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| author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2018-01-15 20:52:10 -0600 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-03-10 16:06:05 -0500 |
| commit | 89e270c1df0c56d6ce3c2d9ed3347b527c684b16 (patch) | |
| tree | 2e91f229980899356a185fbf9bd7c87a5c0330da /kernel/trace/Kconfig | |
| parent | 4708abc6c68b41a656afb431818d5c57d7fdfd24 (diff) | |
| download | lwn-89e270c1df0c56d6ce3c2d9ed3347b527c684b16.tar.gz lwn-89e270c1df0c56d6ce3c2d9ed3347b527c684b16.zip | |
tracing: Add inter-event blurb to HIST_TRIGGERS config option
So that users know that inter-event tracing is supported as part of
the HIST_TRIGGERS option, include text to that effect in the help
text.
Link: http://lkml.kernel.org/r/a38e24231d8d980be636b56d35814570acfd167a.1516069914.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 0b249e2f0c3c..c4f0f2e4126e 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -606,7 +606,10 @@ config HIST_TRIGGERS event activity as an initial guide for further investigation using more advanced tools. - See Documentation/trace/events.txt. + Inter-event tracing of quantities such as latencies is also + supported using hist triggers under this option. + + See Documentation/trace/histogram.txt. If in doubt, say N. config MMIOTRACE_TEST |