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tracing: Add tp_printk_stop_on_boot option
authorSteven Rostedt (VMware) <rostedt@goodmis.org>
Thu, 17 Jun 2021 14:51:02 +0000 (10:51 -0400)
committerSteven Rostedt (VMware) <rostedt@goodmis.org>
Thu, 17 Jun 2021 15:01:15 +0000 (11:01 -0400)
commitf38601368f4a0c2a9f859511768dc3957e2e1769
tree5297b6bc5a3f9c90c0dab4b48114172be15513b5tree | snapshot
parent8f0901cda14d3be38cd2196d8cf61cdf3b368e34commit | diff
tracing: Add tp_printk_stop_on_boot option

Add a kernel command line option that disables printing of events to
console at late_initcall_sync(). This is useful when needing to see
specific events written to console on boot up, but not wanting it when
user space starts, as user space may make the console so noisy that the
system becomes inoperable.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Documentation/admin-guide/kernel-parameters.txt diff | blob | history
kernel/trace/trace.c diff | blob | history
Domain: System / Kernel;