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| author | Tao Ma <boyu.mt@taobao.com> | 2011-07-11 06:01:52 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-07-11 06:01:52 +0200 |
| commit | b3d4c2b10b68d205d3eb1b5c17dcb4649a502798 (patch) | |
| tree | bd03e3dc922f62b019d5b1b5a0eb089f36e0502e /include/trace/events/ext4.h | |
| parent | ext4: speed up group trim with the right free block count (diff) | |
| download | linux-b3d4c2b10b68d205d3eb1b5c17dcb4649a502798.tar.xz linux-b3d4c2b10b68d205d3eb1b5c17dcb4649a502798.zip | |
ext4: Add new ext4 trim tracepoints
Add ext4_trim_extent and ext4_trim_all_free.
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/trace/events/ext4.h')
| -rw-r--r-- | include/trace/events/ext4.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 6f27a59fc90d..51d88139eb8c 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -1542,6 +1542,55 @@ TRACE_EVENT(ext4_journal_start, __entry->nblocks, (void *)__entry->ip) ); +DECLARE_EVENT_CLASS(ext4__trim, + TP_PROTO(struct super_block *sb, + ext4_group_t group, + ext4_grpblk_t start, + ext4_grpblk_t len), + + TP_ARGS(sb, group, start, len), + + TP_STRUCT__entry( + __field( int, dev_major ) + __field( int, dev_minor ) + __field( __u32, group ) + __field( int, start ) + __field( int, len ) + ), + + TP_fast_assign( + __entry->dev_major = MAJOR(sb->s_dev); + __entry->dev_minor = MINOR(sb->s_dev); + __entry->group = group; + __entry->start = start; + __entry->len = len; + ), + + TP_printk("dev %d,%d group %u, start %d, len %d", + __entry->dev_major, __entry->dev_minor, + __entry->group, __entry->start, __entry->len) +); + +DEFINE_EVENT(ext4__trim, ext4_trim_extent, + + TP_PROTO(struct super_block *sb, + ext4_group_t group, + ext4_grpblk_t start, + ext4_grpblk_t len), + + TP_ARGS(sb, group, start, len) +); + +DEFINE_EVENT(ext4__trim, ext4_trim_all_free, + + TP_PROTO(struct super_block *sb, + ext4_group_t group, + ext4_grpblk_t start, + ext4_grpblk_t len), + + TP_ARGS(sb, group, start, len) +); + #endif /* _TRACE_EXT4_H */ /* This part must be outside protection */ |