Forked from griffman/Track CPU usage by PID over time
Created
February 11, 2010 14:44
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#!/bin/bash | |
# --- Version history --- | |
# 0.5: just for me, it takes two processes and two filenames so I can | |
# track a pair of processes | |
# 0.4: added variable to store file path, and $2 for base file name | |
# added variable to store desired reporting interval | |
# 0.3: added $1 to send in process ID at run time. | |
# 0.2: switched to $SECONDS for the loop. works. | |
# 0.1: didn't work well at all. | |
# --- Version history --- | |
# Usage: cputrack [PID] [filename] | |
# replace [PID] with process ID # | |
# replace [filename] with base file name to use (no extension) | |
filepath=/Users/blowery/tracks # modify as desired | |
interval=20 # reports per minute | |
timelimit=6000 # how long to run, in seconds | |
mydate=`date "+%H:%M:%S"` # the timestamp | |
freq=$((60/$interval)) # for sleep function | |
while [ "$SECONDS" -le "$timelimit" ] ; do | |
ps -p$1 -opid -opcpu -ocomm -c | grep $1 | sed "s/^/$mydate /" >> $filepath/$2.txt | |
ps -p$3 -opid -opcpu -ocomm -c | grep $3 | sed "s/^/$mydate /" >> $filepath/$4.txt | |
sleep 3 | |
mydate=`date "+%H:%M:%S"` | |
done |
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