linux-kernel - Re: [PATCH] perf tools: sched-pipe bench: add (-n) nonblocking benchmark

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Message-Id: <172970642080.1242473.4539711950671023449.b4-ty@kernel.org>
Date: Wed, 23 Oct 2024 11:00:20 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Brian Geffon <bgeffon@...gle.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>, 
 linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Adrian Hunter <adrian.hunter@...el.com>, Jiri Olsa <jolsa@...nel.org>, 
 Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] perf tools: sched-pipe bench: add (-n) nonblocking
 benchmark

On Wed, 16 Oct 2024 15:00:09 -0400, Brian Geffon wrote:

> The -n mode will benchmark pipes in a non-blocking mode using
> epoll_wait.
> 
> This specific mode was added to demonstrate the broken sync nature
> of epoll: https://lore.kernel.org/lkml/20240426-zupfen-jahrzehnt-5be786bcdf04@brauner
> 
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
Namhyung