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authorIngo Molnar <mingo@kernel.org>2015-05-06 04:42:12 +0200
committerIngo Molnar <mingo@kernel.org>2015-05-06 04:42:12 +0200
commit1836ac856e4fb446e48afa4f8cae897d4856b06c (patch)
tree1b5da329b15a09e13189801c82266fb6805a90af /tools/perf/builtin-trace.c
parent5ebe6afaf0057ac3eaeb98defd5456894b446d22 (diff)
parent3698dab1c849c7e1cd440df4fca24baa1973d53b (diff)
Merge tag 'perf-core-for-mingo-3' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Improve --filter support for 'perf probe', allowing using its arguments on other commands, as --add, --del, etc (Masami Hiramatsu) - Show warning when running 'perf kmem stat' on a unsuitable perf.data file, i.e. one with events that are not the ones required for the stat variant used (Namhyung Kim). Infrastructure changes: - Auxtrace support patches, paving the way to support Intel PT and BTS (Adrian Hunter) - hists browser (top, report) refactorings (Namhyung Kim) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r--tools/perf/builtin-trace.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e124741be187..d1139b6bd534 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2660,16 +2660,15 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
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"),
- OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
- "list of events to trace"),
+ OPT_STRING('e', "expr", &ev_qualifier_str, "expr", "list of syscalls to trace"),
OPT_STRING('o', "output", &output_name, "file", "output file name"),
OPT_STRING('i', "input", &input_name, "file", "Analyze events in file"),
OPT_STRING('p', "pid", &trace.opts.target.pid, "pid",
"trace events on existing process id"),
OPT_STRING('t', "tid", &trace.opts.target.tid, "tid",
"trace events on existing thread id"),
- OPT_CALLBACK(0, "filter-pids", &trace, "float",
- "show only events with duration > N.M ms", trace__set_filter_pids),
+ OPT_CALLBACK(0, "filter-pids", &trace, "CSV list of pids",
+ "pids to filter (by the kernel)", trace__set_filter_pids),
OPT_BOOLEAN('a', "all-cpus", &trace.opts.target.system_wide,
"system-wide collection from all CPUs"),
OPT_STRING('C', "cpu", &trace.opts.target.cpu_list, "cpu",