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| author | John Garry <john.garry@huawei.com> | 2020-12-04 19:10:11 +0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-17 14:36:17 -0300 |
| commit | 6d2783fe365fa5f571cf1416b5f5b1e352447a0e (patch) | |
| tree | 422b6b359502ba60612a2148e4157d7c41e0bdd9 /tools/perf | |
| parent | 4513c719c6f1ccf0c362c8dcef1f9b476f8f5c9c (diff) | |
| download | linux-6d2783fe365fa5f571cf1416b5f5b1e352447a0e.tar.gz linux-6d2783fe365fa5f571cf1416b5f5b1e352447a0e.tar.bz2 linux-6d2783fe365fa5f571cf1416b5f5b1e352447a0e.zip | |
perf evlist: Change evlist__splice_list_tail() ordering
Function find_evsel_group() expects events to be ordered such that they
are grouped after their leader.
Modify evlist__splice_list_tail() to guarantee this (ordering).
[Should prob also change the function name]
Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Kajol Jain <kjain@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxarm@huawei.com
Link: http://lore.kernel.org/lkml/1607080216-36968-6-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/evlist.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 493819173a8e..89286f148012 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -179,11 +179,22 @@ void evlist__remove(struct evlist *evlist, struct evsel *evsel) void evlist__splice_list_tail(struct evlist *evlist, struct list_head *list) { - struct evsel *evsel, *temp; + while (!list_empty(list)) { + struct evsel *evsel, *temp, *leader = NULL; - __evlist__for_each_entry_safe(list, temp, evsel) { - list_del_init(&evsel->core.node); - evlist__add(evlist, evsel); + __evlist__for_each_entry_safe(list, temp, evsel) { + list_del_init(&evsel->core.node); + evlist__add(evlist, evsel); + leader = evsel; + break; + } + + __evlist__for_each_entry_safe(list, temp, evsel) { + if (evsel->leader == leader) { + list_del_init(&evsel->core.node); + evlist__add(evlist, evsel); + } + } } } |