diff options
| -rw-r--r-- | tools/perf/builtin-record.c | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-sched.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 99a12fe86e9..79f99dba5be 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -48,6 +48,7 @@ static int call_graph = 0; static int inherit_stat = 0; static int no_samples = 0; static int sample_address = 0; +static int multiplex = 0; static long samples; static struct timeval last_read; @@ -485,6 +486,9 @@ try_again: exit(-1); } + if (multiplex && fd[nr_cpu][counter] != group_fd) + ioctl(fd[nr_cpu][counter], PERF_COUNTER_IOC_SET_OUTPUT, group_fd); + ioctl(fd[nr_cpu][counter], PERF_COUNTER_IOC_ENABLE); } @@ -681,6 +685,8 @@ static const struct option options[] = { "Sample addresses"), OPT_BOOLEAN('n', "no-samples", &no_samples, "don't sample"), + OPT_BOOLEAN('M', "multiplex", &multiplex, + "multiplex counter output in a single channel"), OPT_END() }; diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 8db0fd222f8..686af633b35 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -1660,6 +1660,8 @@ static const char *record_args[] = { "record", "-a", "-R", + "-M", + "-g", "-c", "1", "-e", "sched:sched_switch:r", "-e", "sched:sched_stat_wait:r", |