svn commit: r250265 - head/tools/tools/ath/athalq

[Adrian Chadd]

Author: adrian
Date: Sun May  5 09:38:02 2013
New Revision: 250265
URL: http://svnweb.freebsd.org/changeset/base/250265

Log:
  This is a simple script to output the delta between each TX and TXSTATUS.
  
  Useful for debugging TDMA.

Added:
  head/tools/tools/ath/athalq/txdiff.pl   (contents, props changed)

Added: head/tools/tools/ath/athalq/txdiff.pl
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tools/tools/ath/athalq/txdiff.pl	Sun May  5 09:38:02 2013	(r250265)
@@ -0,0 +1,34 @@
+#!/usr/bin/perl -w
+
+use strict;
+
+# $FreeBSD$
+
+# [1360537229.753890] [100494] TXD
+# [1360537229.754292] [100494] TXSTATUS: TxDone=1, TS=0x5ccfa5c7
+
+my ($tv_sec) = 0;
+my ($tv_usec) = 0;
+
+sub tvdiff($$$$) {
+	my ($tv1_sec, $tv1_usec, $tv2_sec, $tv2_usec) = @_;
+
+	if ($tv2_usec < $tv1_usec) {
+		$tv2_usec += 1000000;
+		$tv1_sec = $tv1_sec + 1;
+	}
+
+	return ($tv2_sec - $tv1_sec) * 1000000 + ($tv2_usec - $tv1_usec);
+}
+
+while (<>) {
+	chomp;
+	m/^\[(.*?)\.(.*?)\]/ || next;
+	printf "%d\t| %s\n", tvdiff($tv_sec, $tv_usec, $1, $2), $_;
+#	if (tvdiff($tv_sec, $tv_usec, $1, $2) > 500) {
+#		printf "%d\t| %s\n", tvdiff($tv_sec, $tv_usec, $1, $2), $_;
+#	}
+	$tv_sec = $1;
+	$tv_usec = $2;
+}
+