linux-kernel - [PATCH 0/2] perf/core: Fix broken throttling bugs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250405141635.243786-1-wangqing7171@gmail.com>
Date: Sat,  5 Apr 2025 22:16:33 +0800
From: Qing Wong <wangqing7171@...il.com>
To: peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	mark.rutland@....com,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	adrian.hunter@...el.com,
	kan.liang@...ux.intel.com,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Qing Wang <wangqing7171@...il.com>
Subject: [PATCH 0/2] perf/core: Fix broken throttling bugs

From: Qing Wang <wangqing7171@...il.com>

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