linux-kernel - [PATCH 0/2] Fix ftrace stack traces on x86

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Date:	Thu, 22 Mar 2012 11:18:19 +0100
From:	Wolfgang Mauerer <wolfgang.mauerer@...mens.com>
To:	rostedt@...dmis.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] Fix ftrace stack traces on x86_64

Stack tracing with ftrace does currently not work properly when
trace-cmd is used on x86_64 machines -- only half of each stack
entry is shown (things work fine with the ftrace debugfs
interface):

mutextest-7604  [001]   664.978289: user_stack:
 => (000000002a7ac565)
 => (000000002a7a6070)
 => (00000000ffffffff)

The following two patches modify the kernel to use the proper
trace_printk format, and fix trace_cmd to parse the format
correctly:

mutextest-7604  [001]   664.978289: user_stack:
 => (00007f342a7ac565)
 => (00007f342a7a6070)
 => (ffffffffffffffff)

Cheers, Wolfgang

--
Siemens AG
Corporate Competence Centre Embedded Linux

>From Wolfgang Mauerer <wolfgang.mauerer@...mens.com> # This line is ignored.
From: Wolfgang Mauerer <wolfgang.mauerer@...mens.com>
Subject: 
In-Reply-To: 

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