#!/usr/local/bin/perl
use strict;
my ($ct, $pcpu, $pname, $i, @outrecs, @matches, $process);
my $MaxUtil = 70;
my $sttotal = 0;
my $ct = 0;
foreach $i (1..5) {
@outrecs = `ps -efo pid,pcpu,fname`;
@matches = grep /ns-httpd/, @outrecs;
## Note: can have more than one ns-httpd running
## but we'll average it in as well
foreach (@matches) {
$ct++;
chomp;
($process, $pcpu, $pname) = split(" ");
$sttotal = $sttotal + $pcpu;
}
sleep(3);
}
my $pcpuavg = $sttotal / $ct;
The generated log file provides interesting data but I
haven't actually been able to make a correlation between
the restart time periods and the access or error logs:
PID TIME CPU% NAME
5257 Wed Aug 8 23:47:07 2001 2.88 ns-httpd
5257 Wed Aug 8 23:49:09 2001 2.84 ns-httpd
5257 Thu Aug 9 00:00:16 2001 4.10 ns-httpd
5257 Thu Aug 9 00:30:16 2001 1.98 ns-httpd
5257 Thu Aug 9 01:00:15 2001 4.16 ns-httpd
5257 Thu Aug 9 01:30:15 2001 2.46 ns-httpd
5257 Thu Aug 9 02:00:16 2001 1.00 ns-httpd
5257 Thu Aug 9 02:30:16 2001 0.70 ns-httpd
5257 Thu Aug 9 03:00:17 2001 1.28 ns-httpd
5257 Thu Aug 9 03:30:16 2001 0.86 ns-httpd
5257 Thu Aug 9 04:00:17 2001 1.52 ns-httpd
5257 Thu Aug 9 04:30:16 2001 0.90 ns-httpd
5257 Thu Aug 9 05:00:16 2001 87.10 ns-httpd
# Avg. Utilization: 87.10% higher than 70%.
# Thu Aug 9 05:00:28 2001 www server restarted.
PID TIME CPU% NAME
10158 Thu Aug 9 05:30:15 2001 0.34 ns-httpd
10158 Thu Aug 9 06:00:16 2001 2.66 ns-httpd
10158 Thu Aug 9 06:30:15 2001 0.52 ns-httpd
10158 Thu Aug 9 07:00:16 2001 86.20 ns-httpd
# Avg. Utilization: 86.20% higher than 70%.
# Thu Aug 9 07:00:25 2001 www server restarted.
PID TIME CPU% NAME
11405 Thu Aug 9 07:30:15 2001 4.92 ns-httpd
11405 Thu Aug 9 08:00:16 2001 6.60 ns-httpd
16991 Thu Aug 9 08:30:16 2001 14.48 ns-httpd
11405 Thu Aug 9 09:00:19 2001 12.51 ns-httpd
11405 Thu Aug 9 09:30:16 2001 14.30 ns-httpd
11405 Thu Aug 9 10:00:16 2001 17.70 ns-httpd
11405 Thu Aug 9 10:30:16 2001 18.10 ns-httpd
11405 Thu Aug 9 11:00:16 2001 15.18 ns-httpd
11405 Thu Aug 9 11:30:16 2001 22.18 ns-httpd
11658 Thu Aug 9 12:00:17 2001 17.62 ns-httpd
11405 Thu Aug 9 12:30:16 2001 13.72 ns-httpd
11405 Thu Aug 9 13:00:16 2001 18.22 ns-httpd
11405 Thu Aug 9 13:30:16 2001 14.30 ns-httpd
11405 Thu Aug 9 14:00:16 2001 15.08 ns-httpd
11405 Thu Aug 9 14:30:16 2001 14.62 ns-httpd
11405 Thu Aug 9 15:00:16 2001 14.18 ns-httpd
11405 Thu Aug 9 15:30:16 2001 10.04 ns-httpd
11405 Thu Aug 9 16:00:16 2001 13.34 ns-httpd
11405 Thu Aug 9 16:30:16 2001 16.72 ns-httpd
11405 Thu Aug 9 17:00:16 2001 11.86 ns-httpd
11405 Thu Aug 9 17:30:16 2001 8.84 ns-httpd
11405 Thu Aug 9 18:00:16 2001 5.76 ns-httpd
11405 Thu Aug 9 18:30:16 2001 8.26 ns-httpd
11405 Thu Aug 9 19:00:16 2001 7.68 ns-httpd
11405 Thu Aug 9 19:30:16 2001 4.64 ns-httpd
11405 Thu Aug 9 20:00:16 2001 3.44 ns-httpd
11405 Thu Aug 9 20:30:16 2001 10.34 ns-httpd
11405 Thu Aug 9 21:00:16 2001 4.92 ns-httpd
11405 Thu Aug 9 21:30:16 2001 8.28 ns-httpd
11405 Thu Aug 9 22:00:16 2001 4.92 ns-httpd
11405 Thu Aug 9 22:30:16 2001 3.32 ns-httpd
11405 Thu Aug 9 23:00:16 2001 3.06 ns-httpd
11405 Thu Aug 9 23:30:16 2001 3.12 ns-httpd
11405 Fri Aug 10 00:00:16 2001 4.20 ns-httpd
11405 Fri Aug 10 00:30:15 2001 3.20 ns-httpd
11405 Fri Aug 10 01:00:16 2001 2.34 ns-httpd
11405 Fri Aug 10 01:30:16 2001 4.72 ns-httpd
11405 Fri Aug 10 02:00:16 2001 0.60 ns-httpd
11405 Fri Aug 10 02:30:16 2001 1.26 ns-httpd
11405 Fri Aug 10 03:00:17 2001 85.22 ns-httpd
# Avg. Utilization: 85.22% higher than 70%.
# Fri Aug 10 03:00:29 2001 www server restarted.
PID TIME CPU% NAME
4859 Fri Aug 10 03:30:17 2001 1.42 ns-httpd
4859 Fri Aug 10 04:00:17 2001 0.38 ns-httpd
4859 Fri Aug 10 04:30:15 2001 0.16 ns-httpd
4859 Fri Aug 10 05:00:16 2001 0.34 ns-httpd
4859 Fri Aug 10 05:30:16 2001 0.22 ns-httpd
4859 Fri Aug 10 06:00:16 2001 0.44 ns-httpd
4859 Fri Aug 10 06:30:16 2001 0.54 ns-httpd
4859 Fri Aug 10 07:00:16 2001 3.52 ns-httpd
4859 Fri Aug 10 07:30:15 2001 2.14 ns-httpd
4859 Fri Aug 10 08:00:16 2001 4.74 ns-httpd
4859 Fri Aug 10 08:30:16 2001 14.14 ns-httpd
4859 Fri Aug 10 09:00:17 2001 7.65 ns-httpd
4859 Fri Aug 10 09:30:16 2001 14.46 ns-httpd
4859 Fri Aug 10 10:00:16 2001 14.40 ns-httpd
4859 Fri Aug 10 10:30:16 2001 7.67 ns-httpd
4859 Fri Aug 10 11:00:16 2001 11.72 ns-httpd
4859 Fri Aug 10 11:30:15 2001 14.84 ns-httpd
4859 Fri Aug 10 12:00:16 2001 12.70 ns-httpd
4859 Fri Aug 10 12:30:16 2001 10.70 ns-httpd
4859 Fri Aug 10 13:00:17 2001 75.44 ns-httpd
# Avg. Utilization: 75.44% higher than 70%.
# Fri Aug 10 13:00:28 2001 www server restarted.
PID TIME CPU% NAME
10115 Fri Aug 10 13:30:16 2001 13.78 ns-httpd
10115 Fri Aug 10 14:00:16 2001 10.00 ns-httpd
10115 Fri Aug 10 14:30:16 2001 6.76 ns-httpd
10115 Fri Aug 10 15:00:16 2001 9.42 ns-httpd
10115 Fri Aug 10 15:30:16 2001 82.92 ns-httpd
# Avg. Utilization: 82.92% higher than 70%.
# Fri Aug 10 15:30:27 2001 www server restarted.
PID TIME CPU% NAME
27219 Fri Aug 10 16:00:16 2001 14.63 ns-httpd
27219 Fri Aug 10 16:30:15 2001 11.72 ns-httpd
27219 Fri Aug 10 17:00:16 2001 7.20 ns-httpd
27219 Fri Aug 10 17:30:16 2001 5.38 ns-httpd
27219 Fri Aug 10 18:00:16 2001 2.98 ns-httpd
27219 Fri Aug 10 18:30:16 2001 6.62 ns-httpd
27219 Fri Aug 10 19:00:22 2001 74.63 ns-httpd
# Avg. Utilization: 74.63% higher than 70%.
# Fri Aug 10 19:00:36 2001 www server restarted.
PID TIME CPU% NAME
10103 Fri Aug 10 19:30:16 2001 4.70 ns-httpd
10103 Fri Aug 10 20:00:17 2001 3.77 ns-httpd
10103 Fri Aug 10 20:30:16 2001 4.94 ns-httpd
10103 Fri Aug 10 21:00:16 2001 2.78 ns-httpd
Note: I am still investigating the other suggestions.