From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 8 Feb 2013 18:00:22 +0000 (-0500)
Subject: jbd2: add tracepoints which provide per-handle statistics
X-Git-Tag: v3.9-rc1~64^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=343d9c283c9847da043fda3e76e3197f27b667dd;p=pandora-kernel.git

jbd2: add tracepoints which provide per-handle statistics

Handles which stay open a long time are problematic when it comes time
to close down a transaction so it can be committed.  These tracepoints
will help us determine which ones are the problematic ones, and to
validate whether changes makes things better or worse.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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