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author | Kan Liang <Kan.liang@intel.com> | 2017-05-26 12:05:37 -0700 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-21 11:35:27 -0300 |
commit | 3b00ea938653d136c8e4bcbe9722d954e128ce2e (patch) | |
tree | 6af90bcd4ad08b97c26579890f57b11ac332a3e2 /tools/lib/api/fs/fs.h | |
parent | perf tools: Remove unused _ALL_SOURCE define (diff) | |
download | linux-dev-3b00ea938653d136c8e4bcbe9722d954e128ce2e.tar.xz linux-dev-3b00ea938653d136c8e4bcbe9722d954e128ce2e.zip |
tools lib api fs: Add sysfs__write_int function
Add sysfs__write_int() to ease up writing int to sysfs. New interface
is:
int sysfs__write_int(const char *entry, int value);
Also, introducing filename__write_int() which is useful for new helpers
to write sysctl values.
Signed-off-by: Kan Liang <Kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Elliott <elliott@hpe.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1495825538-5230-2-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/api/fs/fs.h')
-rw-r--r-- | tools/lib/api/fs/fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h index 956c21127d1e..45605348461e 100644 --- a/tools/lib/api/fs/fs.h +++ b/tools/lib/api/fs/fs.h @@ -31,6 +31,8 @@ int filename__read_int(const char *filename, int *value); int filename__read_ull(const char *filename, unsigned long long *value); int filename__read_str(const char *filename, char **buf, size_t *sizep); +int filename__write_int(const char *filename, int value); + int procfs__read_str(const char *entry, char **buf, size_t *sizep); int sysctl__read_int(const char *sysctl, int *value); @@ -38,4 +40,6 @@ int sysfs__read_int(const char *entry, int *value); int sysfs__read_ull(const char *entry, unsigned long long *value); int sysfs__read_str(const char *entry, char **buf, size_t *sizep); int sysfs__read_bool(const char *entry, bool *value); + +int sysfs__write_int(const char *entry, int value); #endif /* __API_FS__ */ |