diff options
| -rw-r--r-- | share/examples/perfmon/perfmon.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/share/examples/perfmon/perfmon.c b/share/examples/perfmon/perfmon.c index 274a828af99c..b6c9ff5d8ce4 100644 --- a/share/examples/perfmon/perfmon.c +++ b/share/examples/perfmon/perfmon.c @@ -26,7 +26,7 @@ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id$ + * $Id: perfmon.c,v 1.3 1997/02/22 13:55:58 peter Exp $ */ #include <sys/types.h> @@ -45,13 +45,14 @@ #include <errno.h> static int getnum(const char *, int, int); -static void __dead usage(const char *) __dead2; +static void usage(const char *) __dead2; int main(int argc, char **argv) { int c, fd, num; int loops, i, sleeptime; + char *cmd; struct pmc pmc; struct pmc_tstamp then, now; struct pmc_data value; @@ -63,10 +64,11 @@ main(int argc, char **argv) pmc.pmc_unit = 0; pmc.pmc_flags = 0; pmc.pmc_mask = 0; + cmd = NULL; loops = 50; sleeptime = 0; - while ((c = getopt(argc, argv, "s:l:uoeiU:m:")) != EOF) { + while ((c = getopt(argc, argv, "s:l:uoeiU:m:c:")) != -1) { switch(c) { case 'u': pmc.pmc_flags |= PMCF_USR; @@ -92,6 +94,9 @@ main(int argc, char **argv) case 's': sleeptime = getnum(optarg, 0, INT_MAX - 1); break; + case 'c': + cmd = optarg; + break; default: usage(argv[0]); } @@ -122,8 +127,6 @@ main(int argc, char **argv) value.pmcd_num = 0; for (i = 0; i < loops; i++) { - if (sleeptime) - sleep(sleeptime); if (ioctl(fd, PMIOSTOP, &num) < 0) err(1, "ioctl(PMIOSTOP)"); if (ioctl(fd, PMIOREAD, &value) < 0) @@ -133,6 +136,10 @@ main(int argc, char **argv) err(1, "ioctl(PMIORESET)"); if (ioctl(fd, PMIOSTART, &num) < 0) err(1, "ioctl(PMIOSTART)"); + if (sleeptime) + sleep(sleeptime); + if (cmd) + system(cmd); } if (ioctl(fd, PMIOSTOP, &num) < 0) @@ -181,7 +188,8 @@ static void usage(const char *pname) { fprintf(stderr, - "%s: usage:\n\t%s [-eiou] [-l nloops] [-U unit] [-m mask] " - "counter\n", pname, pname); + "usage: %s [-eiou] [-c command] [-l nloops] [-m mask] [-s sleeptime]\n" + " [-U unit] counter\n", + pname); exit(1); } |