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perf_counter: Improve perf stat and perf record option parsing

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perf stat and perf record currently look for all options on the command
line. This can lead to some confusion:

# perf stat ls -l
  Error: unknown switch `l'

While we can work around this by adding '--' before the command, the git
option parsing code can stop at the first non option:

# perf stat ls -l
 Performance counter stats for 'ls -l':
....

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090722130412.GD9029@kryten>
This commit is contained in:
Anton Blanchard 2009-07-22 23:04:12 +10:00 committed by Peter Zijlstra
parent 7f453c24b9
commit a0541234f8
2 changed files with 4 additions and 2 deletions
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3
tools/perf/builtin-record.c
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@ -664,7 +664,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
{
int counter;
argc = parse_options(argc, argv, options, record_usage, 0);
argc = parse_options(argc, argv, options, record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc && target_pid == -1 && !system_wide)
usage_with_options(record_usage, options);

3
tools/perf/builtin-stat.c
View file

@ -511,7 +511,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
{
int status;
argc = parse_options(argc, argv, options, stat_usage, 0);
argc = parse_options(argc, argv, options, stat_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(stat_usage, options);
if (run_count <= 0 || run_count > MAX_RUN)