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Code Issues Releases Wiki Activity

tracing: Fix documentation on tp_printk cmdline option 

kernel-parameters.txt incorrectly states that workings of
kernel.tracepoint_printk sysctl depends on "tracepoint_printk kernel
cmdline option", this is a bit misleading for new users since the actual
cmdline option name is tp_printk.

Fixes: 0daa230296 ("tracing: Add tp_printk cmdline to have tracepoints go to printk()")
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20240323231704.1217926-1-vt@altlinux.org
This commit is contained in:
Vitaly Chikunov 2024-03-24 02:17:04 +03:00 committed by Jonathan Corbet
parent 0ec69b3bed
commit b75d85218f
1 changed files with 1 additions and 1 deletions
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2
Documentation/admin-guide/kernel-parameters.txt
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@ -6599,7 +6599,7 @@
To turn off having tracepoints sent to printk,
echo 0 > /proc/sys/kernel/tracepoint_printk
Note, echoing 1 into this file without the
tracepoint_printk kernel cmdline option has no effect.
tp_printk kernel cmdline option has no effect.
The tp_printk_stop_on_boot (see below) can also be used
to stop the printing of events to console at