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-rw-r--r--tools/perf/builtin-record.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index ff77b805de7..4e75583ddd6 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -353,7 +353,7 @@ try_again:
}
if (read(fd[nr_cpu][counter][thread_index], &read_data, sizeof(read_data)) == -1) {
- perror("Unable to read perf file descriptor\n");
+ perror("Unable to read perf file descriptor");
exit(-1);
}
@@ -626,7 +626,7 @@ static int __cmd_record(int argc, const char **argv)
nr_cpus = read_cpu_map(cpu_list);
if (nr_cpus < 1) {
- perror("failed to collect number of CPUs\n");
+ perror("failed to collect number of CPUs");
return -1;
}
@@ -761,6 +761,9 @@ static int __cmd_record(int argc, const char **argv)
}
}
+ if (quiet)
+ return 0;
+
fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking);
/*
@@ -820,6 +823,7 @@ static const struct option options[] = {
"do call-graph (stack chain/backtrace) recording"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
+ OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"),
OPT_BOOLEAN('s', "stat", &inherit_stat,
"per thread counts"),
OPT_BOOLEAN('d', "data", &sample_address,