Exemple #1
0
int
main(int argc, char **argv)
{
	int c, todo;
	u_int interval;		/* milliseconds */
	int reps;
	char *memf, *nlistf;
	char errbuf[_POSIX2_LINE_MAX];

	memf = nlistf = NULL;
	interval = reps = todo = 0;
	maxshowdevs = 2;
	while ((c = getopt(argc, argv, "c:fiM:mN:n:p:stvw:z")) != -1) {
		switch (c) {
		case 'c':
			reps = atoi(optarg);
			break;
		case 'f':
#ifdef notyet
			todo |= FORKSTAT;
#else
			errx(EX_USAGE, "sorry, -f is not (re)implemented yet");
#endif
			break;
		case 'i':
			todo |= INTRSTAT;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			todo |= MEMSTAT;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 'n':
			nflag = 1;
			maxshowdevs = atoi(optarg);
			if (maxshowdevs < 0)
				errx(1, "number of devices %d is < 0",
				     maxshowdevs);
			break;
		case 'p':
			if (buildmatch(optarg, &matches, &num_matches) != 0)
				errx(1, "%s", devstat_errbuf);
			break;
		case 's':
			todo |= SUMSTAT;
			break;
		case 't':
#ifdef notyet
			todo |= TIMESTAT;
#else
			errx(EX_USAGE, "sorry, -t is not (re)implemented yet");
#endif
			break;
		case 'v':
			++verbose;
			break;
		case 'w':
			interval = (u_int)(strtod(optarg, NULL) * 1000.0);
			break;
		case 'z':
			todo |= ZMEMSTAT;
			break;
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (todo == 0)
		todo = VMSTAT;

	/*
	 * Discard setgid privileges if not the running kernel so that bad
	 * guys can't print interesting stuff from kernel memory.
	 */
	if (nlistf != NULL || memf != NULL)
		setgid(getgid());

	kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
	if (kd == NULL)
		errx(1, "kvm_openfiles: %s", errbuf);

	if ((c = kvm_nlist(kd, namelist)) != 0) {
		if (c > 0) {
			warnx("undefined symbols:");
			for (c = 0; c < (int)__arysize(namelist); c++)
				if (namelist[c].n_type == 0)
					fprintf(stderr, " %s",
					    namelist[c].n_name);
			fputc('\n', stderr);
		} else
			warnx("kvm_nlist: %s", kvm_geterr(kd));
		exit(1);
	}

	if (todo & VMSTAT) {
		struct winsize winsize;

		/*
		 * Make sure that the userland devstat version matches the
		 * kernel devstat version.  If not, exit and print a
		 * message informing the user of his mistake.
		 */
		if (checkversion() < 0)
			errx(1, "%s", devstat_errbuf);


		argv = getdrivedata(argv);
		winsize.ws_row = 0;
		ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
		if (winsize.ws_row > 0)
			winlines = winsize.ws_row;

	}

#define	BACKWARD_COMPATIBILITY
#ifdef	BACKWARD_COMPATIBILITY
	if (*argv) {
		interval = (u_int)(strtod(*argv, NULL) * 1000.0);
		if (*++argv)
			reps = atoi(*argv);
	}
#endif

	if (interval) {
		if (!reps)
			reps = -1;
	} else if (reps) {
		interval = 1000;
	}

#ifdef notyet
	if (todo & FORKSTAT)
		doforkst();
#endif
	if (todo & MEMSTAT)
		domem();
	if (todo & ZMEMSTAT)
		dozmem();
	if (todo & SUMSTAT)
		dosum();
#ifdef notyet
	if (todo & TIMESTAT)
		dotimes();
#endif
	if (todo & INTRSTAT)
		dointr();
	if (todo & VMSTAT)
		dovmstat(interval, reps);
	exit(0);
}
Exemple #2
0
int
main(int argc, char *argv[])
{
	int c, todo;
	unsigned int interval;
	float f;
	int reps;
	char *memf, *nlistf;
	char errbuf[_POSIX2_LINE_MAX];

	memf = nlistf = NULL;
	interval = reps = todo = 0;
	maxshowdevs = 2;
	hflag = isatty(1);
	while ((c = getopt(argc, argv, "ac:fhHiM:mN:n:Pp:stw:z")) != -1) {
		switch (c) {
		case 'a':
			aflag++;
			break;
		case 'c':
			reps = atoi(optarg);
			break;
		case 'P':
			Pflag++;
			break;
		case 'f':
			todo |= FORKSTAT;
			break;
		case 'h':
			hflag = 1;
			break;
		case 'H':
			hflag = 0;
			break;
		case 'i':
			todo |= INTRSTAT;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			todo |= MEMSTAT;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 'n':
			nflag = 1;
			maxshowdevs = atoi(optarg);
			if (maxshowdevs < 0)
				errx(1, "number of devices %d is < 0",
				     maxshowdevs);
			break;
		case 'p':
			if (devstat_buildmatch(optarg, &matches, &num_matches) != 0)
				errx(1, "%s", devstat_errbuf);
			break;
		case 's':
			todo |= SUMSTAT;
			break;
		case 't':
#ifdef notyet
			todo |= TIMESTAT;
#else
			errx(EX_USAGE, "sorry, -t is not (re)implemented yet");
#endif
			break;
		case 'w':
			/* Convert to milliseconds. */
			f = atof(optarg);
			interval = f * 1000;
			break;
		case 'z':
			todo |= ZMEMSTAT;
			break;
		case '?':
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (todo == 0)
		todo = VMSTAT;

	if (memf != NULL) {
		kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
		if (kd == NULL)
			errx(1, "kvm_openfiles: %s", errbuf);
	}

retry_nlist:
	if (kd != NULL && (c = kvm_nlist(kd, namelist)) != 0) {
		if (c > 0) {
			/*
			 * 'cnt' was renamed to 'vm_cnt'. If 'vm_cnt' is not
			 * found try looking up older 'cnt' symbol.
			 * */
			if (namelist[X_SUM].n_type == 0 &&
			    strcmp(namelist[X_SUM].n_name, "_vm_cnt") == 0) {
				namelist[X_SUM].n_name = "_cnt";
				goto retry_nlist;
			}
			warnx("undefined symbols:");
			for (c = 0;
			     c < (int)(sizeof(namelist)/sizeof(namelist[0]));
			     c++)
				if (namelist[c].n_type == 0)
					(void)fprintf(stderr, " %s",
					    namelist[c].n_name);
			(void)fputc('\n', stderr);
		} else
			warnx("kvm_nlist: %s", kvm_geterr(kd));
		exit(1);
	}
	if (kd && Pflag)
		errx(1, "Cannot use -P with crash dumps");

	if (todo & VMSTAT) {
		/*
		 * Make sure that the userland devstat version matches the
		 * kernel devstat version.  If not, exit and print a
		 * message informing the user of his mistake.
		 */
		if (devstat_checkversion(NULL) < 0)
			errx(1, "%s", devstat_errbuf);


		argv = getdrivedata(argv);
	}

	if (*argv) {
		f = atof(*argv);
		interval = f * 1000;
		if (*++argv)
			reps = atoi(*argv);
	}

	if (interval) {
		if (!reps)
			reps = -1;
	} else if (reps)
		interval = 1 * 1000;

	if (todo & FORKSTAT)
		doforkst();
	if (todo & MEMSTAT)
		domemstat_malloc();
	if (todo & ZMEMSTAT)
		domemstat_zone();
	if (todo & SUMSTAT)
		dosum();
#ifdef notyet
	if (todo & TIMESTAT)
		dotimes();
#endif
	if (todo & INTRSTAT)
		dointr(interval, reps);
	if (todo & VMSTAT)
		dovmstat(interval, reps);
	exit(0);
}
Exemple #3
0
int
main(int argc, char *argv[])
{
	char errbuf[_POSIX2_LINE_MAX];
	int c, todo = 0, reps = 0;
	const char *errstr;
	u_int interval = 0;

	while ((c = getopt(argc, argv, "c:fiM:mN:stw:vz")) != -1) {
		switch (c) {
		case 'c':
			reps = atoi(optarg);
			break;
		case 'f':
			todo |= FORKSTAT;
			break;
		case 'i':
			todo |= INTRSTAT;
			break;
		case 'M':
			memf = optarg;
			break;
		case 'm':
			todo |= MEMSTAT;
			break;
		case 'N':
			nlistf = optarg;
			break;
		case 's':
			todo |= SUMSTAT;
			break;
		case 't':
			todo |= TIMESTAT;
			break;
		case 'w':
			interval = (u_int)strtonum(optarg, 0, 1000, &errstr);
			if (errstr)
				errx(1, "-w %s: %s", optarg, errstr);
			break;
		case 'v':
			verbose = 1;
			break;
		case 'z':
			zflag = 1;
			break;
		case '?':
		default:
			usage();
		}
	}
	argc -= optind;
	argv += optind;

	if (todo == 0)
		todo = VMSTAT;

	if (nlistf != NULL || memf != NULL) {

		kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
		if (kd == 0)
			errx(1, "kvm_openfiles: %s", errbuf);

		if ((c = kvm_nlist(kd, namelist)) != 0) {

			if (c > 0) {
				(void)fprintf(stderr,
				    "%s: undefined symbols:", __progname);
				for (c = 0;
				    c < sizeof(namelist)/sizeof(namelist[0]);
				    c++)
					if (namelist[c].n_type == 0)
						fprintf(stderr, " %s",
						    namelist[c].n_name);
				(void)fputc('\n', stderr);
				exit(1);
			} else
				errx(1, "kvm_nlist: %s", kvm_geterr(kd));
		}
	}

	if (todo & VMSTAT) {
		struct winsize winsize;

		dkinit(0);	/* Initialize disk stats, no disks selected. */
		argv = choosedrives(argv);	/* Select disks. */
		winsize.ws_row = 0;
		(void) ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize);
		if (winsize.ws_row > 0)
			winlines = winsize.ws_row;

	}

#define	BACKWARD_COMPATIBILITY
#ifdef	BACKWARD_COMPATIBILITY
	if (*argv) {
		interval = (u_int)strtonum(*argv, 0, 1000, &errstr);
		if (errstr)
			errx(1, "%s: %s", *argv, errstr);

		if (*++argv)
			reps = atoi(*argv);
	}
#endif

	if (interval) {
		if (!reps)
			reps = -1;
	} else if (reps)
		interval = 1;

	if (todo & FORKSTAT)
		doforkst();
	if (todo & MEMSTAT) {
		domem();
		dopool();
	}
	if (todo & SUMSTAT)
		dosum();
	if (todo & TIMESTAT)
		dotimes();
	if (todo & INTRSTAT)
		dointr();
	if (todo & VMSTAT)
		dovmstat(interval, reps);
	exit(0);
}