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Wed, 01 Oct 2025 06:49:09 -0700 (PDT) Message-ID: <6baf0f01-a333-4bca-b39d-d01f8624e170@linaro.org> Date: Wed, 1 Oct 2025 14:49:08 +0100 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] perf test: Extend branch stack sampling test for arm64 BRBE To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Ingo Molnar , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , Anshuman Khandual , "Rob Herring (Arm)" , Adam Young , Will Deacon , German Gomez , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Ian Rogers References: <20250813-james-brbe-test-v1-0-76a0144b73fb@linaro.org> Content-Language: en-US From: James Clark In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 18/08/2025 10:38 pm, Ian Rogers wrote: > On Wed, Aug 13, 2025 at 6:39 AM James Clark wrote: >> >> Refactor and add some extra tests for all platforms which were useful >> when developing and testing the BRBE (Branch Buffer Extension) driver >> [1]. Then lastly extend the test for new features which are BRBE >> specific. >> >> Tested on the Arm FVP RevC model [2] and Intel Raptor Lake. >> >> [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=58074a0fce66 >> [2]: https://developer.arm.com/Tools%20and%20Software/Fixed%20Virtual%20Platforms >> >> Signed-off-by: James Clark > > Reviewed-by: Ian Rogers > > Thanks, > Ian > Hi Arnaldo, If you have a chance can you take this one please. It still applies cleanly to perf-tools-next. Thanks James >> --- >> James Clark (3): >> perf test: Refactor brstack test >> perf test: Add syscall and address tests to brstack test >> perf test: Extend branch stack sampling test for Arm64 BRBE >> >> tools/perf/tests/builtin-test.c | 1 + >> tools/perf/tests/shell/test_brstack.sh | 106 ++++++++++++++++++++++++++++++--- >> tools/perf/tests/tests.h | 1 + >> tools/perf/tests/workloads/Build | 2 + >> tools/perf/tests/workloads/traploop.c | 31 ++++++++++ >> 5 files changed, 132 insertions(+), 9 deletions(-) >> --- >> base-commit: 6235ce77749f45cac27f630337e2fdf04e8a6c73 >> change-id: 20250811-james-brbe-test-f5a20dffd734 >> >> Best regards, >> -- >> James Clark >>