| sched: performance regression in hackbench (partly solved in -next by c1753fd02a00, partially caused by df323337e50) by Aaron LuEarliest & latest activity: & . Noteworthy: [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11], [12], [13], [14], [15], [16], [17], [18], [19], [20], [21], [22], [23], [24], [25], [26], [27], [28], [29], [30], [resolution]. Latest five known activities: Regzbot command history: - monitor: 'Link:' to this regression in `[PATCH v2 0/3] Introduce SIS_CACHE to choose previous CPU during task wakeup`
, by Chen Yu - monitor: 'Link:' to this regression in `[RFC PATCH v2 2/2] sched/fair: Introduce SELECT_BIAS_PREV to reduce migrations`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v2 1/2] sched/fair: Introduce UTIL_FITS_CAPACITY feature (v2)`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 2/2] sched/fair: Introduce SELECT_BIAS_PREV to reduce migrations`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 1/2] sched/fair: Introduce UTIL_FITS_CAPACITY feature`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH] sched/fair: Introduce WAKEUP_BIAS_PREV to reduce migrations`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH] sched/fair: Introduce WAKEUP_BIAS_PREV_IDLE to reduce migrations`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH] sched/fair: Bias runqueue selection towards almost idle prev CPU`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[PATCH 0/2] Introduce SIS_CACHE to choose previous CPU during task wakeup`
, by Chen Yu - monitor: 'Link:' to this regression in `[RFC PATCH 0/2] Makes it easier for the wakee to choose previous CPU`
, by Chen Yu - monitor: 'Link:' to this regression in `[RFC PATCH 1/2] sched: Rate limit migrations to 1 per 2ms per task`
, by Mathieu Desnoyers - linked: "Re: [RFC PATCH 3/3] sched/fair: Add a per-shard overload flag" mentioned this regression
, by K Prateek Nayak - monitor: 'Link:' to this regression in `[RFC PATCH v3 3/3] sched: ttwu_queue_cond: skip queued wakeups across different l2 caches`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 3/3] sched: ttwu_queue_cond: skip queued wakeups across different l2 caches`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 1/1] sched: ttwu_queue_cond: perform queued wakeups across different L2 caches`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 1/1] sched: Favor almost idle previously used CPUs for wake affine`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH 1/1] sched: Extend cpu idle state for 1ms`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[PATCH 6.4 182/800] mm: move mm_count into its own cache line`
, by Greg Kroah-Hartman - linked: "A quick small additional regressions report pre -rc8/final" mentioned this regression
, by Thorsten Leemhuis - title: sched: performance regression in hackbench (partly solved in -next by c1753fd02a00, partially caused by df323337e50)
, by Linux regression tracking #adding (Thorsten Leemhuis) - title: sched: performance regression in hackbench (partly solved in -next by c1753fd02a00, partially caused by df323337e50)
, by Linux regression tracking #adding (Thorsten Leemhuis) - ^introduced: 223baf9d17f
, by Linux regression tracking #adding (Thorsten Leemhuis) - ^introduced: 223baf9d17f
, by Linux regression tracking #adding (Thorsten Leemhuis) - fixed: 223baf9d17f2 in mainline referred to this regression
, by Mathieu Desnoyers - fixed: 'fix' commit '223baf9d17f2' now in 'mainline'
, by Mathieu Desnoyers - fix: 223baf9d17f2 in next referred to this regression
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[tip: sched/core] sched: Fix performance regression introduced by mm_cid`
, by tip-bot2 for Mathieu Desnoyers - monitor: 'Link:' to this regression in `[PATCH v10] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v9 2/2] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v8] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v7] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v6] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v5] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH] sched: Rate limit migrations`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v4] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH v3] sched: Fix performance regression introduced by mm_cid`
, by Mathieu Desnoyers - monitor: 'Link:' to this regression in `[RFC PATCH] sched: Fix performance regression introduced by mm_cid (v2)`
, by Mathieu Desnoyers - title: sched: PostgreSQL performance regression introduced by mm_cid
, by Linux regression tracking #adding (Thorsten Leemhuis) - monitor: https://lore.kernel.org/all/20230330230911.228720-1-mathieu.desnoyers@efficios.com/
, by Linux regression tracking #adding (Thorsten Leemhuis) - monitor: https://lore.kernel.org/lkml/20230403181342.210896-1-mathieu.desnoyers@efficios.com/
, by Linux regression tracking #adding (Thorsten Leemhuis) - introduced: af7f588d8f73 ^
, by Linux regression tracking #adding (Thorsten Leemhuis) - note: 'bbd0b031509b' in 'next' contains a 'Fixes:' tag for the culprit of this regression
, by Mathieu Desnoyers
| mainline |