linux-kernel - Re: [PATCH] perf trace: Skip internal syscall arguments

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Message-Id: <176464854211.2315719.6618938787898740617.b4-ty@kernel.org>
Date: Mon, 01 Dec 2025 20:09:02 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Ian Rogers <irogers@...gle.com>, James Clark <james.clark@...aro.org>, 
 Namhyung Kim <namhyung@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>, 
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, 
 LKML <linux-kernel@...r.kernel.org>, linux-perf-users@...r.kernel.org, 
 Thomas Richter <tmricht@...ux.ibm.com>, 
 Steven Rostedt <rostedt@...dmis.org>, Howard Chu <howardchu95@...il.com>
Subject: Re: [PATCH] perf trace: Skip internal syscall arguments

On Wed, 26 Nov 2025 20:44:18 -0800, Namhyung Kim wrote:
> Recent changes in the linux-next kernel will add new field for syscalls
> to have contents in the userspace like below.
> 
>   # cat /sys/kernel/tracing/events/syscalls/sys_enter_write/format
>   name: sys_enter_write
>   ID: 758
>   format:
>           field:unsigned short common_type;       offset:0;       size:2; signed:0;
>           field:unsigned char common_flags;       offset:2;       size:1; signed:0;
>           field:unsigned char common_preempt_count;       offset:3;       size:1; signed:0;
>           field:int common_pid;   offset:4;       size:4; signed:1;
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung