void
hammer_cmd_iostats(char **av, int ac)
{
int mibs[9][16];
size_t lens[9];
int64_t stats[9];
int64_t copy[9];
size_t size;
struct timespec delay = { 1, 0 };
int count;
int i;
int r;
if (ac > 0)
loaddelay(&delay, av[0]);
lens[0] = 16;
lens[1] = 16;
lens[2] = 16;
lens[3] = 16;
lens[4] = 16;
lens[5] = 16;
lens[6] = 16;
lens[7] = 16;
lens[8] = 16;
r = 0;
r |= sysctlnametomib("vfs.hammer.stats_file_read",
mibs[0], &lens[0]);
r |= sysctlnametomib("vfs.hammer.stats_file_write",
mibs[1], &lens[1]);
r |= sysctlnametomib("vfs.hammer.stats_disk_read",
mibs[2], &lens[2]);
r |= sysctlnametomib("vfs.hammer.stats_disk_write",
mibs[3], &lens[3]);
r |= sysctlnametomib("vfs.hammer.stats_file_iopsr",
mibs[4], &lens[4]);
r |= sysctlnametomib("vfs.hammer.stats_file_iopsw",
mibs[5], &lens[5]);
r |= sysctlnametomib("vfs.hammer.stats_inode_flushes",
mibs[6], &lens[6]);
r |= sysctlnametomib("vfs.hammer.stats_commits",
mibs[7], &lens[7]);
r |= sysctlnametomib("vfs.hammer.stats_undo",
mibs[8], &lens[8]);
if (r < 0) {
perror("sysctl: HAMMER stats not available");
exit(1);
}
for (count = 0; ; ++count) {
for (i = 0; i <= 8; ++i) {
size = sizeof(stats[0]);
r = sysctl(mibs[i], lens[i], &stats[i], &size, NULL, 0);
if (r < 0) {
perror("sysctl");
exit(1);
}
}
if (count) {
if ((count & 15) == 1)
printf(" file-rd file-wr dev-read dev-write inode_ops ino_flsh cmmit undo\n");
printf("%9jd %9jd %9jd %9jd %9jd %8jd %5jd %8jd\n",
(intmax_t)(stats[0] - copy[0]),
(intmax_t)(stats[1] - copy[1]),
(intmax_t)(stats[2] - copy[2]),
(intmax_t)(stats[3] - copy[3]),
(intmax_t)(stats[4] + stats[5] -
copy[4] - copy[5]),
(intmax_t)(stats[6] - copy[6]),
(intmax_t)(stats[7] - copy[7]),
(intmax_t)(stats[8] - copy[8]));
}
nanosleep(&delay, NULL);
bcopy(stats, copy, sizeof(stats));
}
}
void
hammer_cmd_bstats(char **av, int ac)
{
int mibs[8][16];
size_t lens[8];
int64_t stats[8];
int64_t copy[8];
size_t size;
struct timespec delay = { 1, 0 };
int count;
int i;
int r;
if (ac > 0)
loaddelay(&delay, av[0]);
lens[0] = 16;
lens[1] = 16;
lens[2] = 16;
lens[3] = 16;
lens[4] = 16;
lens[5] = 16;
r = 0;
r |= sysctlnametomib("vfs.hammer.stats_btree_elements",
mibs[0], &lens[0]);
r |= sysctlnametomib("vfs.hammer.stats_btree_iterations",
mibs[1], &lens[1]);
r |= sysctlnametomib("vfs.hammer.stats_btree_lookups",
mibs[2], &lens[2]);
r |= sysctlnametomib("vfs.hammer.stats_btree_inserts",
mibs[3], &lens[3]);
r |= sysctlnametomib("vfs.hammer.stats_btree_deletes",
mibs[4], &lens[4]);
r |= sysctlnametomib("vfs.hammer.stats_btree_splits",
mibs[5], &lens[5]);
if (r < 0) {
perror("sysctl: HAMMER stats not available:");
exit(1);
}
for (count = 0; ; ++count) {
for (i = 0; i < 6; ++i) {
size = sizeof(stats[0]);
r = sysctl(mibs[i], lens[i], &stats[i], &size, NULL, 0);
if (r < 0) {
perror("sysctl");
exit(1);
}
}
if (count) {
if ((count & 15) == 1)
printf(" elements iterations lookups inserts deletes splits\n");
printf("%10jd %10jd %10jd %10jd %10jd %10jd\n",
(intmax_t)(stats[0] - copy[0]),
(intmax_t)(stats[1] - copy[1]),
(intmax_t)(stats[2] - copy[2]),
(intmax_t)(stats[3] - copy[3]),
(intmax_t)(stats[4] - copy[4]),
(intmax_t)(stats[5] - copy[5]));
}
nanosleep(&delay, NULL);
bcopy(stats, copy, sizeof(stats));
}
}
int
main(int ac, char **av)
{
const char *corefile = NULL;
const char *sysfile = NULL;
struct bufpcpu bpcpu;
struct timespec delay = { 1, 0 };
kvm_t *kd;
int count;
int ncpus;
int ch;
int cpu;
int q;
while ((ch = getopt(ac, av, "M:N:v")) != -1) {
switch(ch) {
case 'v':
++verboseopt;
break;
case 'M':
corefile = optarg;
break;
case 'N':
sysfile = optarg;
break;
default:
fprintf(stderr, "%s [-M core] [-N system]\n", av[0]);
exit(1);
}
}
ac -= optind;
av += optind;
if ((kd = kvm_open(sysfile, corefile, NULL, O_RDONLY, "kvm:")) == NULL) {
perror("kvm_open");
exit(1);
}
if (kvm_nlist(kd, Nl) != 0) {
perror("kvm_nlist");
exit(1);
}
if (ac > 0)
loaddelay(&delay, av[0]);
kkread(kd, Nl[1].n_value, &ncpus, sizeof(ncpus), 1);
kkread(kd, Nl[2].n_value, &nbuf, sizeof(nbuf), 1);
for (count = 0; ; ++count) {
for (cpu = 0; cpu < ncpus; cpu++) {
kkread(kd, Nl[0].n_value + cpu * sizeof(struct bufpcpu),
&bpcpu, sizeof(struct bufpcpu), 1);
scan_queues(kd, cpu, &bpcpu);
}
if (count && !verboseopt) {
if ((count & 15) == 1)
printf(" NONE LOCKED CLEAN DIRTY "
"DIRTY_HW EMPTYKVA EMPTY OFF-QUEUE KVMFAIL\n");
printf("%6d %7d %6d %6d %9d %9d %6d %10d %7d\n",
qcounter[0], qcounter[1], qcounter[2],
qcounter[3], qcounter[4], qcounter[5],
qcounter[6], (nbuf - totalcount), failcount);
}
/* If in verbose mode only output detailed bufs info once */
if (verboseopt)
break;
nanosleep(&delay, NULL);
bzero(&qcounter, sizeof(qcounter));
totalcount = 0;
failcount = 0;
}
return(0);
}
