[PATCH v6 36/37] tracing: Add inter-event blurb to HIST_TRIGGERS config option

From: Tom Zanussi
Date: Fri Nov 17 2017 - 15:37:59 EST

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

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
kernel/trace/Kconfig | 3 +++
1 file changed, 3 insertions(+)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index b8395a0..b01536d 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -596,6 +596,9 @@ config HIST_TRIGGERS
event activity as an initial guide for further investigation
using more advanced tools.

+ Inter-event tracing of quantities such as latencies is also
+ supported using hist triggers under this option.
See Documentation/trace/events.txt.
If in doubt, say N.