Re: [PATCH v6 1/1] tracing: Show last module text symbols in the stacktrace

From: Google
Date: Tue Mar 25 2025 - 18:12:51 EST


On Tue, 25 Mar 2025 15:49:55 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Mon, 24 Mar 2025 23:34:52 +0900
> "Masami Hiramatsu (Google)" <mhiramat@xxxxxxxxxx> wrote:
>
> > From: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> >
> > Since the previous boot trace buffer can include module text address in
> > the stacktrace. As same as the kernel text address, convert the module
> > text address using the module address information.
> >
> >
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202503112205.joXgt8gR-lkp@xxxxxxxxx/
> > Closes: https://lore.kernel.org/oe-kbuild-all/202503112303.D7g66VSd-lkp@xxxxxxxxx/
>
> FYI, You don't add "Reported-by" and "Closes" tags for kernel test robot
> reports for previous versions of a patch set.
>
> It even says that in the report:
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202503112205.joXgt8gR-lkp@xxxxxxxxx/
>
> "not just a new version of the same patch/commit"

Ah, I got it. I missed that part.

Thanks!

>
>
> > Signed-off-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
> > ---
> > Changes in v6:
> > - Protect module_delta by RCU.
> > - Make nop make_mod_delta() for CONFIG_MODULES=n.
> > - Rebased on linux-trace/for-next.
> > Changes in v4:
> > - Move module_delta to trace_array again.
> > - Use bsearch for lookup module_delta.
> > - Revert the boolean logic to avoid '!',
> > - Fix !CONFIG_MODULES compile errors.
> > ---
> > kernel/trace/trace.c | 133 +++++++++++++++++++++++++++++++++++++++++--
> > kernel/trace/trace.h | 8 +++
> > kernel/trace/trace_output.c | 4 +
> > 3 files changed, 138 insertions(+), 7 deletions(-)
> >


--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>