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splitting out call trees, to avoid creating unwieldy HTML reports.

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git-svn-id: svn://10.0.0.236/trunk@78579 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
beard%netscape.com 2000-09-09 04:23:17 +00:00
parent 985ccfe48b
commit b8d0fd19ad
1 changed files with 153 additions and 31 deletions
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184
mozilla/gc/boehm/leaksoup/bloatsoup.java
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@ -43,6 +43,8 @@ public class bloatsoup {
System.out.println("usage: bloatsoup trace");
System.exit(1);
}
FileLocator.USE_BLAME = true;
for (int i = 0; i < args.length; i++) {
cook(args[i]);
@ -51,25 +53,87 @@ public class bloatsoup {
// quit the application.
System.exit(0);
}
/**
* An Entry is created for every object in the bloat report.
*/
static class Entry {
String mAddress;
Type mType;
Object[] mReferences;
CallTree.Node mCrawl;
int mCrawlID;
int mRefCount;
Entry[] mParents;
int mTotalSize;
Entry(String addr, Type type, Object[] refs, CallTree.Node crawl) {
mAddress = addr;
mReferences = refs;
mCrawl = crawl;
mCrawlID = crawl.id;
mRefCount = 0;
mType = type;
mTotalSize = 0;
}
public String toString() {
return ("<A HREF=\"#" + mAddress + "\" onMouseOver='return showCrawl(event,\"" + mCrawlID + "\");'>" + mAddress + "</A> [" + mRefCount + "] " + mType + " {" + mTotalSize + "}");
}
}
static String kStackCrawlScript =
"function finishedLoad() {\n" +
" document.loaded = true;\n" +
" document.layers['popup'].visibility='show';\n" +
" return true;\n" +
"}\n" +
"var currentURL = null;\n" +
"function showCrawl(event, addr) {\n" +
" if (!document.loaded) return true;\n" +
" var l = document.layers['popup'];\n" +
" var docURL = document.URL;\n" +
" var crawlURL = docURL.substring(0, docURL.lastIndexOf('/') + 1) + crawlDir + addr + '.html';\n" +
" // alert(crawlURL);\n" +
" if (currentURL != crawlURL) {\n" +
" l.load(crawlURL, 800);\n" +
" currentURL = crawlURL\n" +
" l.top = event.target.y + 15;\n" +
" l.left = event.target.x + 30;\n" +
" }\n" +
" l.visibility='show';\n" +
" return true;\n" +
"}\n" +
"";
static String kStackCrawlPrefix =
"<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=3><TR><TD BGCOLOR=#00A000>\n" +
"<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=6><TR><TD BGCOLOR=#FFFFFF>\n" +
"<PRE>\n" +
"";
static String kStackCrawlSuffix =
"</PRE>\n" +
"</TD></TR></TABLE>\n" +
"</TD></TR></TABLE>\n" +
"";
/**
* Initially, just create a histogram of the bloat.
*/
static void cook(String inputName) {
String outputName = inputName + ".html";
String crawlDir = inputName + ".crawls/";
try {
PrintWriter writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputName))));
writer.println("<HTML>");
Date now = new Date();
writer.println("<TITLE>Bloat as of " + now + "</TITLE>");
int objectCount = 0;
long totalSize = 0;
StringTable strings = new StringTable();
Hashtable types = new Hashtable();
Histogram hist = new Histogram();
StringTable strings = new StringTable();
CallTree calls = new CallTree(strings);
Vector entries = new Vector();
Vector vec = new Vector();
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(inputName)));
String line = reader.readLine();
while (line != null) {
@ -93,11 +157,52 @@ public class bloatsoup {
++objectCount;
totalSize += size;
}
line = reader.readLine();
line = reader.readLine();
// process references (optional).
Object[] refs = null;
if (line != null && line.charAt(0) == '\t') {
vec.setSize(0);
do {
vec.addElement(strings.intern(line.substring(1, 11)));
line = reader.readLine();
} while (line != null && line.charAt(0) == '\t');
refs = new Object[vec.size()];
vec.copyInto(refs);
}
// process stack crawl (optional).
CallTree.Node crawl = null;
if (line != null && line.charAt(0) == '<') {
do {
crawl = calls.parseNode(line);
line = reader.readLine();
} while (line != null && line.charAt(0) == '<');
}
entries.addElement(new Entry(addr, type, refs, crawl));
} else {
line = reader.readLine();
}
}
reader.close();
// build the Entries graph.
// Create the output .html report.
PrintWriter writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outputName))));
writer.println("<HTML><HEAD>");
Date now = new Date();
writer.println("<TITLE>Bloat as of " + now + "</TITLE>");
// set up the stack crawl "layer". I know, this is deprecated, but still useful.
writer.println("<SCRIPT>\n" + kStackCrawlScript +
"var crawlDir = '" + crawlDir + "';\n" +
"</SCRIPT>");
writer.println("</HEAD>\n<BODY onLoad='finishedLoad();'>");
writer.println("<LAYER NAME='popup' onMouseOut='this.visibility=\"hide\";' LEFT=0 TOP=0 BGCOLOR='#FFFFFF' VISIBILITY='hide'></LAYER>");
// print bloat summary.
writer.println("<H2>Bloat Summary</H2>");
writer.println("total object count = " + objectCount + "<BR>");
@ -106,33 +211,50 @@ public class bloatsoup {
// print histogram sorted by count * size.
writer.println("<H2>Bloat Histogram</H2>");
leaksoup.printHistogram(writer, hist);
File crawlFile = new File(inputName + ".crawls");
if (!crawlFile.exists())
crawlFile.mkdir();
// String crawlPath = System.getProperty("user.dir") + "/" + crawlDir;
// print the Entries graph.
writer.println("<H2>Bloat Graph</H2>");
writer.println("<PRE>");
int count = entries.size();
for (int i = 0; i < count; ++i) {
Entry entry = (Entry) entries.elementAt(i);
writer.println("<A NAME=\"" + entry.mAddress + "\"></A>");
writer.println(entry);
// print object's fields:
Object[] refs = entry.mReferences;
if (refs != null) {
int length = refs.length;
for (int j = 0; j < length; ++j)
leaksoup.printField(writer, refs[j]);
}
// print object's stack crawl, if it hasn't been printed already.
CallTree.Node crawl = entry.mCrawl;
int crawlID = crawl.id;
if (crawlID > 0) {
// encode already printed by negating the crawl id.
crawl.id = -crawlID;
PrintWriter crawlWriter = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(crawlDir + crawlID + ".html"))));
crawlWriter.print(kStackCrawlPrefix);
while (crawl != null) {
String location = FileLocator.getFileLocation(crawl.data);
crawlWriter.println(location);
crawl = crawl.parent;
}
crawlWriter.print(kStackCrawlSuffix);
crawlWriter.close();
}
}
writer.println("</PRE>");
writer.println("</BODY></HTML>");
writer.close();
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
/**
* Simply replaces instances of '<' with "&LT;" and '>' with "&GT;".
*/
static String quoteTags(String str) {
int length = str.length();
StringBuffer buf = new StringBuffer(length);
for (int i = 0; i < length; ++i) {
char ch = str.charAt(i);
switch (ch) {
case '<':
buf.append("&LT;");
break;
case '>':
buf.append("&GT;");
break;
default:
buf.append(ch);
break;
}
}
return buf.toString();
}
}