Lfs Pro Tweaker 7d Direct
CFLAGS="-march=native -mtune=native -O3 -pipe -flto=auto -fuse-linker-plugin -fomit-frame-pointer" CXXFLAGS="$CFLAGS" MAKEFLAGS="-j$(nproc)" : Automatic detection of -march via gcc -march=native -Q --help=target and fallback to -march=x86-64-v3 for older compilers. 3.2 Kernel Sysctl Tuning The script generates a file under /etc/sysctl.d/ . Example for a database server:
Select a profile:
| Partition | Options (example for NVMe) | |-----------|----------------------------| | / | noatime,commit=60,errors=remount-ro | | /home | noatime,nodiratime,nodev,nosuid | | swap | sw,pri=1 | lfs pro tweaker 7d
lfs-pro-tweaker --apply-profile hpc-compute To customize, copy a profile and edit: errors=remount-ro | | /home | noatime
| Profile | Target Use Case | Aggressiveness | |-----------------------|--------------------------------------|----------------| | desktop-lowlatency | Audio production, gaming | High on IO, med on CPU | | server-throughput | Web servers, file servers | High on network, low on power | | powersave-laptop | Battery life, thermal limits | Conservative CPU/IO | | hpc-compute | Scientific computing, rendering | Extreme, NUMA-aware | | embedded-router | Low RAM, flash storage | Minimal services, async IO | | generic-stock | Safe fallback (no changes) | None | nosuid | | swap | sw
lfs-pro-tweaker --list-backups # 2026-04-18-103522 - before profile hpc-compute # 2026-04-17-221001 - before profile desktop-lowlatency lfs-pro-tweaker --restore 2026-04-18-103522
lfs-pro-tweaker --benchmark quick # 2 minutes: sysbench CPU + memory + fileio lfs-pro-tweaker --benchmark full # 20 minutes: adds netperf, iperf3, fio Example output (Intel i9-13900K, DDR5, PCIe 5.0 NVMe):