X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=stat.c;h=1effbfe9c5b452c625574a3cce02bd87ccdb074a;hp=cc171a4d52ff69dab7df15037a7b89996e05ecaa;hb=b02e3212f23d0957f47e88b1a6cf7517dbd72e3f;hpb=c619c0fdb28fbe043d7a7f75bba2ea82b4eca298 diff --git a/stat.c b/stat.c index cc171a4d..1effbfe9 100644 --- a/stat.c +++ b/stat.c @@ -1,10 +1,7 @@ #include #include #include -#include #include -#include -#include #include #include "fio.h" @@ -18,9 +15,9 @@ #include "helper_thread.h" #include "smalloc.h" -#define LOG_MSEC_SLACK 10 +#define LOG_MSEC_SLACK 1 -struct fio_mutex *stat_mutex; +struct fio_sem *stat_sem; void clear_rusage_stat(struct thread_data *td) { @@ -135,7 +132,7 @@ static int double_cmp(const void *a, const void *b) return cmp; } -unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr, +unsigned int calc_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr, fio_fp64_t *plist, unsigned long long **output, unsigned long long *maxv, unsigned long long *minv) { @@ -198,20 +195,19 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long long n /* * Find and display the p-th percentile of clat */ -static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr, +static void show_clat_percentiles(uint64_t *io_u_plat, unsigned long long nr, fio_fp64_t *plist, unsigned int precision, - bool is_clat, struct buf_output *out) + const char *pre, struct buf_output *out) { unsigned int divisor, len, i, j = 0; unsigned long long minv, maxv; unsigned long long *ovals; int per_line, scale_down, time_width; - const char *pre = is_clat ? "clat" : " lat"; bool is_last; char fmt[32]; len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv); - if (!len) + if (!len || !ovals) goto out; /* @@ -324,7 +320,7 @@ void show_group_stats(struct group_run_stats *rs, struct buf_output *out) } } -void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist) +void stat_calc_dist(uint64_t *map, unsigned long total, double *io_u_dist) { int i; @@ -343,7 +339,7 @@ void stat_calc_dist(unsigned int *map, unsigned long total, double *io_u_dist) } static void stat_calc_lat(struct thread_stat *ts, double *dst, - unsigned int *src, int nr) + uint64_t *src, int nr) { unsigned long total = ddir_rw_sum(ts->total_io_u); int i; @@ -366,7 +362,7 @@ static void stat_calc_lat(struct thread_stat *ts, double *dst, * To keep the terse format unaltered, add all of the ns latency * buckets to the first us latency bucket */ -void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u) +static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u) { unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u); int i; @@ -419,13 +415,26 @@ static void display_lat(const char *name, unsigned long long min, static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, int ddir, struct buf_output *out) { - const char *str[] = { " read", "write", " trim" }; + const char *str[] = { " read", "write", " trim", "sync" }; unsigned long runt; unsigned long long min, max, bw, iops; double mean, dev; char *io_p, *bw_p, *bw_p_alt, *iops_p; int i2p; + if (ddir_sync(ddir)) { + if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) { + log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range"); + display_lat(str[ddir], min, max, mean, dev, out); + show_clat_percentiles(ts->io_u_sync_plat, + ts->sync_stat.samples, + ts->percentile_list, + ts->percentile_precision, + str[ddir], out); + } + return; + } + assert(ddir_rw(ddir)); if (!ts->runtime[ddir]) @@ -460,6 +469,7 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, display_lat(" lat", min, max, mean, dev, out); if (ts->clat_percentiles || ts->lat_percentiles) { + const char *name = ts->clat_percentiles ? "clat" : " lat"; uint64_t samples; if (ts->clat_percentiles) @@ -470,8 +480,7 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, show_clat_percentiles(ts->io_u_plat[ddir], samples, ts->percentile_list, - ts->percentile_precision, - ts->clat_percentiles, out); + ts->percentile_precision, name, out); } if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { double p_of_agg = 100.0, fkb_base = (double)rs->kb_base; @@ -661,7 +670,6 @@ static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos, if (len > 1) qsort((void *)plist, len, sizeof(plist[0]), double_cmp); - nr_uninit = 0; /* Start only after the uninit entries end */ for (nr_uninit = 0; nr_uninit < nr_block_infos @@ -803,6 +811,9 @@ static void show_thread_status_normal(struct thread_stat *ts, show_latencies(ts, out); + if (ts->sync_stat.samples) + show_ddir_status(rs, ts, DDIR_SYNC, out); + runtime = ts->total_run_time; if (runtime) { double runt = (double) runtime; @@ -839,12 +850,13 @@ static void show_thread_status_normal(struct thread_stat *ts, 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_buf(out, " issued rwt: total=%llu,%llu,%llu," - " short=%llu,%llu,%llu," - " dropped=%llu,%llu,%llu\n", + log_buf(out, " issued rwts: total=%llu,%llu,%llu,%llu" + " short=%llu,%llu,%llu,0" + " dropped=%llu,%llu,%llu,0\n", (unsigned long long) ts->total_io_u[0], (unsigned long long) ts->total_io_u[1], (unsigned long long) ts->total_io_u[2], + (unsigned long long) ts->total_io_u[3], (unsigned long long) ts->short_io_u[0], (unsigned long long) ts->short_io_u[1], (unsigned long long) ts->short_io_u[2], @@ -968,12 +980,12 @@ static void add_ddir_status_json(struct thread_stat *ts, double mean, dev, iops; unsigned int len; int i; - const char *ddirname[] = {"read", "write", "trim"}; + const char *ddirname[] = { "read", "write", "trim", "sync" }; struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL; char buf[120]; double p_of_agg = 100.0; - assert(ddir_rw(ddir)); + assert(ddir_rw(ddir) || ddir_sync(ddir)); if (ts->unified_rw_rep && ddir != DDIR_READ) return; @@ -982,64 +994,85 @@ static void add_ddir_status_json(struct thread_stat *ts, json_object_add_value_object(parent, ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object); - bw_bytes = 0; - bw = 0; - iops = 0.0; - if (ts->runtime[ddir]) { - uint64_t runt = ts->runtime[ddir]; - - bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */ - bw = bw_bytes / 1024; /* KiB/s */ - iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt; - } + if (ddir_rw(ddir)) { + bw_bytes = 0; + bw = 0; + iops = 0.0; + if (ts->runtime[ddir]) { + uint64_t runt = ts->runtime[ddir]; - json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]); - json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10); - json_object_add_value_int(dir_object, "bw_bytes", bw_bytes); - json_object_add_value_int(dir_object, "bw", bw); - json_object_add_value_float(dir_object, "iops", iops); - json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]); - json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]); - json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]); - json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]); + bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */ + bw = bw_bytes / 1024; /* KiB/s */ + iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt; + } - if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { - min = max = 0; - mean = dev = 0.0; - } - tmp_object = json_create_object(); - json_object_add_value_object(dir_object, "slat_ns", tmp_object); - json_object_add_value_int(tmp_object, "min", min); - json_object_add_value_int(tmp_object, "max", max); - json_object_add_value_float(tmp_object, "mean", mean); - json_object_add_value_float(tmp_object, "stddev", dev); + json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]); + json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10); + json_object_add_value_int(dir_object, "bw_bytes", bw_bytes); + json_object_add_value_int(dir_object, "bw", bw); + json_object_add_value_float(dir_object, "iops", iops); + json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]); + json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]); + json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]); + json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]); + + if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { + min = max = 0; + mean = dev = 0.0; + } + tmp_object = json_create_object(); + json_object_add_value_object(dir_object, "slat_ns", tmp_object); + json_object_add_value_int(tmp_object, "min", min); + json_object_add_value_int(tmp_object, "max", max); + json_object_add_value_float(tmp_object, "mean", mean); + json_object_add_value_float(tmp_object, "stddev", dev); + + if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { + min = max = 0; + mean = dev = 0.0; + } + tmp_object = json_create_object(); + json_object_add_value_object(dir_object, "clat_ns", tmp_object); + json_object_add_value_int(tmp_object, "min", min); + json_object_add_value_int(tmp_object, "max", max); + json_object_add_value_float(tmp_object, "mean", mean); + json_object_add_value_float(tmp_object, "stddev", dev); + } else { + if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) { + min = max = 0; + mean = dev = 0.0; + } - if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { - min = max = 0; - mean = dev = 0.0; + tmp_object = json_create_object(); + json_object_add_value_object(dir_object, "lat_ns", tmp_object); + json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]); + json_object_add_value_int(tmp_object, "min", min); + json_object_add_value_int(tmp_object, "max", max); + json_object_add_value_float(tmp_object, "mean", mean); + json_object_add_value_float(tmp_object, "stddev", dev); } - tmp_object = json_create_object(); - json_object_add_value_object(dir_object, "clat_ns", tmp_object); - json_object_add_value_int(tmp_object, "min", min); - json_object_add_value_int(tmp_object, "max", max); - json_object_add_value_float(tmp_object, "mean", mean); - json_object_add_value_float(tmp_object, "stddev", dev); if (ts->clat_percentiles || ts->lat_percentiles) { - len = calc_clat_percentiles(ts->io_u_plat[ddir], + if (ddir_rw(ddir)) { + len = calc_clat_percentiles(ts->io_u_plat[ddir], ts->clat_stat[ddir].samples, ts->percentile_list, &ovals, &maxv, &minv); + } else { + len = calc_clat_percentiles(ts->io_u_sync_plat, + ts->sync_stat.samples, + ts->percentile_list, &ovals, &maxv, + &minv); + } + + if (len > FIO_IO_U_LIST_MAX_LEN) + len = FIO_IO_U_LIST_MAX_LEN; } else len = 0; percentile_object = json_create_object(); json_object_add_value_object(tmp_object, "percentile", percentile_object); - for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { - if (i >= len) { - json_object_add_value_int(percentile_object, "0.00", 0); - continue; - } + for (i = 0; i < len; i++) { snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f); json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]); } @@ -1050,13 +1083,23 @@ static void add_ddir_status_json(struct thread_stat *ts, json_object_add_value_object(tmp_object, "bins", clat_bins_object); for(i = 0; i < FIO_IO_U_PLAT_NR; i++) { - if (ts->io_u_plat[ddir][i]) { - snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i)); - json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]); + if (ddir_rw(ddir)) { + if (ts->io_u_plat[ddir][i]) { + snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i)); + json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]); + } + } else { + if (ts->io_u_sync_plat[i]) { + snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i)); + json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]); + } } } } + if (!ddir_rw(ddir)) + return; + if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) { min = max = 0; mean = dev = 0.0; @@ -1179,7 +1222,7 @@ static void show_thread_status_terse_all(struct thread_stat *ts, } static void json_add_job_opts(struct json_object *root, const char *name, - struct flist_head *opt_list, bool num_jobs) + struct flist_head *opt_list) { struct json_object *dir_object; struct flist_head *entry; @@ -1195,8 +1238,6 @@ static void json_add_job_opts(struct json_object *root, const char *name, const char *pos = ""; p = flist_entry(entry, struct print_option, list); - if (!num_jobs && !strcmp(p->name, "numjobs")) - continue; if (p->value) pos = p->value; json_object_add_value_string(dir_object, p->name, pos); @@ -1230,11 +1271,12 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts, } if (opt_list) - json_add_job_opts(root, "job options", opt_list, true); + json_add_job_opts(root, "job options", opt_list); add_ddir_status_json(ts, rs, DDIR_READ, root); add_ddir_status_json(ts, rs, DDIR_WRITE, root); add_ddir_status_json(ts, rs, DDIR_TRIM, root); + add_ddir_status_json(ts, rs, DDIR_SYNC, root); /* CPU Usage */ if (ts->total_run_time) { @@ -1490,6 +1532,8 @@ void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src) dst->kb_base = src->kb_base; if (!dst->unit_base) dst->unit_base = src->unit_base; + if (!dst->sig_figs) + dst->sig_figs = src->sig_figs; } void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, @@ -1529,24 +1573,25 @@ void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, } } + sum_stat(&dst->sync_stat, &src->sync_stat, first); dst->usr_time += src->usr_time; dst->sys_time += src->sys_time; dst->ctx += src->ctx; dst->majf += src->majf; dst->minf += src->minf; - for (k = 0; k < FIO_IO_U_MAP_NR; k++) + for (k = 0; k < FIO_IO_U_MAP_NR; k++) { dst->io_u_map[k] += src->io_u_map[k]; - for (k = 0; k < FIO_IO_U_MAP_NR; k++) dst->io_u_submit[k] += src->io_u_submit[k]; - for (k = 0; k < FIO_IO_U_MAP_NR; k++) dst->io_u_complete[k] += src->io_u_complete[k]; - for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) + } + for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) { dst->io_u_lat_n[k] += src->io_u_lat_n[k]; - for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) dst->io_u_lat_u[k] += src->io_u_lat_u[k]; - for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) dst->io_u_lat_m[k] += src->io_u_lat_m[k]; + } + for (k = 0; k < FIO_IO_U_PLAT_NR; k++) + dst->io_u_sync_plat[k] += src->io_u_sync_plat[k]; for (k = 0; k < DDIR_RWDIR_CNT; k++) { if (!dst->unified_rw_rep) { @@ -1560,6 +1605,8 @@ void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src, } } + dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC]; + for (k = 0; k < DDIR_RWDIR_CNT; k++) { int m; @@ -1598,6 +1645,7 @@ void init_thread_stat(struct thread_stat *ts) ts->bw_stat[j].min_val = -1UL; ts->iops_stat[j].min_val = -1UL; } + ts->sync_stat.min_val = -1UL; ts->groupid = -1; } @@ -1808,13 +1856,14 @@ void __show_run_stats(void) char time_buf[32]; struct timeval now; unsigned long long ms_since_epoch; + time_t tv_sec; gettimeofday(&now, NULL); ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 + (unsigned long long)(now.tv_usec) / 1000; - os_ctime_r((const time_t *) &now.tv_sec, time_buf, - sizeof(time_buf)); + tv_sec = now.tv_sec; + os_ctime_r(&tv_sec, time_buf, sizeof(time_buf)); if (time_buf[strlen(time_buf) - 1] == '\n') time_buf[strlen(time_buf) - 1] = '\0'; @@ -1824,7 +1873,7 @@ void __show_run_stats(void) json_object_add_value_int(root, "timestamp_ms", ms_since_epoch); json_object_add_value_string(root, "time", time_buf); global = get_global_options(); - json_add_job_opts(root, "global options", &global->opt_list, false); + json_add_job_opts(root, "global options", &global->opt_list); array = json_create_array(); json_object_add_value_array(root, "jobs", array); } @@ -1891,13 +1940,6 @@ void __show_run_stats(void) free(opt_lists); } -void show_run_stats(void) -{ - fio_mutex_down(stat_mutex); - __show_run_stats(); - fio_mutex_up(stat_mutex); -} - void __show_running_run_stats(void) { struct thread_data *td; @@ -1905,7 +1947,7 @@ void __show_running_run_stats(void) struct timespec ts; int i; - fio_mutex_down(stat_mutex); + fio_sem_down(stat_sem); rt = malloc(thread_number * sizeof(unsigned long long)); fio_gettime(&ts, NULL); @@ -1931,7 +1973,7 @@ void __show_running_run_stats(void) continue; if (td->rusage_sem) { td->update_rusage = 1; - fio_mutex_down(td->rusage_sem); + fio_sem_down(td->rusage_sem); } td->update_rusage = 0; } @@ -1948,7 +1990,7 @@ void __show_running_run_stats(void) } free(rt); - fio_mutex_up(stat_mutex); + fio_sem_up(stat_sem); } static bool status_interval_init; @@ -2231,10 +2273,15 @@ void reset_io_stats(struct thread_data *td) ts->short_io_u[i] = 0; ts->drop_io_u[i] = 0; - for (j = 0; j < FIO_IO_U_PLAT_NR; j++) + for (j = 0; j < FIO_IO_U_PLAT_NR; j++) { ts->io_u_plat[i][j] = 0; + if (!i) + ts->io_u_sync_plat[j] = 0; + } } + ts->total_io_u[DDIR_SYNC] = 0; + for (i = 0; i < FIO_IO_U_MAP_NR; i++) { ts->io_u_map[i] = 0; ts->io_u_submit[i] = 0; @@ -2283,9 +2330,11 @@ static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed, __add_stat_to_log(iolog, ddir, elapsed, log_max); } -static long add_log_sample(struct thread_data *td, struct io_log *iolog, - union io_sample_data data, enum fio_ddir ddir, - unsigned int bs, uint64_t offset) +static unsigned long add_log_sample(struct thread_data *td, + struct io_log *iolog, + union io_sample_data data, + enum fio_ddir ddir, unsigned int bs, + uint64_t offset) { unsigned long elapsed, this_window; @@ -2316,7 +2365,7 @@ static long add_log_sample(struct thread_data *td, struct io_log *iolog, if (elapsed < iolog->avg_last[ddir]) return iolog->avg_last[ddir] - elapsed; else if (this_window < iolog->avg_msec) { - int diff = iolog->avg_msec - this_window; + unsigned long diff = iolog->avg_msec - this_window; if (inline_log(iolog) || diff > LOG_MSEC_SLACK) return diff; @@ -2357,6 +2406,15 @@ void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0); } +void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec) +{ + unsigned int idx = plat_val_to_idx(nsec); + assert(idx < FIO_IO_U_PLAT_NR); + + ts->io_u_sync_plat[idx]++; + add_stat_sample(&ts->sync_stat, nsec); +} + static void add_clat_percentile_sample(struct thread_stat *ts, unsigned long long nsec, enum fio_ddir ddir) { @@ -2394,7 +2452,7 @@ void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, this_window = elapsed - hw->hist_last; if (this_window >= iolog->hist_msec) { - unsigned int *io_u_plat; + uint64_t *io_u_plat; struct io_u_plat_entry *dst; /* @@ -2404,7 +2462,7 @@ void add_clat_sample(struct thread_data *td, enum fio_ddir ddir, * located in iolog.c after printing this sample to the * log file. */ - io_u_plat = (unsigned int *) td->ts.io_u_plat[ddir]; + io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir]; dst = malloc(sizeof(struct io_u_plat_entry)); memcpy(&(dst->io_u_plat), io_u_plat, FIO_IO_U_PLAT_NR * sizeof(unsigned int)); @@ -2496,7 +2554,7 @@ static int __add_samples(struct thread_data *td, struct timespec *parent_tv, { unsigned long spent, rate; enum fio_ddir ddir; - unsigned int next, next_log; + unsigned long next, next_log; next_log = avg_time; @@ -2621,7 +2679,7 @@ int calc_log_samples(void) void stat_init(void) { - stat_mutex = fio_mutex_init(FIO_MUTEX_UNLOCKED); + stat_sem = fio_sem_init(FIO_SEM_UNLOCKED); } void stat_exit(void) @@ -2630,8 +2688,8 @@ void stat_exit(void) * When we have the mutex, we know out-of-band access to it * have ended. */ - fio_mutex_down(stat_mutex); - fio_mutex_remove(stat_mutex); + fio_sem_down(stat_sem); + fio_sem_remove(stat_sem); } /*