sergiotarxz/nuttx
sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Correct a statement in the description of the time command

Browse Source
This commit is contained in:
Gregory Nutt 2015-12-31 10:23:00 -06:00
parent cb7d86f23b
commit f8836afc07
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/NuttShell.html
View File

@ -2652,8 +2652,9 @@ nsh> time "sleep 2"
nsh>
</pre></ul>
<p>
The additional 10 millseconds in this example is due primarily to the quantization error in the timing (this setup used a 10 millisecond periodic system timer).
Other sources of error could include the additional overhead of the time command execution itself which is included in the total.
The additional 10 millseconds in this example is due to the way that the sleep command works: It always waits one system clock tick longer than requested and this test setup used a 10 millisecond periodic system
timer.
Sources of error could include the additional overhead of the time command execution itself which is included in the total and various quantization errors.
</p>
<p>
Notice that: