Thread (3 messages) read the whole thread 3 messages, 3 authors, 2021-07-30

Re: [PATCH 1/3] mm: mmap_lock: remove redundant "\n" in TP_printk

From: Axel Rasmussen <axelrasmussen@google.com>
Date: 2021-07-29 17:25:59
Also in: lkml

Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>

On Thu, Jul 29, 2021 at 2:28 AM Gang Li [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Ftrace core will add "\n" automatically on print. "\n" in TP_printk
will create blank line, so remove it.

Signed-off-by: Gang Li <redacted>
---
 include/trace/events/mmap_lock.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/trace/events/mmap_lock.h b/include/trace/events/mmap_lock.h
index 0abff67b96f0..5f980c92e3e9 100644
--- a/include/trace/events/mmap_lock.h
+++ b/include/trace/events/mmap_lock.h
@@ -32,7 +32,7 @@ TRACE_EVENT_FN(mmap_lock_start_locking,
        ),

        TP_printk(
-               "mm=%p memcg_path=%s write=%s\n",
+               "mm=%p memcg_path=%s write=%s",
                __entry->mm,
                __get_str(memcg_path),
                __entry->write ? "true" : "false"
@@ -63,7 +63,7 @@ TRACE_EVENT_FN(mmap_lock_acquire_returned,
        ),

        TP_printk(
-               "mm=%p memcg_path=%s write=%s success=%s\n",
+               "mm=%p memcg_path=%s write=%s success=%s",
                __entry->mm,
                __get_str(memcg_path),
                __entry->write ? "true" : "false",
@@ -92,7 +92,7 @@ TRACE_EVENT_FN(mmap_lock_released,
        ),

        TP_printk(
-               "mm=%p memcg_path=%s write=%s\n",
+               "mm=%p memcg_path=%s write=%s",
                __entry->mm,
                __get_str(memcg_path),
                __entry->write ? "true" : "false"
--
2.20.1
  
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