From: Tom Zanussi Date: Wed, 6 Dec 2017 16:38:17 -0600 Subject: [PATCH 36/37] tracing: Add inter-event blurb to HIST_TRIGGERS config option Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.6-rt7.tar.xz 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. Signed-off-by: Tom Zanussi Signed-off-by: Sebastian Andrzej Siewior --- kernel/trace/Kconfig | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -585,7 +585,10 @@ 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