sander/perfix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* removed React for the UI

Browse source 
* removed TinyHttpd for the backend service
* fixed errors
* reduced footprint
* improved performance and responsiveness
This commit is contained in:
Sander Hautvast 2020-12-29 18:06:19 +01:00
parent b814c44a0c
commit 29e71c0f96
12 changed files with 520 additions and 82 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
README.md
View file

@ -33,4 +33,14 @@ Pretty basic profiling tool for JVM's
# DISCLAIMER:
This has only been tested on oracle java8 in spring-boot using tomcat web-container (and apache dbcp)
That said I should mention that the callstack view is pretty slow, which is caused by the gui, not the backend. I guess I'll replace it with a static vanilla.js app.
Javassist raises the following error:
```
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by javassist.util.proxy.SecurityActions (file:/Users/Shautvast/.m2/repository/org/javassist/javassist/3.26.0-GA/javassist-3.26.0-GA.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of javassist.util.proxy.SecurityActions
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
```
But it works at least up until java 15.
I cannot fix this issue, but I'm working to replace javassist as a dependency.

9
pom.xml
View file

@ -19,24 +19,17 @@
<artifactId>javassist</artifactId>
<version>3.26.0-GA</version>
</dependency>
<dependency>
<groupId>org.nanohttpd</groupId>
<artifactId>nanohttpd</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.1</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.4.0</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.h2database</groupId>

120
src/main/java/perfix/server/HTTPServer.java
View file

@ -1,76 +1,138 @@
package perfix.server;
import fi.iki.elonen.NanoHTTPD;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import perfix.Registry;
import perfix.server.json.Serializer;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.concurrent.Executors;
import java.util.logging.Logger;
public class HTTPServer extends NanoHTTPD {
public class HTTPServer implements HttpHandler {
private static final Logger log = Logger.getLogger("perfix");
private final int port;
public HTTPServer(int port) {
super(port);
this.port = port;
}
public void start() {
try {
start(NanoHTTPD.SOCKET_READ_TIMEOUT, false);
System.out.println(" --- Perfix http server running. Point your browser to http://localhost:" + getListeningPort() + "/");
HttpServer server = HttpServer.create(new InetSocketAddress("localhost", port), 0);
server.createContext("/", this);
server.setExecutor(Executors.newFixedThreadPool(2));
server.start();
System.out.println(" --- Perfix http server running. Point your browser to http://localhost:" + port + "/");
} catch (IOException ioe) {
System.err.println(" --- Couldn't start Perfix http server:\n" + ioe);
}
}
@Override
public Response serve(IHTTPSession session) {
String uri = session.getUri();
public void handle(HttpExchange exchange) throws IOException {
String uri = exchange.getRequestURI().toString();
InputStream response = null;
switch (uri) {
case "/report":
return perfixMetrics();
setContentTypeJson(exchange);
response = toStream(perfixMetrics());
break;
case "/callstack":
return perfixCallstack();
setContentTypeJson(exchange);
response = toStream(perfixCallstack());
break;
case "/clear":
return clear();
setContentTypeJson(exchange);
response = toStream(clear());
break;
default:
return newFixedLengthResponse(Response.Status.NOT_FOUND, "text/plain", "NOT FOUND");
response = staticContent(exchange, uri);
}
OutputStream outputStream = exchange.getResponseBody();
exchange.getResponseHeaders().add("Access-Control-Allow-Origin", "*");
exchange.getResponseHeaders().add("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
int length = response.available();
exchange.sendResponseHeaders(200, length);
for (int i = 0; i < length; i++) {
outputStream.write(response.read());
}
outputStream.flush();
outputStream.close();
}
private void setContentTypeJson(HttpExchange exchange) {
exchange.getResponseHeaders().add("Content-Type", "application/json");
}
private InputStream staticContent(HttpExchange exchange, String uri) {
if (uri.equals("/")) {
uri = "/index.html";
}
InputStream resource = getClass().getResourceAsStream(uri);
if (resource != null) {
String mimeType;
if (uri.endsWith("css")) {
mimeType = "text/css";
} else if (uri.endsWith("js")) {
mimeType = "application/ecmascript";
} else {
mimeType = "text/html";
}
exchange.getResponseHeaders().add("Content-Type", mimeType);
return resource;
} else {
return toStream(notFound());
}
}
private Response perfixMetrics() {
private String notFound() {
return "NOT FOUND";
}
private String perfixMetrics() {
try {
return addCors(newFixedLengthResponse(Response.Status.OK, "application/json", Serializer.toJSONString(new ArrayList<>(Registry.sortedMethodsByDuration().values()))));
return Serializer.toJSONString(new ArrayList<>(Registry.sortedMethodsByDuration().values()));
} catch (Exception e) {
e.printStackTrace();
return newFixedLengthResponse(e.toString());
log.severe(e.toString());
return e.toString();
}
}
private Response addCors(Response response) {
response.addHeader("Access-Control-Allow-Origin", "*");
response.addHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
return response;
private InputStream toStream(String text) {
return new ByteArrayInputStream(text.getBytes(StandardCharsets.UTF_8));
}
private Response perfixCallstack() {
private String perfixCallstack() {
try {
return addCors(newFixedLengthResponse(Response.Status.OK, "application/json", Serializer.toJSONString(Registry.getCallStack())));
return Serializer.toJSONString(Registry.getCallStack());
} catch (Exception e) {
e.printStackTrace();
return newFixedLengthResponse(e.toString());
log.severe(e.toString());
return e.toString();
}
}
private Response clear() {
private String clear() {
Registry.clear();
try {
return addCors(newFixedLengthResponse(Response.Status.OK, "application/json", Serializer.toJSONString(Registry.getCallStack())));
return Serializer.toJSONString(Registry.getCallStack());
} catch (Exception e) {
e.printStackTrace();
return newFixedLengthResponse(e.toString());
log.severe(e.toString());
return e.toString();
}
}
}

2
src/main/java/perfix/server/json/SerializerFactory.java
View file

@ -1,5 +1,5 @@
package perfix.server.json;
public interface SerializerFactory {
public <T> JSONSerializer<T> createSerializer(Class<T> beanjavaClass);
<T> JSONSerializer<T> createSerializer(Class<T> beanjavaClass);
}

79
src/main/java/perfix/server/json/SynthSerializerFactory.java
View file

@ -3,8 +3,11 @@ package perfix.server.json;
import javassist.*;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableSet;
public class SynthSerializerFactory implements SerializerFactory {
private static final String STRING = "java.lang.String";
@ -17,15 +20,15 @@ public class SynthSerializerFactory implements SerializerFactory {
private static final String SHORT = "java.lang.Short";
private static final String INTEGER = "java.lang.Integer";
private final static Set<String> wrappersAndString = new HashSet<String>(asList(BOOLEAN, CHARACTER, BYTE, DOUBLE, FLOAT, LONG, SHORT, INTEGER,
STRING));
private final static Set<String> wrappersAndString = unmodifiableSet(new HashSet<String>(asList(BOOLEAN, CHARACTER, BYTE, DOUBLE, FLOAT, LONG, SHORT, INTEGER,
STRING)));
private static final String COLLECTION = "java.util.Collection";
private static final String LIST = "java.util.List";
private static final String SET = "java.util.Set";
private static final List<String> mapInterfaces = asList("java.util.Map", "java.util.concurrent.ConcurrentHashMap");
private static final List<String> mapInterfaces = Collections.unmodifiableList(asList("java.util.Map", "java.util.concurrent.ConcurrentHashMap"));
private static final Map<String, JSONSerializer<?>> serializers = new HashMap<>();
private static final ConcurrentMap<String, JSONSerializer<?>> serializers = new ConcurrentHashMap<>();
private static final String ROOT_PACKAGE = "serializer.";
private final ClassPool pool = ClassPool.getDefault();
@ -47,43 +50,31 @@ public class SynthSerializerFactory implements SerializerFactory {
}
}
public <T> JSONSerializer<T> createSerializer(Class<T> beanjavaClass) {
try {
CtClass beanClass = pool.get(beanjavaClass.getName());
return createSerializer(beanClass);
} catch (NotFoundException e) {
throw new SerializerCreationException(e);
}
}
@SuppressWarnings("unchecked")
private <T> JSONSerializer<T> createSerializer(CtClass beanClass) {
if (serializers.containsKey(createSerializerName(beanClass))) {
return (JSONSerializer<T>) serializers.get(createSerializerName(beanClass));
}
public <T> JSONSerializer<T> createSerializer(Class<T> beanjavaClass) {
String serializerName = createSerializerName(beanjavaClass);
return (JSONSerializer<T>) serializers.computeIfAbsent(serializerName, key -> {
try {
return tryCreateSerializer(beanClass);
} catch (NotFoundException | CannotCompileException | ReflectiveOperationException e) {
throw new SerializerCreationException(e);
}
}
private <T> JSONSerializer<T> tryCreateSerializer(CtClass beanClass) throws NotFoundException, CannotCompileException, ReflectiveOperationException {
CtClass serializerClass = pool.makeClass(createSerializerName(beanClass), serializerBase);
CtClass beanClass = pool.get(beanjavaClass.getName());
CtClass serializerClass = pool.makeClass(serializerName, serializerBase);
addToJsonStringMethod(beanClass, serializerClass);
JSONSerializer<T> jsonSerializer = createSerializerInstance(serializerClass);
return createSerializerInstance(serializerClass);
serializers.put(createSerializerName(beanClass), jsonSerializer);
return jsonSerializer;
} catch (NotFoundException | CannotCompileException | ReflectiveOperationException e) {
e.printStackTrace();
throw new SerializerCreationException(e);
}
});
}
/*
* create method source, compile it and add it to the class under construction
*/
private void addToJsonStringMethod(CtClass beanClass, CtClass serializerClass) throws NotFoundException, CannotCompileException {
private void addToJsonStringMethod(CtClass beanClass, CtClass serializerClass) throws
NotFoundException, CannotCompileException {
String body = createToJSONStringMethodSource(beanClass);
serializerClass.addMethod(CtNewMethod.make(body, serializerClass));
}
@ -146,7 +137,8 @@ public class SynthSerializerFactory implements SerializerFactory {
/*
* If the class contains fields for which public getters are available, then these will be called in the generated code.
*/
private String addGetterCallers(CtClass beanClass, String source, List<CtMethod> getters) throws NotFoundException {
private String addGetterCallers(CtClass beanClass, String source, List<CtMethod> getters) throws
NotFoundException {
int index = 0;
source += "\treturn ";
source += "\"{";
@ -161,8 +153,9 @@ public class SynthSerializerFactory implements SerializerFactory {
}
@SuppressWarnings("unchecked")
private <T> JSONSerializer<T> createSerializerInstance(CtClass serializerClass) throws CannotCompileException, ReflectiveOperationException {
return (JSONSerializer<T>) serializerClass.toClass().getConstructor().newInstance();
private <T> JSONSerializer<T> createSerializerInstance(CtClass serializerClass) throws
CannotCompileException, ReflectiveOperationException {
return (JSONSerializer<T>) pool.toClass(serializerClass).getConstructor().newInstance();
}
/*
@ -170,25 +163,30 @@ public class SynthSerializerFactory implements SerializerFactory {
*
* Array marks ( '[]' ) are replaced by the 'Array', Otherwise the SerializerClassName would be syntactically incorrect
*/
public String createSerializerName(CtClass beanClass) {
public String createSerializerName(Class<?> beanClass) {
return createSerializerName(beanClass.getName());
}
public String createSerializerName(String name) {
return ROOT_PACKAGE + name.replaceAll("\\[\\]", "Array") + "Serializer";
return ROOT_PACKAGE + name.replaceAll("\\[]", "Array") + "Serializer";
}
private boolean isCollection(CtClass beanClass) throws NotFoundException {
List<CtClass> interfaces = new ArrayList<>(asList(beanClass.getInterfaces()));
interfaces.add(beanClass);
boolean is = interfaces.stream().anyMatch(interfaze -> interfaze.getName().equals(COLLECTION) || interfaze.getName().equals(LIST) || interfaze.getName().equals(SET));
return is;
return interfaces.stream()
.map(CtClass::getName)
.anyMatch(interfaze -> interfaze.equals(COLLECTION) || interfaze.equals(LIST) || interfaze.equals(SET));
}
private boolean isMap(CtClass beanClass) throws NotFoundException {
List<CtClass> interfaces = new ArrayList<>(asList(beanClass.getInterfaces()));
interfaces.add(beanClass);
return interfaces.stream().anyMatch(i -> mapInterfaces.contains(i.getName()));
if (mapInterfaces.contains(beanClass.getName())) {
return true;
} else {
return Arrays.stream(beanClass.getInterfaces())
.map(CtClass::getName)
.anyMatch(mapInterfaces::contains);
}
}
/*
@ -218,7 +216,8 @@ public class SynthSerializerFactory implements SerializerFactory {
return source;
}
private String createSubSerializerForReturnTypeAndAddInvocationToSource(CtClass classToSerialize, CtMethod getter, String source, CtClass returnType) {
private String createSubSerializerForReturnTypeAndAddInvocationToSource(CtClass classToSerialize, CtMethod
getter, String source, CtClass returnType) {
/* NB there does not seem to be auto(un))boxing nor generic types (or other jdk1.5 stuff) in javassist compileable code */
source += "\"+" + Serializer.class.getName() + ".toJSONString(";

87
src/main/resources/css/app.css Normal file
View file

@ -0,0 +1,87 @@
body {
background:white;
font: normal 12px/150% Arial, Helvetica, sans-serif;
padding:2px;
}
#callstack-view{
padding: 10px;
border: 1px solid #006699;
border-radius: 3px;
}
#datagrid table {
border-collapse: collapse;
text-align: left;
width: 100%;
}
#datagrid {
padding: 10px;
font: normal 12px Arial, Helvetica, sans-serif;
background: #fff;
border: 1px solid #006699;
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
}
#datagrid table thead th:first-child {
border: none;
}
#datagrid table tbody tr {
color: #00496B;
border-left: 1px solid #E1EEF4;
font-size: 12px;
font-weight: normal;
}
#datagrid table tbody .alt td {
background: #E1EEF4;
}
#datagrid table tbody td:first-child {
border-left: none;
}
#datagrid table tbody tr:last-child td {
border-bottom: none;
}
#datagrid table tfoot td div {
border-top: 1px solid #006699;
background: #E1EEF4;
}
#datagrid table tfoot td {
padding: 0;
font-size: 12px
}
#datagrid table tfoot td div {
padding: 2px;
}
#datagrid table tfoot td ul {
margin: 0;
padding: 0;
list-style: none;
text-align: right;
}
#datagrid table tfoot li {
display: inline;
}
#datagrid tbody tr:hover {
text-decoration: none;
border-color: #006699;
color: #FFFFFF;
background: none;
background-color: #00557F;
}
div.dhtmlx_window_active, div.dhx_modal_cover_dv {
position: fixed !important;
}

86
src/main/resources/css/tree.css Normal file
View file

@ -0,0 +1,86 @@
.tree, .tree ul {
margin:0;
padding:0;
list-style:none
}
.tree ul {
margin-left:1em;
position:relative
}
.tree ul ul {
margin-left:.5em
}
.tree ul:before {
content:"";
display:block;
width:0;
position:absolute;
top:0;
bottom:0;
left:0;
border-left:1px solid
}
.tree li {
margin:0;
padding:0 1em;
line-height:2em;
color:#369;
position:relative
}
.tree ul li:before {
content:"";
display:block;
width:10px;
height:0;
border-top:1px solid;
margin-top:-1px;
position:absolute;
top:1em;
left:0
}
.tree ul li:last-child:before {
background:#fff;
height:auto;
top:1em;
bottom:0
}
.indicator {
margin-right:5px;
}
.tree li a {
text-decoration: none;
color:#369;
}
.tree li button, .tree li button:active, .tree li button:focus {
text-decoration: none;
color:#369;
border:none;
background:transparent;
margin:0;
padding:0;
outline: 0;
}
.glyphicon {
position: relative;
font-style: normal;
font-weight: bold;
font-size: 20px;
}
.glyphicon-plus-sign::before {
content: "+";
}
.glyphicon-min-sign::before {
content: "-";
/*transform: translate(0,-5px);*/
}
.hidden{
display: none;
}
.visible{
display: block;
}

25
src/main/resources/index.html Normal file
View file

@ -0,0 +1,25 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Perfix</title>
<link rel="stylesheet" href="/css/app.css">
<link rel="stylesheet" href="/css/tree.css">
</head>
<body>
<div id="main">
<div id="table-view">
<h1>List of invocations</h1>
<label for="name-filter">filter name </label><input id="name-filter" type="text" onkeyup="update_filter()">
<div id="datagrid"></div>
</div>
<div id="callstack-view">
<h1>Callstack</h1>
<div id="datatree" class="tree"></div>
</div>
</div>
<script type="application/ecmascript" src="/js/axios.min.js"></script>
<script type="application/ecmascript" src="/js/app.js"></script>
</body>
</html>

172
src/main/resources/js/app.js Normal file
View file

@ -0,0 +1,172 @@
let name_filter = "";
let datatable, callstack_data;
const datagrid = document.getElementById("datagrid");
const datatree = document.getElementById("datatree");
function refresh_data_grid() {
if (datagrid.firstChild) {
datagrid.removeChild(datagrid.firstChild);
}
const table = append_table(datagrid);
let row, name;
table.thead().tr()
.th("name")
.th("invocations")
.th("total duration")
.th("average");
const tbody = table.tbody();
for (let i = 0; i < datatable.data.length; i++) {
row = datatable.data[i];
name = row.name;
if (name_filter.length === 0 || name.includes(name_filter)) {
tbody.tr()
.td(name)
.td(row["invocations"])
.td(row["totalDuration"] / 1000000 + " ms")
.td(row["average"] / 1000000 + " ms");
}
}
}
function update_filter() {
name_filter = document.getElementById("name-filter").value;
if (datatable) {
refresh_data_grid();
}
}
function append_table(parent) {
const table = document.createElement("table");
parent.appendChild(table);
return {
thead: function () {
let thead = document.createElement("thead");
table.appendChild(thead);
return {
tr: function () {
let new_tr = document.createElement("tr");
thead.appendChild(new_tr);
let th = function (text) {
let new_td = document.createElement("th");
new_td.innerText = text;
new_tr.appendChild(new_td);
return {
th
}
}
return {
th
}
}
}
},
tbody: function () {
let tbody = document.createElement("tbody");
table.appendChild(tbody);
return {
tr: function () {
let new_tr = document.createElement("tr");
tbody.appendChild(new_tr);
let td = function (text) {
let new_td = document.createElement("td");
new_td.innerText = text;
new_tr.appendChild(new_td);
return {
td
}
}
return {
td
}
}
}
},
tr: function () {
let new_tr = document.createElement("tr");
table.appendChild(new_tr);
let td = function (text) {
let new_td = document.createElement("td");
new_td.innerText = text;
new_tr.appendChild(new_td);
return {
td
}
}
return {
td
}
}
}
}
// (function tabular_view() {
// }());
function appendChildren(parent, nodes) {
let node;
for (let i = 0; i < nodes.length; i++) {
node = nodes[i];
let li = document.createElement("li");
let branch = document.createElement("i");
if (node.children.length > 0) {
branch.setAttribute("class", "indicator glyphicon glyphicon-plus-sign");
branch.onclick = function (event) {
let icon = event.currentTarget.parentElement.firstChild;
let ul_to_toggle = icon.nextSibling.nextSibling;
if (ul_to_toggle.getAttribute("class") === "visible") {
icon.setAttribute("class", "indicator glyphicon glyphicon-plus-sign");
ul_to_toggle.setAttribute("class", "hidden");
} else {
icon.setAttribute("class", "indicator glyphicon glyphicon-min-sign");
ul_to_toggle.setAttribute("class", "visible");
}
};
}
let label = document.createElement("a");
label.innerText = Math.floor(node["invocation"].duration / 1000) / 1000 + " ms " + node.name;
li.appendChild(branch);
li.appendChild(label);
let ul = document.createElement("ul");
ul.setAttribute("class", "hidden");
li.appendChild(ul);
appendChildren(ul, node.children);
parent.appendChild(li);
}
}
function refresh_data_tree() {
let datatree = document.getElementById("datatree");
let new_div = document.createElement("div");
new_div.setAttribute("class", "callstack-tree");
datatree.appendChild(new_div);
appendChildren(new_div, callstack_data);
}
(function main() {
update_filter();
axios.get('http://localhost:2048/report')
.then(response => {
datatable = response;
refresh_data_grid();
});
axios.get('http://localhost:2048/callstack')
.then(response => {
callstack_data = response.data;
refresh_data_tree();
});
}());

3
src/main/resources/js/axios.min.js vendored Normal file
View file

File diff suppressed because one or more lines are too long

1
src/main/resources/js/axios.min.map Normal file
View file

File diff suppressed because one or more lines are too long

2
src/testapp/java/testperfix/cmdline/App.java
View file

@ -68,7 +68,7 @@ public class App {
e.printStackTrace();
}
if (level < 1000) {
if (level < 10) {
someOtherMethod(level + 1);
}
}