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SUSE - Debugging and Troubleshooting |
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| Course Length - 4 Days | | | | Course Description Linux Debugging and Troubleshooting is a 100% hands-on course for Technology Professionals who need to debug, analyze, and/or troubleshoot problems using the wealth of tools and utilities available for the Linux kernel. | | | | | | Course Prerequisites Technical experience with at least one operating system such as Windows, Netware, UNIX, or a proprietary operating system |
| | | | Course Outline: | | Introduction | | - System Debugging Tools
- Hardware Debugging Tools
- User-Mode Debugging Tools
- Using /proc for Debugging
- Kernel-Mode Debugging Tools
| | | System Debugging Tools | | - System Performance Info (top, etc.)
- System Memory Info (vmstat, etc.)
- System Disk Info (fdisk, df, etc.)
- System Networking Info (netstat, etc.)
- System Log Files (/var/log, etc.)
- System Config Files (/etc/sysconfig, etc.)
| | | Hardware Debugging Tools | | - I/O and Memory (/proc/iomem, etc.)
- Interrupts (/proc/interrupts, etc.)
- PCI Bus (lspci, etc.)
- USB Bus (lsusb, etc.)
- Disks (hdparm, etc.)
- Networking (ethtool, etc.)
- Hardware Debug Tools
| | | User-Mode Debugging Tools | | - Process Tools (ps, etc.)
- Timing Tools (time, etc.)
- Profiling Tools (gprof, etc.)
- Tracing Tools (strace, lstrace, etc.)
- Binary Tools (strings, objdump, etc.)
| | | gdb Debugging | | - Local Debugging
- Core File Debugging
- Attach To Process Debugging
- Remote Debugging
| | | Using /proc for Debugging | | - Process Information
- Kernel Tuning Information
- Hardware Information
- Other Information
| | | Kernel-Mode Debugging | | - dmesg
- Console Log Level
- /proc
- mod utils
- ksymoops
- Magic SysRq
| | | More on dmesg | | - How dmesg works
- Understanding dmesg info
- Log Levels
- Buffer Size Issues
- SMP Issues
| | | Debugging System panics | | - How panic works
- Decoding panic stack info
- Auto reboot options
- Memory dump options
| | | Watchdog Timer Debugging | | - How Watchdog Timers Work
- Software Timers
- Hardware Timers
- Reboot vs Log Options
| | | Building a Kernel for Debugging | | - Obtaining Kernel Source
- Kernel Debug Options
- Memory Debug Options
- Spin Lock Debugging
- Other Debugging Options
- Building and Testing
| | | oprofile Debugging | | - How System Profiling Works
- Building the kernel
- Using oprofile commands
- Using oprofile results
- Other profiling options
| | | SMP Debugging Issues | | - UP vs SMP Kernels
- UP vs SMP Modules
- Spin Lock Issues
- Memory Issues
- Interrupt Issues
| | | kdb - Kernel Debugger | | - Obtaining Patch Files
- Patching and Rebuilding
- kdb Commands
| | | kgdb - GNU Kernel Debugger | | - Kernel Building
- Setup of Dual Machines
- kgdb Operation
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