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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>
hifive-unleashed-5.1
Masanari Iida 2018-10-13 10:30:57 +09:00 committed by Jonathan Corbet
parent 84253c8be3
commit aea74de4b2
1 changed files with 3 additions and 3 deletions
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6
Documentation/trace/histogram.rst
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@ -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