From: Steven Rostedt <rostedt@goodmis.org>
To: Donggeun Yoo <donggeunyoo.kernel@gmail.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tom Zanussi <zanussi@kernel.org>,
linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tracing: Fix NULL dereference when copying keys for a field variable
Date: Sun, 13 Sep 2026 13:32:10 -0400 [thread overview]
Message-ID: <20260913133210.5561852b@robin> (raw)
In-Reply-To: <20260913122523.30f487d9@robin>
On Sun, 13 Sep 2026 12:25:23 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> Oh, and there's another bug here. With your example, where you used
> "prio" for sched_switch (which isn't a field), there's an error message
> created, but the command still errors out.
I meant the command still succeeds, it doesn't error out.
-- Steve
>
> [ 415.300003] hist:sched:sched_switch: error: Couldn't parse field variable
> Command: hist:keys=stacktrace:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).my_synth($wakeup_lat,prio)
prev parent reply other threads:[~2026-09-13 17:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-12 9:47 [PATCH] tracing: Fix NULL dereference when copying keys for a field variable Donggeun Yoo
2026-09-13 16:25 ` Steven Rostedt
2026-09-13 17:32 ` Steven Rostedt [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260913133210.5561852b@robin \
--to=rostedt@goodmis.org \
--cc=donggeunyoo.kernel@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=mhiramat@kernel.org \
--cc=zanussi@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.