linux-kernel - [PATCH v5 0/3] Add array printing helper to ftrace

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Message-Id: <1422449335-8289-1-git-send-email-javi.merino@arm.com>
Date:	Wed, 28 Jan 2015 12:48:52 +0000
From:	Javi Merino <javi.merino@....com>
To:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>
Cc:	Javi Merino <javi.merino@....com>
Subject: [PATCH v5 0/3] Add array printing helper to ftrace

This series add a helper to the tracing framework to trace arrays.
Patch 1 add the helper and patches 2 and 3 update the traceevent
library to parse them.  They've been tested with trace-cmd.

Changes since v4[0]:
  - Specify the element size in __print_array() as bytes instead of
    bits

Changes since v3:
  - use %zu to print size_t

Changes since v2:
  - Changed BUG() into a trace_seq_printf()
  - Add BUILD_BUG_ON() to chase mistakes in element sizes on build
  - Add patch 2 to avoid repeating code in patch 3.
  - print a warning in traeevent if the size of the array is not valid

[0] http://thread.gmane.org/gmane.linux.kernel/1874250

Dave Martin (1):
  tracing: Add array printing helper

Javi Merino (2):
  tools lib traceevent: factor out allocating and processing args
  tools lib traceevent: Add support for __print_array()

 include/linux/ftrace_event.h       |   4 +
 include/trace/ftrace.h             |   9 +++
 kernel/trace/trace_output.c        |  44 +++++++++++
 tools/lib/traceevent/event-parse.c | 158 +++++++++++++++++++++++++++++--------
 tools/lib/traceevent/event-parse.h |   8 ++
 5 files changed, 192 insertions(+), 31 deletions(-)

-- 
1.9.1

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