diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-17 16:31:32 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-05-17 16:31:32 -0300 |
| commit | 029c75e5cf166f9c04744d81c798f54a44a8417c (patch) | |
| tree | 7274bd2df51402c0c310bd56146611cb9635bc4d /tools/perf/builtin-trace.c | |
| parent | 9ac94e31ca8c6311ec9eb68aea513e39ad809013 (diff) | |
| download | blackbird-obmc-linux-029c75e5cf166f9c04744d81c798f54a44a8417c.tar.gz blackbird-obmc-linux-029c75e5cf166f9c04744d81c798f54a44a8417c.zip | |
perf tools: No need to unconditionally read the max_stack sysctls
Let tools that need to have those variables with the sysctl current
values use a function that will read them.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-1ljj3oeo5kpt2n1icfd9vowe@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c7effcfc40ed..560aed7da36a 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -3162,7 +3162,7 @@ int cmd_trace(int argc, const char **argv) mmap_pages_user_set = false; if (trace.max_stack == UINT_MAX) { - trace.max_stack = input_name ? PERF_MAX_STACK_DEPTH : sysctl_perf_event_max_stack; + trace.max_stack = input_name ? PERF_MAX_STACK_DEPTH : sysctl__max_stack(); max_stack_user_set = false; } |
