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System Analysis and Tuning Guide › Kernel tuning
ContentsContents
System Analysis and Tuning Guide
  1. Preface
  2. I Basics
    1. 1 General notes on system tuning
  3. II System monitoring
    1. 2 System monitoring utilities
    2. 3 System log files
  4. III Kernel monitoring
    1. 4 SystemTap—filtering and analyzing system data
    2. 5 Kernel probes
    3. 6 Hardware-based performance monitoring with Perf
    4. 7 OProfile—system-wide profiler
    5. 8 Dynamic debug—kernel debugging messages
  5. IV Resource management
    1. 9 General system resource management
    2. 10 Kernel control groups
    3. 11 Automatic Non-Uniform Memory Access (NUMA) balancing
    4. 12 Power management
  6. V Kernel tuning
    1. 13 Tuning I/O performance
    2. 14 Tuning the task scheduler
    3. 15 Tuning the memory management subsystem
    4. 16 Tuning the network
  7. VI Handling system dumps
    1. 17 Tracing tools
    2. 18 Kexec and Kdump
    3. 19 Using systemd-coredump to debug application crashes
  8. VII Synchronized clocks with Precision Time Protocol
    1. 20 Precision Time Protocol
  9. A GNU licenses
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Applies to openSUSE Leap 15.7

Part V Kernel tuning Edit source

Revision History
2026-09-01
2026-03-31

Modified values and explanation for sched_min_granularity_ns and sched_wakeup_granularity_ns

13 Tuning I/O performance

14 Tuning the task scheduler

The scheduler statistics reference shipped with the kernel source is named sched-stats.rst.

15 Tuning the memory management subsystem

16 Tuning the network

→Chapter 13 Tuning I/O performance←Chapter 12 Power management
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