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Wed, 13 Aug 2025 06:39:12 -0700 (PDT) Received: from ho-tower-lan.lan ([185.48.76.109]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45a1a596280sm2559145e9.28.2025.08.13.06.39.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Aug 2025 06:39:12 -0700 (PDT) From: James Clark Subject: [PATCH 0/3] perf test: Extend branch stack sampling test for arm64 BRBE Date: Wed, 13 Aug 2025 14:38:48 +0100 Message-Id: <20250813-james-brbe-test-v1-0-76a0144b73fb@linaro.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAGiVnGgC/x3MTQqAIBBA4avErBtQK4quEi00x5qgH5yIILx70 vJbvPeCUGQS6IsXIt0sfOwZuixgWuw+E7LPBqNMozqtcbUbCbroCC+SC0NjjfIh+LaqIVdnpMD PfxzGlD41g06cYQAAAA== To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Anshuman Khandual , Mark Rutland , "Rob Herring (Arm)" , Adam Young , Will Deacon , German Gomez Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, James Clark X-Mailer: b4 0.14.0 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 --- 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