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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-05-17 16:31:32 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-05-17 16:31:32 -0300
commit029c75e5cf166f9c04744d81c798f54a44a8417c (patch)
tree7274bd2df51402c0c310bd56146611cb9635bc4d /tools/perf/builtin-trace.c
parent9ac94e31ca8c6311ec9eb68aea513e39ad809013 (diff)
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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.c2
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;
}