diff options
Diffstat (limited to 'tools/perf/builtin-script.c')
| -rw-r--r-- | tools/perf/builtin-script.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 3056b45..09024ec 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -13,6 +13,7 @@ #include "util/util.h" #include "util/evlist.h" #include "util/evsel.h" +#include <linux/bitmap.h> static char const *script_name; static char const *generate_script_lang; @@ -21,6 +22,8 @@ static u64 last_timestamp; static u64 nr_unordered; extern const struct option record_options[]; static bool no_callchain; +static const char *cpu_list; +static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); enum perf_output_field { PERF_OUTPUT_COMM = 1U << 0, @@ -453,6 +456,10 @@ static int process_sample_event(union perf_event *event, last_timestamp = sample->time; return 0; } + + if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) + return 0; + scripting_ops->process_event(event, sample, evsel, session, thread); session->hists.stats.total_period += sample->period; @@ -1075,6 +1082,7 @@ static const struct option options[] = { OPT_CALLBACK('f', "fields", NULL, "str", "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr", parse_output_fields), + OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"), OPT_END() }; @@ -1255,6 +1263,11 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) if (session == NULL) return -ENOMEM; + if (cpu_list) { + if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap)) + return -1; + } + if (!no_callchain) symbol_conf.use_callchain = true; else |
