Skip to content

Instantly share code, notes, and snippets.

View bjackman's full-sized avatar

Brendan Jackman bjackman

View GitHub Profile
❯❯ nix run .#benchmarks.x86_64-linux.firecracker-boot.base
warning: Git tree '/usr/local/google/home/jackmanb/src/kernel-benchmarks-nix' is dirty
evaluation warning: system.stateVersion is not set, defaulting to 25.11. Read why this matters on https://nixos.org/manual/nixos/stable/options.html#opt-system.stateVersion.
2026-02-05T15:17:25.806635567 [anonymous-instance:main] Running Firecracker v1.14.0-dev
2026-02-05T15:17:25.807012325 [anonymous-instance:main] Listening on API socket ("my-microvm.sock").
2026-02-05T15:17:25.807164262 [anonymous-instance:fc_api] API server started.
2026-02-05T15:17:25.829667834 [anonymous-instance:main] Artificially kick devices
2026-02-05T15:17:25.829718715 [anonymous-instance:fc_vcpu 0] Received a VcpuEvent::Resume message with immediate_exit enabled. immediate_exit was disabled before proceeding
2026-02-05T15:17:25.829744657 [anonymous-instance:main] Successfully started microvm that was configured from one single json
2026-02-05T15:17:25.841814774 [anonymous-instance:fc_vc
3c3
< # Linux/x86_64 6.18.0 Kernel Configuration
---
> # Linux/x86 6.18.0 Kernel Configuration
5c5
< CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
---
> CONFIG_CC_VERSION_TEXT="gcc (GCC) 11.5.0 20240719 (Red Hat 11.5.0-5)"
7c7
< CONFIG_GCC_VERSION=140300
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 6.18.0 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.18.0-rc6 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="Debian clang version 19.1.7 (3+build5)"
CONFIG_GCC_VERSION=0
CONFIG_CC_IS_CLANG=y
CONFIG_CLANG_VERSION=190107
CONFIG_AS_IS_LLVM=y
CONFIG_AS_VERSION=190107
{
"boot-source": {
"boot_args": "console=ttyS0,115200 noapic acpi=off reboot=k panic=1 i8042.noaux i8042.nomux i8042.nopnp i8042.dumbkbd 8250.nr_uarts=1 root=fstab loglevel=4 init=/nix/store/5a1cwd0zrxivqwahrzi2zr7qkc0ank2l-nixos-system-my-microvm-25.05.20250523.11cb351/init",
"initrd_path": "/nix/store/c0w7269zhglhhkikccs3yii9ch4syw8i-initrd-linux-6.12.30/initrd",
"kernel_image_path": "/nix/store/4h97jkdi0hj4gnx8awq35iicj6i3x8rk-linux-6.12.30-dev/vmlinux"
},
"drives": [
{
"drive_id": "store",
"io_engine": "Sync",
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.17.0-rc7 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86 6.17.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 14.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140300
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400