static struct itimerval itimer;
static struct list_head disk_list = LIST_HEAD_INIT(disk_list);
-static dev_t last_dev;
+static int last_majdev, last_mindev;
/*
* Cheesy number->string conversion, complete with carry rounding error.
*/
-static char *num2str(unsigned long num, int maxlen, int base)
+static char *num2str(unsigned long num, int maxlen, int base, int pow2)
{
- /*
- * could be passed in for 10^3 base, but every caller expects
- * 2^10 base right now.
- */
- const unsigned int thousand = 1024;
- char postfix[] = { 'K', 'M', 'G', 'P', 'E' };
+ char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' };
+ unsigned int thousand;
char *buf;
int i;
+ if (pow2)
+ thousand = 1024;
+ else
+ thousand = 1000;
+
buf = malloc(128);
for (i = 0; base > 1; i++)
len = sprintf(buf, "%'lu", num);
if (len <= maxlen) {
- buf[len] = postfix[i];
- buf[len + 1] = '\0';
+ if (i >= 1) {
+ buf[len] = postfix[i];
+ buf[len + 1] = '\0';
+ }
return buf;
}
}
}
-static int disk_util_exists(dev_t dev)
+static int disk_util_exists(int major, int minor)
{
struct list_head *entry;
struct disk_util *du;
list_for_each(entry, &disk_list) {
du = list_entry(entry, struct disk_util, list);
- if (du->dev == dev)
+ if (major == du->major && minor == du->minor)
return 1;
}
return 0;
}
-static void disk_util_add(dev_t dev, char *path)
+static void disk_util_add(int majdev, int mindev, char *path)
{
struct disk_util *du, *__du;
struct list_head *entry;
INIT_LIST_HEAD(&du->list);
sprintf(du->path, "%s/stat", path);
du->name = strdup(basename(path));
- du->dev = dev;
+ du->major = majdev;
+ du->minor = mindev;
list_for_each(entry, &disk_list) {
__du = list_entry(entry, struct disk_util, list);
list_add_tail(&du->list, &disk_list);
}
-static int check_dev_match(dev_t dev, char *path)
+static int check_dev_match(int majdev, int mindev, char *path)
{
- unsigned int major, minor;
+ int major, minor;
char line[256], *p;
FILE *f;
return 1;
}
- if (((major << 8) | minor) == dev) {
+ if (majdev == major && mindev == minor) {
fclose(f);
return 0;
}
return 1;
}
-static int find_block_dir(dev_t dev, char *path)
+static int find_block_dir(int majdev, int mindev, char *path)
{
struct dirent *dir;
struct stat st;
sprintf(full_path, "%s/%s", path, dir->d_name);
if (!strcmp(dir->d_name, "dev")) {
- if (!check_dev_match(dev, full_path)) {
+ if (!check_dev_match(majdev, mindev, full_path)) {
found = 1;
break;
}
if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode))
continue;
- found = find_block_dir(dev, full_path);
+ found = find_block_dir(majdev, mindev, full_path);
if (found) {
strcpy(path, full_path);
break;
return found;
}
-void init_disk_util(struct thread_data *td)
+static void __init_disk_util(struct thread_data *td, struct fio_file *f)
{
- struct fio_file *f;
struct stat st;
char foo[PATH_MAX], tmp[PATH_MAX];
- dev_t dev;
+ int mindev, majdev;
char *p;
- if (!td->do_disk_util || (td->io_ops->flags & FIO_DISKLESSIO))
- return;
-
- /*
- * Just use the same file, they are on the same device.
- */
- f = &td->files[0];
if (!stat(f->file_name, &st)) {
- if (S_ISBLK(st.st_mode))
- dev = st.st_rdev;
- else
- dev = st.st_dev;
+ if (S_ISBLK(st.st_mode)) {
+ majdev = major(st.st_rdev);
+ mindev = minor(st.st_rdev);
+ } else if (S_ISCHR(st.st_mode)) {
+ majdev = major(st.st_rdev);
+ mindev = minor(st.st_rdev);
+ fio_lookup_raw(st.st_rdev, &majdev, &mindev);
+ } else {
+ majdev = major(st.st_dev);
+ mindev = minor(st.st_dev);
+ }
} else {
/*
* must be a file, open "." in that path
return;
}
- dev = st.st_dev;
+ majdev = major(st.st_dev);
+ mindev = minor(st.st_dev);
}
- if (disk_util_exists(dev))
+ if (disk_util_exists(majdev, mindev))
return;
/*
* cache the last lookup and compare with that before going through
* everything again.
*/
- if (dev == last_dev)
+ if (mindev == last_mindev && majdev == last_majdev)
return;
- last_dev = dev;
+ last_mindev = mindev;
+ last_majdev = majdev;
sprintf(foo, "/sys/block");
- if (!find_block_dir(dev, foo))
+ if (!find_block_dir(majdev, mindev, foo))
return;
/*
sprintf(foo, "%s", tmp);
}
- if (td->ioscheduler)
+ if (td->o.ioscheduler && !td->sysfs_root)
td->sysfs_root = strdup(foo);
- disk_util_add(dev, foo);
+ disk_util_add(majdev, mindev, foo);
+}
+
+void init_disk_util(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ if (!td->o.do_disk_util ||
+ (td->io_ops->flags & (FIO_DISKLESSIO | FIO_NODISKUTIL)))
+ return;
+
+ for_each_file(td, f, i)
+ __init_disk_util(td, f);
}
void disk_util_timer_arm(void)
const char *ddir_str[] = { " READ", " WRITE" };
int i;
- fprintf(f_out, "\nRun status group %d (all jobs):\n", id);
+ log_info("\nRun status group %d (all jobs):\n", id);
for (i = 0; i <= DDIR_WRITE; i++) {
if (!rs->max_run[i])
continue;
- p1 = num2str(rs->io_kb[i], 6, 1);
- p2 = num2str(rs->agg[i], 6, 1);
- p3 = num2str(rs->min_bw[i], 6, 1);
- p4 = num2str(rs->max_bw[i], 6, 1);
+ p1 = num2str(rs->io_kb[i], 6, 1000, 1);
+ p2 = num2str(rs->agg[i], 6, 1000, 1);
+ p3 = num2str(rs->min_bw[i], 6, 1000, 1);
+ p4 = num2str(rs->max_bw[i], 6, 1000, 1);
- fprintf(f_out, "%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s, mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, p3, p4, rs->min_run[i], rs->max_run[i]);
+ log_info("%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s, mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2, p3, p4, rs->min_run[i], rs->max_run[i]);
free(p1);
free(p2);
struct disk_util *du;
double util;
- fprintf(f_out, "\nDisk stats (read/write):\n");
+ log_info("\nDisk stats (read/write):\n");
list_for_each(entry, &disk_list) {
du = list_entry(entry, struct disk_util, list);
if (util > 100.0)
util = 100.0;
- fprintf(f_out, " %s: ios=%u/%u, merge=%u/%u, ticks=%u/%u, in_queue=%u, util=%3.2f%%\n", du->name, dus->ios[0], dus->ios[1], dus->merges[0], dus->merges[1], dus->ticks[0], dus->ticks[1], dus->time_in_queue, util);
+ log_info(" %s: ios=%u/%u, merge=%u/%u, ticks=%u/%u, in_queue=%u, util=%3.2f%%\n", du->name, dus->ios[0], dus->ios[1], dus->merges[0], dus->merges[1], dus->ticks[0], dus->ticks[1], dus->time_in_queue, util);
}
/*
}
}
+#define ts_total_io_u(ts) \
+ ((ts)->total_io_u[0] + (ts)->total_io_u[1])
+
static void stat_calc_dist(struct thread_stat *ts, double *io_u_dist)
{
int i;
* Do depth distribution calculations
*/
for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
- io_u_dist[i] = (double) ts->io_u_map[i] / (double) ts->total_io_u;
+ io_u_dist[i] = (double) ts->io_u_map[i] / (double) ts_total_io_u(ts);
io_u_dist[i] *= 100.0;
+ if (io_u_dist[i] < 0.1 && ts->io_u_map[i])
+ io_u_dist[i] = 0.1;
}
}
* Do latency distribution calculations
*/
for (i = 0; i < FIO_IO_U_LAT_NR; i++) {
- io_u_lat[i] = (double) ts->io_u_lat[i] / (double) ts->total_io_u;
+ io_u_lat[i] = (double) ts->io_u_lat[i] / (double) ts_total_io_u(ts);
io_u_lat[i] *= 100.0;
+ if (io_u_lat[i] < 0.01 && ts->io_u_lat[i])
+ io_u_lat[i] = 0.01;
}
}
{
const char *ddir_str[] = { "read ", "write" };
unsigned long min, max;
- unsigned long long bw;
+ unsigned long long bw, iops;
double mean, dev;
- char *io_p, *bw_p;
+ char *io_p, *bw_p, *iops_p;
if (!ts->runtime[ddir])
return;
bw = ts->io_bytes[ddir] / ts->runtime[ddir];
- io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1);
- bw_p = num2str(bw, 6, 1);
+ iops = (1000 * ts->total_io_u[ddir]) / ts->runtime[ddir];
+ io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1000, 1);
+ bw_p = num2str(bw, 6, 1000, 1);
+ iops_p = num2str(iops, 6, 1, 0);
- fprintf(f_out, " %s: io=%siB, bw=%siB/s, runt=%6lumsec\n", ddir_str[ddir], io_p, bw_p, ts->runtime[ddir]);
+ log_info(" %s: io=%siB, bw=%siB/s, iops=%s, runt=%6lumsec\n", ddir_str[ddir], io_p, bw_p, iops_p, ts->runtime[ddir]);
free(io_p);
free(bw_p);
+ free(iops_p);
if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, " slat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev);
+ log_info(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev);
if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, " clat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev);
+ log_info(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", min, max, mean, dev);
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
double p_of_agg;
p_of_agg = mean * 100 / (double) rs->agg[ddir];
- fprintf(f_out, " bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, mean, dev);
+ log_info(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg, mean, dev);
}
}
return;
if (!ts->error)
- fprintf(f_out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid);
+ log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid);
else
- fprintf(f_out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->verror, ts->pid);
+ log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->verror, ts->pid);
if (ts->description)
- fprintf(f_out, " Description : [%s]\n", ts->description);
+ log_info(" Description : [%s]\n", ts->description);
if (ts->io_bytes[DDIR_READ])
show_ddir_status(rs, ts, DDIR_READ);
sys_cpu = 0;
}
- fprintf(f_out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx);
+ log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx);
stat_calc_dist(ts, io_u_dist);
stat_calc_lat(ts, io_u_lat);
- fprintf(f_out, " IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]);
+ log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]);
- fprintf(f_out, " lat (msec): 2=%3.1f%%, 4=%3.1f%%, 10=%3.1f%%, 20=%3.1f%%, 50=%3.1f%%, 100=%3.1f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]);
- fprintf(f_out, " lat (msec): 250=%3.1f%%, 500=%3.1f%%, 750=%3.1f%%, 1000=%3.1f%%, >=2000=%3.1f%%\n", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
+ log_info(" lat (msec): 2=%3.2f%%, 4=%3.2f%%, 10=%3.2f%%, 20=%3.2f%%, 50=%3.2f%%, 100=%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]);
+ log_info(" lat (msec): 250=%3.2f%%, 500=%3.2f%%, 750=%3.2f%%, 1000=%3.2f%%, >=2000=%3.2f%%\n", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
}
static void show_ddir_status_terse(struct thread_stat *ts,
if (ts->runtime[ddir])
bw = ts->io_bytes[ddir] / ts->runtime[ddir];
- fprintf(f_out, ";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, ts->runtime[ddir]);
+ log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw, ts->runtime[ddir]);
if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, ";%lu;%lu;%f;%f", min, max, mean, dev);
+ log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
else
- fprintf(f_out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+ log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, ";%lu;%lu;%f;%f", min, max, mean, dev);
+ log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
else
- fprintf(f_out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+ log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
double p_of_agg;
p_of_agg = mean * 100 / (double) rs->agg[ddir];
- fprintf(f_out, ";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
+ log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
} else
- fprintf(f_out, ";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
+ log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
}
double io_u_lat[FIO_IO_U_LAT_NR];
double usr_cpu, sys_cpu;
- fprintf(f_out, "%s;%d;%d", ts->name, ts->groupid, ts->error);
+ log_info("%s;%d;%d", ts->name, ts->groupid, ts->error);
show_ddir_status_terse(ts, rs, 0);
show_ddir_status_terse(ts, rs, 1);
sys_cpu = 0;
}
- fprintf(f_out, ";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx);
+ log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx);
stat_calc_dist(ts, io_u_dist);
stat_calc_lat(ts, io_u_lat);
- fprintf(f_out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]);
+ log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3], io_u_dist[4], io_u_dist[5], io_u_dist[6]);
- fprintf(f_out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]);
- fprintf(f_out, ";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
+ log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]);
+ log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
if (ts->description)
- fprintf(f_out, ";%s", ts->description);
+ log_info(";%s", ts->description);
- fprintf(f_out, "\n");
+ log_info("\n");
}
static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
nr_ts = 0;
last_ts = -1;
for_each_td(td, i) {
- if (!td->group_reporting) {
+ if (!td->o.group_reporting) {
nr_ts++;
continue;
}
ts = &threadstats[i];
memset(ts, 0, sizeof(*ts));
- for (j = 0; j < 2; j++) {
+ for (j = 0; j <= DDIR_WRITE; j++) {
ts->clat_stat[j].min_val = -1UL;
ts->slat_stat[j].min_val = -1UL;
ts->bw_stat[j].min_val = -1UL;
}
+ ts->groupid = -1;
}
j = 0;
last_ts = -1;
idx = 0;
for_each_td(td, i) {
+ if (idx && (!td->o.group_reporting ||
+ (td->o.group_reporting && last_ts != td->groupid))) {
+ idx = 0;
+ j++;
+ }
+
+ last_ts = td->groupid;
+
ts = &threadstats[j];
idx++;
ts->members++;
- if (!ts->groupid) {
+ if (ts->groupid == -1) {
/*
* These are per-group shared already
*/
- ts->name = td->name;
- ts->description = td->description;
+ ts->name = td->o.name;
+ ts->description = td->o.description;
ts->groupid = td->groupid;
/*
ts->verror = td->verror;
}
- for (l = 0; l < 2; l++) {
+ for (l = 0; l <= DDIR_WRITE; l++) {
sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx);
sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx);
sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx);
for (k = 0; k < FIO_IO_U_LAT_NR; k++)
ts->io_u_lat[k] += td->ts.io_u_lat[k];
- ts->total_io_u += td->ts.total_io_u;
+ for (k = 0; k <= DDIR_WRITE; k++)
+ ts->total_io_u[k] += td->ts.total_io_u[k];
ts->total_run_time += td->ts.total_run_time;
-
- if (!td->group_reporting) {
- idx = 0;
- j++;
- continue;
- }
- if (last_ts == td->groupid)
- continue;
-
- if (last_ts != -1) {
- idx = 0;
- j++;
- }
-
- last_ts = td->groupid;
}
for (i = 0; i < nr_ts; i++) {
ts = &threadstats[i];
rs = &runstats[ts->groupid];
- for (j = 0; j < 2; j++) {
+ for (j = 0; j <= DDIR_WRITE; j++) {
if (!ts->runtime[j])
continue;
if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
is->min_val = data;
delta = val - is->mean;
- is->mean += delta / (is->samples + 1.0);
- is->S += delta * (val - is->mean);
+ if (delta) {
+ is->mean += delta / (is->samples + 1.0);
+ is->S += delta * (val - is->mean);
+ }
is->samples++;
}
unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t);
unsigned long rate;
- if (spent < td->bw_avg_time)
+ if (spent < td->o.bw_avg_time)
return;
rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) / spent;