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Tue, 15 Apr 2025 07:22:44 -0700 (PDT) Message-ID: Date: Tue, 15 Apr 2025 22:22:34 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] perf/core: Fix broken throttling bugs 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 References: <20250405141635.243786-1-wangqing7171@gmail.com> From: Qing Wang In-Reply-To: <20250405141635.243786-1-wangqing7171@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hello, PING. Thanks, Qing. On 4/5/2025 10:16 PM, Qing Wong wrote: > 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(-) >