From: Alexey Budankov <alexey.budankov@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
Kan Liang <kan.liang@linux.intel.com>,
Stephane Eranian <eranian@google.com>,
Ian Rogers <irogers@google.com>, Song Liu <songliubraving@fb.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH v5 2/4] perf/x86: install platform specific swap_task_ctx adapter
Date: Wed, 23 Oct 2019 10:11:54 +0300 [thread overview]
Message-ID: <b157e97d-32c3-aeaf-13ba-47350c677906@linux.intel.com> (raw)
In-Reply-To: <f8d5a880-38e5-29f4-9e6a-848f70a67988@linux.intel.com>
Bridge perf core and x86 swap_task_ctx() method calls.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
arch/x86/events/core.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index 7b21455d7504..6e3f0c18908e 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -2243,6 +2243,13 @@ static void x86_pmu_sched_task(struct perf_event_context *ctx, bool sched_in)
x86_pmu.sched_task(ctx, sched_in);
}
+static void x86_pmu_swap_task_ctx(struct perf_event_context *prev,
+ struct perf_event_context *next)
+{
+ if (x86_pmu.swap_task_ctx)
+ x86_pmu.swap_task_ctx(prev, next);
+}
+
void perf_check_microcode(void)
{
if (x86_pmu.check_microcode)
@@ -2297,6 +2304,7 @@ static struct pmu pmu = {
.event_idx = x86_pmu_event_idx,
.sched_task = x86_pmu_sched_task,
.task_ctx_size = sizeof(struct x86_perf_task_context),
+ .swap_task_ctx = x86_pmu_swap_task_ctx,
.check_period = x86_pmu_check_period,
.aux_output_match = x86_pmu_aux_output_match,
--
2.20.1
next prev parent reply other threads:[~2019-10-23 7:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 7:05 [PATCH v5 0/4] perf/core: fix restoring of Intel LBR call stack on a context switch Alexey Budankov
2019-10-23 7:11 ` [PATCH v5 1/4] perf/core,x86: introduce swap_task_ctx() method at struct pmu Alexey Budankov
2019-10-28 12:43 ` [tip: perf/core] perf/core, perf/x86: Introduce swap_task_ctx() method at 'struct pmu' tip-bot2 for Alexey Budankov
2019-10-23 7:11 ` Alexey Budankov [this message]
2019-10-28 12:43 ` [tip: perf/core] perf/x86: Install platform specific ->swap_task_ctx() adapter tip-bot2 for Alexey Budankov
2019-10-23 7:12 ` [PATCH v5 3/4] perf/x86/intel: implement LBR callstacks context synchronization Alexey Budankov
2019-10-28 12:43 ` [tip: perf/core] perf/x86/intel: Implement LBR callstack " tip-bot2 for Alexey Budankov
2019-10-23 7:13 ` [PATCH v5 4/4] perf/core,x86: synchronize PMU task contexts on optimized context switches Alexey Budankov
2019-10-28 12:43 ` [tip: perf/core] perf/x86: Synchronize " tip-bot2 for Alexey Budankov
2019-10-25 8:35 [PATCH v5 0/4] perf/core: fix restoring of Intel LBR call stack on a context switch Alexey Budankov
2019-10-25 8:59 ` [PATCH v5 2/4] perf/x86: install platform specific swap_task_ctx adapter Alexey Budankov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b157e97d-32c3-aeaf-13ba-47350c677906@linux.intel.com \
--to=alexey.budankov@linux.intel.com \
--cc=acme@kernel.org \
--cc=ak@linux.intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=eranian@google.com \
--cc=irogers@google.com \
--cc=jolsa@redhat.com \
--cc=kan.liang@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=songliubraving@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).