[PATCH 5/9] perf: Use generic sample reordering in perf kmem

From: Frederic Weisbecker
Date: Fri Apr 23 2010 - 22:07:23 EST


Use the new generic sample events reordering from perf kmem,
this drops the need of multiplexing the buffers on record time,
improving the scalability of perf kmem.

Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
tools/perf/builtin-kmem.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index db474bb..ab906cb 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -335,8 +335,9 @@ static int process_sample_event(event_t *event, struct perf_session *session)
}

static struct perf_event_ops event_ops = {
- .sample = process_sample_event,
- .comm = event__process_comm,
+ .sample = process_sample_event,
+ .comm = event__process_comm,
+ .ordered_samples = true,
};

static double fragmentation(unsigned long n_req, unsigned long n_alloc)
@@ -730,7 +731,6 @@ static const char *record_args[] = {
"record",
"-a",
"-R",
- "-M",
"-f",
"-c", "1",
"-e", "kmem:kmalloc",
--
1.6.2.3

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