diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2a6ebe184802..845facc49ef3 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -8,6 +8,7 @@ #include "util/thread.h" #include "util/parse-options.h" #include "util/strlist.h" +#include "util/intlist.h" #include "util/thread_map.h" #include <libaudit.h> @@ -259,6 +260,8 @@ struct trace { unsigned long nr_events; struct strlist *ev_qualifier; bool not_ev_qualifier; + struct intlist *tid_list; + struct intlist *pid_list; bool sched; bool multiple_threads; double duration_filter; @@ -653,6 +656,18 @@ out_dump: return 0; } +static bool skip_sample(struct trace *trace, struct perf_sample *sample) +{ + if ((trace->pid_list && intlist__find(trace->pid_list, sample->pid)) || + (trace->tid_list && intlist__find(trace->tid_list, sample->tid))) + return false; + + if (trace->pid_list || trace->tid_list) + return true; + + return false; +} + static int trace__process_sample(struct perf_tool *tool, union perf_event *event __maybe_unused, struct perf_sample *sample, @@ -664,6 +679,9 @@ static int trace__process_sample(struct perf_tool *tool, tracepoint_handler handler = evsel->handler.func; + if (skip_sample(trace, sample)) + return 0; + if (trace->base_time == 0) trace->base_time = sample->time; @@ -683,6 +701,27 @@ perf_session__has_tp(struct perf_session *session, const char *name) return evsel != NULL; } +static int parse_target_str(struct trace *trace) +{ + if (trace->opts.target.pid) { + trace->pid_list = intlist__new(trace->opts.target.pid); + if (trace->pid_list == NULL) { + pr_err("Error parsing process id string\n"); + return -EINVAL; + } + } + + if (trace->opts.target.tid) { + trace->tid_list = intlist__new(trace->opts.target.tid); + if (trace->tid_list == NULL) { + pr_err("Error parsing thread id string\n"); + return -EINVAL; + } + } + + return 0; +} + static int trace__run(struct trace *trace, int argc, const char **argv) { struct perf_evlist *evlist = perf_evlist__new(); @@ -869,6 +908,10 @@ static int trace__replay(struct trace *trace) goto out; } + err = parse_target_str(trace); + if (err != 0) + goto out; + setup_pager(); err = perf_session__process_events(session, &trace->tool); |