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>

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 */