diff options
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 5 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 8 |
2 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index ba16cd5b680f..3bb89c2e9020 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -42,6 +42,11 @@ OPTIONS Prefixing with ! shows all syscalls but the ones specified. You may need to escape it. +--filter=<filter>:: + Event filter. This option should follow an event selector (-e) which + selects tracepoint event(s). + + -D msecs:: --delay msecs:: After starting the program, wait msecs before measuring. This is useful to diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index e9f132aa5a09..2c1968061b4b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3362,7 +3362,7 @@ static int trace__set_filter_loop_pids(struct trace *trace) thread = parent; } - err = perf_evlist__set_tp_filter_pids(trace->evlist, nr, pids); + err = perf_evlist__append_tp_filter_pids(trace->evlist, nr, pids); if (!err && trace->filter_pids.map) err = bpf_map__set_filter_pids(trace->filter_pids.map, nr, pids); @@ -3379,8 +3379,8 @@ static int trace__set_filter_pids(struct trace *trace) * we fork the workload in perf_evlist__prepare_workload. */ if (trace->filter_pids.nr > 0) { - err = perf_evlist__set_tp_filter_pids(trace->evlist, trace->filter_pids.nr, - trace->filter_pids.entries); + err = perf_evlist__append_tp_filter_pids(trace->evlist, trace->filter_pids.nr, + trace->filter_pids.entries); if (!err && trace->filter_pids.map) { err = bpf_map__set_filter_pids(trace->filter_pids.map, trace->filter_pids.nr, trace->filter_pids.entries); @@ -4294,6 +4294,8 @@ int cmd_trace(int argc, const char **argv) OPT_CALLBACK('e', "event", &trace, "event", "event/syscall selector. use 'perf list' to list available events", trace__parse_events_option), + OPT_CALLBACK(0, "filter", &trace.evlist, "filter", + "event filter", parse_filter), OPT_BOOLEAN(0, "comm", &trace.show_comm, "show the thread COMM next to its id"), OPT_BOOLEAN(0, "tool_stats", &trace.show_tool_stats, "show tool stats"), |