Commit-ID: 67fda0f32cd9428cb9a3166796162097d7fcbcbf
Gitweb: https://git.kernel.org/tip/67fda0f32cd9428cb9a3166796162097d7fcbcbf
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 19 Jul 2018 16:33:43 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 24 Jul 2018 14:53:42 -0300
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@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Lukasz Odzioba <lukasz.odzioba@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180719143345.12963-3-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/machine.c | 12 +++++++++---
1 file 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)
--
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