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Diffstat (limited to 'include/trace/events/writeback.h')
-rw-r--r--include/trace/events/writeback.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index b453d92c2253..6a16fd2e70ed 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -32,6 +32,115 @@
struct wb_writeback_work;
+TRACE_EVENT(writeback_dirty_page,
+
+ TP_PROTO(struct page *page, struct address_space *mapping),
+
+ TP_ARGS(page, mapping),
+
+ TP_STRUCT__entry (
+ __array(char, name, 32)
+ __field(unsigned long, ino)
+ __field(pgoff_t, index)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name,
+ mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32);
+ __entry->ino = mapping ? mapping->host->i_ino : 0;
+ __entry->index = page->index;
+ ),
+
+ TP_printk("bdi %s: ino=%lu index=%lu",
+ __entry->name,
+ __entry->ino,
+ __entry->index
+ )
+);
+
+DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
+
+ TP_PROTO(struct inode *inode, int flags),
+
+ TP_ARGS(inode, flags),
+
+ TP_STRUCT__entry (
+ __array(char, name, 32)
+ __field(unsigned long, ino)
+ __field(unsigned long, flags)
+ ),
+
+ TP_fast_assign(
+ struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;
+
+ /* may be called for files on pseudo FSes w/ unregistered bdi */
+ strncpy(__entry->name,
+ bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
+ __entry->ino = inode->i_ino;
+ __entry->flags = flags;
+ ),
+
+ TP_printk("bdi %s: ino=%lu flags=%s",
+ __entry->name,
+ __entry->ino,
+ show_inode_state(__entry->flags)
+ )
+);
+
+DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
+
+ TP_PROTO(struct inode *inode, int flags),
+
+ TP_ARGS(inode, flags)
+);
+
+DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode,
+
+ TP_PROTO(struct inode *inode, int flags),
+
+ TP_ARGS(inode, flags)
+);
+
+DECLARE_EVENT_CLASS(writeback_write_inode_template,
+
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+
+ TP_ARGS(inode, wbc),
+
+ TP_STRUCT__entry (
+ __array(char, name, 32)
+ __field(unsigned long, ino)
+ __field(int, sync_mode)
+ ),
+
+ TP_fast_assign(
+ strncpy(__entry->name,
+ dev_name(inode->i_mapping->backing_dev_info->dev), 32);
+ __entry->ino = inode->i_ino;
+ __entry->sync_mode = wbc->sync_mode;
+ ),
+
+ TP_printk("bdi %s: ino=%lu sync_mode=%d",
+ __entry->name,
+ __entry->ino,
+ __entry->sync_mode
+ )
+);
+
+DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode_start,
+
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+
+ TP_ARGS(inode, wbc)
+);
+
+DEFINE_EVENT(writeback_write_inode_template, writeback_write_inode,
+
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+
+ TP_ARGS(inode, wbc)
+);
+
DECLARE_EVENT_CLASS(writeback_work_class,
TP_PROTO(struct backing_dev_info *bdi, struct wb_writeback_work *work),
TP_ARGS(bdi, work),
@@ -479,6 +588,13 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
)
);
+DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode_start,
+ TP_PROTO(struct inode *inode,
+ struct writeback_control *wbc,
+ unsigned long nr_to_write),
+ TP_ARGS(inode, wbc, nr_to_write)
+);
+
DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
TP_PROTO(struct inode *inode,
struct writeback_control *wbc,