First checked in. Submitted by dp <dpsuresh@netscape.net>. r=dveditz, sr=waterson

xpcom/tools/analyze-xpcom-log.pl

@@ -0,0 +1,163 @@
+#!/usr/local/bin/perl -w
+
+# Perl script to analyze the xpcom output file
+#
+# To create xpcom output file :
+#
+# setenv NSPR_LOG_MODULES nsComponentManager:5
+# setenv NSPR_LOG_FILE xpcom.out
+# ./mozilla
+#
+# Also to try to convert CID -> contractID this program looks for
+# a file reg.out in the current directory. To generate this file
+#
+# $ regExport > reg.out
+#
+# Usage: analyze-xpcom-log.pl < xpcom.out
+# [does better if ./reg.out is available]
+#
+# Suresh Duddi <dpsuresh@netscape.net>
+
+
+use strict;
+
+# forward declarations
+sub getContractID($);
+sub sum($);
+
+# hash of cid -> contractid
+my %contractid;
+my %contractid_n;
+my %failedContractid_n;
+
+# count of instances of objects created
+my (%objs, %failedObjs) = ();
+
+# dlls loaded
+my @dlls;
+
+# Print all ?
+my $all = 0;
+
+# temporaries
+my ($cid, $n, $str);
+
+while (<>) {
+    chomp;
+
+    # dlls loaded
+    if (/loading \"(.*)\"/) {
+        push @dlls, $1;
+        next;
+    }
+
+    # FAILED ContractIDToClassID
+    if (/ContractIDToClassID\((.*)\).*\[FAILED\]/) {
+        $failedContractid_n{$1}++;
+        next;
+    }
+
+    # ContractIDToClassID
+    if (/ContractIDToClassID\((.*)\).*\{(.*)\}/) {
+        $contractid{$2} = $1;
+        $contractid_n{$2}++;
+        next;
+    }
+
+    # CreateInstance()
+    if (/CreateInstance\(\{(.*)\}\) succeeded/) {
+        $objs{$1}++;
+        next;
+    }
+
+    # FAILED CreateInstance()
+    if (/CreateInstance\(\{(.*)\}\) FAILED/) {
+        $failedObjs{$1}++;
+        next;
+    }
+}
+
+
+# if there is a file named reg.out in the current dir
+# then use that to fill in the ContractIDToClassID mapping.
+my $REG;
+open REG, "<reg.out";
+while (<REG>) {
+    chomp;
+    if (/contractID -  (.*)$/) {
+        my $id = $1;
+        $cid = <REG>;
+        chomp($cid);
+        $cid =~ s/^.*\{(.*)\}.*$/$1/;
+        $contractid{$cid} = $id;
+    }
+}
+
+# print results
+# ----------------------------------------------------------------------
+
+# dlls loaded
+print "dlls loaded [", scalar @dlls, "]\n";
+print "----------------------------------------------------------------------\n";
+for ($n = 0; $n < scalar @dlls; $n++) {
+    printf "%2d. %s\n", $n+1, $dlls[$n];
+}
+print "\n";
+
+# Objects created
+print "Object creations [", sum(\%objs), "]\n";
+print "----------------------------------------------------------------------\n";
+foreach $cid (sort {$objs{$b} <=> $objs{$a} } keys %objs) {
+    last if (!$all && $objs{$cid} < 50);
+    printf "%5d. %s - %s\n", $objs{$cid}, $cid, getContractID($cid);
+}
+print "\n";
+
+# FAILED Objects created
+print "FAILED Objects creations [", sum(\%failedObjs), "]\n";
+print "----------------------------------------------------------------------\n";
+foreach $cid (sort {$failedObjs{$b} <=> $failedObjs{$a} } keys %failedObjs) {
+    last if (!$all && $failedObjs{$cid} < 50);
+    printf "%5d. %s - %s", $failedObjs{$cid}, $cid, getContractID($cid);
+}
+print "\n";
+
+# ContractIDToClassID calls
+print "ContractIDToClassID() calls [", sum(\%contractid_n),"]\n";
+print "----------------------------------------------------------------------\n";
+foreach $cid (sort {$contractid_n{$b} <=> $contractid_n{$a} } keys %contractid_n) {
+    last if (!$all && $contractid_n{$cid} < 50);
+    printf "%5d. %s - %s\n", $contractid_n{$cid}, $cid, getContractID($cid);
+}
+print "\n";
+
+
+# FAILED ContractIDToClassID calls
+print "FAILED ContractIDToClassID() calls [", sum(\%failedContractid_n), "]\n";
+print "----------------------------------------------------------------------\n";
+foreach $cid (sort {$failedContractid_n{$b} <=> $failedContractid_n{$a} } keys %failedContractid_n) {
+    last if (!$all && $failedContractid_n{$cid} < 50);
+    printf "%5d. %s\n", $failedContractid_n{$cid}, $cid;
+}
+print "\n";
+
+
+# Subroutines
+
+sub getContractID($) {
+    my $cid = shift;
+    my $ret = "";
+    $ret = $contractid{$cid} if (exists $contractid{$cid});
+    return $ret;
+}
+
+sub sum($) {
+    my $hash_ref = shift;
+    my %hash = %$hash_ref;
+    my $total = 0;
+    my $key;
+    foreach $key (keys %hash) {
+        $total += $hash{$key};
+    }
+    return $total;
+}