Commit-ID: 37d9bb580aa73c171c51fb93edf67a902bcb186f Gitweb: http://git.kernel.org/tip/37d9bb580aa73c171c51fb93edf67a902bcb186f Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Fri, 12 Feb 2016 11:27:51 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Fri, 12 Feb 2016 12:52:20 -0300
perf tools: Add comment explaining the repsep_snprintf function Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: Jiri Olsa <jo...@kernel.org> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Wang Nan <wangn...@huawei.com> Link: http://lkml.kernel.org/n/tip-4j67nvlfwbnkg85b969ew...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/sort.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index de620f7..8b54ede 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -28,7 +28,15 @@ int sort__has_socket = 0; int sort__has_thread = 0; enum sort_mode sort__mode = SORT_MODE__NORMAL; - +/* + * Replaces all occurrences of a char used with the: + * + * -t, --field-separator + * + * option, that uses a special separator character and don't pad with spaces, + * replacing all occurances of this separator in symbol names (and other + * output) with a '.' character, that thus it's the only non valid separator. +*/ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...) { int n;
