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(parent: 6f6be60) | patch
ring-buffer: Add a little more information and a WARN when time stamp going backwards...
authorSteven Rostedt (VMware) <rostedt@goodmis.org>
Wed, 3 Mar 2021 23:23:40 +0000 (18:23 -0500)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Thu, 4 Mar 2021 14:45:17 +0000 (09:45 -0500)
commit6549de1fe34162d7ace8b870ae11ca6cae5b8609
tree0a599caa84e7417fc480554b156646bb4c4d4f8btree | snapshot
parent6f6be606e763f2da9fc21de00538c97fe4ca1492commit | diff
ring-buffer: Add a little more information and a WARN when time stamp going backwards is detected

When the CONFIG_RING_BUFFER_VALIDATE_TIME_DELTAS is enabled, and the time
stamps are detected as not being valid, it reports information about the
write stamp, but does not show the before_stamp which is still useful
information. Also, it should give a warning once, such that tests detect
this happening.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/trace/ring_buffer.c diff | blob | history
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