[for-next][PATCH 37/46] tracing: Add inter-event blurb to HIST_TRIGGERS config option

From: Steven Rostedt
Date: Tue Mar 20 2018 - 22:24:56 EST


From: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
kernel/trace/Kconfig | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

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
--
2.15.1