[PATCH 6/8] perf tools: Fix pmu object alias initialization
The pmu_lookup should return pmus that do not expose the 'events' group attribute in sysfs. Also it should fail when any other error during 'events' lookup is hit (pmu_aliases fails). Signed-off-by: Jiri Olsa Cc: Arnaldo Carvalho de Melo Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Paul Mackerras Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Stephane Eranian --- tools/perf/util/pmu.c | 7 --- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 8a2229d..18e8480 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -164,7 +164,7 @@ static int pmu_aliases(char *name, struct list_head *head) "%s/bus/event_source/devices/%s/events", sysfs, name); if (stat(path, ) < 0) - return -1; + return 0;/* no error if 'events' does not exist */ if (pmu_aliases_parse(path, head)) return -1; @@ -296,6 +296,9 @@ static struct perf_pmu *pmu_lookup(char *name) if (pmu_format(name, )) return NULL; + if (pmu_aliases(name, )) + return NULL; + if (pmu_type(name, )) return NULL; @@ -305,8 +308,6 @@ static struct perf_pmu *pmu_lookup(char *name) pmu->cpus = pmu_cpumask(name); - pmu_aliases(name, ); - INIT_LIST_HEAD(>format); INIT_LIST_HEAD(>aliases); list_splice(, >format); -- 1.7.11.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 6/8] perf tools: Fix pmu object alias initialization
The pmu_lookup should return pmus that do not expose the 'events' group attribute in sysfs. Also it should fail when any other error during 'events' lookup is hit (pmu_aliases fails). Signed-off-by: Jiri Olsa jo...@redhat.com Cc: Arnaldo Carvalho de Melo a...@ghostprotocols.net Cc: Peter Zijlstra a.p.zijls...@chello.nl Cc: Ingo Molnar mi...@elte.hu Cc: Paul Mackerras pau...@samba.org Cc: Corey Ashford cjash...@linux.vnet.ibm.com Cc: Frederic Weisbecker fweis...@gmail.com Cc: Stephane Eranian eran...@google.com --- tools/perf/util/pmu.c | 7 --- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 8a2229d..18e8480 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -164,7 +164,7 @@ static int pmu_aliases(char *name, struct list_head *head) %s/bus/event_source/devices/%s/events, sysfs, name); if (stat(path, st) 0) - return -1; + return 0;/* no error if 'events' does not exist */ if (pmu_aliases_parse(path, head)) return -1; @@ -296,6 +296,9 @@ static struct perf_pmu *pmu_lookup(char *name) if (pmu_format(name, format)) return NULL; + if (pmu_aliases(name, aliases)) + return NULL; + if (pmu_type(name, type)) return NULL; @@ -305,8 +308,6 @@ static struct perf_pmu *pmu_lookup(char *name) pmu-cpus = pmu_cpumask(name); - pmu_aliases(name, aliases); - INIT_LIST_HEAD(pmu-format); INIT_LIST_HEAD(pmu-aliases); list_splice(format, pmu-format); -- 1.7.11.4 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
