Handle normal output wrapping of the percentile list
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/stat.c b/stat.c
index 8bcd566..28acc23 100644
--- a/stat.c
+++ b/stat.c
@@ -186,8 +186,8 @@
{
unsigned int len, j = 0, minv, maxv;
unsigned int *ovals;
- int is_last, scale_down;
- char buf[32];
+ int is_last, per_line, scale_down;
+ char fmt[32];
len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
if (!len)
@@ -205,13 +205,14 @@
log_info(" clat percentiles (usec):\n |");
}
- snprintf(buf, sizeof(buf), "%%1.%luf", precision);
+ snprintf(fmt, sizeof(fmt), "%%1.%luf", precision);
+ per_line = (80 - 7) / (precision + 14);
for (j = 0; j < len; j++) {
char fbuf[16], *ptr = fbuf;
/* for formatting */
- if (j != 0 && (j % 4) == 0)
+ if (j != 0 && (j % per_line) == 0)
log_info(" |");
/* end of the list */
@@ -220,7 +221,7 @@
if (plist[j].u.f < 10.0)
ptr += sprintf(fbuf, " ");
- snprintf(ptr, sizeof(fbuf), buf, plist[j].u.f);
+ snprintf(ptr, sizeof(fbuf), fmt, plist[j].u.f);
if (scale_down)
ovals[j] = (ovals[j] + 999) / 1000;
@@ -230,7 +231,7 @@
if (is_last)
break;
- if (j % 4 == 3) /* for formatting */
+ if ((j % per_line) == per_line - 1) /* for formatting */
log_info("\n");
}