linux-kernel - [PATCH 00/11] tracing: bugfix and kprobe-based dynamic event updates

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Message-ID: <20130509054405.30398.73831.stgit@mhiramat-M0-7522>
Date:	Thu, 09 May 2013 14:44:05 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	yrl.pp-manager.tt@...achi.com, Oleg Nesterov <oleg@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Tom Zanussi <tom.zanussi@...el.com>
Subject: [PATCH 00/11] tracing: bugfix and kprobe-based dynamic event updates

Hi,

Here is a series of updating kprobe-based dynamic event for
supporting soft-disabling mode and multiple buffers.
This also has some bugfixes of ftrace which I found
including an important deadlock fix.

I think uprobe-based events can also support multi-buffer
and soft-disabling as I did in this series.

---

Masami Hiramatsu (11):
      [BUGFIX] tracing: Return 0 if event_enable_func succeeded
      [BUGFIX] ftrace, kprobes: Fix a deadlock on ftrace_regex_lock
      ftrace: Cleanup regex_lock and ftrace_lock around hash updating
      [BUGFIX] tracing/kprobes: Fix to increment return event probe hit-count
      tracing: Indicate enabled soft-mode in enable file
      [BUGFIX] tracing: Modify soft-mode only if no other referrer
      [TRIVIAL] tracing/kprobes: Use bool for retprobe checker
      tracing/kprobes: Increment probe hit-count even if it is used by perf
      tracing/kprobes: Pass trace_probe directly from dispatcher
      tracing/kprobes: Support ftrace_event_file base multibuffer
      tracing/kprobes: Support soft-mode disabling


 include/linux/ftrace.h       |    1 
 include/linux/ftrace_event.h |    1 
 kernel/kprobes.c             |    1 
 kernel/trace/ftrace.c        |   82 +++++++-----
 kernel/trace/trace_events.c  |   19 ++-
 kernel/trace/trace_kprobe.c  |  289 ++++++++++++++++++++++++++++++++++--------
 6 files changed, 305 insertions(+), 88 deletions(-)

-- 
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
IT Management Research Dept. and Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
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