| From | Jiri Olsa <> | Subject | [PATCH 36/52] perf stat record: Do not allow record with multiple runs mode | Date | Sun, 25 Oct 2015 15:51:52 +0100 |
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We currently don't support storing multiple session in perf.data, so we can't allow -r option in stat record.
$ perf stat -e cycles -r 2 record ls Cannot use -r option with perf stat record.
Link: http://lkml.kernel.org/n/tip-wulio303py16c5hbbo8zrib6@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/builtin-stat.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 9ab268086ae7..719d2c5ade5b 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1377,6 +1377,11 @@ static int __cmd_record(int argc, const char **argv) argc = parse_options(argc, argv, options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); + if (run_count != 1 || forever) { + pr_err("Cannot use -r option with perf stat record.\n"); + return -1; + } + session = perf_session__new(file, false, NULL); if (session == NULL) { pr_err("Perf session creation failed.\n"); -- 2.4.3
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