v86/tests/benchmark/linux-boot.js
2020-08-30 19:37:15 -05:00

68 lines
1.9 KiB
JavaScript
Executable file

#!/usr/bin/env node
"use strict";
const V86 = require("../../build/libv86.js").V86;
const print_stats = require("../../build/libv86.js").print_stats;
const fs = require("fs");
const path = require("path");
const V86_ROOT = path.join(__dirname, "../..");
const LOG_SERIAL = true;
if(false)
{
var emulator = new V86({
bios: { url: __dirname + "/../../bios/seabios.bin" },
vga_bios: { url: __dirname + "/../../bios/vgabios.bin" },
cdrom: { url: __dirname + "/../../images/linux3.iso" },
autostart: true,
memory_size: 32 * 1024 * 1024,
});
}
else
{
var emulator = new V86({
bios: { url: path.join(V86_ROOT, "/bios/seabios.bin") },
vga_bios: { url: path.join(V86_ROOT, "/bios/vgabios.bin") },
autostart: true,
memory_size: 512 * 1024 * 1024,
vga_memory_size: 8 * 1024 * 1024,
network_relay_url: "<UNUSED>",
bzimage_initrd_from_filesystem: true,
cmdline: "rw init=/bin/systemd root=host9p console=ttyS0 spectre_v2=off pti=off",
filesystem: {
basefs: {
url: path.join(V86_ROOT, "/images/debian-base-fs.json"),
},
baseurl: path.join(V86_ROOT, "/images/debian-9p-rootfs-flat/"),
},
screen_dummy: true,
});
}
emulator.bus.register("emulator-started", function()
{
console.error("Booting now, please stand by");
start_time = Date.now();
});
var serial_text = "";
var start_time;
emulator.add_listener("serial0-output-char", function(c)
{
if(LOG_SERIAL) process.stdout.write(c);
serial_text += c;
if(serial_text.endsWith("~% ") || serial_text.endsWith("root@localhost:~# "))
{
const end_time = Date.now();
const elapsed = end_time - start_time;
console.log("Done in %dms", elapsed);
emulator.stop();
const cpu = emulator.v86.cpu;
console.log(print_stats.stats_to_string(cpu));
}
});