12 files changed, 93 insertions, 22 deletions

diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c
index eca3d0e49582..d3dfb7936dcd 100644
--- a/tools/perf/bench/mem-memcpy.c
+++ b/tools/perf/bench/mem-memcpy.c
@@ -293,7 +293,7 @@ static u64 do_memcpy_cycle(const struct routine *r, size_t len, bool prefault)
         memcpy_t fn = r->fn.memcpy;
         int i;
 
-        memcpy_alloc_mem(&src, &dst, len);
+        memcpy_alloc_mem(&dst, &src, len);
 
         if (prefault)
                 fn(dst, src, len);
@@ -316,7 +316,7 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t len,
         void *src = NULL, *dst = NULL;
         int i;
 
-        memcpy_alloc_mem(&src, &dst, len);
+        memcpy_alloc_mem(&dst, &src, len);
 
         if (prefault)
                 fn(dst, src, len);
diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index ff95a68741d1..ac8721ffa6c8 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -21,6 +21,10 @@ ifeq ($(RAW_ARCH),x86_64)
   endif
 endif
 
+ifeq ($(RAW_ARCH),sparc64)
+  ARCH ?= sparc
+endif
+
 ARCH ?= $(RAW_ARCH)
 
 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 42ac05aaf8ac..b32ff3372514 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -49,7 +49,7 @@ test-hello.bin:
         $(BUILD)
 
 test-pthread-attr-setaffinity-np.bin:
-        $(BUILD) -Werror -lpthread
+        $(BUILD) -D_GNU_SOURCE -Werror -lpthread
 
 test-stackprotector-all.bin:
         $(BUILD) -Werror -fstack-protector-all
diff --git a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
index 0a0d3ecb4e8a..2b81b72eca23 100644
--- a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
+++ b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
@@ -5,10 +5,11 @@ int main(void)
 {
         int ret = 0;
         pthread_attr_t thread_attr;
+        cpu_set_t cs;
 
         pthread_attr_init(&thread_attr);
         /* don't care abt exact args, just the API itself in libpthread */
-        ret = pthread_attr_setaffinity_np(&thread_attr, 0, NULL);
+        ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs);
 
         return ret;
 }
diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index 47b78b3f0325..6da965bdbc2c 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -25,6 +25,10 @@ static int perf_flag_probe(void)
         if (cpu < 0)
                 cpu = 0;
 
+        /*
+         * Using -1 for the pid is a workaround to avoid gratuitous jump label
+         * changes.
+         */
         while (1) {
                 /* check cloexec flag */
                 fd = sys_perf_event_open(&attr, pid, cpu, -1,
@@ -47,16 +51,24 @@ static int perf_flag_probe(void)
                   err, strerror_r(err, sbuf, sizeof(sbuf)));
 
         /* not supported, confirm error related to PERF_FLAG_FD_CLOEXEC */
-        fd = sys_perf_event_open(&attr, pid, cpu, -1, 0);
+        while (1) {
+                fd = sys_perf_event_open(&attr, pid, cpu, -1, 0);
+                if (fd < 0 && pid == -1 && errno == EACCES) {
+                        pid = 0;
+                        continue;
+                }
+                break;
+        }
         err = errno;
 
+        if (fd >= 0)
+                close(fd);
+
         if (WARN_ONCE(fd < 0 && err != EBUSY,
                       "perf_event_open(..., 0) failed unexpectedly with error %d (%s)\n",
                       err, strerror_r(err, sbuf, sizeof(sbuf))))
                 return -1;
 
-        close(fd);
-
         return 0;
 }
 
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index c94a9e03ecf1..e99a67632831 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -28,7 +28,7 @@ struct perf_mmap {
         int              mask;
         int              refcnt;
         unsigned int     prev;
-        char             event_copy[PERF_SAMPLE_MAX_SIZE];
+        char             event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8)));
 };
 
 struct perf_evlist {
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index b24f9d8727a8..33b7a2aef713 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -11,6 +11,11 @@
 #include <symbol/kallsyms.h>
 #include "debug.h"
 
+#ifndef EM_AARCH64
+#define EM_AARCH64      183  /* ARM 64 bit */
+#endif
+
+
 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 extern char *cplus_demangle(const char *, int);
 
diff --git a/tools/thermal/tmon/.gitignore b/tools/thermal/tmon/.gitignore
new file mode 100644
index 000000000000..06e96be65276
--- /dev/null
+++ b/tools/thermal/tmon/.gitignore
@@ -0,0 +1 @@
+/tmon
diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index e775adcbd29f..0788621c8d76 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -2,8 +2,8 @@ VERSION = 1.0
 
 BINDIR=usr/bin
 WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
-CFLAGS= -O1 ${WARNFLAGS} -fstack-protector
-CC=gcc
+CFLAGS+= -O1 ${WARNFLAGS} -fstack-protector
+CC=$(CROSS_COMPILE)gcc
 
 CFLAGS+=-D VERSION=\"$(VERSION)\"
 LDFLAGS+=
@@ -16,12 +16,21 @@ INSTALL_CONFIGFILE=install -m 644 -p
 CONFIG_FILE=
 CONFIG_PATH=
 
+# Static builds might require -ltinfo, for instance
+ifneq ($(findstring -static, $(LDFLAGS)),)
+STATIC := --static
+endif
+
+TMON_LIBS=-lm -lpthread
+TMON_LIBS += $(shell pkg-config --libs $(STATIC) panelw ncursesw 2> /dev/null || \
+                     pkg-config --libs $(STATIC) panel ncurses 2> /dev/null || \
+                     echo -lpanel -lncurses)
 
 OBJS = tmon.o tui.o sysfs.o pid.o
 OBJS +=
 
 tmon: $(OBJS) Makefile tmon.h
-        $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS)  -o $(TARGET) -lm -lpanel -lncursesw -ltinfo -lpthread
+        $(CC) $(CFLAGS) $(LDFLAGS) $(OBJS)  -o $(TARGET) $(TMON_LIBS)
 
 valgrind: tmon
          sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET)  1> /dev/null
diff --git a/tools/thermal/tmon/tmon.8 b/tools/thermal/tmon/tmon.8
index 0be727cb9892..02d5179803aa 100644
--- a/tools/thermal/tmon/tmon.8
+++ b/tools/thermal/tmon/tmon.8
@@ -55,6 +55,8 @@ The \fB-l --log\fP option write data to /var/tmp/tmon.log
 .PP
 The \fB-t --time-interval\fP option sets the polling interval in seconds
 .PP
+The \fB-T --target-temp\fP option sets the initial target temperature
+.PP
 The \fB-v --version\fP option shows the version of \fBtmon \fP
 .PP
 The \fB-z --zone\fP option sets the target therma zone instance to be controlled
diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c
index 09b7c3218334..9aa19652e8e8 100644
--- a/tools/thermal/tmon/tmon.c
+++ b/tools/thermal/tmon/tmon.c
@@ -64,6 +64,7 @@ void usage()
         printf("  -h, --help            show this help message\n");
         printf("  -l, --log             log data to /var/tmp/tmon.log\n");
         printf("  -t, --time-interval   sampling time interval, > 1 sec.\n");
+        printf("  -T, --target-temp     initial target temperature\n");
         printf("  -v, --version         show version\n");
         printf("  -z, --zone            target thermal zone id\n");
 
@@ -219,6 +220,7 @@ static struct option opts[] = {
         { "control", 1, NULL, 'c' },
         { "daemon", 0, NULL, 'd' },
         { "time-interval", 1, NULL, 't' },
+        { "target-temp", 1, NULL, 'T' },
         { "log", 0, NULL, 'l' },
         { "help", 0, NULL, 'h' },
         { "version", 0, NULL, 'v' },
@@ -231,7 +233,7 @@ int main(int argc, char **argv)
 {
         int err = 0;
         int id2 = 0, c;
-        double yk = 0.0; /* controller output */
+        double yk = 0.0, temp; /* controller output */
         int target_tz_index;
 
         if (geteuid() != 0) {
@@ -239,7 +241,7 @@ int main(int argc, char **argv)
                 exit(EXIT_FAILURE);
         }
 
-        while ((c = getopt_long(argc, argv, "c:dlht:vgz:", opts, &id2)) != -1) {
+        while ((c = getopt_long(argc, argv, "c:dlht:T:vgz:", opts, &id2)) != -1) {
                 switch (c) {
                 case 'c':
                         no_control = 0;
@@ -254,6 +256,14 @@ int main(int argc, char **argv)
                         if (ticktime < 1)
                                 ticktime = 1;
                         break;
+                case 'T':
+                        temp = strtod(optarg, NULL);
+                        if (temp < 0) {
+                                fprintf(stderr, "error: temperature must be positive\n");
+                                return 1;
+                        }
+                        target_temp_user = temp;
+                        break;
                 case 'l':
                         printf("Logging data to /var/tmp/tmon.log\n");
                         logging = 1;
diff --git a/tools/thermal/tmon/tui.c b/tools/thermal/tmon/tui.c
index 89f8ef0e15c8..b5d1c6b22dd3 100644
--- a/tools/thermal/tmon/tui.c
+++ b/tools/thermal/tmon/tui.c
@@ -30,6 +30,18 @@
 
 #include "tmon.h"
 
+#define min(x, y) ({                            \
+        typeof(x) _min1 = (x);                  \
+        typeof(y) _min2 = (y);                  \
+        (void) (&_min1 == &_min2);              \
+        _min1 < _min2 ? _min1 : _min2; })
+
+#define max(x, y) ({                            \
+        typeof(x) _max1 = (x);                  \
+        typeof(y) _max2 = (y);                  \
+        (void) (&_max1 == &_max2);              \
+        _max1 > _max2 ? _max1 : _max2; })
+
 static PANEL *data_panel;
 static PANEL *dialogue_panel;
 static PANEL *top;
@@ -98,6 +110,18 @@ void write_status_bar(int x, char *line)
         wrefresh(status_bar_window);
 }
 
+/* wrap at 5 */
+#define DIAG_DEV_ROWS  5
+/*
+ * list cooling devices + "set temp" entry; wraps after 5 rows, if they fit
+ */
+static int diag_dev_rows(void)
+{
+        int entries = ptdata.nr_cooling_dev + 1;
+        int rows = max(DIAG_DEV_ROWS, (entries + 1) / 2);
+        return min(rows, entries);
+}
+
 void setup_windows(void)
 {
         int y_begin = 1;
@@ -122,7 +146,7 @@ void setup_windows(void)
          * dialogue window is a pop-up, when needed it lays on top of cdev win
          */
 
-        dialogue_window = subwin(stdscr, ptdata.nr_cooling_dev+5, maxx-50,
+        dialogue_window = subwin(stdscr, diag_dev_rows() + 5, maxx-50,
                                 DIAG_Y, DIAG_X);
 
         thermal_data_window = subwin(stdscr, ptdata.nr_tz_sensor *
@@ -258,21 +282,26 @@ void show_cooling_device(void)
 }
 
 const char DIAG_TITLE[] = "[ TUNABLES ]";
-#define DIAG_DEV_ROWS  5
 void show_dialogue(void)
 {
         int j, x = 0, y = 0;
+        int rows, cols;
         WINDOW *w = dialogue_window;
 
         if (tui_disabled || !w)
                 return;
 
+        getmaxyx(w, rows, cols);
+
+        /* Silence compiler 'unused' warnings */
+        (void)cols;
+
         werase(w);
         box(w, 0, 0);
         mvwprintw(w, 0, maxx/4, DIAG_TITLE);
         /* list all the available tunables */
         for (j = 0; j <= ptdata.nr_cooling_dev; j++) {
-                y = j % DIAG_DEV_ROWS;
+                y = j % diag_dev_rows();
                 if (y == 0 && j != 0)
                         x += 20;
                 if (j == ptdata.nr_cooling_dev)
@@ -283,12 +312,10 @@ void show_dialogue(void)
                                 ptdata.cdi[j].type, ptdata.cdi[j].instance);
         }
         wattron(w, A_BOLD);
-        mvwprintw(w, DIAG_DEV_ROWS+1, 1, "Enter Choice [A-Z]?");
+        mvwprintw(w, diag_dev_rows()+1, 1, "Enter Choice [A-Z]?");
         wattroff(w, A_BOLD);
-        /* y size of dialogue win is nr cdev + 5, so print legend
-         * at the bottom line
-         */
-        mvwprintw(w, ptdata.nr_cooling_dev+3, 1,
+        /* print legend at the bottom line */
+        mvwprintw(w, rows - 2, 1,
                 "Legend: A=Active, P=Passive, C=Critical");
 
         wrefresh(dialogue_window);
@@ -437,7 +464,7 @@ static void handle_input_choice(int ch)
                         snprintf(buf, sizeof(buf), "New Value for %.10s-%2d: ",
                                 ptdata.cdi[cdev_id].type,
                                 ptdata.cdi[cdev_id].instance);
-                write_dialogue_win(buf, DIAG_DEV_ROWS+2, 2);
+                write_dialogue_win(buf, diag_dev_rows() + 2, 2);
                 handle_input_val(cdev_id);
         } else {
                 snprintf(buf, sizeof(buf), "Invalid selection %d", ch);