diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-timechart.txt | 3 | ||||
| -rw-r--r-- | tools/perf/Makefile | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-record.c | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 8 | ||||
| -rw-r--r-- | tools/perf/builtin-timechart.c | 10 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 1 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 6 | ||||
| -rw-r--r-- | tools/perf/design.txt | 3 | ||||
| -rw-r--r-- | tools/perf/util/svghelper.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/symbol.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/trace-event-parse.c | 9 |
11 files changed, 47 insertions, 18 deletions
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 1c2ed3090cc..a7910099d6f 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -31,6 +31,9 @@ OPTIONS -w:: --width=:: Select the width of the SVG file (default: 1000) +-p:: +--power-only:: + Only output the CPU power section of the diagram SEE ALSO diff --git a/tools/perf/Makefile b/tools/perf/Makefile index b5f1953b614..5881943f0c3 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -728,7 +728,7 @@ $(BUILT_INS): perf$X common-cmds.h: util/generate-cmdlist.sh command-list.txt common-cmds.h: $(wildcard Documentation/perf-*.txt) - $(QUIET_GEN)util/generate-cmdlist.sh > $@+ && mv $@+ $@ + $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh $(QUIET_GEN)$(RM) $@ $@+ && \ diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index a5a050af8e7..3eeef339c78 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -41,6 +41,7 @@ static int raw_samples = 0; static int system_wide = 0; static int profile_cpu = -1; static pid_t target_pid = -1; +static pid_t child_pid = -1; static int inherit = 1; static int force = 0; static int append_file = 0; @@ -184,6 +185,9 @@ static void sig_handler(int sig) static void sig_atexit(void) { + if (child_pid != -1) + kill(child_pid, SIGTERM); + if (signr == -1) return; @@ -610,6 +614,8 @@ static int __cmd_record(int argc, const char **argv) exit(-1); } } + + child_pid = pid; } if (realtime_prio) { diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index e5f6ece65a1..3db31e7bf17 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -69,7 +69,8 @@ static int run_idx = 0; static int run_count = 1; static int inherit = 1; static int scale = 1; -static int target_pid = -1; +static pid_t target_pid = -1; +static pid_t child_pid = -1; static int null_run = 0; static int fd[MAX_NR_CPUS][MAX_COUNTERS]; @@ -285,6 +286,8 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } + child_pid = pid; + /* * Wait for the child to be ready to exec. */ @@ -433,6 +436,9 @@ static void skip_signal(int signo) static void sig_atexit(void) { + if (child_pid != -1) + kill(child_pid, SIGTERM); + if (signr == -1) return; diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 4405681b313..702d8fe58fb 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -46,6 +46,8 @@ static u64 turbo_frequency; static u64 first_time, last_time; +static int power_only; + static struct perf_header *header; @@ -547,7 +549,7 @@ static void end_sample_processing(void) u64 cpu; struct power_event *pwr; - for (cpu = 0; cpu < numcpus; cpu++) { + for (cpu = 0; cpu <= numcpus; cpu++) { pwr = malloc(sizeof(struct power_event)); if (!pwr) return; @@ -871,7 +873,7 @@ static int determine_display_tasks(u64 threshold) /* no exit marker, task kept running to the end */ if (p->end_time == 0) p->end_time = last_time; - if (p->total_time >= threshold) + if (p->total_time >= threshold && !power_only) p->display = 1; c = p->all; @@ -882,7 +884,7 @@ static int determine_display_tasks(u64 threshold) if (c->start_time == 1) c->start_time = first_time; - if (c->total_time >= threshold) { + if (c->total_time >= threshold && !power_only) { c->display = 1; count++; } @@ -1134,6 +1136,8 @@ static const struct option options[] = { "output file name"), OPT_INTEGER('w', "width", &svg_page_width, "page width"), + OPT_BOOLEAN('p', "power-only", &power_only, + "output power data only"), OPT_END() }; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 1ca88896eee..37512e93623 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -782,6 +782,7 @@ static const char *skip_symbols[] = { "exit_idle", "mwait_idle", "mwait_idle_with_hints", + "poll_idle", "ppc64_runlatch_off", "pseries_dedicated_idle_sleep", NULL diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e9d256e2f47..0c5e4f72f2b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -219,10 +219,6 @@ remap: more: event = (event_t *)(buf + head); - size = event->header.size; - if (!size) - size = 8; - if (head + event->header.size >= page_size * mmap_window) { unsigned long shift = page_size * (head / page_size); int res; @@ -237,7 +233,6 @@ more: size = event->header.size; - if (!size || process_event(event, offset, head) < 0) { /* @@ -290,7 +285,6 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used) usage_with_options(annotate_usage, options); } - setup_pager(); return __cmd_trace(); diff --git a/tools/perf/design.txt b/tools/perf/design.txt index f1946d107b1..fdd42a824c9 100644 --- a/tools/perf/design.txt +++ b/tools/perf/design.txt @@ -455,3 +455,6 @@ will need at least this: If your architecture does have hardware capabilities, you can override the weak stub hw_perf_event_init() to register hardware counters. + +Architectures that have d-cache aliassing issues, such as Sparc and ARM, +should select PERF_USE_VMALLOC in order to avoid these for perf mmap(). diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index a778fd0f4ae..856655d8b0b 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -28,7 +28,7 @@ static u64 turbo_frequency, max_freq; int svg_page_width = 1000; -#define MIN_TEXT_SIZE 0.001 +#define MIN_TEXT_SIZE 0.01 static u64 total_height; static FILE *svgfile; @@ -217,6 +217,18 @@ static char *cpu_model(void) } fclose(file); } + + /* CPU type */ + file = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies", "r"); + if (file) { + while (fgets(buf, 255, file)) { + unsigned int freq; + freq = strtoull(buf, NULL, 10); + if (freq > max_freq) + max_freq = freq; + } + fclose(file); + } return cpu_m; } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 559fb06210f..47ea0609a76 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -324,8 +324,7 @@ static inline int elf_sym__is_function(const GElf_Sym *sym) { return elf_sym__type(sym) == STT_FUNC && sym->st_name != 0 && - sym->st_shndx != SHN_UNDEF && - sym->st_size != 0; + sym->st_shndx != SHN_UNDEF; } static inline int elf_sym__is_label(const GElf_Sym *sym) diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index f6a8437141c..55b41b9e383 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1968,10 +1968,11 @@ static const struct flag flags[] = { { "NET_TX_SOFTIRQ", 2 }, { "NET_RX_SOFTIRQ", 3 }, { "BLOCK_SOFTIRQ", 4 }, - { "TASKLET_SOFTIRQ", 5 }, - { "SCHED_SOFTIRQ", 6 }, - { "HRTIMER_SOFTIRQ", 7 }, - { "RCU_SOFTIRQ", 8 }, + { "BLOCK_IOPOLL_SOFTIRQ", 5 }, + { "TASKLET_SOFTIRQ", 6 }, + { "SCHED_SOFTIRQ", 7 }, + { "HRTIMER_SOFTIRQ", 8 }, + { "RCU_SOFTIRQ", 9 }, { "HRTIMER_NORESTART", 0 }, { "HRTIMER_RESTART", 1 }, |