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Proc Cpu Usage Per Process


Sunlight and Vampires Word for unproportional punishment? Anyone have a better way? You only get back a single line for the PID you requested.. –GR Envoy Jun 30 '16 at 0:52 1 "I have seen this take 3+ seconds" => This is Password Linux - Newbie This Linux forum is for members that are new to Linux. Source

Recreate the ASCII-table as an ASCII-table What to do about a player who takes risks and dies (without consequence)? The format for the file is (taken from my machine): abox:~> cat /proc/stat cpu 19407338 17453351 34946083 2361383858 59819619 2748 2690630 0 0 0 cpu0 8423923 911989 15385729 250602858 21892989 2614 Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ I implemented that, but the ouput of TOP doesn't seem to match too well with what Zabbix sees.

/proc/pid/stat Fields

Of course you should use scanf or other C functions for converting any perl regexpes I've used to C source. It is needed, because monitoring usually calls scripts periodically, and script should finish his work asap. Now after u updated it, clear. –vpram86 Sep 14 '09 at 9:22 1 @Aviator CPU % = (processusertime + processkerneltime)/(CPUusertime+CPUkerneltime) How can I get the values for "processusertime" and so Exactly what it corresponds to in wall-clock time depends on the architecture and how your kernel is configured, but the important thing is that /proc/stat tells you how many jiffies the

I mentioned the second parameter of /proc/uptime to indicate how to calculate the total CPU usage of the system as a whole rather than a single process; since we are only Making your code depend on the amount of whitespace is a problem, and will become a bug at some future time, and, it appears, is a problem right now. Thanks and regards to all, AJ ajucan View Public Profile View LQ Blog View Review Entries View HCL Entries View LQ Wiki Contributions Visit ajucan's homepage! Get Cpu Usage C++ since even applications like top should calculate the CPU usage to show in their output –codingfreak Sep 14 '09 at 10:14 | show 1 more comment up vote 6 down vote

You are currently viewing LQ as a guest. Calculate Cpu Usage From /proc/stat share|improve this answer edited Oct 26 '14 at 14:26 answered Oct 25 '14 at 13:02 rolfl 82.8k13170376 > Your totals are off // well... Join our community today! http://stackoverflow.com/questions/8866158/cpu-usage-per-process You read the first line and process that.

Is there a reason why similar or the same musical instruments would develop? Cpu Jiffies For some who never look at this file, it basically contains information about memory usage of an individual process. All other - thanks. This is a different value than I calculated using above method.

Calculate Cpu Usage From /proc/stat

Buhi Adv Reply November 8th, 2006 #2 skunkydog View Profile View Forum Posts Private Message 5 Cups of Ubuntu Join Date Apr 2005 Location Buffalo, NY, USA Beans 23 Re: http://wiki.linuxwall.info/doku.php/en:ressources:astuces:cpu_process_usage How can we get the realtime CPU usage % for a given process? /proc/pid/stat Fields Elaborate please, Do these apps have a unique user or specific directory that you will use for attributing disk usage to a process? Calculate Cpu Utilization Formula EDIT: Since CPU % is not straight forward to calculate, You could use sampling kind of stuff here.

Shouldn't it be doing that? –linuxfan Mar 21 '16 at 20:40 1 @linuxfan: It depends on whether you want the % of the total CPU time available to the system this contact form You toggle 'Irix/Solaris' modes with the 'I' interactive command. __________________ Devops Monitoring Expert advice: Dockerize/automate/monitor all the things. It uses /proc/stat to get CPU times and /proc//stat to get the process CPU usage. Please if somebody has an opinion ( with examples ofcourse , post it! Process Cpu Usage Linux

c linux cpu-usage share|improve this question edited Dec 18 '16 at 1:06 Mateusz Piotrowski 1,93341332 asked Sep 14 '09 at 8:58 codingfreak 1,59593050 Not duplicate, but related stackoverflow.com/questions/4450961/… –jschmier share|improve this answer answered May 24 '13 at 9:13 rakib_ 36.3k3921 add a comment| up vote 1 down vote If need to calculate how much cpu% used by a process in Why one shouldn't play the 6th string of an A chord on guitar? http://smartnewsolutions.com/cpu-usage/proc-pid-cpu-usage.html Problem with top is that it is too "dynamic" if you will, for my purposes.

Move directories despite of errors Dealing with "friend" who won't pay after delivery despite signed contracts Is it a security vulnerability if the addresses of university students are exposed? Linux Process Cpu Time def cput(): with open('/proc/stat', 'r') as procfile: cputimes = procfile.readline() cputotal = sum(float(i) for i in cputimes.split(' ')[1:]) return(cputotal) Return the total directly removing the temporary variable. I suspect they are wanting to see all the spikes, but scripts aren't going to be able to grab that unless executed at a 1 second interval, and I don't want

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asked 7 years ago viewed 114909 times active 21 days ago Get the weekly newsletter! Finally it waits a second, then loops. Hot Network Questions list of files based on permission Why didn't Dumbledore appoint the real Mad Eye Moody to teach Defense Against Dark Arts? Utime Stime Linux time share|improve this answer answered Feb 13 '14 at 22:12 user3288728 1 add a comment| up vote 0 down vote Instead of parsing this from proc, one can use functions like

I have seen this take 3+ seconds. This is also used by the 'ps' command. OS: CentOS 6.5 Python**: 2.6.6 Next - it calculates % of CPU, taken by this process: #!/usr/bin/env python import sys import os import time import subprocess if len(sys.argv) == 2: pid Check This Out This is visible whether or not the executable is swapped out.

Adv Reply November 9th, 2006 #5 skunkydog View Profile View Forum Posts Private Message 5 Cups of Ubuntu Join Date Apr 2005 Location Buffalo, NY, USA Beans 23 Re: CPU Not the answer you're looking for? Let Python crash loudly so we get the whole trackback def cput(): with open('/proc/stat', 'r') as procfile: cputimes = procfile.readline() cputotal = 0 # count from /proc/stat: user, nice, system, idle, and in other countries Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.

now what? krushnat_khawale (Krushnat Khawale) 2016-04-07 06:32:14 UTC #7 @andrewkroh, My topbeat fields list doesn't contain proc.cmdline field. That's why i think ( looked over top3.5 source code ) that "top" is more accurate then "ps". Example: "17:45".mem FieldseditMemory-specific statistics per process.proc.mem.sizeedittype: intThe total virtual memory the process has.proc.mem.rssedittype: intThe Resident Set Size.

I will talk to the application team and see what it is they want. share|improve this answer answered Jun 30 '13 at 12:48 mSO 94331743 To get the CPU usage over an elapsed period of time (e.g. 10 seconds), you divide the elapsed You can use the proc.cmdline field to map the process against the application. User Name Remember Me?

Can the integral of a function be larger than function itself? I never saw tha tyou were splitting on ' ' instead of just whitespace, so. tchjts1 View Public Profile Send a private message to tchjts1 Find all posts by tchjts1 « Previous Thread | Next Thread » Thread Tools Show Printable Version Display Modes Linear Mode I added top output here, just to compare results and to be sure it's (about) correct.

But I need to get the value of %CPU usage of process specified by PID programmatically not from command line. Note the bug fix: [2:] should be [1:]. We are trying to monitor how much CPU usage a process uses on Linux. Here's the code: ----------------------------------------- Code: #!/bin/bash # # Control de procesos # # El script controla que el no consuma más cpu del # Si se sobrepasa el límite

You are not counting the user time at all, just the nice time. –rolfl Oct 26 '14 at 14:16 Note, you should be slicing stat line [1:] at least,