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Full Discussion: Monitor Memory of a process
Top Forums UNIX for Dummies Questions & Answers Monitor Memory of a process Post 302335257 by DeCoTwc on Saturday 18th of July 2009 01:57:46 AM
Old 07-18-2009
This is something I through together once when I had to do something similar. (Actually at the time it was a one liner, but I'm really bored at the moment, so I played around)

Code:
(01:40:26+deco@DeCoBuntu)
[~]$cat track
#!/bin/bash
if [[ -z $1 ]];then
echo "Usage: `basename $0` <process to watch> <delay between checks>"
echo "If Delay not specified, default is 5 seconds"
exit
fi

usage=`top -b1 -n1|grep -i $1|awk '{print $10}'`
while true
do 
echo -ne "$1 is using $usage percent of the total memory"
echo -ne "\r"
if [[ -n $2 ]];then
sleep $2
else
sleep 5
fi
usage=`top -b1 -n1|grep -i $1|awk '{print $10}'`
done
(01:42:10+deco@DeCoBuntu)
[~]$./track
Usage: track <process to watch> <delay between checks>
If Delay not specified, default is 5 seconds
(01:45:45+deco@DeCoBuntu)
[~]$./track firefox 2
firefox is using 16.5 percent of the total memory

I'm pretty certain the switches on top could be done better, but honestly, I'm not very good at this kind of thing.
 

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LEARN ABOUT CENTOS

afgetdataoffset

AFGETFRAMECOUNT(3)														AFGETFRAMECOUNT(3)

NAME

       afGetFrameCount, afGetTrackBytes, afGetDataOffset - get the total sample frame count, length of audio track in bytes, offset of the audio
       track for a track in an audio file

SYNOPSIS

       #include <audiofile.h>

       AFframecount afGetFrameCount (AFfilehandle file, int track);

       AFfileoffset afGetTrackBytes (AFfilehandle file, int track);

       AFfileoffset afGetDataOffset (AFfilehandle file, int track);

PARAMETERS

       file is an audio file handle created by a previous call to afOpenFile(3).

       track is an integer which specifies an audio track within file. All supported file formats contain exactly one audio track per file, so the
       constant AF_DEFAULT_TRACK should always be used.

DESCRIPTION

       afGetFrameCount returns the total number of sample frames contained within the specified track of the specified file.

       Each sample frame of audio consists of a fixed number of samples (equal to the number of audio channels in the track. For monaural data, a
       sample frame consists of one audio sample. For stereophonic data, a sample frame consists of a stereo pair.

       afGetTrackBytes returns the total number of bytes of raw audio data (i.e., prior to decompression or conversion) in the track.

       afGetDataOffset returns the offset in bytes of the start of the audio data contained within the specified track of the specified file.

RETURN VALUE

       afGetFrameCount returns the total number of sample frames in track.

       afGetTrackBytes returns the total number of bytes of audio data in track.

       afGetDataOffset returns the offset in bytes to the beginning of the audio data in track.

       Each of these routines returns -1 in case of error.

AUTHOR

       Michael Pruett <michael@68k.org>

Audio File Library 0.3.6					    03/06/2013							AFGETFRAMECOUNT(3)
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