X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=stat.c;h=819a7c687da448ea87ef44dd3eca9e18c17061d5;hp=bfdf390bcf5fac48a791be18898a3dbfe968eeef;hb=d2d7fa53c18f1fc3fb89f3fe20df9b39986bde72;hpb=c8c51efdfb621275c23ab74b385d80702b7a30d0

diff --git a/stat.c b/stat.c
index bfdf390b..819a7c68 100644
--- a/stat.c
+++ b/stat.c
@@ -22,7 +22,7 @@ static char *num2str(unsigned long num, int maxlen, int base)
 	 * 2^10 base right now.
 	 */
 	const unsigned int thousand = 1024;
-	char postfix[] = { 'K', 'M', 'G', 'P' };
+	char postfix[] = { 'K', 'M', 'G', 'P', 'E' };
 	char *buf;
 	int i;
 
@@ -47,7 +47,7 @@ static char *num2str(unsigned long num, int maxlen, int base)
 		num /= thousand;
 		num += carry;
 		i++;
-	} while (i <= 4);
+	} while (i <= 5);
 
 	return buf;
 }
@@ -439,6 +439,7 @@ static void show_thread_status(struct thread_data *td,
 	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];
 	int i;
 
 	if (!(td->io_bytes[0] + td->io_bytes[1]))
@@ -476,6 +477,17 @@ static void show_thread_status(struct thread_data *td,
 
 	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]);
 
+	/*
+	 * Do latency distribution calculations
+	 */
+	for (i = 0; i < FIO_IO_U_LAT_NR; i++) {
+		io_u_lat[i] = (double) td->io_u_lat[i] / (double) td->total_io_u;
+		io_u_lat[i] *= 100.0;
+	}
+
+	fprintf(f_out, "     lat (msec): 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, 64=%3.1f%%, 128=%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], io_u_lat[6]);
+	fprintf(f_out, "     lat (msec): 256=%3.1f%%, 512=%3.1f%%, 1024=%3.1f%%, >=2048=%3.1f%%\n", io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
+
 	if (td->description)
 		fprintf(f_out, "%s\n", td->description);
 }