perf tools: Use sysfs__mountpoint() when reading cpu topology
authorJiri Olsa <jolsa@kernel.org>
Tue, 19 Feb 2019 09:58:15 +0000 (10:58 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 19 Feb 2019 15:21:10 +0000 (12:21 -0300)
commite19a01c1438e123d169fd09376a221d844797174
treecb5d1b22fb596468d673ab88078f63900c4b35bf
parent48e6c5acd36873ff022cd97de866bfd0a36a3b99
perf tools: Use sysfs__mountpoint() when reading cpu topology

Use sysfs__mountpoint() when reading sysfs files to obtain cpu/numa
topologies.

Also use scnprintf instead of sprintf as suggested by Namhyung.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190219095815.15931-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/cputopo.c