diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 80dc5b790e4..f4c3fbee4ba 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -30,8 +30,6 @@ #include <sched.h> #include <sys/mman.h> -#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) - enum write_mode_t { WRITE_FORCE, WRITE_APPEND @@ -47,7 +45,7 @@ static int freq = 1000; static int output; static int pipe_output = 0; static const char *output_name = NULL; -static int group = 0; +static bool group = false; static int realtime_prio = 0; static bool nodelay = false; static bool raw_samples = false; @@ -163,6 +161,7 @@ static void config_attr(struct perf_evsel *evsel, struct perf_evlist *evlist) struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ + attr->disabled = 1; attr->inherit = !no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING | @@ -438,7 +437,6 @@ static void mmap_read_all(void) static int __cmd_record(int argc, const char **argv) { - int i; struct stat st; int flags; int err; @@ -674,6 +672,8 @@ static int __cmd_record(int argc, const char **argv) } } + perf_evlist__enable(evsel_list); + /* * Let the child rip */ @@ -682,7 +682,6 @@ static int __cmd_record(int argc, const char **argv) for (;;) { int hits = samples; - int thread; mmap_read_all(); @@ -693,19 +692,8 @@ static int __cmd_record(int argc, const char **argv) waking++; } - if (done) { - for (i = 0; i < evsel_list->cpus->nr; i++) { - struct perf_evsel *pos; - - list_for_each_entry(pos, &evsel_list->entries, node) { - for (thread = 0; - thread < evsel_list->threads->nr; - thread++) - ioctl(FD(pos, i, thread), - PERF_EVENT_IOC_DISABLE); - } - } - } + if (done) + perf_evlist__disable(evsel_list); } if (quiet || signr == SIGUSR1) @@ -768,6 +756,8 @@ const struct option record_options[] = { "child tasks do not inherit counters"), OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"), OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), + OPT_BOOLEAN(0, "group", &group, + "put the counters into a counter group"), OPT_BOOLEAN('g', "call-graph", &call_graph, "do call-graph (stack chain/backtrace) recording"), OPT_INCR('v', "verbose", &verbose, |