I am trying to print a value of type timeval. Actually I am able to print it, but I get the following warning: Multiple markers at this line format ‘%ld’ expects type ‘long int’, but argument 2 ...

This is from man getrusage struct rusage { struct timeval ru_utime; /* user time used */ struct timeval ru_stime; /* system time used */ long ru_maxrss; /* maximum resident set size */ long ru...

I would like to measure the system time it takes to execute some code. To do this I know I would sandwich said code between two calls to getrusage(), but I get some unexpected results... #include ...

This code void print_usage(char * msg) { struct rusage usage; getrusage(RUSAGE_SELF, &usage); printf("Limits: %s\n", msg); printf(" %s, %li\n", " maximum resident set size " , usage.ru_m...