Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full

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To: "Sapkal, Swapnil" <swapnil.sapkal@xxxxxxx>
Subject: Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Date: Wed, 26 Feb 2025 12:38:45 +0100
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, WangYuli <wangyuli@xxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, K Prateek Nayak <kprateek.nayak@xxxxxxx>, "Shenoy, Gautham Ranjal" <gautham.shenoy@xxxxxxx>, Neeraj.Upadhyay@xxxxxxx
In-reply-to: <2a0a8e1e-1c37-4655-8a82-54681b2a83ae@amd.com>
User-agent: Mutt/1.5.24 (2015-08-30)

Thanks Sapkal!

I'll try to think. Meanwhile,

On 02/26, Sapkal, Swapnil wrote:
>
> Exact command with parameters is
>
> 	/usr/bin/hackbench -g 16 -f 20 --threads --pipe -l 100000 -s 100

Can you reproduce with "--process" rather than "--threads" ?

Oleg.

Follow-Ups:
- Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Sapkal, Swapnil

References:
- [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Oleg Nesterov
- Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Sapkal, Swapnil
- Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Oleg Nesterov
- Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Oleg Nesterov
- Re: [PATCH] pipe_read: don't wake up the writer if the pipe is still full
  - From: Sapkal, Swapnil

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