From bc367775f60214312befa33f101b31fe74bba48a Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Fri, 30 Jan 2026 21:28:09 +0800 Subject: f2fs: introduce trace_f2fs_priority_update This patch introduces two new tracepoints for debug purpose. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- include/trace/events/f2fs.h | 57 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index c3b6b509472f..9364e6775562 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -2525,6 +2525,63 @@ TRACE_EVENT(f2fs_lock_elapsed_time, __entry->other_time) ); +DECLARE_EVENT_CLASS(f2fs_priority_update, + + TP_PROTO(struct f2fs_sb_info *sbi, enum f2fs_lock_name lock_name, + bool is_write, struct task_struct *p, int orig_prio, + int new_prio), + + TP_ARGS(sbi, lock_name, is_write, p, orig_prio, new_prio), + + TP_STRUCT__entry( + __field(dev_t, dev) + __array(char, comm, TASK_COMM_LEN) + __field(pid_t, pid) + __field(unsigned int, lock_name) + __field(bool, is_write) + __field(int, orig_prio) + __field(int, new_prio) + ), + + TP_fast_assign( + __entry->dev = sbi->sb->s_dev; + memcpy(__entry->comm, p->comm, TASK_COMM_LEN); + __entry->pid = p->pid; + __entry->lock_name = lock_name; + __entry->is_write = is_write; + __entry->orig_prio = orig_prio; + __entry->new_prio = new_prio; + ), + + TP_printk("dev = (%d,%d), comm: %s, pid: %d, lock_name: %s, " + "lock_type: %s, orig_prio: %d, new_prio: %d", + show_dev(__entry->dev), + __entry->comm, + __entry->pid, + show_lock_name(__entry->lock_name), + __entry->is_write ? "wlock" : "rlock", + __entry->orig_prio, + __entry->new_prio) +); + +DEFINE_EVENT(f2fs_priority_update, f2fs_priority_uplift, + + TP_PROTO(struct f2fs_sb_info *sbi, enum f2fs_lock_name lock_name, + bool is_write, struct task_struct *p, int orig_prio, + int new_prio), + + TP_ARGS(sbi, lock_name, is_write, p, orig_prio, new_prio) +); + +DEFINE_EVENT(f2fs_priority_update, f2fs_priority_restore, + + TP_PROTO(struct f2fs_sb_info *sbi, enum f2fs_lock_name lock_name, + bool is_write, struct task_struct *p, int orig_prio, + int new_prio), + + TP_ARGS(sbi, lock_name, is_write, p, orig_prio, new_prio) +); + #endif /* _TRACE_F2FS_H */ /* This part must be outside protection */ -- cgit v1.2.3