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nitka
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iterate some traces

master
A.Olokhtonov 4 months ago
commit
432fd08944
6 changed files with 238 additions and 0 deletions
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  1. 11
      default.css
  2. 23
      index.html
  3. 5
      index.js
  4. 52
      input.js
  5. 147
      parse.js
  6. 0
      render.js

11
default.css
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html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
body .main {
height: 100%;
}

23
index.html
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<!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>

5
index.js
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document.addEventListener('DOMContentLoaded', main);
function main() {
init_listeners();
}

52
input.js
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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);
}

147
parse.js
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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;
}

0
render.js
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