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| author | Jiri Olsa <jolsa@kernel.org> | 2018-07-19 16:33:43 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-07-24 19:53:42 +0200 |
| commit | 67fda0f32cd9428cb9a3166796162097d7fcbcbf (patch) | |
| tree | f1a196cf38914d144d6ea99a07c2486ed37508df /tools/perf/util/machine.c | |
| parent | perf machine: Add threads__get_last_match function (diff) | |
| download | linux-67fda0f32cd9428cb9a3166796162097d7fcbcbf.tar.xz linux-67fda0f32cd9428cb9a3166796162097d7fcbcbf.zip | |
perf machine: Add threads__set_last_match function
Separating threads::last_match cache set into separate
threads__set_last_match function. This will be useful in following
patch.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20180719143345.12963-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.c')
| -rw-r--r-- | tools/perf/util/machine.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index df41aa1a4cf9..8992fcf42257 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -431,6 +431,12 @@ threads__get_last_match(struct threads *threads, struct machine *machine, return NULL; } +static void +threads__set_last_match(struct threads *threads, struct thread *th) +{ + threads->last_match = th; +} + /* * Caller must eventually drop thread->refcnt returned with a successful * lookup/new thread inserted. @@ -453,7 +459,7 @@ static struct thread *____machine__findnew_thread(struct machine *machine, th = rb_entry(parent, struct thread, rb_node); if (th->tid == tid) { - threads->last_match = th; + threads__set_last_match(threads, th); machine__update_thread_pid(machine, th, pid); return thread__get(th); } @@ -490,7 +496,7 @@ static struct thread *____machine__findnew_thread(struct machine *machine, * It is now in the rbtree, get a ref */ thread__get(th); - threads->last_match = th; + threads__set_last_match(threads, th); ++threads->nr; } @@ -1648,7 +1654,7 @@ static void __machine__remove_thread(struct machine *machine, struct thread *th, struct threads *threads = machine__threads(machine, th->tid); if (threads->last_match == th) - threads->last_match = NULL; + threads__set_last_match(threads, NULL); BUG_ON(refcount_read(&th->refcnt) == 0); if (lock) |