From: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
Date: Tue, 29 Jan 2013 22:45:49 +0000 (-0500)
Subject: ring-buffer: Add stats field for amount read from trace ring buffer
X-Git-Tag: v3.9-rc1~173^2~10^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad964704ba9326d027fc10fd0099b7c880e50172;p=pandora-kernel.git

ring-buffer: Add stats field for amount read from trace ring buffer

Add a stat about the number of events read from the ring buffer:

 #  cat /debug/tracing/per_cpu/cpu0/stats
entries: 39869
overrun: 870512
commit overrun: 0
bytes: 1449912
oldest event ts:  6561.368690
now ts:  6565.246426
dropped events: 0
read events: 112    <-- Added

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---

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