kernel/include/trace/events/jbd2.h, branch linux-3.0.y

ext4: add more tracepoints and use dev_t in the trace buffer

2011-03-22T01:38:05Z

- Add more ext4 tracepoints. - Change ext4 tracepoints to use dev_t field with MAJOR/MINOR macros so that we can save 4 bytes in the ring buffer on some platforms. - Add sync_mode to ext4_da_writepages, ext4_da_write_pages, and ext4_da_writepages_result tracepoints. Also remove for_reclaim field from ext4_da_writepages since it is usually not very useful. Signed-off-by: Jiaying Zhang Signed-off-by: "Theodore Ts'o"

ext4,jbd2: convert tracepoints to use major/minor numbers

2010-10-28T02:08:50Z

Unfortunately perf can't deal with anything other than direct structure accesses in the TP_printk() section. It will drop dead when it sees jbd2_dev_to_name() in the "print fmt" section of the tracepoint. Addresses-Google-Bug: 3138508 Signed-off-by: "Theodore Ts'o"

ext4: Add new tracepoint for jbd2_cleanup_journal_tail

2009-12-23T12:45:44Z

Signed-off-by: "Theodore Ts'o"

tracing: Convert some jbd2 events to DEFINE_EVENT

2009-11-26T08:14:04Z

Use DECLARE_EVENT_CLASS to remove duplicate code: text data bss dec hex filename 34903 1693 448 37044 90b4 fs/jbd2/journal.o.old 31931 1693 416 34040 84f8 fs/jbd2/journal.o Four events are converted: jbd2_commit: jbd2_start_commit, jbd2_commit_{locking, flushing, logging} No change in functionality. Signed-off-by: Li Zefan Cc: Theodore Ts'o Cc: Steven Rostedt Cc: Frederic Weisbecker LKML-Reference: <4B0E290F.7030909@cn.fujitsu.com> Signed-off-by: Ingo Molnar

jbd2: Use tracepoints for history file

2009-09-30T04:32:06Z

The /proc/fs/jbd2//history was maintained manually; by using tracepoints, we can get all of the existing functionality of the /proc file plus extra capabilities thanks to the ftrace infrastructure. We save memory as a bonus. Signed-off-by: "Theodore Ts'o"

ext4: fix tracepoint format string warnings

2009-09-17T12:50:18Z

Unlike on some other architectures ino_t is an unsigned int on s390. So add an explicit cast to avoid lots of compile warnings: In file included from include/trace/ftrace.h:285, from include/trace/define_trace.h:61, from include/trace/events/ext4.h:711, from fs/ext4/super.c:50: include/trace/events/ext4.h: In function 'ftrace_raw_output_ext4_free_inode': include/trace/events/ext4.h:12: warning: format '%lu' expects type 'long unsigned int', but argument 4 has type 'ino_t' Signed-off-by: Heiko Carstens Signed-off-by: "Theodore Ts'o"

tracing/events: Move TRACE_SYSTEM outside of include guard

2009-07-13T08:59:55Z

If TRACE_INCLDUE_FILE is defined, will be included and compiled, otherwise it will be So TRACE_SYSTEM should be defined outside of #if proctection, just like TRACE_INCLUDE_FILE. Imaging this scenario: #include -> TRACE_SYSTEM == foo ... #include -> TRACE_SYSTEM == bar ... #define CREATE_TRACE_POINTS #include -> TRACE_SYSTEM == bar !!! and then bar.h will be included and compiled. Signed-off-by: Li Zefan Cc: Steven Rostedt Cc: Frederic Weisbecker LKML-Reference: <4A5A9CF1.2010007@cn.fujitsu.com> Signed-off-by: Ingo Molnar

jbd2: convert instrumentation from markers to tracepoints

2009-06-17T15:47:48Z

Signed-off-by: "Theodore Ts'o"