From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Adrian Hunter <adrian.hunter@intel.com>,
Jiri Olsa <jolsa@redhat.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 13/25] perf intel-pt: Add callchain to synthesized PEBS sample
Date: Fri, 21 Jun 2019 14:38:19 -0300 [thread overview]
Message-ID: <20190621173831.13780-14-acme@kernel.org> (raw)
In-Reply-To: <20190621173831.13780-1-acme@kernel.org>
From: Adrian Hunter <adrian.hunter@intel.com>
Like other synthesized events, if there is also an Intel PT branch
trace, then a call stack can also be synthesized. Add that.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190610072803.10456-12-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/intel-pt.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index bf7647897e8a..550db6e77968 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -1730,6 +1730,14 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq)
sample.time = tsc_to_perf_time(timestamp, &pt->tc);
}
+ if (sample_type & PERF_SAMPLE_CALLCHAIN &&
+ pt->synth_opts.callchain) {
+ thread_stack__sample(ptq->thread, ptq->cpu, ptq->chain,
+ pt->synth_opts.callchain_sz, sample.ip,
+ pt->kernel_start);
+ sample.callchain = ptq->chain;
+ }
+
if (sample_type & PERF_SAMPLE_REGS_INTR &&
items->mask[INTEL_PT_GP_REGS_POS]) {
u64 regs[sizeof(sample.intr_regs.mask)];
--
2.20.1
next prev parent reply other threads:[~2019-06-21 17:38 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-21 17:38 [GIT PULL] perf/core improvements and fixes Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 01/25] perf tests arm64: Compile tests unconditionally Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 02/25] perf: cs-etm: Optimize option setup for CPU-wide sessions Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 03/25] perf intel-pt: Add new packets for PEBS via PT Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 04/25] perf intel-pt: Add Intel PT packet decoder test Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 05/25] perf intel-pt: Add decoder support for PEBS via PT Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 06/25] perf intel-pt: Prepare to synthesize PEBS samples Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 07/25] perf intel-pt: Factor out common sample preparation for re-use Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 08/25] perf intel-pt: Synthesize PEBS sample basic information Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 09/25] perf intel-pt: Add gp registers to synthesized PEBS sample Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 10/25] perf intel-pt: Add XMM " Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 11/25] perf intel-pt: Add LBR information " Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 12/25] perf intel-pt: Add memory " Arnaldo Carvalho de Melo
2019-06-21 17:38 ` Arnaldo Carvalho de Melo [this message]
2019-06-21 17:38 ` [PATCH 14/25] tools build: Check if gettid() is available before providing helper Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 15/25] perf trace: Fix exclusion of not available syscall names from selector list Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 16/25] perf trace: Streamline validation of select syscall names list Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 17/25] tools build feature tests: Add missing SPDX headers Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 18/25] perf " Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 19/25] perf pmu: Fix uncore PMU alias list for ARM64 Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 20/25] perf trace: Fixup pointer arithmetic when consuming augmented syscall args Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 21/25] perf evsel: Make perf_evsel__name() accept a NULL argument Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 22/25] perf tools: Don't hardcode host include path for libslang Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 23/25] tools build: Add test to check if slang.h is in /usr/include/slang/ Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 24/25] perf build: Handle slang being in /usr/include and " Arnaldo Carvalho de Melo
2019-06-21 17:38 ` [PATCH 25/25] tools build: Fix the zstd test in the test-all.c common case feature test Arnaldo Carvalho de Melo
2019-06-22 6:28 ` [GIT PULL] perf/core improvements and fixes Ingo Molnar
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