Commit-ID: 12467ae4e37aab5e263cc9ab6b6909ae0588844c Gitweb: http://git.kernel.org/tip/12467ae4e37aab5e263cc9ab6b6909ae0588844c Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Fri, 3 Jul 2015 17:05:50 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Mon, 6 Jul 2015 10:46:36 -0300
perf evsel: Introduce set_filter method Replaces existing filter string with the one provided. Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/util/evsel.c | 13 +++++++++++++ tools/perf/util/evsel.h | 1 + tools/perf/util/parse-events.c | 3 +-- 3 files changed, 15 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 6676774..ae925b9 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -823,6 +823,19 @@ int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads, (void *)filter); } +int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter) +{ + char *new_filter = strdup(filter); + + if (new_filter != NULL) { + free(evsel->filter); + evsel->filter = new_filter; + return 0; + } + + return -1; +} + int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads) { return perf_evsel__run_ioctl(evsel, ncpus, nthreads, diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index a3ebb83..8aea4ba 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -182,6 +182,7 @@ void __perf_evsel__reset_sample_bit(struct perf_evsel *evsel, void perf_evsel__set_sample_id(struct perf_evsel *evsel, bool use_sample_identifier); +int perf_evsel__set_filter(struct perf_evsel *evsel, const char *filter); int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads, const char *filter); int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 09f8d23..a71eeb2 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1177,8 +1177,7 @@ int parse_filter(const struct option *opt, const char *str, return -1; } - last->filter = strdup(str); - if (last->filter == NULL) { + if (perf_evsel__set_filter(last, str) < 0) { fprintf(stderr, "not enough memory to hold filter string\n"); return -1; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
