Re: Interesting sleep() side-effect
| From: | Dave Walton | Date: | Wed, 27 Jan 1999 23:30:19 +0000 |
| Subject: | Re: Interesting sleep() side-effect | ||
| References: | 1 | Groups: | php.dev |
| Request: | Send a blank email to php-dev+get-3757@lists.php.net to get a copy of this message | ||
On 27 Jan 99, at 7:51, Rasmus Lerdorf wrote:
> If you run the script again with the sleep() call left
> in, could you time it with a watch and see if it takes exactly 75 seconds
> (assuming $i gets to 70)? I think that is what I am seeing here, but I am
> not sure.
I don't have a watch handy, so I'll just use the computer instead. :)
> It is as if the time spent in the sleep() call does not count.
That's what it looks like. Notice that sleep() time does not count
as user time...
No sleep():
# /usr/bin/time php test.php3
..................................................................
..............<br>62
..................................................................
..............<br><br>
<b>Fatal error</b>: Maximum execution time of 30 seconds
exceeded in <b>test.php3</b> on line <b>13</b><br>
5.13 real 4.94 user 0.01 sys
1140 maximum resident set size
393 average shared memory size
647 average unshared data size
128 average unshared stack size
76 page reclaims
0 page faults
0 swaps
0 block input operations
1 block output operations
0 messages sent
0 messages received
1 signals received
1 voluntary context switches
309 involuntary context switches
With sleep():
# /usr/bin/time -l php test.php3
..................................................................
..............<br>69
..................................................................
..............<br><br>
<b>Fatal error</b>: Maximum execution time of 30 seconds
exceeded in <b>test.php3</b> on line <b>13</b><br>
74.85 real 5.43 user 0.01 sys
1152 maximum resident set size
397 average shared memory size
654 average unshared data size
129 average unshared stack size
78 page reclaims
0 page faults
0 swaps
0 block input operations
1 block output operations
0 messages sent
0 messages received
70 signals received
70 voluntary context switches
322 involuntary context switches
Dave
----------------------------------------------------------------------
Dave Walton
Webmaster, Postmaster Emusic
walton@emusic.com http://www.emusic.com
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