search for: pr_pctcpu

Displaying 2 results from an estimated 2 matches for "pr_pctcpu".

2007 Jan 10
0
[DTrace] %CPU, %Mem, %Disk and %Net by PID
...ewer 12047 0.01 0.13 0.00 0.01 rlogin 440 8.94 45.39 0.00 0.00 Xsun 12046 0.00 0.27 0.00 0.00 rlogin 90 0.00 0.09 0.00 0.00 syseventd ^C Wheee, I can see rcp''s %Net and %Disk! (oh, and it probably died too soon before I /proc/*/psinfo pr_pctcpu''d it. Not to worry, if it missed sampling then it would be unlikely to have had huge values there anyway (especially considering pr_pctcpu''s averaging algorithm over time))).... It''s on my dtrace site (http://www.brendangregg.com/DTrace/prustat). It can also do a prstat...
2006 Nov 29
7
how to debug context switching and mutex contentions?
I''m looking for a suggestion on a good way to hunt down the source of high context switching and mutex contentions... Is dtrace the way to go now, or should I stick with something like lockstat? Russ This is a 5 second interval for mpstat: CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 16 0 0 1115 1241 206 9095 912 2420 7393 0 12105 68 25