From 2671f35e16d5b6d3cb9386ed1230ca0fe040cec0 Mon Sep 17 00:00:00 2001
From: Thomas Kenne <thomas@2ndfloor.dk>
Date: Wed, 28 Sep 2005 14:12:55 +0200
Subject: [PATCH] [PATCH] Add script to verify correctness of blkparse output

Only checks the time.
---
 Makefile        |  2 +-
 verify_blkparse | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100755 verify_blkparse

diff --git a/Makefile b/Makefile
index 67e1937..4684b1d 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CC	= gcc
 CFLAGS	= -Wall -O2 -g -D_GNU_SOURCE
 PROGS	= blkparse blktrace
 LIBS	= -lpthread
-SCRIPTS	= btrace
+SCRIPTS	= btrace verify_blkparse
 
 all: $(PROGS) $(SCRIPTS)
 
diff --git a/verify_blkparse b/verify_blkparse
new file mode 100755
index 0000000..bd6a4fb
--- /dev/null
+++ b/verify_blkparse
@@ -0,0 +1,34 @@
+#!/usr/bin/php -q
+
+<?php
+
+// Parse time correctness of blkparse output
+// Thomas Kenne <thomas@2ndfloor.dk>
+
+$file = $argv[1];
+
+if (!is_file($file)) {
+	die("invalid file\n");
+}
+
+$lastnum = false;
+$fp = fopen($file, 'r');
+while ($line = fgets($fp, 200)) {
+	if (trim($line) == '') {
+		break;
+	}
+	$data = preg_split("/[\s]+/", $line); 
+	$num = $data[4];
+	settype($num, 'float');
+
+	if ($lastnum && $num < $lastnum) {
+		echo $line;
+		flush();
+	} else { 	
+		$lastnum = $num;
+	}
+}
+
+fclose($fp);
+
+?>
-- 
2.25.1