clat/slat display improvements

If the avg and min are small, we'll display in usec. But that can make
the max hard to read, so convert min/max to strings like we do for
other values.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/stat.c b/stat.c
index 401e1f2a6084575c11f536d17c41764e44e79082..abb1b153e69547dae388ca0421be6646684f9d59 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -197,19 +197,33 @@ 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;