Linux c programm time

#include <time.h>

#define CPU_TIME (getrusage(RUSAGE_SELF,&ruse), ruse.ru_utime.tv_sec + \
  ruse.ru_stime.tv_sec + 1e-6 * \
  (ruse.ru_utime.tv_usec + ruse.ru_stime.tv_usec))

int main(void) {
    time_t start, end;
    double first, second;

    // Save user and CPU start time
    time(&start);
    first = CPU_TIME;

    // Perform operations
    ...

    // Save end time
    time(&end);
    second = CPU_TIME;

    printf("cpu  : %.2f secs\n", second - first); 
    printf("user : %d secs\n", (int)(end - start));
}

Source: stackoverflow.com

Similar codes

4 votes317 views2 answers
Pip reinstall
Shell/Bash
2 votes264 views6 answers
Anydesk: error while loading shared libraries: libpangox-1.0.so.0: cannot open shared object file: no such file or directory
Shell/Bash
23 votes281 views6 answers
Install express
Shell/Bash
1 vote259 views1 answer
Ubuntu photo viewer zoom in shortcut
Shell/Bash
0 vote285 views1 answer
Extract rpm in linux
Shell/Bash
0 vote269 views1 answer
Read last line file bash
Shell/Bash
5 votes293 views1 answer
Bash run multiple commands
Shell/Bash
41 votes296 views6 answers
Install material ui icons
Shell/Bash
2 votes329 views1 answer
Git stash changes before merge
Shell/Bash
7 votes300 views1 answer
Error: cannot install "code": classic confinement requires snaps under /snap or
Shell/Bash