All of lore.kernel.org
 help / color / mirror / Atom feed
From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>, Ye Bin <yebin10@huawei.com>,
	<mathieu.desnoyers@efficios.com>,
	<linux-trace-kernel@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v7 1/5] tracing/probes: support '%pd' type for print struct dentry's name
Date: Fri, 22 Mar 2024 00:28:05 +0900	[thread overview]
Message-ID: <20240322002805.fbfe11e4f8f02e701d8d0c91@kernel.org> (raw)
In-Reply-To: <20240322000759.ec04bca3bb2afdfaef37a545@kernel.org>

On Fri, 22 Mar 2024 00:07:59 +0900
Masami Hiramatsu (Google) <mhiramat@kernel.org> wrote:

> > What would be really useful is if we had a way to expose BTF here. Something like:
> > 
> >  "%pB:<struct>:<field>"
> > 
> > The "%pB" would mean to look up the struct/field offsets and types via BTF,
> > and create the appropriate command to find and print it.
> 
> Would you mean casing the pointer to "<struct>"?

BTW, for this BTF type casting, I would like to make it more naturally, like
(<struct> *)$arg1-><field> as same as other BTF args.

Thank you,

-- 
Masami Hiramatsu (Google) <mhiramat@kernel.org>

  reply	other threads:[~2024-03-21 15:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-20 13:29 [PATCH v7 0/5] support '%pd' and '%pD' for print file name Ye Bin
2024-03-20 13:29 ` [PATCH v7 1/5] tracing/probes: support '%pd' type for print struct dentry's name Ye Bin
2024-03-21 14:15   ` Steven Rostedt
2024-03-21 15:07     ` Masami Hiramatsu
2024-03-21 15:28       ` Masami Hiramatsu [this message]
2024-03-21 15:48         ` Steven Rostedt
2024-03-21 15:46       ` Steven Rostedt
2024-03-20 13:29 ` [PATCH v7 2/5] tracing/probes: support '%pD' type for print struct file's name Ye Bin
2024-03-20 13:29 ` [PATCH v7 3/5] Documentation: tracing: add new type '%pd' and '%pD' for kprobe Ye Bin
2024-03-20 13:29 ` [PATCH v7 4/5] selftests/ftrace: add kprobe test cases for VFS type "%pd" and "%pD" Ye Bin
2024-03-20 13:29 ` [PATCH v7 5/5] selftests/ftrace: add fprobe " Ye Bin
2024-03-21 14:01 ` [PATCH v7 0/5] support '%pd' and '%pD' for print file name Masami Hiramatsu

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=20240322002805.fbfe11e4f8f02e701d8d0c91@kernel.org \
    --to=mhiramat@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-trace-kernel@vger.kernel.org \
    --cc=mathieu.desnoyers@efficios.com \
    --cc=rostedt@goodmis.org \
    --cc=yebin10@huawei.com \
    /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.