linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: peter enderborg <peter.enderborg@sony.com>
To: Christoph Hellwig <hch@infradead.org>,
	Stephen Boyd <swboyd@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	<linux-kernel@vger.kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Baoquan He <bhe@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Dave Young <dyoung@redhat.com>, Evan Green <evgreen@chromium.org>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Ingo Molnar <mingo@redhat.com>, Jessica Yu <jeyu@kernel.org>,
	Jiri Olsa <jolsa@kernel.org>, <kexec@lists.infradead.org>,
	Konstantin Khlebnikov <khlebnikov@yandex-team.ru>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-doc@vger.kernel.org>, Matthew Wilcox <willy@infradead.org>,
	Petr Mladek <pmladek@suse.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Sasha Levin <sashal@kernel.org>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vivek Goyal <vgoyal@redhat.com>, Will Deacon <will@kernel.org>,
	<x86@kernel.org>
Subject: Re: [PATCH v2 00/12] Add build ID to stacktraces
Date: Thu, 25 Mar 2021 12:06:17 +0100	[thread overview]
Message-ID: <dbb430e1-2223-9df0-2563-4b017d6b409d@sony.com> (raw)
In-Reply-To: <20210324085543.GA2660708@infradead.org>

On 3/24/21 9:55 AM, Christoph Hellwig wrote:
> On Tue, Mar 23, 2021 at 07:04:31PM -0700, Stephen Boyd wrote:
>>  x5 : 0000000000000000 x4 : 0000000000000001
>>  x3 : 0000000000000008 x2 : ffffff93fef25a70
>>  x1 : ffffff93fef15788 x0 : ffffffe3622352e0
>>  Call trace:
>>   lkdtm_WARNING+0x28/0x30 [lkdtm ed5019fdf5e53be37cb1ba7899292d7e143b259e]
>>   direct_entry+0x16c/0x1b4 [lkdtm ed5019fdf5e53be37cb1ba7899292d7e143b259e]
> Yikes.  No, please do not make the backtraces a complete mess for
> something that serves absolutely no need.

Would a "verbose" flag be acceptable solution?    Something like write 1 to /sys/kernel/debug/verbose_stack to get the extra info.

I think I see a need for it.


  reply	other threads:[~2021-03-25 11:07 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-24  2:04 [PATCH v2 00/12] Add build ID to stacktraces Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 01/12] buildid: Add API to parse build ID out of buffer Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 02/12] buildid: Add method to get running kernel's build ID Stephen Boyd
2021-03-24  9:24   ` Rasmus Villemoes
2021-03-24 19:06     ` Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 03/12] dump_stack: Add vmlinux build ID to stack traces Stephen Boyd
2021-03-24 11:22   ` Andy Shevchenko
2021-03-24 19:01     ` Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 04/12] module: Add printk format to add module build ID to stacktraces Stephen Boyd
2021-03-24  9:57   ` Rasmus Villemoes
2021-03-24 19:11     ` Stephen Boyd
2021-03-24 22:21       ` Rasmus Villemoes
2021-03-24 22:28         ` Stephen Boyd
2021-03-30 10:51           ` Petr Mladek
2021-03-30 10:29   ` Petr Mladek
2021-03-30 19:12     ` Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 05/12] arm64: stacktrace: Use %pSb for backtrace printing Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 06/12] x86/dumpstack: " Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 07/12] scripts/decode_stacktrace.sh: Support debuginfod Stephen Boyd
2021-03-24 11:27   ` Andy Shevchenko
2021-03-24 22:22     ` Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 08/12] scripts/decode_stacktrace.sh: Silence stderr messages from addr2line/nm Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 09/12] scripts/decode_stacktrace.sh: Indicate 'auto' can be used for base path Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 10/12] buildid: Mark some arguments const Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 11/12] buildid: Fix kernel-doc notation Stephen Boyd
2021-03-24  2:04 ` [PATCH v2 12/12] kdump: Use vmlinux_build_id() to simplify Stephen Boyd
2021-03-24  8:55 ` [PATCH v2 00/12] Add build ID to stacktraces Christoph Hellwig
2021-03-25 11:06   ` peter enderborg [this message]
2021-03-25 23:21     ` Stephen Boyd
2021-03-30 10:59       ` Petr Mladek
     [not found] ` <32011616573677@mail.yandex-team.ru>
2021-03-24 19:04   ` Stephen Boyd
2021-03-25 11:14 ` peter enderborg
2021-03-25 23:18   ` Stephen Boyd

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=dbb430e1-2223-9df0-2563-4b017d6b409d@sony.com \
    --to=peter.enderborg@sony.com \
    --cc=akpm@linux-foundation.org \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=ast@kernel.org \
    --cc=bhe@redhat.com \
    --cc=bp@alien8.de \
    --cc=catalin.marinas@arm.com \
    --cc=dyoung@redhat.com \
    --cc=evgreen@chromium.org \
    --cc=hch@infradead.org \
    --cc=hsinyi@chromium.org \
    --cc=jeyu@kernel.org \
    --cc=jolsa@kernel.org \
    --cc=kexec@lists.infradead.org \
    --cc=khlebnikov@yandex-team.ru \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@rasmusvillemoes.dk \
    --cc=mingo@redhat.com \
    --cc=pmladek@suse.com \
    --cc=rostedt@goodmis.org \
    --cc=sashal@kernel.org \
    --cc=sergey.senozhatsky@gmail.com \
    --cc=swboyd@chromium.org \
    --cc=tglx@linutronix.de \
    --cc=vgoyal@redhat.com \
    --cc=will@kernel.org \
    --cc=willy@infradead.org \
    --cc=x86@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).