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

0 vote400 views1 answer
Sshfs syntax with ssh key
Shell/Bash
0 vote335 views1 answer
Unset git commit encoding
Shell/Bash
1 vote304 views1 answer
No local configuration (i.e. .prettierrc or .editorconfig) detected, falling back to VS Code configuration prettier
Shell/Bash
3 votes358 views2 answers
Magento 2 file permissions
Shell/Bash
8 votes348 views4 answers
Create new git branch from existing branch
Shell/Bash
0 vote355 views1 answer
Nativescript create angular project
Shell/Bash
28 votes362 views5 answers
Ram usage in linux
Shell/Bash
0 vote316 views1 answer
Linux compile latex from konsole or terminal
Shell/Bash
0 vote311 views1 answer
Tcr test commit revert
Shell/Bash
0 vote329 views1 answer
Linux wc list of files
Shell/Bash