linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Adrian Hunter <adrian.hunter@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Thomas Richter <tmricht@linux.ibm.com>,
	Hendrik Brueckner <brueckner@linux.ibm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mike Leach <mike.leach@linaro.org>,
	James Clark <james.clark@arm.com>,
	coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
	Yicong Yang <yangyicong@hisilicon.com>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Will Deacon <will@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>, Andi Kleen <ak@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: [PATCH V5 06/12] perf tools: Add aux_start_paused, aux_pause and aux_resume
Date: Thu,  8 Feb 2024 13:31:21 +0200	[thread overview]
Message-ID: <20240208113127.22216-7-adrian.hunter@intel.com> (raw)
In-Reply-To: <20240208113127.22216-1-adrian.hunter@intel.com>

Add struct perf_event_attr members to support pause and resume of AUX area
tracing.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ian Rogers <irogers@google.com>
---
 tools/include/uapi/linux/perf_event.h     | 11 ++++++++++-
 tools/perf/util/perf_event_attr_fprintf.c |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 3a64499b0f5d..0c557f0a17b3 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -511,7 +511,16 @@ struct perf_event_attr {
 	__u16	sample_max_stack;
 	__u16	__reserved_2;
 	__u32	aux_sample_size;
-	__u32	__reserved_3;
+
+	union {
+		__u32	aux_action;
+		struct {
+			__u32	aux_start_paused :  1, /* start AUX area tracing paused */
+				aux_pause        :  1, /* on overflow, pause AUX area tracing */
+				aux_resume       :  1, /* on overflow, resume AUX area tracing */
+				__reserved_3     : 29;
+		};
+	};
 
 	/*
 	 * User provided data if sigtrap=1, passed back to user via
diff --git a/tools/perf/util/perf_event_attr_fprintf.c b/tools/perf/util/perf_event_attr_fprintf.c
index 8f04d3b7f3ec..0e3cb35aab33 100644
--- a/tools/perf/util/perf_event_attr_fprintf.c
+++ b/tools/perf/util/perf_event_attr_fprintf.c
@@ -323,6 +323,9 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr,
 	PRINT_ATTRf(sample_max_stack, p_unsigned);
 	PRINT_ATTRf(aux_sample_size, p_unsigned);
 	PRINT_ATTRf(sig_data, p_unsigned);
+	PRINT_ATTRf(aux_start_paused, p_unsigned);
+	PRINT_ATTRf(aux_pause, p_unsigned);
+	PRINT_ATTRf(aux_resume, p_unsigned);
 
 	return ret;
 }
-- 
2.34.1


  parent reply	other threads:[~2024-02-08 11:32 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-08 11:31 [PATCH V5 00/12] perf/core: Add ability for an event to "pause" or "resume" AUX area tracing Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 01/12] perf/core: Add aux_pause, aux_resume, aux_start_paused Adrian Hunter
2024-02-09  0:13   ` Andi Kleen
2024-02-09  8:14     ` Adrian Hunter
2024-02-09  9:49       ` Andi Kleen
2024-02-09 21:10       ` Andi Kleen
2024-02-12  6:43         ` Adrian Hunter
2024-02-16  9:31           ` [PATCH V6] " Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 02/12] perf/x86/intel/pt: Add support for pause / resume Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 03/12] perf/x86/intel: Do not enable large PEBS for events with aux actions or aux sampling Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 04/12] perf tools: Enable evsel__is_aux_event() to work for ARM/ARM64 Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 05/12] perf tools: Enable evsel__is_aux_event() to work for S390_CPUMSF Adrian Hunter
2024-02-08 11:31 ` Adrian Hunter [this message]
2024-02-08 11:31 ` [PATCH V5 07/12] perf tools: Add aux-action config term Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 08/12] perf tools: Parse aux-action Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 09/12] perf tools: Add missing_features for aux_start_paused, aux_pause, aux_resume Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 10/12] perf intel-pt: Improve man page format Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 11/12] perf intel-pt: Add documentation for pause / resume Adrian Hunter
2024-02-08 11:31 ` [PATCH V5 12/12] perf intel-pt: Add a test " Adrian Hunter
2024-02-09  0:16   ` Andi Kleen
2024-04-11 12:02 ` [PATCH V5 00/12] perf/core: Add ability for an event to "pause" or "resume" AUX area tracing Adrian Hunter
2024-04-24 10:39   ` Adrian Hunter
2024-05-15 12:34     ` Adrian Hunter

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=20240208113127.22216-7-adrian.hunter@intel.com \
    --to=adrian.hunter@intel.com \
    --cc=acme@kernel.org \
    --cc=ak@linux.intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=brueckner@linux.ibm.com \
    --cc=coresight@lists.linaro.org \
    --cc=hca@linux.ibm.com \
    --cc=irogers@google.com \
    --cc=james.clark@arm.com \
    --cc=jolsa@kernel.org \
    --cc=jonathan.cameron@huawei.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mike.leach@linaro.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=suzuki.poulose@arm.com \
    --cc=tmricht@linux.ibm.com \
    --cc=will@kernel.org \
    --cc=yangyicong@hisilicon.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).