iterate some traces

4 months ago · 432fd08944
6 changed files with 238 additions and 0 deletions
--- a/default.css
+++ b/default.css
@ -0,0 +1,11 @@
				@@ -0,0 +1,11 @@
+html, body {
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+}
+
+body .main {
+    height: 100%;
+}
--- a/index.html
+++ b/index.html
@ -0,0 +1,23 @@
				@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Nitka</title>
+
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
+
+    <link rel="shortcut icon" href="icons/favicon.svg" id="favicon">
+    <link rel="stylesheet" type="text/css" href="default.css">
+
+    <!--    <link rel="preload" href="icons/picker.svg" as="image" type="image/svg+xml" /> -->
+
+    <script type="text/javascript" src="index.js"></script>
+    <script type="text/javascript" src="parse.js"></script>
+    <script type="text/javascript" src="render.js"></script>
+    <script type="text/javascript" src="input.js"></script>
+</head>
+<body>
+    <div class="main">
+    </div>
+</body>
+</html>
--- a/index.js
+++ b/index.js
@ -0,0 +1,5 @@
				@@ -0,0 +1,5 @@
+document.addEventListener('DOMContentLoaded', main);
+
+function main() {
+    init_listeners();
+}
--- a/input.js
+++ b/input.js
@ -0,0 +1,52 @@
				@@ -0,0 +1,52 @@
+function init_listeners() {
+    document.querySelector('.main').addEventListener('dragover', cancel);
+    document.querySelector('.main').addEventListener('drop', drop);
+}
+
+function cancel(e) {
+    e.preventDefault();
+    e.stopPropagation();
+}
+
+function drop(e) {
+    e.preventDefault();
+
+    if (e.dataTransfer.files.length !== 1) {
+        console.error('Only one file at once, please!');
+        return false;
+    }
+
+    const file = e.dataTransfer.files[0];
+    const fr = new FileReader();
+    
+    const upload_failed = () => {
+        console.error('Upload failed');
+    };
+
+    const upload_started = () => {
+        console.log('Upload started');
+    };
+
+    const upload_finished = () => {
+        const text = fr.result;
+        console.log('Finished. String length:', text.length);
+        parse(text);        
+    };
+
+    const upload_progress = (e) => {
+        if (e.lengthComputable) {
+            const percent = Math.floor(e.loaded / e.total * 100);
+            console.log(`Progress: ${percent}%`);
+        } else {
+            console.log('Progress: unknown');
+        }
+    };
+
+    fr.addEventListener('abort', upload_failed);
+    fr.addEventListener('error', upload_failed);
+    fr.addEventListener('load', upload_finished);
+    fr.addEventListener('loadstart', upload_started);
+    fr.addEventListener('progress', upload_progress);
+
+    fr.readAsText(file);
+}
--- a/parse.js
+++ b/parse.js
@ -0,0 +1,147 @@
				@@ -0,0 +1,147 @@
+function parse(text) {
+    // https://github.com/shioyadan/Konata/blob/master/docs/kanata-log-format.md
+
+    const before = performance.now();
+
+    let line_start = 0;
+    let line_index = 0;
+
+    //console.log(text);
+
+    for (let i = 0; i < text.length; ++i) {
+        const c = text[i];
+    
+        if (c === '\n') {
+            // TODO: speed
+            const line_copy = text.substring(line_start, i);
+            const line_parts = line_copy.split(/\s+/);
+
+            if (line_parts.length === 0) {
+                console.error('Parser error: empty line');
+                return false;
+            }
+
+            const command = line_parts[0];
+            switch (command) {
+                case 'Kanata': {
+                    if (!assert_arglen(line_parts, 1, 'Kanata')) return false;
+
+                    const version = Number(line_parts[1]);
+                    if (version !== 4) {
+                        console.error('Parser error: only Kanata traces version 4 are supported');
+                        return false;
+                    }
+
+                    break;
+                }
+
+                case 'C=': {
+                    if (!assert_arglen(line_parts, 1, 'C=')) return false;
+
+                    const cycles = Number(line_parts[1]);
+
+                    break;
+                }
+
+                case 'C': {
+                    if (!assert_arglen(line_parts, 1, 'C')) return false;
+
+                    const cycles = Number(line_parts[1]);
+
+                    break;
+                }
+
+                case 'I': {
+                    if (!assert_arglen(line_parts, 3, 'I')) return false;
+
+                    const insn_id_in_file = Number(line_parts[1]);
+                    const insn_id_in_sim = Number(line_parts[2]);
+                    const thread_id = Number(line_parts[3]);
+
+                    break;
+                }
+
+                case 'L': {
+                    if (!assert_arglenmin(line_parts, 3, 'L')) return false;
+
+                    const id = Number(line_parts[1]);
+                    const type = Number(line_parts[2]);
+                    const text = line_parts.slice(3).join(' '); // TODO: preserve spacing, newlines
+
+                    break;
+                }
+
+                case 'S': {
+                    if (!assert_arglen(line_parts, 3, 'S')) return false;
+
+                    const id = Number(line_parts[1]);
+                    const lane = Number(line_parts[2]);
+                    const stage = line_parts[3];
+
+                    break;
+                }
+
+                case 'E': {
+                    if (!assert_arglen(line_parts, 3, 'E')) return false;
+
+                    const id = Number(line_parts[1]);
+                    const lane = Number(line_parts[2]);
+                    const stage = line_parts[3];
+
+                    break;
+                }
+
+                case 'R': {
+                    if (!assert_arglen(line_parts, 3, 'R')) return false;
+
+                    const id = Number(line_parts[1]);
+                    const retire_id = Number(line_parts[2]);
+                    const type = Number(line_parts[3]);
+
+                    break;
+                }
+
+                case 'W': {
+                    if (!assert_arglen(line_parts, 3, 'W')) return false;
+
+                    const consumer_id = Number(line_parts[1]);
+                    const producer_id = Number(line_parts[2]);
+                    const type = Number(line_parts[3]);
+
+                    break;
+                }
+
+                default: {
+                    console.error('Parser error: unexpected command', command);
+                    return false;
+                }
+            }
+            //console.log(command);
+
+            line_start = i + 1;
+            line_index += 1;
+        }
+    }
+
+    const after = performance.now();
+
+    console.log(`Parsed in ${Math.round(after - before)}ms`);
+}
+
+function assert_arglen(args, arglen, command) {
+    if (args.length !== arglen + 1) {
+        console.error(`Parser error: command ${command} requires ${arglen} argument(s)`);
+        return false;
+    }
+
+    return true;
+}
+
+function assert_arglenmin(args, arglen, command) {
+    if (args.length < arglen + 1) {
+        console.error(`Parser error: command ${command} requires at least ${arglen} argument(s)`);
+        return false;
+    }
+
+    return true;
+}
--- a/render.js
+++ b/render.js