From: Thorsten Leemhuis <regressions@leemhuis.info>
To: "regressions@lists.linux.dev" <regressions@lists.linux.dev>
Subject: Re: vchiq: Performance regression since 5.18-rc1
Date: Mon, 4 Jul 2022 11:48:04 +0200 [thread overview]
Message-ID: <d83236ab-244c-1cbd-2175-c79a5411fb86@leemhuis.info> (raw)
In-Reply-To: <bc69ee03-1a74-c15d-ec94-da3b987ab8b1@leemhuis.info>
On 23.05.22 11:28, Thorsten Leemhuis wrote:
> [TLDR: I'm adding this regression report to the list of tracked
> regressions; all text from me you find below is based on a few templates
> paragraphs you might have encountered already already in similar form.]
>
> On 22.05.22 01:22, Stefan Wahren wrote:
>>
>> while testing the staging/vc04_services/interface/vchiq_arm driver with
>> my Raspberry Pi 3 B+ (multi_v7_defconfig) i noticed a huge performance
>> regression since [ff042f4a9b050895a42cae893cc01fa2ca81b95c] mm:
>> lru_cache_disable: replace work queue synchronization with synchronize_rcu
> [...]
> #regzbot ^introduced ff042f4a9b050895a42cae893cc01fa2ca81b95
> #regzbot title mm: chiq_test runs 7 minutes instead of ~ 1 second.
> #regzbot ignore-activity
#regzbot fixed-by: 31733463372e8d
prev parent reply other threads:[~2022-07-04 9:48 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-21 23:22 vchiq: Performance regression since 5.18-rc1 Stefan Wahren
2022-05-21 23:22 ` Stefan Wahren
2022-05-21 23:46 ` Paul E. McKenney
2022-05-21 23:46 ` Paul E. McKenney
2022-05-22 15:11 ` Stefan Wahren
2022-05-22 15:11 ` Stefan Wahren
2022-05-23 4:48 ` Paul E. McKenney
2022-05-23 4:48 ` Paul E. McKenney
2022-05-23 6:19 ` Stefan Wahren
2022-05-23 6:19 ` Stefan Wahren
2022-05-23 9:29 ` Phil Elwell
2022-05-23 9:29 ` Phil Elwell
2022-05-23 10:48 ` Stefan Wahren
2022-05-23 10:48 ` Stefan Wahren
2022-05-23 11:01 ` Phil Elwell
2022-05-23 11:01 ` Phil Elwell
2022-05-23 11:15 ` Stefan Wahren
2022-05-23 11:15 ` Stefan Wahren
2022-05-23 11:22 ` Phil Elwell
2022-05-23 11:22 ` Phil Elwell
2022-05-23 7:09 ` Sebastian Andrzej Siewior
2022-05-23 7:09 ` Sebastian Andrzej Siewior
2022-05-25 13:56 ` Marcelo Tosatti
2022-05-25 13:56 ` Marcelo Tosatti
2022-05-25 14:07 ` Stefan Wahren
2022-05-25 14:07 ` Stefan Wahren
2022-05-25 14:26 ` Sebastian Andrzej Siewior
2022-05-25 14:26 ` Sebastian Andrzej Siewior
2022-05-25 15:02 ` Paul E. McKenney
2022-05-25 15:02 ` Paul E. McKenney
2022-05-25 15:37 ` Marcelo Tosatti
2022-05-25 15:37 ` Marcelo Tosatti
2022-05-29 22:47 ` Stefan Wahren
2022-05-29 22:47 ` Stefan Wahren
2022-05-30 9:54 ` Stefan Wahren
2022-05-30 9:54 ` Stefan Wahren
2022-06-01 21:02 ` Stefan Wahren
2022-05-23 9:28 ` Thorsten Leemhuis
2022-05-23 9:28 ` Thorsten Leemhuis
2022-07-04 9:48 ` Thorsten Leemhuis [this message]
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