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>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: [PATCH V4 05/11] perf tools: Add aux_start_paused, aux_pause and aux_resume
Date: Thu, 11 Jan 2024 10:19:08 +0200 [thread overview]
Message-ID: <20240111081914.3123-6-adrian.hunter@intel.com> (raw)
In-Reply-To: <20240111081914.3123-1-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>
---
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
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next prev parent reply other threads:[~2024-01-11 8:20 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-11 8:19 [PATCH V4 00/11] perf/core: Add ability for an event to "pause" or "resume" AUX area tracing Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 01/11] perf/core: Add aux_pause, aux_resume, aux_start_paused Adrian Hunter
2024-01-19 21:40 ` Namhyung Kim
2024-01-23 10:09 ` Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 02/11] perf/x86/intel/pt: Add support for pause / resume Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 03/11] perf tools: Enable evsel__is_aux_event() to work for ARM/ARM64 Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 04/11] perf tools: Enable evsel__is_aux_event() to work for S390_CPUMSF Adrian Hunter
2024-01-11 8:19 ` Adrian Hunter [this message]
2024-01-11 8:19 ` [PATCH V4 06/11] perf tools: Add aux-action config term Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 07/11] perf tools: Parse aux-action Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 08/11] perf tools: Add missing_features for aux_start_paused, aux_pause, aux_resume Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 09/11] perf intel-pt: Improve man page format Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 10/11] perf intel-pt: Add documentation for pause / resume Adrian Hunter
2024-01-16 11:15 ` Andi Kleen
2024-01-16 12:22 ` Adrian Hunter
2024-01-19 21:28 ` Namhyung Kim
2024-01-22 10:07 ` Adrian Hunter
2024-01-11 8:19 ` [PATCH V4 11/11] perf intel-pt: Add a test " Adrian Hunter
2024-01-29 12:48 ` [PATCH V4 00/11] perf/core: Add ability for an event to "pause" or "resume" AUX area tracing Adrian Hunter
2024-01-31 16:53 ` Ian Rogers
2024-02-01 16:29 ` James Clark
2024-02-08 11:40 ` Adrian Hunter
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