From: Fushuai Wang <fushuai.wang@linux.dev>
To: fushuai.wang@linux.dev
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-trace-kernel@vger.kernel.org,
mathieu.desnoyers@efficios.com, mhiramat@kernel.org,
rostedt@goodmis.org, shuah@kernel.org, wangfushuai@baidu.com
Subject: Re: [PATCH v2] selftests/tracing: Fix test_multiple_writes stall
Date: Wed, 7 Jan 2026 11:49:14 +0800 [thread overview]
Message-ID: <20260107034914.22315-1-fushuai.wang@linux.dev> (raw)
In-Reply-To: <20251227041821.75504-1-fushuai.wang@linux.dev>
> When /sys/kernel/tracing/buffer_size_kb is less than 12KB,
> the test_multiple_writes test will stall and wait for more
> input due to insufficient buffer space.
>
> Check current buffer_size_kb value before the test. If it is
> less than 12KB, it temporarily increase the buffer to 12KB,
> and restore the original value after the tests are completed.
>
> Fixes: 37f46601383a ("selftests/tracing: Add basic test for trace_marker_raw file")
> Suggested-by: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Gentle ping.
---
Regards,
WANG
next prev parent reply other threads:[~2026-01-07 3:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-27 4:18 [PATCH v2] selftests/tracing: Fix test_multiple_writes stall Fushuai Wang
2026-01-07 3:49 ` Fushuai Wang [this message]
2026-01-07 15:18 ` Steven Rostedt
2026-01-08 18:27 ` Shuah
2026-01-08 19:48 ` Steven Rostedt
2026-01-08 21:03 ` Shuah Khan
2026-01-08 21:52 ` Steven Rostedt
2026-01-09 3:27 ` Fushuai Wang
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