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tracing: Add inter-event blurb to HIST_TRIGGERS config option

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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>
This commit is contained in:
Tom Zanussi 2018-01-15 20:52:10 -06:00 committed by Steven Rostedt (VMware)
parent 4708abc6c6
commit 89e270c1df
1 changed files with 4 additions and 1 deletions
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kernel/trace/Kconfig
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@ -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