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Measuring CPU clocks consumed by a process


Measuring CPU clocks consumed by a process

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Measuring CPU clocks consumed by a process
Tag : c , By : pttr
Date : January 02 2021, 06:48 AM


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Consumed memory per process


Tag : cpp , By : NewGirl
Date : March 29 2020, 07:55 AM
like below fixes the issue Try parsing /proc/self/maps or /proc/$PID/maps . Look for a line marked [heap].

cpu time consumed by a process and its threads


Tag : .net , By : Valentine
Date : March 29 2020, 07:55 AM
like below fixes the issue Process Uptime is the amount of wall clock (I think) time that passed between the first thread starting and the last thread ending.
You need to look at User time: 0 days 0:26:24.000, that is what all those lines should add up to. To get the total CPU time used you need to do User Time + Kernel Time

`clock()` gives usual clocks instead of CPU clocks


Tag : cpp , By : TBG
Date : March 29 2020, 07:55 AM
seems to work fine I used to take clock() to get CPU time of my algorithms. However, it does not seem to work anymore. I have a Windows 10 VM with 8 CPUs as also seen in the resource monitor. , Yeah, it's broken on Windows.

What do matrix clocks solve but vector clocks can't?


Tag : development , By : zdyne
Date : March 29 2020, 07:55 AM

Number of clocks consumed by same functions changes drastically depending on its order of execution


Tag : c , By : RichAA
Date : March 29 2020, 07:55 AM
To fix this issue I was able to reproduce your original result (with a minor tweak to print the time correctly): https://ideone.com/ilQcmU.
Then I made a version that didn't time the call to printf, since that's slow and unrelated to the thing you're timing: https://ideone.com/gVC01c.
...
int result;
start = clock();
result = seqsearch(arr,20000,search);
end = clock();
printf("\nSearch for %d :%d\n",search, result);
consumed = end - start;
printf("No. of clocks consumed = %ld\n",consumed);
time = (double)consumed/CLOCKS_PER_SEC;
printf("Runtime = %lf\n",time);
...
Search for 17777 :17777
No. of clocks consumed = 10
Runtime = 0.000010

Search for 17777 :17777
No.of clocks consumed:9
Runtime:0.000009
...
int result, i;
for(i = 0; i < 10; i++) {
    start = clock();
    result = seqsearch(arr,20000,search);
    end = clock();
    printf("\nSearch for %d :%d\n",search, result);
    consumed = end - start;
    printf("No. of clocks consumed = %ld\n",consumed);
    time = (double)consumed/CLOCKS_PER_SEC;
    printf("Runtime = %lf\n",time);
}
...
...
int i;
for(i = 0; i < 10; i++) {
    start = clock();
    printf("\nSearch for %d :%d\n",search, seqsearch(arr,20000,search));
    end = clock();
...
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