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perf lock: Add -q/--quiet option to suppress header and debug messages

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Like in 'perf report', this option is to suppress header and debug messages.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220924004221.841024-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-09-23 17:42:20 -07:00 committed by Arnaldo Carvalho de Melo
parent 6282a1f4f8
commit 6bbc482017
2 changed files with 20 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
tools/perf/Documentation/perf-lock.txt
View file

@ -40,6 +40,10 @@ COMMON OPTIONS
--verbose::
Be more verbose (show symbol address, etc).
-q::
--quiet::
Do not show any message. (Suppress -v)
-D::
--dump-raw-trace::
Dump raw trace in ASCII.

27
tools/perf/builtin-lock.c
View file

@ -1250,7 +1250,7 @@ static void print_bad_events(int bad, int total)
for (i = 0; i < BROKEN_MAX; i++)
broken += bad_hist[i];
if (broken == 0 && !verbose)
if (quiet || (broken == 0 && !verbose))
return;
pr_info("\n=== output for debug===\n\n");
@ -1269,10 +1269,12 @@ static void print_result(void)
char cut_name[20];
int bad, total, printed;
pr_info("%20s ", "Name");
list_for_each_entry(key, &lock_keys, list)
pr_info("%*s ", key->len, key->header);
pr_info("\n\n");
if (!quiet) {
pr_info("%20s ", "Name");
list_for_each_entry(key, &lock_keys, list)
pr_info("%*s ", key->len, key->header);
pr_info("\n\n");
}
bad = total = printed = 0;
while ((st = pop_from_result())) {
@ -1482,13 +1484,15 @@ static void print_contention_result(struct lock_contention *con)
struct lock_key *key;
int bad, total, printed;
list_for_each_entry(key, &lock_keys, list)
pr_info("%*s ", key->len, key->header);
if (!quiet) {
list_for_each_entry(key, &lock_keys, list)
pr_info("%*s ", key->len, key->header);
if (show_thread_stats)
pr_info(" %10s %s\n\n", "pid", "comm");
else
pr_info(" %10s %s\n\n", "type", "caller");
if (show_thread_stats)
pr_info(" %10s %s\n\n", "pid", "comm");
else
pr_info(" %10s %s\n\n", "type", "caller");
}
bad = total = printed = 0;
if (use_bpf)
@ -1865,6 +1869,7 @@ int cmd_lock(int argc, const char **argv)
"file", "vmlinux pathname"),
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
"file", "kallsyms pathname"),
OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"),
OPT_END()
};