Program to know the details of a core in processor

Asked Jan 06 '14 at 21:39

Active Jan 12 '14 at 04:58

Viewed 141 times

How to know a particular thread is running on which core of the processor? And how can I change the cpu core to execution of particular process in Linux?

and here is the system calls to know how many cores are there in current cpu in linux:

sysconf(_SC_NPROCESSORS_ONLN);

edited Jan 12 '14 at 04:58

Shafik Yaghmour

148,593
36
425
712

asked Jan 06 '14 at 21:39

sgsudhir

1

that's a job for ... libnuma ! ( and related tools ) – user2485710 Jan 06 '14 at 21:41
3

What's your intention? That might influence what answer should be given. – usr Jan 06 '14 at 21:41
1

What is your threading implementation? PThreads? C11 native threads? – Robert Harvey Jan 06 '14 at 21:42
2

Related: http://stackoverflow.com/q/5819655 – Robert Harvey Jan 06 '14 at 21:42
2

Why install a dog and bark yourself? – Martin James Jan 07 '14 at 00:30
You could parse `/proc/cpuinfo` ... – Basile Starynkevitch Jan 07 '14 at 06:39
1

Maybe this can help you: http://man7.org/linux/man-pages/man3/pthread_setaffinity_np.3.html – mcleod_ideafix Jan 12 '14 at 05:12

Program to know the details of a core in processor

0 Answers0