int main(int argc,char **argv) {
uint64_t start,end;
char path[MAX_PATH_LEN + 1] = "/bin/";
if(argc < 2 || isHelpCmd(argc,argv))
usage(argv[0]);
strcat(path,argv[1]);
if(signal(SIGINT,sigHdlr) == SIG_ERR)
error("Unable to set sig-handler for signal %d",SIGINT);
start = rdtsc();
if((waitingPid = fork()) == 0) {
size_t i;
const char **args = (const char**)malloc(sizeof(char*) * (argc - 1));
if(!args)
error("Not enough mem");
for(i = 1; i < (size_t)argc; i++)
args[i - 1] = argv[i];
args[argc - 1] = NULL;
execvp(args[0],args);
error("Exec failed");
}
else if(waitingPid < 0)
error("Fork failed");
else {
sExitState state;
int res;
while(1) {
res = waitchild(&state,-1);
if(res != -EINTR)
break;
}
end = rdtsc();
if(res < 0)
error("Wait failed");
fprintf(stderr,"\n");
fprintf(stderr,"Process %d (%s) terminated with exit-code %d\n",state.pid,path,state.exitCode);
if(state.signal != SIG_COUNT)
fprintf(stderr,"It was terminated by signal %d\n",state.signal);
fprintf(stderr,"Runtime: %Lu us\n",state.runtime);
fprintf(stderr,"Realtime: %Lu us\n",tsctotime(end - start));
fprintf(stderr,"Scheduled: %lu times\n",state.schedCount);
fprintf(stderr,"Syscalls: %lu\n",state.syscalls);
fprintf(stderr,"Migrations: %lu\n",state.migrations);
fprintf(stderr,"Own mem: %lu KiB\n",state.ownFrames * 4);
fprintf(stderr,"Shared mem: %lu KiB\n",state.sharedFrames * 4);
fprintf(stderr,"Swapped: %lu KiB\n",state.swapped * 4);
}
return EXIT_SUCCESS;
}
int main(int argc,char *argv[]) {
size_t i;
if(argc < 2 || isHelpCmd(argc,argv)) {
fprintf(stderr,"Usage: %s <module> [...]\n",argv[0]);
fprintf(stderr," Available modules:\n");
for(i = 0; i < ARRAY_SIZE(modules); i++)
fprintf(stderr," %s\n",modules[i].name);
return EXIT_FAILURE;
}
for(i = 0; i < ARRAY_SIZE(modules); i++) {
if(strcmp(argv[1],modules[i].name) == 0)
return modules[i].func(argc,argv);
}
fprintf(stderr,"Module '%s' does not exist\n",argv[1]);
return EXIT_FAILURE;
}
int main(int argc,char **argv) {
char *fmt = (char*)"%c";
char str[MAX_DATE_LEN];
time_t now;
struct tm *date;
if((argc != 1 && argc != 2) || isHelpCmd(argc,argv)) {
fprintf(stderr,"Usage: %s [<format>]\n",argv[0]);
fprintf(stderr," <format> may be anything that dateToString() accepts\n");
return EXIT_FAILURE;
}
/* use format from argument? */
if(argc == 2)
fmt = argv[1];
now = time(NULL);
date = gmtime(&now);
strftime(str,sizeof(str),fmt,date);
puts(str);
return EXIT_SUCCESS;
}
