From: Masami Hiramatsu <mhiramat@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Steven Rostedt <rostedt@goodmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Jiaying Zhang <jiayingz@google.com>,
Martin Bligh <mbligh@google.com>, Li Zefan <lizf@cn.fujitsu.com>,
Jason Baron <jbaron@redhat.com>
Subject: Re: [RFD] Kprobes/Kretprobes perf support
Date: Wed, 12 Aug 2009 17:27:16 -0400 [thread overview]
Message-ID: <4A8333B4.7020301@redhat.com> (raw)
In-Reply-To: <1250111397.7035.1.camel@laptop>
Peter Zijlstra wrote:
> On Wed, 2009-08-12 at 21:13 +0200, Frederic Weisbecker wrote:
>
>> Ingo, Peter do you have an idea on how we could do that?
>
> Wouldn't it be easiest to use ftrace to create dynamic tracepoints in
> the ftrace way such that they become available in
> debugfs://tracing/events/kprobes/*/ and then have them interfaced the
> same way as all other tracepoints?
Yes, almost same. One big difference is that they are sharing
same event-id(TRACE_KPROBE and TRACE_KRETPROBE).
But I can make each kprobe events to have different ids, if you need.
Thank you,
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-08-12 21:24 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 18:48 [GIT PULL] tracing: Syscalls trace events + perf support Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 01/16] tracing: Rename set_tracer_flags()'s local variable trace_flags Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 02/16] tracing: Map syscall name to number Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 03/16] tracing: Call arch_init_ftrace_syscalls at boot Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 04/16] tracing: Add DECLARE_TRACE_WITH_CALLBACK() macro Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 05/16] tracing: Add syscall tracepoints Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 06/16] tracing: Update FTRACE_SYSCALL_MAX Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 07/16] tracing: Raw_init() bailout in trace event register fail case Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 08/16] tracing: Add ftrace_event_call void * 'data' field Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 09/16] tracing: Add trace events for each syscall entry/exit Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 10/16] tracing: Add individual syscalls tracepoint id support Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 11/16] tracing: Add perf counter support for syscalls tracing Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 12/16] tracing: Add more namespace area to 'perf list' output Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 13/16] tracing: Convert x86_64 mmap and uname to use DEFINE_SYSCALL Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 14/16] tracing: Add ftrace event call parameter to its field descriptor handler Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 15/16] tracing: Add fields format definition for syscall events Frederic Weisbecker
2009-08-19 17:12 ` Masami Hiramatsu
2009-08-19 17:37 ` Frederic Weisbecker
2009-08-20 1:07 ` Li Zefan
2009-08-11 18:49 ` [PATCH 16/16] tracing: Support for syscall events raw records in perfcounters Frederic Weisbecker
2009-08-12 9:11 ` [GIT PULL] tracing: Syscalls trace events + perf support Ingo Molnar
2009-08-12 11:03 ` Ingo Molnar
2009-08-12 11:14 ` Ingo Molnar
2009-08-12 14:25 ` Jason Baron
2009-08-12 14:29 ` Ingo Molnar
2009-08-12 14:37 ` Jason Baron
2009-08-12 11:33 ` Frederic Weisbecker
2009-08-12 13:59 ` Jason Baron
2009-08-12 14:30 ` Ingo Molnar
2009-08-18 0:46 ` Paul Mundt
2009-08-18 7:32 ` Ingo Molnar
2009-08-18 7:32 ` Ingo Molnar
2009-08-18 8:51 ` [S390] ftrace: update system call tracer support Ingo Molnar
2009-08-18 8:51 ` Ingo Molnar
2009-08-18 8:59 ` Martin Schwidefsky
2009-08-18 10:05 ` Ingo Molnar
2009-08-18 10:22 ` Martin Schwidefsky
2009-08-18 14:56 ` Jason Baron
2009-08-18 10:25 ` [GIT PULL] tracing: Syscalls trace events + perf support Frederic Weisbecker
2009-08-18 10:25 ` Frederic Weisbecker
2009-08-18 11:06 ` Ingo Molnar
2009-08-18 11:56 ` Paul Mundt
2009-08-12 16:33 ` Masami Hiramatsu
2009-08-12 17:02 ` Masami Hiramatsu
2009-08-12 19:13 ` [RFD] Kprobes/Kretprobes " Frederic Weisbecker
2009-08-12 20:20 ` Masami Hiramatsu
2009-08-13 8:02 ` Ingo Molnar
2009-08-12 21:09 ` Peter Zijlstra
2009-08-12 21:27 ` Masami Hiramatsu [this message]
2009-08-12 21:37 ` Frederic Weisbecker
2009-08-12 21:35 ` Frederic Weisbecker
2009-08-14 15:05 ` Masami Hiramatsu
2009-08-15 14:33 ` Ingo Molnar
2009-08-17 21:58 ` 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=4A8333B4.7020301@redhat.com \
--to=mhiramat@redhat.com \
--cc=fweisbec@gmail.com \
--cc=jbaron@redhat.com \
--cc=jiayingz@google.com \
--cc=laijs@cn.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lizf@cn.fujitsu.com \
--cc=mathieu.desnoyers@polymtl.ca \
--cc=mbligh@google.com \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
--cc=rostedt@goodmis.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.