From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Sandipan Das <sandipan.das@amd.com>
Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
x86@kernel.org, peterz@infradead.org, bp@alien8.de,
namhyung@kernel.org, jolsa@kernel.org, tglx@linutronix.de,
mingo@redhat.com, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, dave.hansen@linux.intel.com,
james.clark@arm.com, irogers@google.com, eranian@google.com,
ananth.narayan@amd.com, ravi.bangoria@amd.com,
santosh.shukla@amd.com
Subject: Re: [PATCH v3 0/2] tools perf: Add branch speculation info
Date: Wed, 1 Feb 2023 22:05:16 -0300 [thread overview]
Message-ID: <Y9sMTJpltOp43wy0@kernel.org> (raw)
In-Reply-To: <cover.1675057032.git.sandipan.das@amd.com>
Em Mon, Jan 30, 2023 at 11:29:14AM +0530, Sandipan Das escreveu:
> AMD Last Branch Record Extension Version 2 (LbrExtV2) provides branch
> speculation information and the perf UAPI is extended to provide this in
> a generic way. Make perf tool show this additional information.
>
> The UAPI changes can be found in commit 93315e46b000 ("perf/core: Add
> speculation info to branch entries").
>
> Previous versions can be found at:
> v2: https://lore.kernel.org/all/cover.1664356751.git.sandipan.das@amd.com/
> v1: https://lore.kernel.org/all/cover.1660217326.git.sandipan.das@amd.com/
Thanks, applied.
- Arnaldo
> Changes in v3:
> - Drop tools-side UAPI changes as they have already been added by other
> commits.
> - Rebase on top of latest perf/core.
>
> Changes in v2:
> - Drop msr-index.h related changes for now.
> - Rebase on top of latest perf/core.
> - Fix UAPI breakage introduced by the ARM64 BRBE changes to perf branch
> entry.
>
> Sandipan Das (2):
> perf script: Show branch speculation info
> perf session: Show branch speculation info in raw dump
>
> tools/perf/builtin-script.c | 5 +++--
> tools/perf/util/branch.c | 15 +++++++++++++++
> tools/perf/util/branch.h | 2 ++
> tools/perf/util/evsel.c | 15 ++++++++++++---
> tools/perf/util/session.c | 5 +++--
> 5 files changed, 35 insertions(+), 7 deletions(-)
>
> --
> 2.34.1
>
--
- Arnaldo
prev parent reply other threads:[~2023-02-02 1:05 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-30 5:59 [PATCH v3 0/2] tools perf: Add branch speculation info Sandipan Das
2023-01-30 5:59 ` [PATCH v3 1/2] perf script: Show " Sandipan Das
2023-01-30 10:34 ` Sandipan Das
2023-01-30 20:09 ` Arnaldo Carvalho de Melo
2023-02-02 1:13 ` Arnaldo Carvalho de Melo
2023-02-02 2:34 ` Arnaldo Carvalho de Melo
2023-02-02 2:37 ` Arnaldo Carvalho de Melo
2023-01-30 5:59 ` [PATCH v3 2/2] perf session: Show branch speculation info in raw dump Sandipan Das
2023-02-02 1:05 ` Arnaldo Carvalho de Melo [this message]
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