static int
get_usage(ProcFamilyClient& pfc, int argc, char* argv[])
{
if (argc > 2) {
fprintf(stderr,
"error: argument synopsis for %s: [<pid>]\n",
argv[0]);
return 1;
}
pid_t pid = 0;
if (argc == 2) {
pid = atoi(argv[1]);
if (pid == 0) {
fprintf(stderr, "error: invalid pid: %s\n", argv[1]);
return 1;
}
}
ProcFamilyUsage pfu;
bool success;
if (!pfc.get_usage(pid, pfu, success)) {
fprintf(stderr, "error: communication error with ProcD\n");
return 1;
}
if (!success) {
fprintf(stderr,
"error: %s command failed with ProcD\n",
argv[0]);
return 1;
}
printf("Number of Processes: %d\n", pfu.num_procs);
printf("User CPU Time (s): %ld\n", pfu.user_cpu_time);
printf("System CPU Time (s): %ld\n", pfu.sys_cpu_time);
printf("CPU Percentage (%%): %f\n", pfu.percent_cpu);
printf("Maximum Image Size (KB): %lu\n", pfu.max_image_size);
printf("Total Image Size(KB): %lu\n", pfu.total_image_size);
if (pfu.total_proportional_set_size_available) {
printf("Proportional Set Size (KB): %lu\n", pfu.total_proportional_set_size);
}
if (pfu.block_read_bytes >= 0)
printf("Bytes read from block devices (KB): %lu\n", pfu.block_read_bytes/1024);
if (pfu.block_write_bytes >= 0)
printf("Bytes written to block devices (KB): %lu\n", pfu.block_write_bytes/1024);
return 0;
}
