diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-09-01 12:37:53 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-09-04 14:38:15 -0300 |
| commit | 9864a66defeb8df0ef1487e6d195278cf3e33666 (patch) | |
| tree | 2bd6d5bcabef12a2da045a7ee8699f92505e633d /tools/perf/util/evlist.c | |
| parent | ed21d6d7c48e6e96c2d617e304a7ebfbd17b1807 (diff) | |
perf tools: Consolidate --control option parsing into one function
Consolidate --control option parsing into one function, in preparation
for adding FIFO file name options.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20200901093758.32293-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e3fa3bf7498a..62e3f87547ce 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1727,6 +1727,30 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list, return leader; } +int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack) +{ + char *comma = NULL, *endptr = NULL; + + if (strncmp(str, "fd:", 3)) + return -EINVAL; + + *ctl_fd = strtoul(&str[3], &endptr, 0); + if (endptr == &str[3]) + return -EINVAL; + + comma = strchr(str, ','); + if (comma) { + if (endptr != comma) + return -EINVAL; + + *ctl_fd_ack = strtoul(comma + 1, &endptr, 0); + if (endptr == comma + 1 || *endptr != '\0') + return -EINVAL; + } + + return 0; +} + int evlist__initialize_ctlfd(struct evlist *evlist, int fd, int ack) { if (fd == -1) { |