static int process(const char *controller, const char *path, Hashmap *a, Hashmap *b, unsigned iteration) {
Group *g;
int r;
- FILE *f;
+ FILE *f = NULL;
pid_t pid;
unsigned n;
return r;
}
} else {
- assert_se(hashmap_move_one(a, b, path) == 0);
+ r = hashmap_move_one(a, b, path);
+ if (r < 0)
+ return r;
g->cpu_valid = g->memory_valid = g->io_valid = g->n_tasks_valid = false;
}
}
}
static void help(void) {
-
printf("%s [OPTIONS...]\n\n"
"Show top control groups by their resource usage.\n\n"
" -h --help Show this help\n"
" -d --delay=DELAY Delay between updates\n"
" -n --iterations=N Run for N iterations before exiting\n"
" -b --batch Run in batch mode, accepting no input\n"
- " --depth=DEPTH Maximum traversal depth (default: %d)\n",
- program_invocation_short_name, arg_depth);
-}
-
-static void version(void) {
- puts(PACKAGE_STRING " cgtop");
+ " --depth=DEPTH Maximum traversal depth (default: %u)\n"
+ , program_invocation_short_name, arg_depth);
}
static int parse_argv(int argc, char *argv[]) {
{ "batch", no_argument, NULL, 'b' },
{ "depth", required_argument, NULL, ARG_DEPTH },
{ "cpu", optional_argument, NULL, ARG_CPU_TYPE},
- { NULL, 0, NULL, 0 }
+ {}
};
int c;
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0)
switch (c) {
return 0;
case ARG_VERSION:
- version();
+ puts(PACKAGE_STRING);
+ puts(SYSTEMD_FEATURES);
return 0;
case ARG_CPU_TYPE:
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
- }
if (optind < argc) {
log_error("Too many arguments.");
if (r <= 0)
goto finish;
- a = hashmap_new(string_hash_func, string_compare_func);
- b = hashmap_new(string_hash_func, string_compare_func);
+ a = hashmap_new(&string_hash_ops);
+ b = hashmap_new(&string_hash_ops);
if (!a || !b) {
r = log_oom();
goto finish;
if (r == -ETIMEDOUT)
continue;
if (r < 0) {
- log_error("Couldn't read key: %s", strerror(-r));
+ log_error_errno(r, "Couldn't read key: %m");
goto finish;
}
}
group_hashmap_free(b);
if (r < 0) {
- log_error("Exiting with failure: %s", strerror(-r));
+ log_error_errno(r, "Exiting with failure: %m");
return EXIT_FAILURE;
}