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/util/util.h | |
| parent | 9ac94e31ca8c6311ec9eb68aea513e39ad809013 (diff) | |
| download | linux-029c75e5cf166f9c04744d81c798f54a44a8417c.tar.bz2 | |
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/util/util.h')
| -rw-r--r-- | tools/perf/util/util.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 74d21dfe0d29..dc58254a2b69 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -45,6 +45,8 @@ int hex2u64(const char *ptr, u64 *val); extern unsigned int page_size; int __pure cacheline_size(void); +int sysctl__max_stack(void); + int fetch_kernel_version(unsigned int *puint, char *str, size_t str_sz); #define KVER_VERSION(x) (((x) >> 16) & 0xff) |