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authorDave Young <hidave.darkstar@gmail.com>2009-09-22 16:43:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 07:39:28 -0700
commitaf91322ef3f29ae4114e736e2a72e28b4d619cf9 (patch)
treedebba08531c7dd78b90b5d8f2c03f6bf7c9e7877 /tools/perf/builtin-timechart.c
parent3a3b6ed2235f2f619889dd6096e24b6d93bf3339 (diff)
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printk: add printk_delay to make messages readable for some scenarios
When syslog is not possible, at the same time there's no serial/net console available, it will be hard to read the printk messages. For example oops/panic/warning messages in shutdown phase. Add a printk delay feature, we can make each printk message delay some milliseconds. Setting the delay by proc/sysctl interface: /proc/sys/kernel/printk_delay The value range from 0 - 10000, default value is 0 [akpm@linux-foundation.org: fix a few things] Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
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