linux-kernel - [PATCH 24/43] perf cs-etm: Remove unused structure field "time" and "timestamp"

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 14 Feb 2019 21:45:20 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Jiri Olsa <jolsa@...hat.com>, Leo Yan <leo.yan@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Suzuki K Poulouse <suzuki.poulose@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 24/43] perf cs-etm: Remove unused structure field "time" and "timestamp"

From: Mathieu Poirier <mathieu.poirier@...aro.org>

Field "time" and "timestamp" in structure cs_etm_queue are no longer
used and need to be removed.

Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Suzuki K Poulouse <suzuki.poulose@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Link: http://lkml.kernel.org/r/20190212171618.25355-3-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/cs-etm.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index ebd68eb43da9..1d9419a0cf0c 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -69,8 +69,6 @@ struct cs_etm_queue {
 	unsigned int queue_nr;
 	pid_t pid, tid;
 	int cpu;
-	u64 time;
-	u64 timestamp;
 	u64 offset;
 	u64 period_instructions;
 	struct branch_stack *last_branch;
@@ -82,7 +80,7 @@ struct cs_etm_queue {
 
 static int cs_etm__update_queues(struct cs_etm_auxtrace *etm);
 static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
-					   pid_t tid, u64 time_);
+					   pid_t tid);
 
 /* PTMs ETMIDR [11:8] set to b0011 */
 #define ETMIDR_PTM_VERSION 0x00000300
@@ -234,7 +232,7 @@ static int cs_etm__flush_events(struct perf_session *session,
 	if (ret < 0)
 		return ret;
 
-	return cs_etm__process_timeless_queues(etm, -1, MAX_TIMESTAMP - 1);
+	return cs_etm__process_timeless_queues(etm, -1);
 }
 
 static void cs_etm__free_queue(void *priv)
@@ -1583,7 +1581,7 @@ static int cs_etm__run_decoder(struct cs_etm_queue *etmq)
 }
 
 static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
-					   pid_t tid, u64 time_)
+					   pid_t tid)
 {
 	unsigned int i;
 	struct auxtrace_queues *queues = &etm->queues;
@@ -1593,7 +1591,6 @@ static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
 		struct cs_etm_queue *etmq = queue->priv;
 
 		if (etmq && ((tid == -1) || (etmq->tid == tid))) {
-			etmq->time = time_;
 			cs_etm__set_pid_tid_cpu(etm, queue);
 			cs_etm__run_decoder(etmq);
 		}
@@ -1637,8 +1634,7 @@ static int cs_etm__process_event(struct perf_session *session,
 
 	if (event->header.type == PERF_RECORD_EXIT)
 		return cs_etm__process_timeless_queues(etm,
-						       event->fork.tid,
-						       sample->time);
+						       event->fork.tid);
 
 	return 0;
 }
-- 
2.19.1