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| author | Gang Li <ligang.bdlg@bytedance.com> | 2021-11-05 13:39:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 13:30:36 -0700 |
| commit | 627ae8284f50f220e8285119ca1716069c1c6a4d (patch) | |
| tree | 4af4dd51a93a815baf332a3bea3d10c8e1b6fe2a /include/trace | |
| parent | f595e3411dcb664844eab807dfef61619eb9cf39 (diff) | |
| download | linux-627ae8284f50f220e8285119ca1716069c1c6a4d.tar.gz | |
mm: mmap_lock: use DECLARE_EVENT_CLASS and DEFINE_EVENT_FN
By using DECLARE_EVENT_CLASS and TRACE_EVENT_FN, we can save a lot of space from duplicate code. Link: https://lkml.kernel.org/r/20211009071243.70286-1-ligang.bdlg@bytedance.com Signed-off-by: Gang Li <ligang.bdlg@bytedance.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mmap_lock.h | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/include/trace/events/mmap_lock.h b/include/trace/events/mmap_lock.h index 5f980c92e3e9..14db8044c1ff 100644 --- a/include/trace/events/mmap_lock.h +++ b/include/trace/events/mmap_lock.h @@ -13,7 +13,7 @@ struct mm_struct; extern int trace_mmap_lock_reg(void); extern void trace_mmap_lock_unreg(void); -TRACE_EVENT_FN(mmap_lock_start_locking, +DECLARE_EVENT_CLASS(mmap_lock, TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write), @@ -36,11 +36,19 @@ TRACE_EVENT_FN(mmap_lock_start_locking, __entry->mm, __get_str(memcg_path), __entry->write ? "true" : "false" - ), - - trace_mmap_lock_reg, trace_mmap_lock_unreg + ) ); +#define DEFINE_MMAP_LOCK_EVENT(name) \ + DEFINE_EVENT_FN(mmap_lock, name, \ + TP_PROTO(struct mm_struct *mm, const char *memcg_path, \ + bool write), \ + TP_ARGS(mm, memcg_path, write), \ + trace_mmap_lock_reg, trace_mmap_lock_unreg) + +DEFINE_MMAP_LOCK_EVENT(mmap_lock_start_locking); +DEFINE_MMAP_LOCK_EVENT(mmap_lock_released); + TRACE_EVENT_FN(mmap_lock_acquire_returned, TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write, @@ -73,34 +81,6 @@ TRACE_EVENT_FN(mmap_lock_acquire_returned, trace_mmap_lock_reg, trace_mmap_lock_unreg ); -TRACE_EVENT_FN(mmap_lock_released, - - TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write), - - TP_ARGS(mm, memcg_path, write), - - TP_STRUCT__entry( - __field(struct mm_struct *, mm) - __string(memcg_path, memcg_path) - __field(bool, write) - ), - - TP_fast_assign( - __entry->mm = mm; - __assign_str(memcg_path, memcg_path); - __entry->write = write; - ), - - TP_printk( - "mm=%p memcg_path=%s write=%s", - __entry->mm, - __get_str(memcg_path), - __entry->write ? "true" : "false" - ), - - trace_mmap_lock_reg, trace_mmap_lock_unreg -); - #endif /* _TRACE_MMAP_LOCK_H */ /* This part must be outside protection */ |