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authorKan Liang <kan.liang@linux.intel.com>2022-07-21 14:57:04 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-07-29 13:41:59 -0300
commita9c1ecdabc4f2ef04ef5334b8deb3a5c5910136d (patch)
tree4f310689a007a761a580e184d3d05e104b24c540 /tools/perf/util
parentff4207f79307dc4910a27771e4306e1a64fde3e1 (diff)
perf evlist: Always use arch_evlist__add_default_attrs()
Current perf stat uses the evlist__add_default_attrs() to add the generic default attrs, and uses arch_evlist__add_default_attrs() to add the Arch specific default attrs, e.g., Topdown for x86. It works well for the non-hybrid platforms. However, for a hybrid platform, the hard code generic default attrs don't work. Uses arch_evlist__add_default_attrs() to replace the evlist__add_default_attrs(). The arch_evlist__add_default_attrs() is modified to invoke the same __evlist__add_default_attrs() for the generic default attrs. No functional change. Add default_null_attrs[] to indicate the arch specific attrs. No functional change for the arch specific default attrs either. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Acked-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220721065706.2886112-4-zhengjun.xing@linux.intel.com Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/evlist.c9
-rw-r--r--tools/perf/util/evlist.h7
2 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 64f5a8074c0c..0c97a2d3274d 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -342,9 +342,14 @@ int __evlist__add_default_attrs(struct evlist *evlist, struct perf_event_attr *a
return evlist__add_attrs(evlist, attrs, nr_attrs);
}
-__weak int arch_evlist__add_default_attrs(struct evlist *evlist __maybe_unused)
+__weak int arch_evlist__add_default_attrs(struct evlist *evlist,
+ struct perf_event_attr *attrs,
+ size_t nr_attrs)
{
- return 0;
+ if (!nr_attrs)
+ return 0;
+
+ return __evlist__add_default_attrs(evlist, attrs, nr_attrs);
}
struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id)
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 1bde9ccf4e7d..129095c0fe6d 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -107,10 +107,13 @@ static inline int evlist__add_default(struct evlist *evlist)
int __evlist__add_default_attrs(struct evlist *evlist,
struct perf_event_attr *attrs, size_t nr_attrs);
+int arch_evlist__add_default_attrs(struct evlist *evlist,
+ struct perf_event_attr *attrs,
+ size_t nr_attrs);
+
#define evlist__add_default_attrs(evlist, array) \
- __evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
+ arch_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
-int arch_evlist__add_default_attrs(struct evlist *evlist);
struct evsel *arch_evlist__leader(struct list_head *list);
int evlist__add_dummy(struct evlist *evlist);