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Sat, 05 Apr 2025 07:17:09 -0700 (PDT) Received: from localhost.localdomain ([27.38.130.242]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2297865dfd7sm50208505ad.136.2025.04.05.07.17.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Apr 2025 07:17:09 -0700 (PDT) From: Qing Wong To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Qing Wang Subject: [PATCH 0/2] perf/core: Fix broken throttling bugs Date: Sat, 5 Apr 2025 22:16:33 +0800 Message-ID: <20250405141635.243786-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Qing Wang There is a bug that broken throttling, this patchset intends to improve the accuracy of throttling. This patchset does two changes: - Revert a specific patch to avoid broken throttling when max_samples_per_tick>1. - Add throttling judgement when max_samples_per_tick=1. base-commit: acc4d5ff0b61 Qing Wang (2): Revert "perf/core: Fix hardlockup failure caused by perf throttle" perf/core: Fix broken throttling when max_samples_per_tick=1 kernel/events/core.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) -- 2.43.0