Added small util to analyze strace logfiles for missing files/libs and delays

1 files changed, 82 insertions, 0 deletions

diff --git a/useful/ultrastrace.php b/useful/ultrastrace.php
new file mode 100755
index 00000000..46df34a5
--- /dev/null
+++ b/useful/ultrastrace.php
@@ -0,0 +1,82 @@
+#!/usr/bin/env php
+<?php
+
+if ($argc < 2) die("$argv[0] <tracefile>\n");
+
+function parseTime($time)
+{
+	return $time['h'] * 3600 + $time['m'] * 60 + $time['s'];
+}
+
+$failed = array();
+$found = array();
+
+array_shift($argv);
+
+foreach ($argv as $fname) {
+	$fh = fopen($fname, 'r');
+	if ($fh === false) die("File not found: $fname\n");
+	echo "Reading $fname...\n";
+	$lineNo = 0;
+	unset($lastLine);
+
+	while (!feof($fh)) {
+		$lineNo++;
+		$line = fgets($fh);
+		// open("/lib/x86_64-linux-gnu/tls/x86_64/libkdeui.so.5", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
+		if (preg_match('#^(?<h>\d+):(?<m>\d+):(?<s>\d+\.\d+)\s#', $line, $out) >= 1) {
+			$time = parseTime($out);
+			if (isset($lastLine)) {
+				if ($time < $lastTime) $lastTime -= 86400;
+				if ($lastTime + 2 < $time) {
+					echo "\n------------- Delay detected in $fname at line $lineNo:\n$lastLine$line";
+				}
+			}
+			$lastLine = $line;
+			$lastTime = $time;
+		}
+		if (preg_match('#^(\d+:\d+:\d+\.\d+\s+)?open\("(?<lib>[^"]*[^"]*[^/])".*\)\s+=\s+(?<ret>\S+)(\s+(?<err>\S+)\s+|$)#', $line, $out) < 1) continue;
+		//echo "Match: {$out['lib']} -> {$out['ret']} ({$out['err']})\n";
+		$file = basename($out['lib']);
+		$file = preg_replace('/\.so(\.\d+)*$/', '', $file);
+		if ($out['ret'] < 0) {
+			if (isset($found[$file])) {
+				$found[$file][] = ':-(    ' . $out['lib'] . ' *** (' . (isset($out['err']) ? $out['err'] : 'Unknown Error') . ')';
+			} else {
+				$failed[$file][] = ':-(    ' . $out['lib'] . ' *** (' . (isset($out['err']) ? $out['err'] : 'Unknown Error') . ')';
+			}
+		} else {
+			if (isset($failed[$file])) {
+				$found[$file] = $failed[$file];
+				unset($failed[$file]);
+			}
+			$found[$file][] = ':-)     ' . $out['lib'];
+		}
+	}
+	fclose($fh);
+}
+
+echo "│\n│\n│\n│ ******* Found libraries *******************************************************\n";
+foreach ($found as $key => $val) {
+	echo "│\n├──┬ $key\n";
+	$count = count($val);
+	$i = 1;
+	foreach ($val as $loc) {
+		if ($i == $count)	echo "│  ╰── $loc\n";
+		else 			echo "│  ├── $loc\n";
+		++$i;
+	}
+}
+
+echo "│\n│\n│\n│ ******* Missing libraries *****************************************************\n";
+foreach ($failed as $key => $val) {
+	echo "│\n├──┬ $key\n";
+	$count = count($val);
+	$i = 1;
+	foreach ($val as $loc) {
+		if ($i == $count)	echo "│  ╰── $loc\n";
+		else 			echo "│  ├── $loc\n";
+		++$i;
+	}
+}
+