docs: Fix typos in histogram.rst
This patch fixes some spelling typos.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst
index 5ac724b..7dda765 100644
--- a/Documentation/trace/histogram.rst
+++ b/Documentation/trace/histogram.rst
@@ -1765,7 +1765,7 @@
# 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 @@
/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 @@
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