X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=stat.c;h=e3e084e60185b28b72fe7e66ee26115738d1b612;hp=34c8fceefc2982199ada1a613e535f4cae54343f;hb=85f467031d14d98940f56941016faa481a628c0f;hpb=ea2accc50fe911f7c24f08e62db55de4d2386b71 diff --git a/stat.c b/stat.c index 34c8fcee..e3e084e6 100644 --- a/stat.c +++ b/stat.c @@ -58,10 +58,15 @@ void update_rusage_stat(struct thread_data *td) getrusage(RUSAGE_SELF, &ts->ru_end); - ts->usr_time += mtime_since(&ts->ru_start.ru_utime, &ts->ru_end.ru_utime); - ts->sys_time += mtime_since(&ts->ru_start.ru_stime, &ts->ru_end.ru_stime); - ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw); - + ts->usr_time += mtime_since(&ts->ru_start.ru_utime, + &ts->ru_end.ru_utime); + ts->sys_time += mtime_since(&ts->ru_start.ru_stime, + &ts->ru_end.ru_stime); + ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw + - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw); + ts->minf += ts->ru_end.ru_minflt - ts->ru_start.ru_minflt; + ts->majf += ts->ru_end.ru_majflt - ts->ru_start.ru_majflt; + memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end)); } @@ -82,7 +87,7 @@ static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, if (n > 1.0) *dev = sqrt(is->S / (n - 1.0)); else - *dev = -1.0; + *dev = 0; return 1; } @@ -104,7 +109,10 @@ static void show_group_stats(struct group_run_stats *rs, int id) p3 = num2str(rs->min_bw[i], 6, 1000, 1); p4 = num2str(rs->max_bw[i], 6, 1000, 1); - 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]); + 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); @@ -124,28 +132,40 @@ static void stat_calc_dist(struct thread_stat *ts, double *io_u_dist) * 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(ts); + 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; } } -static void stat_calc_lat(struct thread_stat *ts, double *io_u_lat) +static void stat_calc_lat(struct thread_stat *ts, double *dst, + unsigned int *src, int nr) { int i; /* * 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(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; + for (i = 0; i < nr; i++) { + dst[i] = (double) src[i] / (double) ts_total_io_u(ts); + dst[i] *= 100.0; + if (dst[i] < 0.01 && src[i]) + dst[i] = 0.01; } } +static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat) +{ + stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR); +} + +static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat) +{ + stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR); +} + static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean, double *dev) { @@ -178,7 +198,9 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, bw_p = num2str(bw, 6, 1000, 1); iops_p = num2str(iops, 6, 1, 0); - 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]); + 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); @@ -186,43 +208,117 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts, if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) { const char *base = "(usec)"; + char *minp, *maxp; if (!usec_to_msec(&min, &max, &mean, &dev)) base = "(msec)"; - log_info(" slat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev); + minp = num2str(min, 6, 1, 0); + maxp = num2str(max, 6, 1, 0); + + log_info(" slat %s: min=%s, max=%s, avg=%5.02f," + " stdev=%5.02f\n", base, minp, maxp, mean, dev); + + free(minp); + free(maxp); } if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) { const char *base = "(usec)"; + char *minp, *maxp; if (!usec_to_msec(&min, &max, &mean, &dev)) base = "(msec)"; - log_info(" clat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev); + minp = num2str(min, 6, 1, 0); + maxp = num2str(max, 6, 1, 0); + + log_info(" clat %s: min=%s, max=%s, avg=%5.02f," + " stdev=%5.02f\n", base, minp, maxp, mean, dev); + + free(minp); + free(maxp); } if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) { double p_of_agg; p_of_agg = mean * 100 / (double) rs->agg[ddir]; - 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); + 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); + } +} + +static void show_lat(double *io_u_lat, int nr, const char **ranges, + const char *msg) +{ + int new_line = 1, i, line = 0; + + for (i = 0; i < nr; i++) { + if (io_u_lat[i] <= 0.0) + continue; + if (new_line) { + if (line) + log_info("\n"); + log_info(" lat (%s): ", msg); + new_line = 0; + line = 0; + } + if (line) + log_info(", "); + log_info("%s%3.2f%%", ranges[i], io_u_lat[i]); + line++; + if (line == 5) + new_line = 1; } } +static void show_lat_u(double *io_u_lat_u) +{ + const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", + "250=", "500=", "750=", "1000=", }; + + show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec"); +} + +static void show_lat_m(double *io_u_lat_m) +{ + const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=", + "250=", "500=", "750=", "1000=", "2000=", + ">=2000=", }; + + show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec"); +} + +static void show_latencies(double *io_u_lat_u, double *io_u_lat_m) +{ + show_lat_u(io_u_lat_u); + log_info("\n"); + show_lat_m(io_u_lat_m); + log_info("\n"); +} + static void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs) { double usr_cpu, sys_cpu; unsigned long runtime; double io_u_dist[FIO_IO_U_MAP_NR]; - double io_u_lat[FIO_IO_U_LAT_NR]; + double io_u_lat_u[FIO_IO_U_LAT_U_NR]; + double io_u_lat_m[FIO_IO_U_LAT_M_NR]; - if (!(ts->io_bytes[0] + ts->io_bytes[1])) + if (!(ts->io_bytes[0] + ts->io_bytes[1]) && + !(ts->total_io_u[0] + ts->total_io_u[1])) return; - if (!ts->error) - log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", ts->name, ts->groupid, ts->members, ts->error, ts->pid); - else - 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->error) { + log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n", + ts->name, ts->groupid, ts->members, + ts->error, ts->pid); + } else { + 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) log_info(" Description : [%s]\n", ts->description); @@ -243,17 +339,23 @@ static void show_thread_status(struct thread_stat *ts, sys_cpu = 0; } - log_info(" 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, majf=%lu," + " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf); stat_calc_dist(ts, io_u_dist); - stat_calc_lat(ts, io_u_lat); - - 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]); - log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n", ts->total_io_u[0], ts->total_io_u[1], ts->short_io_u[0], ts->short_io_u[1]); - - log_info(" lat (msec): 2=%3.2f%%, 4=%3.2f%%, 10=%3.2f%%, 20=%3.2f%%, 50=%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4]); - log_info(" lat (msec): 100=%3.2f%%, 250=%3.2f%%, 500=%3.2f%%, 750=%3.2f%%\n", io_u_lat[5], io_u_lat[6], io_u_lat[7], io_u_lat[8]); - log_info(" lat (msec): 1000=%3.2f%%, 2000=%3.2f%%, >=2000=%3.2f%%\n", io_u_lat[9], io_u_lat[10], io_u_lat[11]); + stat_calc_lat_u(ts, io_u_lat_u); + stat_calc_lat_m(ts, io_u_lat_m); + + 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]); + log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n", + ts->total_io_u[0], ts->total_io_u[1], + ts->short_io_u[0], ts->short_io_u[1]); + + show_latencies(io_u_lat_u, io_u_lat_m); } static void show_ddir_status_terse(struct thread_stat *ts, @@ -267,7 +369,8 @@ static void show_ddir_status_terse(struct thread_stat *ts, if (ts->runtime[ddir]) bw = ts->io_bytes[ddir] / ts->runtime[ddir]; - log_info(";%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)) log_info(";%lu;%lu;%f;%f", min, max, mean, dev); @@ -293,8 +396,10 @@ static void show_thread_status_terse(struct thread_stat *ts, struct group_run_stats *rs) { double io_u_dist[FIO_IO_U_MAP_NR]; - double io_u_lat[FIO_IO_U_LAT_NR]; + double io_u_lat_u[FIO_IO_U_LAT_U_NR]; + double io_u_lat_m[FIO_IO_U_LAT_M_NR]; double usr_cpu, sys_cpu; + int i; log_info("%s;%d;%d", ts->name, ts->groupid, ts->error); @@ -311,15 +416,22 @@ static void show_thread_status_terse(struct thread_stat *ts, sys_cpu = 0; } - log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx); + log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf, + ts->minf); stat_calc_dist(ts, io_u_dist); - stat_calc_lat(ts, io_u_lat); + stat_calc_lat_u(ts, io_u_lat_u); + stat_calc_lat_m(ts, io_u_lat_m); - 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]); + 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]); - 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]); + for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) + log_info(";%3.2f%%", io_u_lat_u[i]); + for (i = 0; i < FIO_IO_U_LAT_M_NR; i++) + log_info(";%3.2f%%", io_u_lat_m[i]); + log_info("\n"); if (ts->description) log_info(";%s", ts->description); @@ -343,7 +455,8 @@ static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr) mean = src->mean; S = src->S; } else { - mean = ((src->mean * (double) (nr - 1)) + dst->mean) / ((double) nr); + mean = ((src->mean * (double) (nr - 1)) + + dst->mean) / ((double) nr); S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr); } @@ -451,11 +564,16 @@ void show_run_stats(void) ts->usr_time += td->ts.usr_time; ts->sys_time += td->ts.sys_time; ts->ctx += td->ts.ctx; + ts->majf += td->ts.majf; + ts->minf += td->ts.minf; for (k = 0; k < FIO_IO_U_MAP_NR; k++) ts->io_u_map[k] += td->ts.io_u_map[k]; - for (k = 0; k < FIO_IO_U_LAT_NR; k++) - ts->io_u_lat[k] += td->ts.io_u_lat[k]; + for (k = 0; k < FIO_IO_U_LAT_U_NR; k++) + ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k]; + for (k = 0; k < FIO_IO_U_LAT_M_NR; k++) + ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k]; + for (k = 0; k <= DDIR_WRITE; k++) { ts->total_io_u[k] += td->ts.total_io_u[k]; @@ -481,7 +599,8 @@ void show_run_stats(void) bw = 0; if (ts->runtime[j]) - bw = ts->io_bytes[j] / (unsigned long long) ts->runtime[j]; + bw = ts->io_bytes[j] + / (unsigned long long) ts->runtime[j]; if (bw < rs->min_bw[j]) rs->min_bw[j] = bw; if (bw > rs->max_bw[j])