3 files changed, 46 insertions, 17 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 9c6d0ae3708e..f572c90f610e 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -381,12 +381,6 @@ ifndef CC_LD_DYNPATH
         endif
 endif
 
-ifdef ZLIB_PATH
-        BASIC_CFLAGS += -I$(ZLIB_PATH)/include
-        EXTLIBS += -L$(ZLIB_PATH)/$(lib) $(CC_LD_DYNPATH)$(ZLIB_PATH)/$(lib)
-endif
-EXTLIBS += -lz
-
 ifdef NEEDS_SOCKET
         EXTLIBS += -lsocket
 endif
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 135b7837e6bf..3f5d8ea05ff0 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -121,6 +121,7 @@ typedef union event_union {
 static LIST_HEAD(dsos);
 static struct dso *kernel_dso;
 static struct dso *vdso;
+static struct dso *hypervisor_dso;
 
 static void dsos__add(struct dso *dso)
 {
@@ -202,6 +203,11 @@ static int load_kernel(void)
 
         dsos__add(vdso);
 
+        hypervisor_dso = dso__new("[hypervisor]", 0);
+        if (!hypervisor_dso)
+                return -1;
+        dsos__add(hypervisor_dso);
+
         return err;
 }
 
@@ -640,7 +646,8 @@ sort__sym_print(FILE *fp, struct hist_entry *self)
 
         if (self->sym) {
                 ret += fprintf(fp, "[%c] %s",
-                        self->dso == kernel_dso ? 'k' : '.', self->sym->name);
+                        self->dso == kernel_dso ? 'k' :
+                        self->dso == hypervisor_dso ? 'h' : '.', self->sym->name);
         } else {
                 ret += fprintf(fp, "%#016llx", (u64)self->ip);
         }
@@ -963,6 +970,9 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
                         }
 
                         switch (context) {
+                        case PERF_CONTEXT_HV:
+                                dso = hypervisor_dso;
+                                break;
                         case PERF_CONTEXT_KERNEL:
                                 dso = kernel_dso;
                                 break;
@@ -1213,6 +1223,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
         struct map *map = NULL;
         void *more_data = event->ip.__more_data;
         struct ip_callchain *chain = NULL;
+        int cpumode;
 
         if (sample_type & PERF_SAMPLE_PERIOD) {
                 period = *(u64 *)more_data;
@@ -1256,7 +1267,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
         if (comm_list && !strlist__has_entry(comm_list, thread->comm))
                 return 0;
 
-        if (event->header.misc & PERF_EVENT_MISC_KERNEL) {
+        cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
+
+        if (cpumode == PERF_EVENT_MISC_KERNEL) {
                 show = SHOW_KERNEL;
                 level = 'k';
 
@@ -1264,7 +1277,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
 
                 dprintf(" ...... dso: %s\n", dso->name);
 
-        } else if (event->header.misc & PERF_EVENT_MISC_USER) {
+        } else if (cpumode == PERF_EVENT_MISC_USER) {
 
                 show = SHOW_USER;
                 level = '.';
@@ -1272,6 +1285,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
         } else {
                 show = SHOW_HV;
                 level = 'H';
+
+                dso = hypervisor_dso;
+
                 dprintf(" ...... dso: [hypervisor]\n");
         }
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index cf0d21f1ae10..0506cd6e04cc 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -286,11 +286,31 @@ static void *display_thread(void *arg)
         return NULL;
 }
 
+/* Tag samples to be skipped. */
+char *skip_symbols[] = {
+        "default_idle",
+        "cpu_idle",
+        "enter_idle",
+        "exit_idle",
+        "mwait_idle",
+        "ppc64_runlatch_off",
+        "pseries_dedicated_idle_sleep",
+        NULL
+};
+
 static int symbol_filter(struct dso *self, struct symbol *sym)
 {
         static int filter_match;
         struct sym_entry *syme;
         const char *name = sym->name;
+        int i;
+
+        /*
+         * ppc64 uses function descriptors and appends a '.' to the
+         * start of every instruction address. Remove it.
+         */
+        if (name[0] == '.')
+                name++;
 
         if (!strcmp(name, "_text") ||
             !strcmp(name, "_etext") ||
@@ -302,13 +322,12 @@ static int symbol_filter(struct dso *self, struct symbol *sym)
                 return 1;
 
         syme = dso__sym_priv(self, sym);
-        /* Tag samples to be skipped. */
-        if (!strcmp("default_idle", name) ||
-            !strcmp("cpu_idle", name) ||
-            !strcmp("enter_idle", name) ||
-            !strcmp("exit_idle", name) ||
-            !strcmp("mwait_idle", name))
-                syme->skip = 1;
+        for (i = 0; skip_symbols[i]; i++) {
+                if (!strcmp(skip_symbols[i], name)) {
+                        syme->skip = 1;
+                        break;
+                }
+        }
 
         if (filter_match == 1) {
                 filter_end = sym->start;
@@ -675,7 +694,7 @@ static const struct option options[] = {
                             "put the counters into a counter group"),
         OPT_STRING('s', "sym-filter", &sym_filter, "pattern",
                     "only display symbols matchig this pattern"),
-        OPT_BOOLEAN('z', "zero", &group,
+        OPT_BOOLEAN('z', "zero", &zero,
                     "zero history across updates"),
         OPT_INTEGER('F', "freq", &freq,
                     "profile at this frequency"),