From: Li Zefan <lizf@cn.fujitsu.com>
Date: Thu, 16 Jul 2009 02:54:02 +0000 (+0800)
Subject: tracing/events: record the size of dynamic arrays
X-Git-Tag: v2.6.32-rc1~718^2~75
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d536cb3fb9993bdcd5a2fbaa6b0670ded4e101c;p=pandora-kernel.git

tracing/events: record the size of dynamic arrays

When a dynamic array is defined, we add __data_loc_foo in
trace_entry to record the offset of the array, but the
size of the array is not recorded, which causes 2 problems:

- the event filter just compares the first 2 chars of the strings.

- parsers can't parse dynamic arrays.

So we encode the size of each dynamic array in the higher 16 bits
of __data_loc_foo, while the offset is in lower 16 bits.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A5E964A.9000403@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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