }
 
-static __u64 vdso__map_ip(struct map *map, __u64 ip)
+static u64 vdso__map_ip(struct map *map, u64 ip)
 {
         return ip;
 }
@@ -373,7 +386,7 @@ static int thread__fork(struct thread *self, struct thread *parent)
         return 0;
 }
 
-static struct map *thread__find_map(struct thread *self, __u64 ip)
+static struct map *thread__find_map(struct thread *self, u64 ip)
 {
         struct map *pos;
 
@@ -414,7 +427,7 @@ struct hist_entry {
         struct map       *map;
         struct dso       *dso;
         struct symbol    *sym;
-        __u64    ip;
+        u64      ip;
         char             level;
 
         uint32_t         count;
@@ -519,7 +532,7 @@ sort__dso_print(FILE *fp, struct hist_entry *self)
         if (self->dso)
                 return fprintf(fp, "%-25s", self->dso->name);
 
-        return fprintf(fp, "%016llx         ", (__u64)self->ip);
+        return fprintf(fp, "%016llx         ", (u64)self->ip);
 }
 
 static struct sort_entry sort_dso = {
@@ -533,7 +546,7 @@ static struct sort_entry sort_dso = {
 static int64_t
 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 {
-        __u64 ip_l, ip_r;
+        u64 ip_l, ip_r;
 
         if (left->sym == right->sym)
                 return 0;
@@ -550,13 +563,13 @@ sort__sym_print(FILE *fp, struct hist_entry *self)
         size_t ret = 0;
 
         if (verbose)
-                ret += fprintf(fp, "%#018llx  ", (__u64)self->ip);
+                ret += fprintf(fp, "%#018llx  ", (u64)self->ip);
 
         if (self->sym) {
                 ret += fprintf(fp, "[%c] %s",
                         self->dso == kernel_dso ? 'k' : '.', self->sym->name);
         } else {
-                ret += fprintf(fp, "%#016llx", (__u64)self->ip);
+                ret += fprintf(fp, "%#016llx", (u64)self->ip);
         }
 
         return ret;
@@ -647,7 +660,7 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
 /*
  * collect histogram counts
  */
-static void hist_hit(struct hist_entry *he, __u64 ip)
+static void hist_hit(struct hist_entry *he, u64 ip)
 {
         unsigned int sym_size, offset;
         struct symbol *sym = he->sym;
@@ -676,7 +689,7 @@ static void hist_hit(struct hist_entry *he, __u64 ip)
 
 static int
 hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
-                struct symbol *sym, __u64 ip, char level)
+                struct symbol *sym, u64 ip, char level)
 {
         struct rb_node **p = &hist.rb_node;
         struct rb_node *parent = NULL;
@@ -848,7 +861,7 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
         int show = 0;
         struct dso *dso = NULL;
         struct thread *thread = threads__findnew(event->ip.pid);
-        __u64 ip = event->ip.ip;
+        u64 ip = event->ip.ip;
         struct map *map = NULL;
 
         dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
@@ -1030,13 +1043,33 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
         return 0;
 }
 
+static char *get_color(double percent)
+{
+        char *color = PERF_COLOR_NORMAL;
+
+        /*
+         * We color high-overhead entries in red, mid-overhead
+         * entries in green - and keep the low overhead places
+         * normal:
+         */
+        if (percent >= MIN_RED)
+                color = PERF_COLOR_RED;
+        else {
+                if (percent > MIN_GREEN)
+                        color = PERF_COLOR_GREEN;
+        }
+        return color;
+}
+
 static int
-parse_line(FILE *file, struct symbol *sym, __u64 start, __u64 len)
+parse_line(FILE *file, struct symbol *sym, u64 start, u64 len)
 {
         char *line = NULL, *tmp, *tmp2;
+        static const char *prev_line;
+        static const char *prev_color;
         unsigned int offset;
         size_t line_len;
-        __u64 line_ip;
+        u64 line_ip;
         int ret;
         char *c;
 
@@ -1073,27 +1106,36 @@ parse_line(FILE *file, struct symbol *sym, __u64 start, __u64 len)
         }
 
         if (line_ip != -1) {
+                const char *path = NULL;
                 unsigned int hits = 0;
                 double percent = 0.0;
-                char *color = PERF_COLOR_NORMAL;
+                char *color;
+                struct sym_ext *sym_ext = sym->priv;
 
                 offset = line_ip - start;
                 if (offset < len)
                         hits = sym->hist[offset];
 
-                if (sym->hist_sum)
+                if (offset < len && sym_ext) {
+                        path = sym_ext[offset].path;
+                        percent = sym_ext[offset].percent;
+                } else if (sym->hist_sum)
                         percent = 100.0 * hits / sym->hist_sum;
 
+                color = get_color(percent);
+
                 /*
-                 * We color high-overhead entries in red, mid-overhead
-                 * entries in green - and keep the low overhead places
-                 * normal:
+                 * Also color the filename and line if needed, with
+                 * the same color than the percentage. Don't print it
+                 * twice for close colored ip with the same filename:line
                  */
-                if (percent >= 5.0)
-                        color = PERF_COLOR_RED;
-                else {
-                        if (percent > 0.5)
-                                color = PERF_COLOR_GREEN;
+                if (path) {
+                        if (!prev_line || strcmp(prev_line, path)
+                                       || color != prev_color) {
+                                color_fprintf(stdout, color, " %s", path);
+                                prev_line = path;
+                                prev_color = color;
+                        }
                 }
 
                 color_fprintf(stdout, color, " %7.2f", percent);
@@ -1109,10 +1151,125 @@ parse_line(FILE *file, struct symbol *sym, __u64 start, __u64 len)
         return 0;
 }
 
+static struct rb_root root_sym_ext;
+
+static void insert_source_line(struct sym_ext *sym_ext)
+{
+        struct sym_ext *iter;
+        struct rb_node **p = &root_sym_ext.rb_node;
+        struct rb_node *parent = NULL;
+
+        while (*p != NULL) {
+                parent = *p;
+                iter = rb_entry(parent, struct sym_ext, node);
+
+                if (sym_ext->percent > iter->percent)
+                        p = &(*p)->rb_left;
+                else
+                        p = &(*p)->rb_right;
+        }
+
+        rb_link_node(&sym_ext->node, parent, p);
+        rb_insert_color(&sym_ext->node, &root_sym_ext);
+}
+
+static void free_source_line(struct symbol *sym, int len)
+{
+        struct sym_ext *sym_ext = sym->priv;
+        int i;
+
+        if (!sym_ext)
+                return;
+
+        for (i = 0; i < len; i++)
+                free(sym_ext[i].path);
+        free(sym_ext);
+
+        sym->priv = NULL;
+        root_sym_ext = RB_ROOT;
+}
+
+/* Get the filename:line for the colored entries */
+static void
+get_source_line(struct symbol *sym, u64 start, int len, char *filename)
+{
+        int i;
+        char cmd[PATH_MAX * 2];
+        struct sym_ext *sym_ext;
+
+        if (!sym->hist_sum)
+                return;
+
+        sym->priv = calloc(len, sizeof(struct sym_ext));
+        if (!sym->priv)
+                return;
+
+        sym_ext = sym->priv;
+
+        for (i = 0; i < len; i++) {
+                char *path = NULL;
+                size_t line_len;
+                u64 offset;
+                FILE *fp;
+
+                sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum;
+                if (sym_ext[i].percent <= 0.5)
+                        continue;
+
+                offset = start + i;
+                sprintf(cmd, "addr2line -e %s %016llx", filename, offset);
+                fp = popen(cmd, "r");
+                if (!fp)
+                        continue;
+
+                if (getline(&path, &line_len, fp) < 0 || !line_len)
+                        goto next;
+
+                sym_ext[i].path = malloc(sizeof(char) * line_len + 1);
+                if (!sym_ext[i].path)
+                        goto next;
+
+                strcpy(sym_ext[i].path, path);
+                insert_source_line(&sym_ext[i]);
+
+        next:
+                pclose(fp);
+        }
+}
+
+static void print_summary(char *filename)
+{
+        struct sym_ext *sym_ext;
+        struct rb_node *node;
+
+        printf("\nSorted summary for file %s\n", filename);
+        printf("----------------------------------------------\n\n");
+
+        if (RB_EMPTY_ROOT(&root_sym_ext)) {
+                printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
+                return;
+        }
+
+        node = rb_first(&root_sym_ext);
+        while (node) {
+                double percent;
+                char *color;
+                char *path;
+
+                sym_ext = rb_entry(node, struct sym_ext, node);
+                percent = sym_ext->percent;
+                color = get_color(percent);
+                path = sym_ext->path;
+
+                color_fprintf(stdout, color, " %7.2f %s", percent, path);
+                node = rb_next(node);
+        }
+}
+
 static void annotate_sym(struct dso *dso, struct symbol *sym)
 {
         char *filename = dso->name;
-        __u64 start, end, len;
+        u64 start, end, len;
         char command[PATH_MAX*2];
         FILE *file;
 
@@ -1121,13 +1278,6 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
         if (dso == kernel_dso)
                 filename = vmlinux;
 
-        printf("\n------------------------------------------------\n");
-        printf(" Percent |      Source code & Disassembly of %s\n", filename);
-        printf("------------------------------------------------\n");
-
-        if (verbose >= 2)
-                printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name);
-
         start = sym->obj_start;
         if (!start)
                 start = sym->start;
@@ -1135,7 +1285,19 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
         end = start + sym->end - sym->start + 1;
         len = sym->end - sym->start;
 
-        sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s", (__u64)start, (__u64)end, filename);
+        if (print_line) {
+                get_source_line(sym, start, len, filename);
+                print_summary(filename);
+        }
+
+        printf("\n\n------------------------------------------------\n");
+        printf(" Percent |      Source code & Disassembly of %s\n", filename);
+        printf("------------------------------------------------\n");
+
+        if (verbose >= 2)
+                printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name);
+
+        sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s", (u64)start, (u64)end, filename);
 
         if (verbose >= 3)
                 printf("doing: %s\n", command);
@@ -1150,6 +1312,8 @@ static void annotate_sym(struct dso *dso, struct symbol *sym)
         }
 
         pclose(file);
+        if (print_line)
+                free_source_line(sym, len);
 }
 
 static void find_annotations(void)
@@ -1308,6 +1472,8 @@ static const struct option options[] = {
         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                     "dump raw trace in ASCII"),
         OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
+        OPT_BOOLEAN('l', "print-line", &print_line,
+                    "print matching source lines (may be slow)"),
         OPT_END()
 };
 
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0f5771f615da..d7ebbd757543 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -37,33 +37,37 @@ static pid_t			target_pid			= -1;
 static int                      inherit                         = 1;
 static int                      force                           = 0;
 static int                      append_file                     = 0;
+static int                      call_graph                      = 0;
 static int                      verbose                         = 0;
 
 static long                     samples;
 static struct timeval           last_read;
 static struct timeval           this_read;
 
-static __u64                    bytes_written;
+static u64                      bytes_written;
 
 static struct pollfd            event_array[MAX_NR_CPUS * MAX_COUNTERS];
 
 static int                      nr_poll;
 static int                      nr_cpu;
 
+static int                      file_new = 1;
+static struct perf_file_header  file_header;
+
 struct mmap_event {
         struct perf_event_header        header;
-        __u32                           pid;
-        __u32                           tid;
-        __u64                           start;
-        __u64                           len;
-        __u64                           pgoff;
+        u32                             pid;
+        u32                             tid;
+        u64                             start;
+        u64                             len;
+        u64                             pgoff;
         char                            filename[PATH_MAX];
 };
 
 struct comm_event {
         struct perf_event_header        header;
-        __u32                           pid;
-        __u32                           tid;
+        u32                             pid;
+        u32                             tid;
         char                            comm[16];
 };
 
@@ -77,10 +81,10 @@ struct mmap_data {
 
 static struct mmap_data         mmap_array[MAX_NR_CPUS][MAX_COUNTERS];
 
-static unsigned int mmap_read_head(struct mmap_data *md)
+static unsigned long mmap_read_head(struct mmap_data *md)
 {
         struct perf_counter_mmap_page *pc = md->base;
-        int head;
+        long head;
 
         head = pc->data_head;
         rmb();
@@ -88,6 +92,32 @@ static unsigned int mmap_read_head(struct mmap_data *md)
         return head;
 }
 
+static void mmap_write_tail(struct mmap_data *md, unsigned long tail)
+{
+        struct perf_counter_mmap_page *pc = md->base;
+
+        /*
+         * ensure all reads are done before we write the tail out.
+         */
+        /* mb(); */
+        pc->data_tail = tail;
+}
+
+static void write_output(void *buf, size_t size)
+{
+        while (size) {
+                int ret = write(output, buf, size);
+
+                if (ret < 0)
+                        die("failed to write");
+
+                size -= ret;
+                buf += ret;
+
+                bytes_written += ret;
+        }
+}
+
 static void mmap_read(struct mmap_data *md)
 {
         unsigned int head = mmap_read_head(md);
@@ -108,7 +138,7 @@ static void mmap_read(struct mmap_data *md)
          * In either case, truncate and restart at head.
          */
         diff = head - old;
-        if (diff > md->mask / 2 || diff < 0) {
+        if (diff < 0) {
                 struct timeval iv;
                 unsigned long msecs;
 
@@ -136,36 +166,17 @@ static void mmap_read(struct mmap_data *md)
                 size = md->mask + 1 - (old & md->mask);
                 old += size;
 
-                while (size) {
-                        int ret = write(output, buf, size);
-
-                        if (ret < 0)
-                                die("failed to write");
-
-                        size -= ret;
-                        buf += ret;
-
-                        bytes_written += ret;
-                }
+                write_output(buf, size);
         }
 
         buf = &data[old & md->mask];
         size = head - old;
         old += size;
 
-        while (size) {
-                int ret = write(output, buf, size);
-
-                if (ret < 0)
-                        die("failed to write");
-
-                size -= ret;
-                buf += ret;
-
-                bytes_written += ret;
-        }
+        write_output(buf, size);
 
         md->prev = old;
+        mmap_write_tail(md, old);
 }
 
 static volatile int done = 0;
@@ -191,7 +202,7 @@ static void pid_synthesize_comm_event(pid_t pid, int full)
         struct comm_event comm_ev;
         char filename[PATH_MAX];
         char bf[BUFSIZ];
-        int fd, ret;
+        int fd;
         size_t size;
         char *field, *sep;
         DIR *tasks;
@@ -201,8 +212,12 @@ static void pid_synthesize_comm_event(pid_t pid, int full)
 
         fd = open(filename, O_RDONLY);
         if (fd < 0) {
-                fprintf(stderr, "couldn't open %s\n", filename);
-                exit(EXIT_FAILURE);
+                /*
+                 * We raced with a task exiting - just return:
+                 */
+                if (verbose)
+                        fprintf(stderr, "couldn't open %s\n", filename);
+                return;
         }
         if (read(fd, bf, sizeof(bf)) < 0) {
                 fprintf(stderr, "couldn't read %s\n", filename);
@@ -223,17 +238,13 @@ static void pid_synthesize_comm_event(pid_t pid, int full)
 
         comm_ev.pid = pid;
         comm_ev.header.type = PERF_EVENT_COMM;
-        size = ALIGN(size, sizeof(__u64));
+        size = ALIGN(size, sizeof(u64));
         comm_ev.header.size = sizeof(comm_ev) - (sizeof(comm_ev.comm) - size);
 
         if (!full) {
                 comm_ev.tid = pid;
 
-                ret = write(output, &comm_ev, comm_ev.header.size);
-                if (ret < 0) {
-                        perror("failed to write");
-                        exit(-1);
-                }
+                write_output(&comm_ev, comm_ev.header.size);
                 return;
         }
 
@@ -248,11 +259,7 @@ static void pid_synthesize_comm_event(pid_t pid, int full)
 
                 comm_ev.tid = pid;
 
-                ret = write(output, &comm_ev, comm_ev.header.size);
-                if (ret < 0) {
-                        perror("failed to write");
-                        exit(-1);
-                }
+                write_output(&comm_ev, comm_ev.header.size);
         }
         closedir(tasks);
         return;
@@ -272,8 +279,12 @@ static void pid_synthesize_mmap_samples(pid_t pid)
 
         fp = fopen(filename, "r");
         if (fp == NULL) {
-                fprintf(stderr, "couldn't open %s\n", filename);
-                exit(EXIT_FAILURE);
+                /*
+                 * We raced with a task exiting - just return:
+                 */
+                if (verbose)
+                        fprintf(stderr, "couldn't open %s\n", filename);
+                return;
         }
         while (1) {
                 char bf[BUFSIZ], *pbf = bf;
@@ -304,17 +315,14 @@ static void pid_synthesize_mmap_samples(pid_t pid)
                         size = strlen(execname);
                         execname[size - 1] = '\0'; /* Remove \n */
                         memcpy(mmap_ev.filename, execname, size);
-                        size = ALIGN(size, sizeof(__u64));
+                        size = ALIGN(size, sizeof(u64));
                         mmap_ev.len -= mmap_ev.start;
                         mmap_ev.header.size = (sizeof(mmap_ev) -
                                                (sizeof(mmap_ev.filename) - size));
                         mmap_ev.pid = pid;
                         mmap_ev.tid = pid;
 
-                        if (write(output, &mmap_ev, mmap_ev.header.size) < 0) {
-                                perror("failed to write");
-                                exit(-1);
-                        }
+                        write_output(&mmap_ev, mmap_ev.header.size);
                 }
         }
 
@@ -351,11 +359,25 @@ static void create_counter(int counter, int cpu, pid_t pid)
         int track = 1;
 
         attr->sample_type       = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
+
         if (freq) {
                 attr->sample_type       |= PERF_SAMPLE_PERIOD;
                 attr->freq              = 1;
                 attr->sample_freq       = freq;
         }
+
+        if (call_graph)
+                attr->sample_type       |= PERF_SAMPLE_CALLCHAIN;
+
+        if (file_new) {
+                file_header.sample_type = attr->sample_type;
+        } else {
+                if (file_header.sample_type != attr->sample_type) {
+                        fprintf(stderr, "incompatible append\n");
+                        exit(-1);
+                }
+        }
+
         attr->mmap              = track;
         attr->comm              = track;
         attr->inherit           = (cpu < 0) && inherit;
@@ -410,7 +432,7 @@ try_again:
         mmap_array[nr_cpu][counter].prev = 0;
         mmap_array[nr_cpu][counter].mask = mmap_pages*page_size - 1;
         mmap_array[nr_cpu][counter].base = mmap(NULL, (mmap_pages+1)*page_size,
-                        PROT_READ, MAP_SHARED, fd[nr_cpu][counter], 0);
+                        PROT_READ|PROT_WRITE, MAP_SHARED, fd[nr_cpu][counter], 0);
         if (mmap_array[nr_cpu][counter].base == MAP_FAILED) {
                 error("failed to mmap with %d (%s)\n", errno, strerror(errno));
                 exit(-1);
@@ -435,6 +457,14 @@ static void open_counters(int cpu, pid_t pid)
         nr_cpu++;
 }
 
+static void atexit_header(void)
+{
+        file_header.data_size += bytes_written;
+
+        if (pwrite(output, &file_header, sizeof(file_header), 0) == -1)
+                perror("failed to write on file headers");
+}
+
 static int __cmd_record(int argc, const char **argv)
 {
         int i, counter;
@@ -448,6 +478,10 @@ static int __cmd_record(int argc, const char **argv)
         assert(nr_cpus <= MAX_NR_CPUS);
         assert(nr_cpus >= 0);
 
+        atexit(sig_atexit);
+        signal(SIGCHLD, sig_handler);
+        signal(SIGINT, sig_handler);
+
         if (!stat(output_name, &st) && !force && !append_file) {
                 fprintf(stderr, "Error, output file %s exists, use -A to append or -f to overwrite.\n",
                                 output_name);
@@ -456,7 +490,7 @@ static int __cmd_record(int argc, const char **argv)
 
         flags = O_CREAT|O_RDWR;
         if (append_file)
-                flags |= O_APPEND;
+                file_new = 0;
         else
                 flags |= O_TRUNC;
 
@@ -466,15 +500,22 @@ static int __cmd_record(int argc, const char **argv)
                 exit(-1);
         }
 
+        if (!file_new) {
+                if (read(output, &file_header, sizeof(file_header)) == -1) {
+                        perror("failed to read file headers");
+                        exit(-1);
+                }
+
+                lseek(output, file_header.data_size, SEEK_CUR);
+        }
+
+        atexit(atexit_header);
+
         if (!system_wide) {
                 open_counters(-1, target_pid != -1 ? target_pid : getpid());
         } else for (i = 0; i < nr_cpus; i++)
                 open_counters(i, target_pid);
 
-        atexit(sig_atexit);
-        signal(SIGCHLD, sig_handler);
-        signal(SIGINT, sig_handler);
-
         if (target_pid == -1 && argc) {
                 pid = fork();
                 if (pid < 0)
@@ -555,6 +596,8 @@ static const struct option options[] = {
                     "profile at this frequency"),
         OPT_INTEGER('m', "mmap-pages", &mmap_pages,
                     "number of mmap data pages"),
+        OPT_BOOLEAN('g', "call-graph", &call_graph,
+                    "do call-graph (stack chain/backtrace) recording"),
         OPT_BOOLEAN('v', "verbose", &verbose,
                     "be more verbose (show counter open errors, etc)"),
         OPT_END()
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 82fa93b4db99..5eb5566f0c95 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -36,45 +36,65 @@ static int		show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
 
 static int              dump_trace = 0;
 #define dprintf(x...)   do { if (dump_trace) printf(x); } while (0)
+#define cdprintf(x...)  do { if (dump_trace) color_fprintf(stdout, color, x); } while (0)
 
 static int              verbose;
+#define eprintf(x...)   do { if (verbose) fprintf(stderr, x); } while (0)
+
 static int              full_paths;
 
 static unsigned long    page_size;
 static unsigned long    mmap_window = 32;
 
+static char             default_parent_pattern[] = "^sys_|^do_page_fault";
+static char             *parent_pattern = default_parent_pattern;
+static regex_t          parent_regex;
+
+static int              exclude_other = 1;
+
 struct ip_event {
         struct perf_event_header header;
-        __u64 ip;
-        __u32 pid, tid;
-        __u64 period;
+        u64 ip;
+        u32 pid, tid;
+        unsigned char __more_data[];
+};
+
+struct ip_callchain {
+        u64 nr;
+        u64 ips[0];
 };
 
 struct mmap_event {
         struct perf_event_header header;
-        __u32 pid, tid;
-        __u64 start;
-        __u64 len;
-        __u64 pgoff;
+        u32 pid, tid;
+        u64 start;
+        u64 len;
+        u64 pgoff;
         char filename[PATH_MAX];
 };
 
 struct comm_event {
         struct perf_event_header header;
-        __u32 pid, tid;
+        u32 pid, tid;
         char comm[16];
 };
 
 struct fork_event {
         struct perf_event_header header;
-        __u32 pid, ppid;
+        u32 pid, ppid;
 };
 
 struct period_event {
         struct perf_event_header header;
-        __u64 time;
-        __u64 id;
-        __u64 sample_period;
+        u64 time;
+        u64 id;
+        u64 sample_period;
+};
+
+struct lost_event {
+        struct perf_event_header header;
+        u64 id;
+        u64 lost;
 };
 
 typedef union event_union {
@@ -84,6 +104,7 @@ typedef union event_union {
         struct comm_event               comm;
         struct fork_event               fork;
         struct period_event             period;
+        struct lost_event               lost;
 } event_t;
 
 static LIST_HEAD(dsos);
@@ -119,15 +140,11 @@ static struct dso *dsos__findnew(const char *name)
 
         nr = dso__load(dso, NULL, verbose);
         if (nr < 0) {
-                if (verbose)
-                        fprintf(stderr, "Failed to open: %s\n", name);
+                eprintf("Failed to open: %s\n", name);
                 goto out_delete_dso;
         }
-        if (!nr && verbose) {
-                fprintf(stderr,
-                "No symbols found in: %s, maybe install a debug package?\n",
-                                name);
-        }
+        if (!nr)
+                eprintf("No symbols found in: %s, maybe install a debug package?\n", name);
 
         dsos__add(dso);
 
@@ -146,7 +163,7 @@ static void dsos__fprintf(FILE *fp)
                 dso__fprintf(pos, fp);
 }
 
-static struct symbol *vdso__find_symbol(struct dso *dso, __u64 ip)
+static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
 {
         return dso__find_symbol(kernel_dso, ip);
 }
@@ -193,19 +210,19 @@ static int strcommon(const char *pathname)
 
 struct map {
         struct list_head node;
-        __u64    start;
-        __u64    end;
-        __u64    pgoff;
-        __u64    (*map_ip)(struct map *, __u64);
+        u64      start;
+        u64      end;
+        u64      pgoff;
+        u64      (*map_ip)(struct map *, u64);
         struct dso       *dso;
 };
 
-static __u64 map__map_ip(struct map *map, __u64 ip)
+static u64 map__map_ip(struct map *map, u64 ip)
 {
         return ip - map->start + map->pgoff;
 }
 
-static __u64 vdso__map_ip(struct map *map, __u64 ip)
+static u64 vdso__map_ip(struct map *map, u64 ip)
 {
         return ip;
 }
@@ -412,7 +429,7 @@ static int thread__fork(struct thread *self, struct thread *parent)
         return 0;
 }
 
-static struct map *thread__find_map(struct thread *self, __u64 ip)
+static struct map *thread__find_map(struct thread *self, u64 ip)
 {
         struct map *pos;
 
@@ -453,10 +470,11 @@ struct hist_entry {
         struct map       *map;
         struct dso       *dso;
         struct symbol    *sym;
-        __u64            ip;
+        struct symbol    *parent;
+        u64              ip;
         char             level;
 
-        __u64            count;
+        u64              count;
 };
 
 /*
@@ -473,6 +491,16 @@ struct sort_entry {
         size_t  (*print)(FILE *fp, struct hist_entry *);
 };
 
+static int64_t cmp_null(void *l, void *r)
+{
+        if (!l && !r)
+                return 0;
+        else if (!l)
+                return -1;
+        else
+                return 1;
+}
+
 /* --sort pid */
 
 static int64_t
@@ -507,14 +535,8 @@ sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
         char *comm_l = left->thread->comm;
         char *comm_r = right->thread->comm;
 
-        if (!comm_l || !comm_r) {
-                if (!comm_l && !comm_r)
-                        return 0;
-                else if (!comm_l)
-                        return -1;
-                else
-                        return 1;
-        }
+        if (!comm_l || !comm_r)
+                return cmp_null(comm_l, comm_r);
 
         return strcmp(comm_l, comm_r);
 }
@@ -540,14 +562,8 @@ sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
         struct dso *dso_l = left->dso;
         struct dso *dso_r = right->dso;
 
-        if (!dso_l || !dso_r) {
-                if (!dso_l && !dso_r)
-                        return 0;
-                else if (!dso_l)
-                        return -1;
-                else
-                        return 1;
-        }
+        if (!dso_l || !dso_r)
+                return cmp_null(dso_l, dso_r);
 
         return strcmp(dso_l->name, dso_r->name);
 }
@@ -558,7 +574,7 @@ sort__dso_print(FILE *fp, struct hist_entry *self)
         if (self->dso)
                 return fprintf(fp, "%-25s", self->dso->name);
 
-        return fprintf(fp, "%016llx         ", (__u64)self->ip);
+        return fprintf(fp, "%016llx         ", (u64)self->ip);
 }
 
 static struct sort_entry sort_dso = {
@@ -572,7 +588,7 @@ static struct sort_entry sort_dso = {
 static int64_t
 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 {
-        __u64 ip_l, ip_r;
+        u64 ip_l, ip_r;
 
         if (left->sym == right->sym)
                 return 0;
@@ -589,13 +605,13 @@ sort__sym_print(FILE *fp, struct hist_entry *self)
         size_t ret = 0;
 
         if (verbose)
-                ret += fprintf(fp, "%#018llx  ", (__u64)self->ip);
+                ret += fprintf(fp, "%#018llx  ", (u64)self->ip);
 
         if (self->sym) {
                 ret += fprintf(fp, "[%c] %s",
                         self->dso == kernel_dso ? 'k' : '.', self->sym->name);
         } else {
-                ret += fprintf(fp, "%#016llx", (__u64)self->ip);
+                ret += fprintf(fp, "%#016llx", (u64)self->ip);
         }
 
         return ret;
@@ -607,7 +623,38 @@ static struct sort_entry sort_sym = {
         .print  = sort__sym_print,
 };
 
+/* --sort parent */
+
+static int64_t
+sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+        struct symbol *sym_l = left->parent;
+        struct symbol *sym_r = right->parent;
+
+        if (!sym_l || !sym_r)
+                return cmp_null(sym_l, sym_r);
+
+        return strcmp(sym_l->name, sym_r->name);
+}
+
+static size_t
+sort__parent_print(FILE *fp, struct hist_entry *self)
+{
+        size_t ret = 0;
+
+        ret += fprintf(fp, "%-20s", self->parent ? self->parent->name : "[other]");
+
+        return ret;
+}
+
+static struct sort_entry sort_parent = {
+        .header = "Parent symbol       ",
+        .cmp    = sort__parent_cmp,
+        .print  = sort__parent_print,
+};
+
 static int sort__need_collapse = 0;
+static int sort__has_parent = 0;
 
 struct sort_dimension {
         char                    *name;
@@ -620,6 +667,7 @@ static struct sort_dimension sort_dimensions[] = {
         { .name = "comm",       .entry = &sort_comm,    },
         { .name = "dso",        .entry = &sort_dso,     },
         { .name = "symbol",     .entry = &sort_sym,     },
+        { .name = "parent",     .entry = &sort_parent,  },
 };
 
 static LIST_HEAD(hist_entry__sort_list);
@@ -640,6 +688,19 @@ static int sort_dimension__add(char *tok)
                 if (sd->entry->collapse)
                         sort__need_collapse = 1;
 
+                if (sd->entry == &sort_parent) {
+                        int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
+                        if (ret) {
+                                char err[BUFSIZ];
+
+                                regerror(ret, &parent_regex, err, sizeof(err));
+                                fprintf(stderr, "Invalid regex: %s\n%s",
+                                        parent_pattern, err);
+                                exit(-1);
+                        }
+                        sort__has_parent = 1;
+                }
+
                 list_add_tail(&sd->entry->list, &hist_entry__sort_list);
                 sd->taken = 1;
 
@@ -684,11 +745,14 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
 }
 
 static size_t
-hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples)
+hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
 {
         struct sort_entry *se;
         size_t ret;
 
+        if (exclude_other && !self->parent)
+                return 0;
+
         if (total_samples) {
                 double percent = self->count * 100.0 / total_samples;
                 char *color = PERF_COLOR_NORMAL;
@@ -711,6 +775,9 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples)
                 ret = fprintf(fp, "%12Ld ", self->count);
 
         list_for_each_entry(se, &hist_entry__sort_list, list) {
+                if (exclude_other && (se == &sort_parent))
+                        continue;
+
                 fprintf(fp, "  ");
                 ret += se->print(fp, self);
         }
@@ -721,12 +788,72 @@ hist_entry__fprintf(FILE *fp, struct hist_entry *self, __u64 total_samples)
 }
 
 /*
+ *
+ */
+
+static struct symbol *
+resolve_symbol(struct thread *thread, struct map **mapp,
+               struct dso **dsop, u64 *ipp)
+{
+        struct dso *dso = dsop ? *dsop : NULL;
+        struct map *map = mapp ? *mapp : NULL;
+        uint64_t ip = *ipp;
+
+        if (!thread)
+                return NULL;
+
+        if (dso)
+                goto got_dso;
+
+        if (map)
+                goto got_map;
+
+        map = thread__find_map(thread, ip);
+        if (map != NULL) {
+                if (mapp)
+                        *mapp = map;
+got_map:
+                ip = map->map_ip(map, ip);
+                *ipp  = ip;
+
+                dso = map->dso;
+        } else {
+                /*
+                 * If this is outside of all known maps,
+                 * and is a negative address, try to look it
+                 * up in the kernel dso, as it might be a
+                 * vsyscall (which executes in user-mode):
+                 */
+                if ((long long)ip < 0)
+                dso = kernel_dso;
+        }
+        dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
+
+        if (dsop)
+                *dsop = dso;
+
+        if (!dso)
+                return NULL;
+got_dso:
+        return dso->find_symbol(dso, ip);
+}
+
+static int call__match(struct symbol *sym)
+{
+        if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
+                return 1;
+
+        return 0;
+}
+
+/*
  * collect histogram counts
  */
 
 static int
 hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
-                struct symbol *sym, __u64 ip, char level, __u64 count)
+                struct symbol *sym, u64 ip, struct ip_callchain *chain,
+                char level, u64 count)
 {
         struct rb_node **p = &hist.rb_node;
         struct rb_node *parent = NULL;
@@ -739,9 +866,41 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
                 .ip     = ip,
                 .level  = level,
                 .count  = count,
+                .parent = NULL,
         };
         int cmp;
 
+        if (sort__has_parent && chain) {
+                u64 context = PERF_CONTEXT_MAX;
+                int i;
+
+                for (i = 0; i < chain->nr; i++) {
+                        u64 ip = chain->ips[i];
+                        struct dso *dso = NULL;
+                        struct symbol *sym;
+
+                        if (ip >= PERF_CONTEXT_MAX) {
+                                context = ip;
+                                continue;
+                        }
+
+                        switch (context) {
+                        case PERF_CONTEXT_KERNEL:
+                                dso = kernel_dso;
+                                break;
+                        default:
+                                break;
+                        }
+
+                        sym = resolve_symbol(thread, NULL, &dso, &ip);
+
+                        if (sym && call__match(sym)) {
+                                entry.parent = sym;
+                                break;
+                        }
+                }
+        }
+
         while (*p != NULL) {
                 parent = *p;
                 he = rb_entry(parent, struct hist_entry, rb_node);
@@ -873,7 +1032,7 @@ static void output__resort(void)
         }
 }
 
-static size_t output__fprintf(FILE *fp, __u64 total_samples)
+static size_t output__fprintf(FILE *fp, u64 total_samples)
 {
         struct hist_entry *pos;
         struct sort_entry *se;
@@ -882,18 +1041,24 @@ static size_t output__fprintf(FILE *fp, __u64 total_samples)
 
         fprintf(fp, "\n");
         fprintf(fp, "#\n");
-        fprintf(fp, "# (%Ld samples)\n", (__u64)total_samples);
+        fprintf(fp, "# (%Ld samples)\n", (u64)total_samples);
         fprintf(fp, "#\n");
 
         fprintf(fp, "# Overhead");
-        list_for_each_entry(se, &hist_entry__sort_list, list)
+        list_for_each_entry(se, &hist_entry__sort_list, list) {
+                if (exclude_other && (se == &sort_parent))
+                        continue;
                 fprintf(fp, "  %s", se->header);
+        }
         fprintf(fp, "\n");
 
         fprintf(fp, "# ........");
         list_for_each_entry(se, &hist_entry__sort_list, list) {
                 int i;
 
+                if (exclude_other && (se == &sort_parent))
+                        continue;
+
                 fprintf(fp, "  ");
                 for (i = 0; i < strlen(se->header); i++)
                         fprintf(fp, ".");
@@ -907,7 +1072,8 @@ static size_t output__fprintf(FILE *fp, __u64 total_samples)
                 ret += hist_entry__fprintf(fp, pos, total_samples);
         }
 
-        if (!strcmp(sort_order, default_sort_order)) {
+        if (sort_order == default_sort_order &&
+                        parent_pattern == default_parent_pattern) {
                 fprintf(fp, "#\n");
                 fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n");
                 fprintf(fp, "#\n");
@@ -932,7 +1098,21 @@ static unsigned long total = 0,
                      total_mmap = 0,
                      total_comm = 0,
                      total_fork = 0,
-                     total_unknown = 0;
+                     total_unknown = 0,
+                     total_lost = 0;
+
+static int validate_chain(struct ip_callchain *chain, event_t *event)
+{
+        unsigned int chain_size;
+
+        chain_size = event->header.size;
+        chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event;
+
+        if (chain->nr*sizeof(u64) > chain_size)
+                return -1;
+
+        return 0;
+}
 
 static int
 process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
@@ -941,12 +1121,16 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
         int show = 0;
         struct dso *dso = NULL;
         struct thread *thread = threads__findnew(event->ip.pid);
-        __u64 ip = event->ip.ip;
-        __u64 period = 1;
+        u64 ip = event->ip.ip;
+        u64 period = 1;
         struct map *map = NULL;
+        void *more_data = event->ip.__more_data;
+        struct ip_callchain *chain = NULL;
 
-        if (event->header.type & PERF_SAMPLE_PERIOD)
-                period = event->ip.period;
+        if (event->header.type & PERF_SAMPLE_PERIOD) {
+                period = *(u64 *)more_data;
+                more_data += sizeof(u64);
+        }
 
         dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n",
                 (void *)(offset + head),
@@ -956,10 +1140,28 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
                 (void *)(long)ip,
                 (long long)period);
 
+        if (event->header.type & PERF_SAMPLE_CALLCHAIN) {
+                int i;
+
+                chain = (void *)more_data;
+
+                dprintf("... chain: nr:%Lu\n", chain->nr);
+
+                if (validate_chain(chain, event) < 0) {
+                        eprintf("call-chain problem with event, skipping it.\n");
+                        return 0;
+                }
+
+                if (dump_trace) {
+                        for (i = 0; i < chain->nr; i++)
+                                dprintf("..... %2d: %016Lx\n", i, chain->ips[i]);
+                }
+        }
+
         dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
 
         if (thread == NULL) {
-                fprintf(stderr, "problem processing %d event, skipping it.\n",
+                eprintf("problem processing %d event, skipping it.\n",
                         event->header.type);
                 return -1;
         }
@@ -977,22 +1179,6 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
                 show = SHOW_USER;
                 level = '.';
 
-                map = thread__find_map(thread, ip);
-                if (map != NULL) {
-                        ip = map->map_ip(map, ip);
-                        dso = map->dso;
-                } else {
-                        /*
-                         * If this is outside of all known maps,
-                         * and is a negative address, try to look it
-                         * up in the kernel dso, as it might be a
-                         * vsyscall (which executes in user-mode):
-                         */
-                        if ((long long)ip < 0)
-                                dso = kernel_dso;
-                }
-                dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
-
         } else {
                 show = SHOW_HV;
                 level = 'H';
@@ -1000,14 +1186,10 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
         }
 
         if (show & show_mask) {
-                struct symbol *sym = NULL;
-
-                if (dso)
-                        sym = dso->find_symbol(dso, ip);
+                struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip);
 
-                if (hist_entry__add(thread, map, dso, sym, ip, level, period)) {
-                        fprintf(stderr,
-                "problem incrementing symbol count, skipping event\n");
+                if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) {
+                        eprintf("problem incrementing symbol count, skipping event\n");
                         return -1;
                 }
         }
@@ -1096,8 +1278,60 @@ process_period_event(event_t *event, unsigned long offset, unsigned long head)
 }
 
 static int
+process_lost_event(event_t *event, unsigned long offset, unsigned long head)
+{
+        dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
+                (void *)(offset + head),
+                (void *)(long)(event->header.size),
+                event->lost.id,
+                event->lost.lost);
+
+        total_lost += event->lost.lost;
+
+        return 0;
+}
+
+static void trace_event(event_t *event)
+{
+        unsigned char *raw_event = (void *)event;
+        char *color = PERF_COLOR_BLUE;
+        int i, j;
+
+        if (!dump_trace)
+                return;
+
+        dprintf(".");
+        cdprintf("\n. ... raw event: size %d bytes\n", event->header.size);
+
+        for (i = 0; i < event->header.size; i++) {
+                if ((i & 15) == 0) {
+                        dprintf(".");
+                        cdprintf("  %04x: ", i);
+                }
+
+                cdprintf(" %02x", raw_event[i]);
+
+                if (((i & 15) == 15) || i == event->header.size-1) {
+                        cdprintf("  ");
+                        for (j = 0; j < 15-(i & 15); j++)
+                                cdprintf("   ");
+                        for (j = 0; j < (i & 15); j++) {
+                                if (isprint(raw_event[i-15+j]))
+                                        cdprintf("%c", raw_event[i-15+j]);
+                                else
+                                        cdprintf(".");
+                        }
+                        cdprintf("\n");
+                }
+        }
+        dprintf(".\n");
+}
+
+static int
 process_event(event_t *event, unsigned long offset, unsigned long head)
 {
+        trace_event(event);
+
         if (event->header.misc & PERF_EVENT_MISC_OVERFLOW)
                 return process_overflow_event(event, offset, head);
 
@@ -1113,6 +1347,10 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
 
         case PERF_EVENT_PERIOD:
                 return process_period_event(event, offset, head);
+
+        case PERF_EVENT_LOST:
+                return process_lost_event(event, offset, head);
+
         /*
          * We dont process them right now but they are fine:
          */
@@ -1128,11 +1366,13 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
         return 0;
 }
 
+static struct perf_file_header          file_header;
+
 static int __cmd_report(void)
 {
         int ret, rc = EXIT_FAILURE;
         unsigned long offset = 0;
-        unsigned long head = 0;
+        unsigned long head = sizeof(file_header);
         struct stat stat;
         event_t *event;
         uint32_t size;
@@ -1160,6 +1400,17 @@ static int __cmd_report(void)
                 exit(0);
         }
 
+        if (read(input, &file_header, sizeof(file_header)) == -1) {
+                perror("failed to read file headers");
+                exit(-1);
+        }
+
+        if (sort__has_parent &&
+            !(file_header.sample_type & PERF_SAMPLE_CALLCHAIN)) {
+                fprintf(stderr, "selected --sort parent, but no callchain data\n");
+                exit(-1);
+        }
+
         if (load_kernel() < 0) {
                 perror("failed to load kernel symbols");
                 return EXIT_FAILURE;
@@ -1204,7 +1455,7 @@ more:
 
         size = event->header.size;
 
-        dprintf("%p [%p]: event: %d\n",
+        dprintf("\n%p [%p]: event: %d\n",
                         (void *)(offset + head),
                         (void *)(long)event->header.size,
                         event->header.type);
@@ -1231,9 +1482,13 @@ more:
 
         head += size;
 
+        if (offset + head >= sizeof(file_header) + file_header.data_size)
+                goto done;
+
         if (offset + head < stat.st_size)
                 goto more;
 
+done:
         rc = EXIT_SUCCESS;
         close(input);
 
@@ -1241,6 +1496,7 @@ more:
         dprintf("    mmap events: %10ld\n", total_mmap);
         dprintf("    comm events: %10ld\n", total_comm);
         dprintf("    fork events: %10ld\n", total_fork);
+        dprintf("    lost events: %10ld\n", total_lost);
         dprintf(" unknown events: %10ld\n", total_unknown);
 
         if (dump_trace)
@@ -1273,9 +1529,13 @@ static const struct option options[] = {
                     "dump raw trace in ASCII"),
         OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
         OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
-                   "sort by key(s): pid, comm, dso, symbol. Default: pid,symbol"),
+                   "sort by key(s): pid, comm, dso, symbol, parent"),
         OPT_BOOLEAN('P', "full-paths", &full_paths,
                     "Don't shorten the pathnames taking into account the cwd"),
+        OPT_STRING('p', "parent", &parent_pattern, "regex",
+                   "regex filter to identify parent, see: '--sort parent'"),
+        OPT_BOOLEAN('x', "exclude-other", &exclude_other,
+                    "Only display entries with parent-match"),
         OPT_END()
 };
 
@@ -1304,6 +1564,11 @@ int cmd_report(int argc, const char **argv, const char *prefix)
 
         setup_sorting();
 
+        if (parent_pattern != default_parent_pattern)
+                sort_dimension__add("parent");
+        else
+                exclude_other = 0;
+
         /*
          * Any (unrecognized) arguments left?
          */
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index c43e4a97dc42..6d3eeac1ea25 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -43,6 +43,7 @@
 #include "util/parse-events.h"
 
 #include <sys/prctl.h>
+#include <math.h>
 
 static struct perf_counter_attr default_attrs[MAX_COUNTERS] = {
 
@@ -79,12 +80,34 @@ static const unsigned int default_count[] = {
           10000,
 };
 
-static __u64                    event_res[MAX_COUNTERS][3];
-static __u64                    event_scaled[MAX_COUNTERS];
+#define MAX_RUN 100
 
-static __u64                    runtime_nsecs;
-static __u64                    walltime_nsecs;
-static __u64                    runtime_cycles;
+static int                      run_count               =  1;
+static int                      run_idx                 =  0;
+
+static u64                      event_res[MAX_RUN][MAX_COUNTERS][3];
+static u64                      event_scaled[MAX_RUN][MAX_COUNTERS];
+
+//static u64                    event_hist[MAX_RUN][MAX_COUNTERS][3];
+
+
+static u64                      runtime_nsecs[MAX_RUN];
+static u64                      walltime_nsecs[MAX_RUN];
+static u64                      runtime_cycles[MAX_RUN];
+
+static u64                      event_res_avg[MAX_COUNTERS][3];
+static u64                      event_res_noise[MAX_COUNTERS][3];
+
+static u64                      event_scaled_avg[MAX_COUNTERS];
+
+static u64                      runtime_nsecs_avg;
+static u64                      runtime_nsecs_noise;
+
+static u64                      walltime_nsecs_avg;
+static u64                      walltime_nsecs_noise;
+
+static u64                      runtime_cycles_avg;
+static u64                      runtime_cycles_noise;
 
 static void create_perf_stat_counter(int counter)
 {
@@ -135,12 +158,12 @@ static inline int nsec_counter(int counter)
  */
 static void read_counter(int counter)
 {
-        __u64 *count, single_count[3];
+        u64 *count, single_count[3];
         ssize_t res;
         int cpu, nv;
         int scaled;
 
-        count = event_res[counter];
+        count = event_res[run_idx][counter];
 
         count[0] = count[1] = count[2] = 0;
 
@@ -149,8 +172,10 @@ static void read_counter(int counter)
                 if (fd[cpu][counter] < 0)
                         continue;
 
-                res = read(fd[cpu][counter], single_count, nv * sizeof(__u64));
-                assert(res == nv * sizeof(__u64));
+                res = read(fd[cpu][counter], single_count, nv * sizeof(u64));
+                assert(res == nv * sizeof(u64));
+                close(fd[cpu][counter]);
+                fd[cpu][counter] = -1;
 
                 count[0] += single_count[0];
                 if (scale) {
@@ -162,13 +187,13 @@ static void read_counter(int counter)
         scaled = 0;
         if (scale) {
                 if (count[2] == 0) {
-                        event_scaled[counter] = -1;
+                        event_scaled[run_idx][counter] = -1;
                         count[0] = 0;
                         return;
                 }
 
                 if (count[2] < count[1]) {
-                        event_scaled[counter] = 1;
+                        event_scaled[run_idx][counter] = 1;
                         count[0] = (unsigned long long)
                                 ((double)count[0] * count[1] / count[2] + 0.5);
                 }
@@ -178,10 +203,94 @@ static void read_counter(int counter)
          */
         if (attrs[counter].type == PERF_TYPE_SOFTWARE &&
                 attrs[counter].config == PERF_COUNT_SW_TASK_CLOCK)
-                runtime_nsecs = count[0];
+                runtime_nsecs[run_idx] = count[0];
         if (attrs[counter].type == PERF_TYPE_HARDWARE &&
                 attrs[counter].config == PERF_COUNT_HW_CPU_CYCLES)
-                runtime_cycles = count[0];
+                runtime_cycles[run_idx] = count[0];
+}
+
+static int run_perf_stat(int argc, const char **argv)
+{
+        unsigned long long t0, t1;
+        int status = 0;
+        int counter;
+        int pid;
+
+        if (!system_wide)
+                nr_cpus = 1;
+
+        for (counter = 0; counter < nr_counters; counter++)
+                create_perf_stat_counter(counter);
+
+        /*
+         * Enable counters and exec the command:
+         */
+        t0 = rdclock();
+        prctl(PR_TASK_PERF_COUNTERS_ENABLE);
+
+        if ((pid = fork()) < 0)
+                perror("failed to fork");
+
+        if (!pid) {
+                if (execvp(argv[0], (char **)argv)) {
+                        perror(argv[0]);
+                        exit(-1);
+                }
+        }
+
+        wait(&status);
+
+        prctl(PR_TASK_PERF_COUNTERS_DISABLE);
+        t1 = rdclock();
+
+        walltime_nsecs[run_idx] = t1 - t0;
+
+        for (counter = 0; counter < nr_counters; counter++)
+                read_counter(counter);
+
+        return WEXITSTATUS(status);
+}
+
+static void print_noise(u64 *count, u64 *noise)
+{
+        if (run_count > 1)
+                fprintf(stderr, "   ( +- %7.3f%% )",
+                        (double)noise[0]/(count[0]+1)*100.0);
+}
+
+static void nsec_printout(int counter, u64 *count, u64 *noise)
+{
+        double msecs = (double)count[0] / 1000000;
+
+        fprintf(stderr, " %14.6f  %-20s", msecs, event_name(counter));
+
+        if (attrs[counter].type == PERF_TYPE_SOFTWARE &&
+                attrs[counter].config == PERF_COUNT_SW_TASK_CLOCK) {
+
+                if (walltime_nsecs_avg)
+                        fprintf(stderr, " # %10.3f CPUs ",
+                                (double)count[0] / (double)walltime_nsecs_avg);
+        }
+        print_noise(count, noise);
+}
+
+static void abs_printout(int counter, u64 *count, u64 *noise)
+{
+        fprintf(stderr, " %14Ld  %-20s", count[0], event_name(counter));
+
+        if (runtime_cycles_avg &&
+                attrs[counter].type == PERF_TYPE_HARDWARE &&
+                        attrs[counter].config == PERF_COUNT_HW_INSTRUCTIONS) {
+
+                fprintf(stderr, " # %10.3f IPC  ",
+                        (double)count[0] / (double)runtime_cycles_avg);
+        } else {
+                if (runtime_nsecs_avg) {
+                        fprintf(stderr, " # %10.3f M/sec",
+                                (double)count[0]/runtime_nsecs_avg*1000.0);
+                }
+        }
+        print_noise(count, noise);
 }
 
 /*
@@ -189,11 +298,12 @@ static void read_counter(int counter)
  */
 static void print_counter(int counter)
 {
-        __u64 *count;
+        u64 *count, *noise;
         int scaled;
 
-        count = event_res[counter];
-        scaled = event_scaled[counter];
+        count = event_res_avg[counter];
+        noise = event_res_noise[counter];
+        scaled = event_scaled_avg[counter];
 
         if (scaled == -1) {
                 fprintf(stderr, " %14s  %-20s\n",
@@ -201,75 +311,107 @@ static void print_counter(int counter)
                 return;
         }
 
-        if (nsec_counter(counter)) {
-                double msecs = (double)count[0] / 1000000;
-
-                fprintf(stderr, " %14.6f  %-20s",
-                        msecs, event_name(counter));
-                if (attrs[counter].type == PERF_TYPE_SOFTWARE &&
-                        attrs[counter].config == PERF_COUNT_SW_TASK_CLOCK) {
+        if (nsec_counter(counter))
+                nsec_printout(counter, count, noise);
+        else
+                abs_printout(counter, count, noise);
 
-                        if (walltime_nsecs)
-                                fprintf(stderr, " # %11.3f CPU utilization factor",
-                                        (double)count[0] / (double)walltime_nsecs);
-                }
-        } else {
-                fprintf(stderr, " %14Ld  %-20s",
-                        count[0], event_name(counter));
-                if (runtime_nsecs)
-                        fprintf(stderr, " # %11.3f M/sec",
-                                (double)count[0]/runtime_nsecs*1000.0);
-                if (runtime_cycles &&
-                        attrs[counter].type == PERF_TYPE_HARDWARE &&
-                                attrs[counter].config == PERF_COUNT_HW_INSTRUCTIONS) {
-
-                        fprintf(stderr, " # %1.3f per cycle",
-                                (double)count[0] / (double)runtime_cycles);
-                }
-        }
         if (scaled)
                 fprintf(stderr, "  (scaled from %.2f%%)",
                         (double) count[2] / count[1] * 100);
+
         fprintf(stderr, "\n");
 }
 
-static int do_perf_stat(int argc, const char **argv)
+/*
+ * normalize_noise noise values down to stddev:
+ */
+static void normalize_noise(u64 *val)
 {
-        unsigned long long t0, t1;
-        int counter;
-        int status;
-        int pid;
-        int i;
+        double res;
 
-        if (!system_wide)
-                nr_cpus = 1;
+        res = (double)*val / (run_count * sqrt((double)run_count));
 
-        for (counter = 0; counter < nr_counters; counter++)
-                create_perf_stat_counter(counter);
+        *val = (u64)res;
+}
 
-        /*
-         * Enable counters and exec the command:
-         */
-        t0 = rdclock();
-        prctl(PR_TASK_PERF_COUNTERS_ENABLE);
+static void update_avg(const char *name, int idx, u64 *avg, u64 *val)
+{
+        *avg += *val;
 
-        if ((pid = fork()) < 0)
-                perror("failed to fork");
+        if (verbose > 1)
+                fprintf(stderr, "debug: %20s[%d]: %Ld\n", name, idx, *val);
+}
+/*
+ * Calculate the averages and noises:
+ */
+static void calc_avg(void)
+{
+        int i, j;
+
+        if (verbose > 1)
+                fprintf(stderr, "\n");
+
+        for (i = 0; i < run_count; i++) {
+                update_avg("runtime", 0, &runtime_nsecs_avg, runtime_nsecs + i);
+                update_avg("walltime", 0, &walltime_nsecs_avg, walltime_nsecs + i);
+                update_avg("runtime_cycles", 0, &runtime_cycles_avg, runtime_cycles + i);
+
+                for (j = 0; j < nr_counters; j++) {
+                        update_avg("counter/0", j,
+                                event_res_avg[j]+0, event_res[i][j]+0);
+                        update_avg("counter/1", j,
+                                event_res_avg[j]+1, event_res[i][j]+1);
+                        update_avg("counter/2", j,
+                                event_res_avg[j]+2, event_res[i][j]+2);
+                        update_avg("scaled", j,
+                                event_scaled_avg + j, event_scaled[i]+j);
+                }
+        }
+        runtime_nsecs_avg /= run_count;
+        walltime_nsecs_avg /= run_count;
+        runtime_cycles_avg /= run_count;
+
+        for (j = 0; j < nr_counters; j++) {
+                event_res_avg[j][0] /= run_count;
+                event_res_avg[j][1] /= run_count;
+                event_res_avg[j][2] /= run_count;
+        }
 
-        if (!pid) {
-                if (execvp(argv[0], (char **)argv)) {
-                        perror(argv[0]);
-                        exit(-1);
+        for (i = 0; i < run_count; i++) {
+                runtime_nsecs_noise +=
+                        abs((s64)(runtime_nsecs[i] - runtime_nsecs_avg));
+                walltime_nsecs_noise +=
+                        abs((s64)(walltime_nsecs[i] - walltime_nsecs_avg));
+                runtime_cycles_noise +=
+                        abs((s64)(runtime_cycles[i] - runtime_cycles_avg));
+
+                for (j = 0; j < nr_counters; j++) {
+                        event_res_noise[j][0] +=
+                                abs((s64)(event_res[i][j][0] - event_res_avg[j][0]));
+                        event_res_noise[j][1] +=
+                                abs((s64)(event_res[i][j][1] - event_res_avg[j][1]));
+                        event_res_noise[j][2] +=
+                                abs((s64)(event_res[i][j][2] - event_res_avg[j][2]));
                 }
         }
 
-        while (wait(&status) >= 0)
-                ;
+        normalize_noise(&runtime_nsecs_noise);
+        normalize_noise(&walltime_nsecs_noise);
+        normalize_noise(&runtime_cycles_noise);
 
-        prctl(PR_TASK_PERF_COUNTERS_DISABLE);
-        t1 = rdclock();
+        for (j = 0; j < nr_counters; j++) {
+                normalize_noise(&event_res_noise[j][0]);
+                normalize_noise(&event_res_noise[j][1]);
+                normalize_noise(&event_res_noise[j][2]);
+        }
+}
 
-        walltime_nsecs = t1 - t0;
+static void print_stat(int argc, const char **argv)
+{
+        int i, counter;
+
+        calc_avg();
 
         fflush(stdout);
 
@@ -279,22 +421,19 @@ static int do_perf_stat(int argc, const char **argv)
         for (i = 1; i < argc; i++)
                 fprintf(stderr, " %s", argv[i]);
 
-        fprintf(stderr, "\':\n");
-        fprintf(stderr, "\n");
-
-        for (counter = 0; counter < nr_counters; counter++)
-                read_counter(counter);
+        fprintf(stderr, "\'");
+        if (run_count > 1)
+                fprintf(stderr, " (%d runs)", run_count);
+        fprintf(stderr, ":\n\n");
 
         for (counter = 0; counter < nr_counters; counter++)
                 print_counter(counter);
 
 
         fprintf(stderr, "\n");
-        fprintf(stderr, " Wall-clock time elapsed: %12.6f msecs\n",
-                        (double)(t1-t0)/1e6);
+        fprintf(stderr, " %14.9f  seconds time elapsed.\n",
+                        (double)walltime_nsecs_avg/1e9);
         fprintf(stderr, "\n");
-
-        return 0;
 }
 
 static volatile int signr = -1;
@@ -332,11 +471,15 @@ static const struct option options[] = {
                             "scale/normalize counters"),
         OPT_BOOLEAN('v', "verbose", &verbose,
                     "be more verbose (show counter open errors, etc)"),
+        OPT_INTEGER('r', "repeat", &run_count,
+                    "repeat command and print average + stddev (max: 100)"),
         OPT_END()
 };
 
 int cmd_stat(int argc, const char **argv, const char *prefix)
 {
+        int status;
+
         page_size = sysconf(_SC_PAGE_SIZE);
 
         memcpy(attrs, default_attrs, sizeof(attrs));
@@ -344,6 +487,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix)
         argc = parse_options(argc, argv, options, stat_usage, 0);
         if (!argc)
                 usage_with_options(stat_usage, options);
+        if (run_count <= 0 || run_count > MAX_RUN)
+                usage_with_options(stat_usage, options);
 
         if (!nr_counters)
                 nr_counters = 8;
@@ -363,5 +508,14 @@ int cmd_stat(int argc, const char **argv, const char *prefix)
         signal(SIGALRM, skip_signal);
         signal(SIGABRT, skip_signal);
 
-        return do_perf_stat(argc, argv);
+        status = 0;
+        for (run_idx = 0; run_idx < run_count; run_idx++) {
+                if (run_count != 1 && verbose)
+                        fprintf(stderr, "[ perf stat: executing run #%d ... ]\n", run_idx+1);
+                status = run_perf_stat(argc, argv);
+        }
+
+        print_stat(argc, argv);
+
+        return status;
 }
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index fe338d3c5d7e..5352b5e352ed 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -54,7 +54,7 @@ static int			system_wide			=  0;
 
 static int                      default_interval                = 100000;
 
-static __u64                    count_filter                    =  5;
+static u64                      count_filter                    =  5;
 static int                      print_entries                   = 15;
 
 static int                      target_pid                      = -1;
@@ -79,8 +79,8 @@ static int			dump_symtab;
  * Symbols
  */
 
-static __u64                    min_ip;
-static __u64                    max_ip = -1ll;
+static u64                      min_ip;
+static u64                      max_ip = -1ll;
 
 struct sym_entry {
         struct rb_node          rb_node;
@@ -194,7 +194,7 @@ static void print_sym_table(void)
                 100.0 - (100.0*((samples_per_sec-ksamples_per_sec)/samples_per_sec)));
 
         if (nr_counters == 1) {
-                printf("%Ld", attrs[0].sample_period);
+                printf("%Ld", (u64)attrs[0].sample_period);
                 if (freq)
                         printf("Hz ");
                 else
@@ -372,7 +372,7 @@ out_delete_dso:
 /*
  * Binary search in the histogram table and record the hit:
  */
-static void record_ip(__u64 ip, int counter)
+static void record_ip(u64 ip, int counter)
 {
         struct symbol *sym = dso__find_symbol(kernel_dso, ip);
 
@@ -392,7 +392,7 @@ static void record_ip(__u64 ip, int counter)
         samples--;
 }
 
-static void process_event(__u64 ip, int counter)
+static void process_event(u64 ip, int counter)
 {
         samples++;
 
@@ -463,15 +463,15 @@ static void mmap_read_counter(struct mmap_data *md)
         for (; old != head;) {
                 struct ip_event {
                         struct perf_event_header header;
-                        __u64 ip;
-                        __u32 pid, target_pid;
+                        u64 ip;
+                        u32 pid, target_pid;
                 };
                 struct mmap_event {
                         struct perf_event_header header;
-                        __u32 pid, target_pid;
-                        __u64 start;
-                        __u64 len;
-                        __u64 pgoff;
+                        u32 pid, target_pid;
+                        u64 start;
+                        u64 len;
+                        u64 pgoff;
                         char filename[PATH_MAX];
                 };
 
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 87a1aca4a424..bccb529dac08 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -19,6 +19,7 @@
 #include <sys/syscall.h>
 
 #include "../../include/linux/perf_counter.h"
+#include "types.h"
 
 /*
  * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
@@ -65,4 +66,10 @@ sys_perf_counter_open(struct perf_counter_attr *attr,
 #define MAX_COUNTERS                    256
 #define MAX_NR_CPUS                     256
 
+struct perf_file_header {
+        u64     version;
+        u64     sample_type;
+        u64     data_size;
+};
+
 #endif
diff --git a/tools/perf/types.h b/tools/perf/types.h
new file mode 100644
index 000000000000..5e75f9005940
--- /dev/null
+++ b/tools/perf/types.h
@@ -0,0 +1,17 @@
+#ifndef _PERF_TYPES_H
+#define _PERF_TYPES_H
+
+/*
+ * We define u64 as unsigned long long for every architecture
+ * so that we can print it with %Lx without getting warnings.
+ */
+typedef unsigned long long u64;
+typedef signed long long   s64;
+typedef unsigned int       u32;
+typedef signed int         s32;
+typedef unsigned short     u16;
+typedef signed short       s16;
+typedef unsigned char      u8;
+typedef signed char        s8;
+
+#endif /* _PERF_TYPES_H */
diff --git a/tools/perf/util/ctype.c b/tools/perf/util/ctype.c
index b90ec004f29c..0b791bd346bc 100644
--- a/tools/perf/util/ctype.c
+++ b/tools/perf/util/ctype.c
@@ -11,16 +11,21 @@ enum {
         D = GIT_DIGIT,
         G = GIT_GLOB_SPECIAL,   /* *, ?, [, \\ */
         R = GIT_REGEX_SPECIAL,  /* $, (, ), +, ., ^, {, | * */
+        P = GIT_PRINT_EXTRA,    /* printable - alpha - digit - glob - regex */
+
+        PS = GIT_SPACE | GIT_PRINT_EXTRA,
 };
 
 unsigned char sane_ctype[256] = {
+/*      0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F                      */
+
         0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0,         /*   0.. 15 */
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,         /*  16.. 31 */
-        S, 0, 0, 0, R, 0, 0, 0, R, R, G, R, 0, 0, R, 0,         /*  32.. 47 */
-        D, D, D, D, D, D, D, D, D, D, 0, 0, 0, 0, 0, G,         /*  48.. 63 */
-        0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  64.. 79 */
-        A, A, A, A, A, A, A, A, A, A, A, G, G, 0, R, 0,         /*  80.. 95 */
-        0, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  96..111 */
-        A, A, A, A, A, A, A, A, A, A, A, R, R, 0, 0, 0,         /* 112..127 */
+        PS,P, P, P, R, P, P, P, R, R, G, R, P, P, R, P,         /*  32.. 47 */
+        D, D, D, D, D, D, D, D, D, D, P, P, P, P, P, G,         /*  48.. 63 */
+        P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  64.. 79 */
+        A, A, A, A, A, A, A, A, A, A, A, G, G, P, R, P,         /*  80.. 95 */
+        P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,         /*  96..111 */
+        A, A, A, A, A, A, A, A, A, A, A, R, R, P, P, 0,         /* 112..127 */
         /* Nothing in the 128.. range */
 };
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 5a72586e1df0..35d04da38d6a 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -13,8 +13,8 @@ int					nr_counters;
 struct perf_counter_attr                attrs[MAX_COUNTERS];
 
 struct event_symbol {
-        __u8    type;
-        __u64   config;
+        u8      type;
+        u64     config;
         char    *symbol;
 };
 
@@ -63,8 +63,8 @@ static char *hw_event_names[] = {
 };
 
 static char *sw_event_names[] = {
-        "cpu-clock-ticks",
-        "task-clock-ticks",
+        "cpu-clock-msecs",
+        "task-clock-msecs",
         "page-faults",
         "context-switches",
         "CPU-migrations",
@@ -96,7 +96,7 @@ static char *hw_cache_result [][MAX_ALIASES] = {
 
 char *event_name(int counter)
 {
-        __u64 config = attrs[counter].config;
+        u64 config = attrs[counter].config;
         int type = attrs[counter].type;
         static char buf[32];
 
@@ -112,7 +112,7 @@ char *event_name(int counter)
                 return "unknown-hardware";
 
         case PERF_TYPE_HW_CACHE: {
-                __u8 cache_type, cache_op, cache_result;
+                u8 cache_type, cache_op, cache_result;
                 static char name[100];
 
                 cache_type   = (config >>  0) & 0xff;
@@ -202,7 +202,7 @@ static int parse_generic_hw_symbols(const char *str, struct perf_counter_attr *a
  */
 static int parse_event_symbols(const char *str, struct perf_counter_attr *attr)
 {
-        __u64 config, id;
+        u64 config, id;
         int type;
         unsigned int i;
         const char *sep, *pstr;
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index ec33c0c7f4e2..c93eca9a7be3 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -15,7 +15,7 @@ static int hex(char ch)
  * While we find nice hex chars, build a long_val.
  * Return number of chars processed.
  */
-int hex2u64(const char *ptr, __u64 *long_val)
+int hex2u64(const char *ptr, u64 *long_val)
 {
         const char *p = ptr;
         *long_val = 0;
diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h
index 72812c1c9a7a..37b03255b425 100644
--- a/tools/perf/util/string.h
+++ b/tools/perf/util/string.h
@@ -1,8 +1,8 @@
 #ifndef _PERF_STRING_H_
 #define _PERF_STRING_H_
 
-#include <linux/types.h>
+#include "../types.h"
 
-int hex2u64(const char *ptr, __u64 *val);
+int hex2u64(const char *ptr, u64 *val);
 
 #endif
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 49a55f813712..86e14375e74e 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -9,9 +9,9 @@
 
 const char *sym_hist_filter;
 
-static struct symbol *symbol__new(__u64 start, __u64 len,
+static struct symbol *symbol__new(u64 start, u64 len,
                                   const char *name, unsigned int priv_size,
-                                  __u64 obj_start, int verbose)
+                                  u64 obj_start, int verbose)
 {
         size_t namelen = strlen(name) + 1;
         struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen);
@@ -21,14 +21,14 @@ static struct symbol *symbol__new(__u64 start, __u64 len,
 
         if (verbose >= 2)
                 printf("new symbol: %016Lx [%08lx]: %s, hist: %p, obj_start: %p\n",
-                        (__u64)start, (unsigned long)len, name, self->hist, (void *)(unsigned long)obj_start);
+                        (u64)start, (unsigned long)len, name, self->hist, (void *)(unsigned long)obj_start);
 
         self->obj_start= obj_start;
         self->hist = NULL;
         self->hist_sum = 0;
 
         if (sym_hist_filter && !strcmp(name, sym_hist_filter))
-                self->hist = calloc(sizeof(__u64), len);
+                self->hist = calloc(sizeof(u64), len);
 
         if (priv_size) {
                 memset(self, 0, priv_size);
@@ -89,7 +89,7 @@ static void dso__insert_symbol(struct dso *self, struct symbol *sym)
 {
         struct rb_node **p = &self->syms.rb_node;
         struct rb_node *parent = NULL;
-        const __u64 ip = sym->start;
+        const u64 ip = sym->start;
         struct symbol *s;
 
         while (*p != NULL) {
@@ -104,7 +104,7 @@ static void dso__insert_symbol(struct dso *self, struct symbol *sym)
         rb_insert_color(&sym->rb_node, &self->syms);
 }
 
-struct symbol *dso__find_symbol(struct dso *self, __u64 ip)
+struct symbol *dso__find_symbol(struct dso *self, u64 ip)
 {
         struct rb_node *n;
 
@@ -151,7 +151,7 @@ static int dso__load_kallsyms(struct dso *self, symbol_filter_t filter, int verb
                 goto out_failure;
 
         while (!feof(file)) {
-                __u64 start;
+                u64 start;
                 struct symbol *sym;
                 int line_len, len;
                 char symbol_type;
@@ -232,7 +232,7 @@ static int dso__load_perf_map(struct dso *self, symbol_filter_t filter, int verb
                 goto out_failure;
 
         while (!feof(file)) {
-                __u64 start, size;
+                u64 start, size;
                 struct symbol *sym;
                 int line_len, len;
 
@@ -353,7 +353,7 @@ static int dso__synthesize_plt_symbols(struct  dso *self, Elf *elf,
 {
         uint32_t nr_rel_entries, idx;
         GElf_Sym sym;
-        __u64 plt_offset;
+        u64 plt_offset;
         GElf_Shdr shdr_plt;
         struct symbol *f;
         GElf_Shdr shdr_rel_plt;
@@ -523,7 +523,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name,
 
         elf_symtab__for_each_symbol(syms, nr_syms, index, sym) {
                 struct symbol *f;
-                __u64 obj_start;
+                u64 obj_start;
 
                 if (!elf_sym__is_function(&sym))
                         continue;
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 0d1292bd8270..ea332e56e458 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -2,16 +2,18 @@
 #define _PERF_SYMBOL_ 1
 
 #include <linux/types.h>
+#include "../types.h"
 #include "list.h"
 #include "rbtree.h"
 
 struct symbol {
         struct rb_node  rb_node;
-        __u64           start;
-        __u64           end;
-        __u64           obj_start;
-        __u64           hist_sum;
-        __u64           *hist;
+        u64             start;
+        u64             end;
+        u64             obj_start;
+        u64             hist_sum;
+        u64             *hist;
+        void            *priv;
         char            name[0];
 };
 
@@ -19,7 +21,7 @@ struct dso {
         struct list_head node;
         struct rb_root   syms;
         unsigned int     sym_priv_size;
-        struct symbol    *(*find_symbol)(struct dso *, __u64 ip);
+        struct symbol    *(*find_symbol)(struct dso *, u64 ip);
         char             name[0];
 };
 
@@ -35,7 +37,7 @@ static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
         return ((void *)sym) - self->sym_priv_size;
 }
 
-struct symbol *dso__find_symbol(struct dso *self, __u64 ip);
+struct symbol *dso__find_symbol(struct dso *self, u64 ip);
 
 int dso__load_kernel(struct dso *self, const char *vmlinux,
                      symbol_filter_t filter, int verbose);
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 76590a16c271..b8cfed776d81 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -100,11 +100,6 @@
 #include <iconv.h>
 #endif
 
-#ifndef NO_OPENSSL
-#include <openssl/ssl.h>
-#include <openssl/err.h>
-#endif
-
 /* On most systems <limits.h> would have given us this, but
  * not on some systems (e.g. GNU/Hurd).
  */
@@ -332,17 +327,20 @@ static inline int has_extension(const char *filename, const char *ext)
 #undef tolower
 #undef toupper
 extern unsigned char sane_ctype[256];
-#define GIT_SPACE 0x01
-#define GIT_DIGIT 0x02
-#define GIT_ALPHA 0x04
-#define GIT_GLOB_SPECIAL 0x08
-#define GIT_REGEX_SPECIAL 0x10
+#define GIT_SPACE               0x01
+#define GIT_DIGIT               0x02
+#define GIT_ALPHA               0x04
+#define GIT_GLOB_SPECIAL        0x08
+#define GIT_REGEX_SPECIAL       0x10
+#define GIT_PRINT_EXTRA         0x20
+#define GIT_PRINT               0x3E
 #define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
 #define isascii(x) (((x) & ~0x7f) == 0)
 #define isspace(x) sane_istest(x,GIT_SPACE)
 #define isdigit(x) sane_istest(x,GIT_DIGIT)
 #define isalpha(x) sane_istest(x,GIT_ALPHA)
 #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
+#define isprint(x) sane_istest(x,GIT_PRINT)
 #define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
 #define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
 #define tolower(x) sane_case((unsigned char)(x), 0x20)