Linux Performance Tuning (LF426) - Course Outline

1. Introduction
• Linux Foundation
• Linux Foundation Training
• Logistics
2. Performance Optimization Principles
• Methodology
• Optimization Process
• Investigation Tools
3. Benchmarking
• Performance Benchmarks
• Synthetic Benchmarks
• Application Benchmarks
4. Tuning Interfaces
• Kernel Tunables
• Kernel Parameters
• Application Interfaces
• Hardware Tunables
5. Monitoring Interfaces
• /proc Filesystem
• Command-line Utilities
• Performance Data Collection
• Nagios
• Kernel Monitoring
6. Profiling Techniques and Tools
• Performance Monitoring
• Counters
• Performance Ratios
• Kernel vs Application Profiling
• oprofile
• Perf
• Available perf events
• Acquiring Performance Data with perf
• Monitoring Performance from Within the Application
• User Space Performance Monitoring with gprof
7. Tracing Tools
• User Space Tracing
• strace
• Library Tracing
• Kernel Tracing
• FTrace
• Systemtap
• Tracing Applications with Systemtap
8. CPU Subsystem
• CPU Concepts and Architecture
• CPU-Level Optimizations
• Specialized Instruction Sets
• CPU Topologies
• BIOS Settings
9. Power Management
• Device Power Management
• CPU Power Saving States
• Frequency Scaling
• Power Management Tools
10. Process Scheduling
• Design
• Scheduling Policies
• Scheduling Tunable Settings
• CPU Affinity and Isolation
• Interrupt Affinity
11. Memory Subsystem
• Overview
• Page Lookup Optimization and Huge Pages
• Controlling Swapping from Applications
• Minimizing Faults
12. NUMA Optimizations
• Key NUMA Concepts
• CPU Concepts and Architecture
• numa memory allocation
• NUMA Statistics
13. I/O Subsystem
• Storage Stack Overview
• I/O Scheduler Concepts
• I/O Scheduler Algorithms
• Hardware Considerations
• Tuning Storage Devices
14. Local Filesystems
• Choosing the Right Filesystem
• Ext2/3/4 Journaling Modes
• Filesystem Attributes
15. Network Filesystems
• Network File System (NFS)
• NFSv4
• pNFS
16. Storage and IO
• Software RAID Refresher
• RAID Levels
• RAID configuration
• Logical volumes
• Volumes and Volume Groups
• Creating Logical Volumes
• Raw Devices
• Asynchronous I/O
17. Analyzing the I/O Subsystem
• iostats
• iotop
• blktrace
• blkparse
• btrace
• btt
• blkiomon
18. Network Subsystem Optimization
• Network Stack Overview
• Optimizing for Latency and Throughput
• Network Interface Hardware Settings
• Optimizing for Network Throughput
• Optimizing for Network Latency
• Buffer Sizes
• Queue Sizes
• Offloading Techniques
• TCP Optimization
• Monitoring and Diagnostic Tools
19. Conclusion

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