From e0549f11e8d57c1a606773342b3b71c74f9986eb Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 3 Dec 2013 14:09:26 +0100 Subject: tools lib traceevent: Add jbd2 plugin Backporting jbd2 plugin. Backported from Steven Rostedt's trace-cmd repo (HEAD 0f2c2fb): git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git This plugin adds field resolving functions for following tracepoint events: jbd2:jbd2_checkpoint_stats jbd2:jbd2_run_stats The diff of 'perf script' output generated by old and new code: (data was generated by 'perf record -e 'jbd2:jbd2_run_stats,jbd2:jbd2_checkpoint_stats' -a') --- script.jbd2.old +++ script.jbd2.new - jbd2/dm-3-8 576 [000] 2983.748423: jbd2:jbd2_checkpoint_stats: [FAILED TO PARSE] dev=265289731 tid=0x3f2bbb chp_time=0x0 forced_to_close=0 written=0 dropped=2 + jbd2/dm-3-8 576 [000] 2983.748423: jbd2:jbd2_checkpoint_stats: dev 253,3 tid 4139963 chp_time 0 forced_to_close 0 written 0 dropped 2 - jbd2/dm-3-8 576 [000] 2983.852789: jbd2:jbd2_run_stats: [FAILED TO PARSE] dev=265289731 tid=0x3f2bc0 wait=0x0 request_delay=0x0 running=0x138d locked=0x0 flushing=0x0 logging=0x68 handle_count=2995 blocks=17 blocks_logged=18 + jbd2/dm-3-8 576 [000] 2983.852789: jbd2:jbd2_run_stats: dev 253,3 tid 4139968 wait 0 request_delay 0 running 5005 locked 0 flushing 0 logging 104 handle_count 2995 blocks 17 blocks_logged 18 This plugin also adds jbd2_dev_to_name function, which was removed from jdb2 tracepoints recently. Keeping it in for backward compatibility reasons. Signed-off-by: Jiri Olsa Cc: Corey Ashford Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Steven Rostedt Link: http://lkml.kernel.org/r/1386076182-14484-13-git-send-email-jolsa@redhat.com Signed-off-by: Steven Rostedt Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/traceevent/Makefile | 2 ++ 1 file changed, 2 insertions(+) (limited to 'tools/lib/traceevent/Makefile') diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index f9468519d5f7..6c6540075a67 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -212,6 +212,8 @@ PEVENT_LIB_OBJS += parse-filter.o PEVENT_LIB_OBJS += parse-utils.o PEVENT_LIB_OBJS += kbuffer-parse.o +PLUGIN_OBJS = plugin_jbd2.o + PLUGINS := $(PLUGIN_OBJS:.o=.so) ALL_OBJS = $(PEVENT_LIB_OBJS) $(PLUGIN_OBJS) -- cgit v1.2.3