tools lib api fs: Introduce sysfs__read_{int,ull}()
authorArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 10 Sep 2015 14:58:50 +0000 (11:58 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Mon, 14 Sep 2015 15:50:25 +0000 (12:50 -0300)
commit2d729f6a8ac3edbf68de7239fab96c9736946af5
treeec0a1ee34c30e969b6affb211850c7e1bcf320d0
parente0838e029f4f6f271d6172b18f5473558ebdea1b
tools lib api fs: Introduce sysfs__read_{int,ull}()

To read either an int or an unsigned long long value from the given
file.

E.g.:

  $ cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
  3200000
  $ ./sysfs__read_ull
  devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
  /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq=3200000
  $

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-4a12m4d5k8m4qgc1vguocvei@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/lib/api/fs/fs.c
tools/lib/api/fs/fs.h