From aea74de4b216cdacda797d54220b8ac19daa1bf7 Mon Sep 17 00:00:00 2001 From: Masanari Iida Date: Sat, 13 Oct 2018 10:30:57 +0900 Subject: docs: Fix typos in histogram.rst This patch fixes some spelling typos. Signed-off-by: Masanari Iida Acked-by: Randy Dunlap Acked-by: Steven Rostedt (VMware) Signed-off-by: Jonathan Corbet --- Documentation/trace/histogram.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Documentation/trace/histogram.rst') diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst index 5ac724baea7d..7dda76503127 100644 --- a/Documentation/trace/histogram.rst +++ b/Documentation/trace/histogram.rst @@ -1765,7 +1765,7 @@ For example, here's how a latency can be calculated:: # echo 'hist:keys=pid,prio:ts0=common_timestamp ...' >> event1/trigger # echo 'hist:keys=next_pid:wakeup_lat=common_timestamp-$ts0 ...' >> event2/trigger -In the first line above, the event's timetamp is saved into the +In the first line above, the event's timestamp is saved into the variable ts0. In the next line, ts0 is subtracted from the second event's timestamp to produce the latency, which is then assigned into yet another variable, 'wakeup_lat'. The hist trigger below in turn @@ -1811,7 +1811,7 @@ the command that defined it with a '!':: /sys/kernel/debug/tracing/synthetic_events At this point, there isn't yet an actual 'wakeup_latency' event -instantiated in the event subsytem - for this to happen, a 'hist +instantiated in the event subsystem - for this to happen, a 'hist trigger action' needs to be instantiated and bound to actual fields and variables defined on other events (see Section 2.2.3 below on how that is done using hist trigger 'onmatch' action). Once that is @@ -1837,7 +1837,7 @@ output can be displayed by reading the event's 'hist' file. A hist trigger 'action' is a function that's executed whenever a histogram entry is added or updated. -The default 'action' if no special function is explicity specified is +The default 'action' if no special function is explicitly specified is as it always has been, to simply update the set of values associated with an entry. Some applications, however, may want to perform additional actions at that point, such as generate another event, or -- cgit v1.2.3