2000-08-09 20:45:24 +00:00
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#!/usr/bin/perl
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# Perl script to analyze the log output from xpcom and print
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# the results in html.
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#
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# To get the xpcom log output to a file say xpcom.log:
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# setenv NSPR_LOG_MODULES nsComponentManager:5
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# setenv NSPR_LOG_FILE xpcom.log
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# ./mozilla
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# <quit>
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#
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2000-09-14 23:20:49 +00:00
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# To get registry (used to figure out contractid mappings)
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2000-08-09 20:45:24 +00:00
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# ./regExport component.reg > registry.txt
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# Usage:
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#
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# a) To get simple output
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# cat xpcom.log | perl xpcom-log-analyze.pl > xpcom-log.html
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#
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2000-09-14 23:20:49 +00:00
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# b) To get all possible cid->contractid mappings filled in
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2000-08-09 20:45:24 +00:00
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# cat xpcom.log registry.txt | perl xpcom-log-analyze.pl > xpcom-log.html
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#
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#
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# Author: Suresh Duddi <dp@netscape.com>
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# Created Aug 9 2000
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while (<>)
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{
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chomp;
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2000-09-14 23:20:49 +00:00
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if ( /ContractIDToClassID.*\}/ )
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2000-08-09 20:45:24 +00:00
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{
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2000-09-14 23:20:49 +00:00
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# Passed contractid to cid mapping. Add contractid to cid mapping
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2000-08-09 20:45:24 +00:00
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$cid = GetCID();
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2000-09-14 23:20:49 +00:00
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$contractid = GetContractID();
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$contractid_map{$cid} = $contractid;
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$contractid_passed{$contractid}++;
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$ncontractid_passed++;
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2000-08-09 20:45:24 +00:00
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next;
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}
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2000-09-14 23:20:49 +00:00
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if ( /ContractIDToClassID.*FAILED/ )
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2000-08-09 20:45:24 +00:00
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{
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2000-09-14 23:20:49 +00:00
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# Failed contractid. Collect it.
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$contractid = GetContractID();
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$contractid_failed{$contractid}++;
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$ncontractid_failed++;
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2000-08-09 20:45:24 +00:00
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next;
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}
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if ( /CreateInstance.*succeeded/ )
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{
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# Successful create instance
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$objects{GetCID()}++;
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$nobjects++;
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next;
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}
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if ( /CreateInstance.*FAILED/ )
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{
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# Failed create instance
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$objects_failed{GetCID()}++;
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$nobjects_failed++;
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next;
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}
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if ( /: loading/ )
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{
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$dll = GetDll();
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# make the name a little pretty
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$dll =~ s/^.*bin\///;
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$dll_loaded[@dll_loaded] = $dll;
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next;
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}
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if ( / classID - \{/ )
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{
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2000-09-14 23:20:49 +00:00
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# this is from the output of registry. Try to update contractid_map
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2000-08-09 20:45:24 +00:00
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$cid = GetCID();
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2000-09-14 23:20:49 +00:00
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# Get the next contractid or classname line until a empty new line
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$_ = <STDIN> until (/ContractID|ClassName/ || length == 1);
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2000-08-09 20:45:24 +00:00
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chomp;
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2000-09-14 23:20:49 +00:00
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$contractid = $_;
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$contractid =~ s/^.*= //;
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$contractid_map{$cid} = $contractid;
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2000-08-09 20:45:24 +00:00
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}
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}
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PrintHTMLResults();
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2000-09-14 23:20:49 +00:00
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sub GetContractID() {
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2000-08-09 20:45:24 +00:00
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# Get a proid from a line
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2000-09-14 23:20:49 +00:00
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my($contractid) = $_;
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$contractid =~ s/^.*\((.*)\).*$/$1/;
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# print "Got Progid: $contractid\n";
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return $contractid;
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2000-08-09 20:45:24 +00:00
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}
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sub GetCID() {
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# Get a CID from a line
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my($cid) = $_;
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$cid =~ s/^.*\{(.*)\}.*$/$1/;
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# print "Got cid: $cid\n";
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return $cid;
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}
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sub GetDll() {
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# Get a Dll from a line
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my($dll) = $_;
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$dll =~ s/^.*\"(.*)\".*$/$1/;
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# print "Got dll: $dll\n";
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return $dll;
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}
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#
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# Print the results of our log analysis in html
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#
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sub PrintHTMLResults()
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{
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$now_time = localtime();
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print "<HTML><HEAD><title>XPCOM Log analysis dated: $now_time\n";
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print "</TITLE></HEAD>\n";
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print "<H1><center>\n";
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print "XPCOM Log analysis dated: $now_time\n";
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print "</center></H1>\n";
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# ========================================================================
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# Performance analysis
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# ========================================================================
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print "<H2>Performance Analysis</H2>\n";
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# Number of dlls loaded
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$n = @dll_loaded;
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print "<H3>Dlls Loaded : $n</H3>\n";
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print "<blockquote><pre>\n";
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PrintArray(@dll_loaded);
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print "</blockquote></pre>\n";
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# Objects created with a histogram
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print "<H3>Objects created : $nobjects</H3>\n";
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print "<blockquote><pre>\n";
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@sorted_key = SortKeyByValue(%objects);
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foreach $cid (@sorted_key)
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{
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2000-09-14 23:20:49 +00:00
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printf("%5d %s [%s]\n", $objects{$cid}, $cid, $contractid_map{$cid});
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2000-08-09 20:45:24 +00:00
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}
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print "</blockquote></pre>\n";
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2000-09-14 23:20:49 +00:00
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# Passed contractid calls
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print "<H3>Succeeded ContractIDToClassID() : $ncontractid_passed</H3>\n";
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2000-08-09 20:45:24 +00:00
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print "<blockquote><pre>\n";
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2000-09-14 23:20:49 +00:00
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@sorted_key = SortKeyByValue(%contractid_passed);
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foreach $contractid (@sorted_key)
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2000-08-09 20:45:24 +00:00
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{
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2000-09-14 23:20:49 +00:00
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printf("%5d %s\n", $contractid_passed{$contractid}, $contractid);
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2000-08-09 20:45:24 +00:00
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}
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print "</blockquote></pre>\n";
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# ========================================================================
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# Error analysis
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# ========================================================================
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print "<H2>Error Analysis</H2>\n";
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# CreateInstance() FAILED
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print "<H3>Failed CreateInstance() : $nobjects_failed</H3>\n";
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print "<blockquote><pre>\n";
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@sorted_key = SortKeyByValue(%objects_failed);
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foreach $cid (@sorted_key)
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{
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2000-09-14 23:20:49 +00:00
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printf("%5d %s [%s]\n", $objects_failed{$cid}, $cid, $contractid_map{$cid});
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2000-08-09 20:45:24 +00:00
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}
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print "</blockquote></pre>\n";
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2000-09-14 23:20:49 +00:00
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# ContractIDToClassID() FAILED with a histogram
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print "<H3>Failed ContractIDToClassID() : $ncontractid_failed</H3>\n";
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2000-08-09 20:45:24 +00:00
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print "<blockquote><pre>\n";
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2000-09-14 23:20:49 +00:00
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@sorted_key = SortKeyByValue(%contractid_failed);
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foreach $contractid (@sorted_key)
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2000-08-09 20:45:24 +00:00
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{
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2000-09-14 23:20:49 +00:00
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printf("%5d %s\n", $contractid_failed{$contractid}, $contractid);
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2000-08-09 20:45:24 +00:00
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}
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print "</blockquote></pre>\n";
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# end the html listing
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print "</HTML>\n";
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}
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sub PrintArray()
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{
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my(@array) = @_;
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for ($i=0; $i<@array; $i++)
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{
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print "$array[$i]\n";
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}
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}
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#
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# Sort a given hash by reverse numeric order of value
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# return the sorted keylist
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#
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sub SortKeyByValue()
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{
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my(%hash) = @_;
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my(@sorted_keys) = sort { $hash{$b} <=> $hash{$a} } keys %hash;
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return @sorted_keys;
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}
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