* [PATCH] x86: pebs: remove redundant assignments to sample.period
@ 2025-05-06 9:49 Changbin Du
2025-05-16 16:05 ` [tip: perf/core] perf/x86/intel/ds: Remove " tip-bot2 for Changbin Du
0 siblings, 1 reply; 2+ messages in thread
From: Changbin Du @ 2025-05-06 9:49 UTC (permalink / raw)
To: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
Namhyung Kim, Thomas Gleixner, Borislav Petkov, Dave Hansen, x86
Cc: Mark Rutland, Alexander Shishkin, Jiri Olsa, Ian Rogers,
Adrian Hunter, Liang, Kan, H. Peter Anvin, linux-perf-users,
linux-kernel, Changbin Du
The perf_sample_data_init() has already set the period of sample, so no
need to do it again.
Signed-off-by: Changbin Du <changbin.du@huawei.com>
---
arch/x86/events/intel/ds.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 9b20acc0e932..292ef21cbfbd 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1828,8 +1828,6 @@ static void setup_pebs_fixed_sample_data(struct perf_event *event,
perf_sample_data_init(data, 0, event->hw.last_period);
- data->period = event->hw.last_period;
-
/*
* Use latency for weight (only avail with PEBS-LL)
*/
@@ -2082,7 +2080,6 @@ static void setup_pebs_adaptive_sample_data(struct perf_event *event,
sample_type = event->attr.sample_type;
format_group = basic->format_group;
perf_sample_data_init(data, 0, event->hw.last_period);
- data->period = event->hw.last_period;
setup_pebs_time(event, data, basic->tsc);
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* [tip: perf/core] perf/x86/intel/ds: Remove redundant assignments to sample.period
2025-05-06 9:49 [PATCH] x86: pebs: remove redundant assignments to sample.period Changbin Du
@ 2025-05-16 16:05 ` tip-bot2 for Changbin Du
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot2 for Changbin Du @ 2025-05-16 16:05 UTC (permalink / raw)
To: linux-tip-commits
Cc: Changbin Du, Ingo Molnar, Peter Zijlstra, x86, linux-kernel
The following commit has been merged into the perf/core branch of tip:
Commit-ID: 75a9001bab36f0456f6aae1ab0aa487db456464a
Gitweb: https://git.kernel.org/tip/75a9001bab36f0456f6aae1ab0aa487db456464a
Author: Changbin Du <changbin.du@huawei.com>
AuthorDate: Tue, 06 May 2025 17:49:07 +08:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Fri, 16 May 2025 17:53:53 +02:00
perf/x86/intel/ds: Remove redundant assignments to sample.period
The perf_sample_data_init() has already set the period of sample, so no
need to do it again.
Signed-off-by: Changbin Du <changbin.du@huawei.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250506094907.2724-1-changbin.du@huawei.com
---
arch/x86/events/intel/ds.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 61ee698..319d0d4 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -1831,8 +1831,6 @@ static void setup_pebs_fixed_sample_data(struct perf_event *event,
perf_sample_data_init(data, 0, event->hw.last_period);
- data->period = event->hw.last_period;
-
/*
* Use latency for weight (only avail with PEBS-LL)
*/
@@ -2085,7 +2083,6 @@ static void setup_pebs_adaptive_sample_data(struct perf_event *event,
sample_type = event->attr.sample_type;
format_group = basic->format_group;
perf_sample_data_init(data, 0, event->hw.last_period);
- data->period = event->hw.last_period;
setup_pebs_time(event, data, basic->tsc);
^ permalink raw reply [flat|nested] 2+ messages in thread
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