CPU usage

Thread Tools Search this Thread
Top Forums Programming CPU usage
# 1  
Old 11-24-2010
CPU usage

Hi all,

I'm using python and psutil a library to get system informations like cpu usage (percent) for a given process.
My question is if I have the value in % of the cpu usage how I could get the cpu usage in cycle number I mean not in percent?

Thanks a lot

# 2  
Old 11-24-2010
What does 'cycle number' even mean on a modern machine where different instructions take a different number of cycles and the CPU clock speed itself may vary over time?
# 3  
Old 11-24-2010
Try psutil.process get_cpu_times which returns a tuple.

You can then get the sum of cpu speed x each element of the tuple. That gives you cycles. psutil does not return cpu speed AFAIK or so the docset says. You can read the /proc/cpuinfo "file" on linux to get that information.
# 4  
Old 11-24-2010
yea sorry,

I meant that I would like to evaluate the load that a given process bring to the CPU but not in percent.
I'm giving a look around and found that I should refer to user time, system time, start time and current time for the given process and use:
(user-time+system-time)/(current time - start time)

# 5  
Old 11-24-2010
@corona - I think the OP wants a generalized solution - your comment is completely correct, however.
# 6  
Old 11-24-2010
I'll do

Thanks for help

Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. HP-UX

CPU Usage

Hi Experts, We encountered problem in one of the production system where some processes were taking higher CPU and after some time it came back to normal.. From system prespective, is there any way to check why processes took more cpu during that particular period. (16 Replies)
Discussion started by: sai_2507
16 Replies

2. AIX

Overall CPU Usage

Hi Guys, I am a newbie on the forum. This is my first post, so first of all I would like to introduce myself. I am a SAS Analyst programmer working for an Health Insurance client. SAS is installed on a 16 CPU AIX Server with partitions running with shared processor. I have couple of... (2 Replies)
Discussion started by: saurabhiim2003
2 Replies

3. AIX

How to monitor the IBM AIX server for I/O usage,memory usage,CPU usage,network..?

How to monitor the IBM AIX server for I/O usage, memory usage, CPU usage, network usage, storage usage? (3 Replies)
Discussion started by: laknar
3 Replies

4. Solaris

Multi CPU Solaris system shows 100% CPU usage.

Hello Friends, On one of my Solaris 10 box, CPU usage shows 100% using "sar", "vmstat". However, it has 4 CPUs and prstat and glance are not showing enough processes to justify high CPU utilization. ========================================================================= $ prstat -a ... (4 Replies)
Discussion started by: mahive
4 Replies

5. Solaris

current CPU usage, memory usage, disk I/O oid(snmp)

Hi, I want to monitor the current cpu usage, monitor usage , disk I/o and network utlization for solaris using SNMP. I want the oids for above tasks. can you please tell me that Thank you (2 Replies)
Discussion started by: S_venkatesh
2 Replies

6. HP-UX

how can I find cpu usage memory usage swap usage and logical volume usage

how can I find cpu usage memory usage swap usage and I want to know CPU usage above X% and contiue Y times and memory usage above X % and contiue Y times my final destination is monitor process logical volume usage above X % and number of Logical voluage above can I not to... (3 Replies)
Discussion started by: alert0919
3 Replies

7. Programming

Cpu usage

Hi all, When I have a below while loop in my code (This observation is same for C and Perl) i= 0; while(1) { i++; } for above the CPU uses goes beyond 49% on hp-ux machine, why cpu usage increase at this level for just a simple while loop? and if I have a single print statement... (2 Replies)
Discussion started by: zing_foru
2 Replies

8. UNIX for Advanced & Expert Users

Cpu Usage

System FreeBSD. Issue: I see that system idle = 0% in the same time top and other commands show that all process eat 0% of cpu. System calls 98% CPU states: 7.9% user, 0.0% nice, 91.8% system,<==!!! But top does not show any process which eats more than 0% Question: how can I see... (0 Replies)
Discussion started by: mirusnet
0 Replies

9. Programming

CPU usage and memory usage

Please tell me solaris functions/api for getting following information 1- Function that tells how much memory used by current process 2- Function that tells how much memory used by all running processes 3- Function that tells how much CPU is used by current process 4- Function that tells how... (1 Reply)
Discussion started by: mansoorulhaq
1 Replies

10. Programming

Monitor CPU usage and Memory Usage

how can i monitor usages of CPU, Memory, Hard disk etc. under SUN Solaries through a c program or java program i want to store that data into database so i can show it graphically thanks in advance (2 Replies)
Discussion started by: Gajanad Bihani
2 Replies
Login or Register to Ask a Question

Featured Tech Videos