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examples/development-workstation.md
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382
examples/development-workstation.md
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# Development Workstation Configuration Example
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This example demonstrates WiseTLP configuration for a development workstation optimized for coding, compiling, and development workflows while maintaining energy efficiency.
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## System Specifications
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- **System**: Desktop workstation / High-end laptop
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- **CPU**: AMD Ryzen 9 5900X (12 cores, 24 threads)
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- **RAM**: 64GB DDR4-3200
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- **Storage**: 2TB NVMe SSD (primary) + 4TB HDD (storage)
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- **GPU**: NVIDIA RTX 3060 (for CUDA development)
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- **Power**: 650W PSU / 100Wh battery (if laptop)
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- **Display**: Dual 27" 4K monitors
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## User Preferences
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```
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Power Profile: Balanced
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Use Case: Development
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Battery Priority: Runtime (if applicable)
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Performance Mode: Adaptive
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Special Requirements:
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- Fast system wake/sleep
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- Minimize fan noise during coding
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- Optimize for external displays
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- Maximum performance during compilation
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```
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## Generated TLP Configuration
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### General Settings
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```bash
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TLP_ENABLE=1
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TLP_WARN_LEVEL=3
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TLP_DEBUG=0
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```
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### CPU Management
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```bash
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# Adaptive CPU scaling for development workloads
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CPU_SCALING_GOVERNOR_ON_AC=ondemand
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CPU_SCALING_GOVERNOR_ON_BAT=powersave
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# Allow full frequency range for compilation
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CPU_SCALING_MIN_FREQ_ON_AC=2200000
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CPU_SCALING_MAX_FREQ_ON_AC=4950000
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# Conservative battery frequencies
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CPU_SCALING_MIN_FREQ_ON_BAT=2200000
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CPU_SCALING_MAX_FREQ_ON_BAT=3600000
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# Balanced platform profiles
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PLATFORM_PROFILE_ON_AC=balanced
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PLATFORM_PROFILE_ON_BAT=low-power
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# Responsive energy performance
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CPU_ENERGY_PERF_POLICY_ON_AC=balance_performance
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CPU_ENERGY_PERF_POLICY_ON_BAT=balance_power
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# Turbo boost for compilation workloads
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CPU_BOOST_ON_AC=1
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CPU_BOOST_ON_BAT=0
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# Hardware P-states
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CPU_HWP_DYN_BOOST_ON_AC=1
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CPU_HWP_DYN_BOOST_ON_BAT=0
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```
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**Rationale**: Development work requires responsive performance for IDE operations and maximum performance for compilation. Ondemand governor provides good balance between responsiveness and power efficiency.
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### Memory and Swap Management
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```bash
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# Optimize for large development environments
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VM_DIRTY_WRITEBACK_CENTISECS_ON_AC=500
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VM_DIRTY_WRITEBACK_CENTISECS_ON_BAT=1500
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# Laptop mode for battery
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VM_LAPTOP_MODE_ON_AC=0
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VM_LAPTOP_MODE_ON_BAT=5
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```
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**Rationale**: Development environments often use significant memory. Balanced writeback settings ensure good I/O performance without excessive disk activity.
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### Storage Management
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```bash
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# High performance for development tools and compilation
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DISK_APM_LEVEL_ON_AC=254
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DISK_APM_LEVEL_ON_BAT=192
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# No spindown for SSDs, moderate for HDDs
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DISK_SPINDOWN_TIMEOUT_ON_AC=0
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DISK_SPINDOWN_TIMEOUT_ON_BAT=240
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# Optimize SATA link power
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SATA_LINKPWR_ON_AC=max_performance
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SATA_LINKPWR_ON_BAT=medium_power
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# NVMe optimization for development
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AHCI_RUNTIME_PM_ON_AC=on
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AHCI_RUNTIME_PM_ON_BAT=auto
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# Disk device IDs for different handling
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DISK_DEVICES="nvme0n1 sda"
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DISK_APM_CLASS_DENYLIST="usb ieee1394"
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```
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**Rationale**: Development requires fast I/O for IDE operations, file indexing, and compilation. SSD performance is prioritized while HDD is allowed moderate power saving.
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### Network Configuration
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```bash
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# Reliable networking for remote development
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WIFI_PWR_ON_AC=off
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WIFI_PWR_ON_BAT=on
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# Ethernet optimization
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WOL_DISABLE=N
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# Network device power management
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RUNTIME_PM_DRIVER_DENYLIST="mei_me nouveau nvidia e1000e"
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```
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**Rationale**: Development often requires reliable network connectivity for git operations, remote debugging, and API calls. Power saving on battery preserves runtime.
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### GPU and Graphics
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```bash
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# NVIDIA GPU for CUDA development
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RUNTIME_PM_ON_AC=auto
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RUNTIME_PM_ON_BAT=auto
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# Intel integrated graphics
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INTEL_GPU_MIN_FREQ_ON_AC=300
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INTEL_GPU_MAX_FREQ_ON_AC=1200
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INTEL_GPU_MIN_FREQ_ON_BAT=300
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INTEL_GPU_MAX_FREQ_ON_BAT=600
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# External display optimization
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RUNTIME_PM_DRIVER_DENYLIST="nvidia nouveau"
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```
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**Rationale**: CUDA development requires NVIDIA GPU availability. External displays need reliable graphics performance. Power management is balanced for development needs.
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### USB and Peripheral Management
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```bash
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# Development peripherals optimization
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USB_AUTOSUSPEND=1
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USB_EXCLUDE_AUDIO=1
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USB_EXCLUDE_BTUSB=1
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USB_EXCLUDE_PHONE=1
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# Exclude development devices
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USB_ALLOWLIST="0403:6001 10c4:ea60" # FTDI and CP210x USB-to-serial
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# Runtime PM exclusions
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USB_EXCLUDE_WWAN=1
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USB_EXCLUDE_PRINTER=1
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# Autosuspend delays for development tools
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USB_AUTOSUSPEND_DELAY=2
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```
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**Rationale**: Development often involves USB devices like programmers, debuggers, and serial adapters. These need to remain active while other devices can power save.
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### Audio and Multimedia
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```bash
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# Audio for development (video calls, notifications)
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SOUND_POWER_SAVE_ON_AC=1
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SOUND_POWER_SAVE_ON_BAT=10
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SOUND_POWER_SAVE_CONTROLLER=Y
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# Timeout for development environment
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SOUND_POWER_SAVE_TIMEOUT=10
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```
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**Rationale**: Audio power saving with reasonable timeout for development notifications and video calls without impacting quality.
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### Thermal and Fan Management
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```bash
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# Quiet operation for coding sessions
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TEMP_LIMITS_ON_AC="75/85"
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TEMP_LIMITS_ON_BAT="70/80"
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# Fan speed control for quiet development
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FAN_SPEED_ON_AC=auto
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FAN_SPEED_ON_BAT=auto
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```
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**Rationale**: Lower thermal limits promote quieter fan operation during coding. Higher limits still allow performance during compilation.
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### System Sleep and Power
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```bash
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# Fast wake for development workflow
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RESTORE_DEVICE_STATE_ON_STARTUP=1
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# Devices to keep configured
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DEVICES_TO_DISABLE_ON_STARTUP=""
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# Runtime PM for development
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RUNTIME_PM_ALL=1
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```
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**Rationale**: Development workflow benefits from fast system wake/sleep cycles and maintaining device states for immediate productivity.
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## Development-Specific Optimizations
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### IDE and Editor Performance
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```bash
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# Filesystem optimizations for large codebases
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VM_DIRTY_RATIO=15
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VM_DIRTY_BACKGROUND_RATIO=5
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# I/O scheduler optimization
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DISK_IOSCHED="mq-deadline"
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```
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### Compilation Workloads
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```bash
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# Temporary CPU boost for compilation
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CPU_SCALING_GOVERNOR_ON_AC=performance # During make/ninja
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CPU_SCALING_GOVERNOR_ON_AC=ondemand # Return to balanced
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```
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### Container and Virtualization
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```bash
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# Docker/VM optimization
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VM_SWAPPINESS=10
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VM_VFS_CACHE_PRESSURE=50
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```
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## Performance Characteristics
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### Development Tasks Performance
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- **IDE Startup**: Fast application launch with responsive UI
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- **Code Indexing**: Efficient background processing
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- **File Operations**: Quick file system operations for large projects
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- **Git Operations**: Responsive version control operations
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- **Compilation**: Maximum performance when needed
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### Power Efficiency
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- **Idle Power**: 15-25W desktop, 8-12W laptop
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- **Coding Power**: 45-65W desktop, 15-25W laptop
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- **Compilation Power**: 150-200W desktop, 45-65W laptop
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- **Battery Runtime**: 8-12 hours coding, 3-5 hours compilation
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## Workflow Optimization
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### Morning Startup Routine
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```bash
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# System wake optimization
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RESTORE_THINKPAD_BATTERY_THRESHOLDS=1
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RESTORE_DEVICE_STATE_ON_STARTUP=1
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```
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### Compilation Sessions
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```bash
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# Temporary performance mode
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echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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# Compile project
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make -j$(nproc)
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# Return to balanced
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echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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```
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### End-of-day Shutdown
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```bash
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# Clean shutdown with state preservation
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DEVICES_TO_DISABLE_ON_SHUTDOWN=""
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USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN=0
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```
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## Tool-Specific Configurations
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### Docker Development
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```bash
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# Container runtime optimization
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RUNTIME_PM_DRIVER_DENYLIST="docker0 br-*"
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USB_EXCLUDE_PRINTER=1 # Prevent conflicts
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```
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### Remote Development
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```bash
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# SSH and network optimization
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WIFI_PWR_ON_AC=off
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WIFI_PWR_ON_BAT=on
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WOL_DISABLE=N
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```
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### Database Development
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```bash
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# I/O optimization for databases
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DISK_APM_LEVEL_ON_AC=254
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SATA_LINKPWR_ON_AC=max_performance
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```
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### Web Development
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```bash
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# Browser testing optimization
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RUNTIME_PM_DRIVER_DENYLIST="nvidia nouveau" # For GPU acceleration
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SOUND_POWER_SAVE_ON_AC=0 # For media testing
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```
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## Monitoring and Optimization
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### Development Metrics
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```bash
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# Monitor compilation performance
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time make -j$(nproc)
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# I/O performance for large projects
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iotop -o
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# Memory usage for IDEs
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htop
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# Network performance for remote work
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iftop
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```
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### Power Monitoring
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```bash
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# Real-time power consumption
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sudo powertop --time=30
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# Battery optimization
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sudo tlp-stat -b
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# Thermal monitoring during compilation
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watch -n 1 sensors
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```
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## Troubleshooting
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### Performance Issues
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- **Slow compilation**: Check CPU governor and thermal throttling
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- **IDE lag**: Monitor memory usage and I/O wait
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- **Network issues**: Verify WiFi power management settings
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### Power Issues
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- **High idle power**: Check for runaway processes and USB devices
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- **Poor battery life**: Review active background services
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- **Thermal throttling**: Monitor temperatures during heavy workloads
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### Development Environment Issues
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- **USB device issues**: Check autosuspend settings for development tools
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- **Display problems**: Verify graphics power management
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- **Audio problems**: Check power save timeouts
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## Custom Scripts
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### Development Mode Toggle
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```bash
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#!/bin/bash
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# dev-mode.sh - Toggle between development and power-save modes
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if [ "$1" == "performance" ]; then
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echo "Enabling development performance mode..."
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echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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echo 0 | sudo tee /sys/class/drm/card0/device/power_dpm_force_performance_level
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elif [ "$1" == "balanced" ]; then
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echo "Enabling balanced development mode..."
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echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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echo auto | sudo tee /sys/class/drm/card0/device/power_dpm_force_performance_level
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fi
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```
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### Compilation Optimizer
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```bash
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#!/bin/bash
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# compile-optimized.sh - Optimize system for compilation
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echo "Optimizing for compilation..."
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echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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echo 254 | sudo tee /sys/class/scsi_host/host*/link_power_management_policy
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# Run compilation
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"$@"
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echo "Returning to balanced mode..."
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echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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echo med_power_with_dipm | sudo tee /sys/class/scsi_host/host*/link_power_management_policy
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```
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This configuration provides optimal development performance while maintaining good power efficiency and system responsiveness for professional development workflows.
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