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WiseTLP/examples/development-workstation.md
iwasforcedtobehere afeb139f5a yoohoo
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Development Workstation Configuration Example

This example demonstrates WiseTLP configuration for a development workstation optimized for coding, compiling, and development workflows while maintaining energy efficiency.

System Specifications

  • System: Desktop workstation / High-end laptop
  • CPU: AMD Ryzen 9 5900X (12 cores, 24 threads)
  • RAM: 64GB DDR4-3200
  • Storage: 2TB NVMe SSD (primary) + 4TB HDD (storage)
  • GPU: NVIDIA RTX 3060 (for CUDA development)
  • Power: 650W PSU / 100Wh battery (if laptop)
  • Display: Dual 27" 4K monitors

User Preferences

Power Profile: Balanced
Use Case: Development
Battery Priority: Runtime (if applicable)
Performance Mode: Adaptive
Special Requirements: 
  - Fast system wake/sleep
  - Minimize fan noise during coding
  - Optimize for external displays
  - Maximum performance during compilation

Generated TLP Configuration

General Settings

TLP_ENABLE=1
TLP_WARN_LEVEL=3
TLP_DEBUG=0

CPU Management

# Adaptive CPU scaling for development workloads
CPU_SCALING_GOVERNOR_ON_AC=ondemand
CPU_SCALING_GOVERNOR_ON_BAT=powersave

# Allow full frequency range for compilation
CPU_SCALING_MIN_FREQ_ON_AC=2200000
CPU_SCALING_MAX_FREQ_ON_AC=4950000

# Conservative battery frequencies
CPU_SCALING_MIN_FREQ_ON_BAT=2200000
CPU_SCALING_MAX_FREQ_ON_BAT=3600000

# Balanced platform profiles
PLATFORM_PROFILE_ON_AC=balanced
PLATFORM_PROFILE_ON_BAT=low-power

# Responsive energy performance
CPU_ENERGY_PERF_POLICY_ON_AC=balance_performance
CPU_ENERGY_PERF_POLICY_ON_BAT=balance_power

# Turbo boost for compilation workloads
CPU_BOOST_ON_AC=1
CPU_BOOST_ON_BAT=0

# Hardware P-states
CPU_HWP_DYN_BOOST_ON_AC=1
CPU_HWP_DYN_BOOST_ON_BAT=0

Rationale: Development work requires responsive performance for IDE operations and maximum performance for compilation. Ondemand governor provides good balance between responsiveness and power efficiency.

Memory and Swap Management

# Optimize for large development environments
VM_DIRTY_WRITEBACK_CENTISECS_ON_AC=500
VM_DIRTY_WRITEBACK_CENTISECS_ON_BAT=1500

# Laptop mode for battery
VM_LAPTOP_MODE_ON_AC=0
VM_LAPTOP_MODE_ON_BAT=5

Rationale: Development environments often use significant memory. Balanced writeback settings ensure good I/O performance without excessive disk activity.

Storage Management

# High performance for development tools and compilation
DISK_APM_LEVEL_ON_AC=254
DISK_APM_LEVEL_ON_BAT=192

# No spindown for SSDs, moderate for HDDs
DISK_SPINDOWN_TIMEOUT_ON_AC=0
DISK_SPINDOWN_TIMEOUT_ON_BAT=240

# Optimize SATA link power
SATA_LINKPWR_ON_AC=max_performance
SATA_LINKPWR_ON_BAT=medium_power

# NVMe optimization for development
AHCI_RUNTIME_PM_ON_AC=on
AHCI_RUNTIME_PM_ON_BAT=auto

# Disk device IDs for different handling
DISK_DEVICES="nvme0n1 sda"
DISK_APM_CLASS_DENYLIST="usb ieee1394"

Rationale: Development requires fast I/O for IDE operations, file indexing, and compilation. SSD performance is prioritized while HDD is allowed moderate power saving.

Network Configuration

# Reliable networking for remote development
WIFI_PWR_ON_AC=off
WIFI_PWR_ON_BAT=on

# Ethernet optimization
WOL_DISABLE=N

# Network device power management
RUNTIME_PM_DRIVER_DENYLIST="mei_me nouveau nvidia e1000e"

Rationale: Development often requires reliable network connectivity for git operations, remote debugging, and API calls. Power saving on battery preserves runtime.

GPU and Graphics

# NVIDIA GPU for CUDA development
RUNTIME_PM_ON_AC=auto
RUNTIME_PM_ON_BAT=auto

# Intel integrated graphics
INTEL_GPU_MIN_FREQ_ON_AC=300
INTEL_GPU_MAX_FREQ_ON_AC=1200
INTEL_GPU_MIN_FREQ_ON_BAT=300
INTEL_GPU_MAX_FREQ_ON_BAT=600

# External display optimization
RUNTIME_PM_DRIVER_DENYLIST="nvidia nouveau"

Rationale: CUDA development requires NVIDIA GPU availability. External displays need reliable graphics performance. Power management is balanced for development needs.

USB and Peripheral Management

# Development peripherals optimization
USB_AUTOSUSPEND=1
USB_EXCLUDE_AUDIO=1
USB_EXCLUDE_BTUSB=1
USB_EXCLUDE_PHONE=1

# Exclude development devices
USB_ALLOWLIST="0403:6001 10c4:ea60"  # FTDI and CP210x USB-to-serial

# Runtime PM exclusions
USB_EXCLUDE_WWAN=1
USB_EXCLUDE_PRINTER=1

# Autosuspend delays for development tools
USB_AUTOSUSPEND_DELAY=2

Rationale: Development often involves USB devices like programmers, debuggers, and serial adapters. These need to remain active while other devices can power save.

Audio and Multimedia

# Audio for development (video calls, notifications)
SOUND_POWER_SAVE_ON_AC=1
SOUND_POWER_SAVE_ON_BAT=10
SOUND_POWER_SAVE_CONTROLLER=Y

# Timeout for development environment
SOUND_POWER_SAVE_TIMEOUT=10

Rationale: Audio power saving with reasonable timeout for development notifications and video calls without impacting quality.

Thermal and Fan Management

# Quiet operation for coding sessions
TEMP_LIMITS_ON_AC="75/85"
TEMP_LIMITS_ON_BAT="70/80"

# Fan speed control for quiet development
FAN_SPEED_ON_AC=auto
FAN_SPEED_ON_BAT=auto

Rationale: Lower thermal limits promote quieter fan operation during coding. Higher limits still allow performance during compilation.

System Sleep and Power

# Fast wake for development workflow
RESTORE_DEVICE_STATE_ON_STARTUP=1

# Devices to keep configured
DEVICES_TO_DISABLE_ON_STARTUP=""

# Runtime PM for development
RUNTIME_PM_ALL=1

Rationale: Development workflow benefits from fast system wake/sleep cycles and maintaining device states for immediate productivity.

Development-Specific Optimizations

IDE and Editor Performance

# Filesystem optimizations for large codebases
VM_DIRTY_RATIO=15
VM_DIRTY_BACKGROUND_RATIO=5

# I/O scheduler optimization
DISK_IOSCHED="mq-deadline"

Compilation Workloads

# Temporary CPU boost for compilation
CPU_SCALING_GOVERNOR_ON_AC=performance  # During make/ninja
CPU_SCALING_GOVERNOR_ON_AC=ondemand     # Return to balanced

Container and Virtualization

# Docker/VM optimization
VM_SWAPPINESS=10
VM_VFS_CACHE_PRESSURE=50

Performance Characteristics

Development Tasks Performance

  • IDE Startup: Fast application launch with responsive UI
  • Code Indexing: Efficient background processing
  • File Operations: Quick file system operations for large projects
  • Git Operations: Responsive version control operations
  • Compilation: Maximum performance when needed

Power Efficiency

  • Idle Power: 15-25W desktop, 8-12W laptop
  • Coding Power: 45-65W desktop, 15-25W laptop
  • Compilation Power: 150-200W desktop, 45-65W laptop
  • Battery Runtime: 8-12 hours coding, 3-5 hours compilation

Workflow Optimization

Morning Startup Routine

# System wake optimization
RESTORE_THINKPAD_BATTERY_THRESHOLDS=1
RESTORE_DEVICE_STATE_ON_STARTUP=1

Compilation Sessions

# Temporary performance mode
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
# Compile project
make -j$(nproc)
# Return to balanced
echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

End-of-day Shutdown

# Clean shutdown with state preservation
DEVICES_TO_DISABLE_ON_SHUTDOWN=""
USB_AUTOSUSPEND_DISABLE_ON_SHUTDOWN=0

Tool-Specific Configurations

Docker Development

# Container runtime optimization
RUNTIME_PM_DRIVER_DENYLIST="docker0 br-*"
USB_EXCLUDE_PRINTER=1  # Prevent conflicts

Remote Development

# SSH and network optimization
WIFI_PWR_ON_AC=off
WIFI_PWR_ON_BAT=on
WOL_DISABLE=N

Database Development

# I/O optimization for databases
DISK_APM_LEVEL_ON_AC=254
SATA_LINKPWR_ON_AC=max_performance

Web Development

# Browser testing optimization
RUNTIME_PM_DRIVER_DENYLIST="nvidia nouveau"  # For GPU acceleration
SOUND_POWER_SAVE_ON_AC=0  # For media testing

Monitoring and Optimization

Development Metrics

# Monitor compilation performance
time make -j$(nproc)

# I/O performance for large projects
iotop -o

# Memory usage for IDEs
htop

# Network performance for remote work
iftop

Power Monitoring

# Real-time power consumption
sudo powertop --time=30

# Battery optimization
sudo tlp-stat -b

# Thermal monitoring during compilation
watch -n 1 sensors

Troubleshooting

Performance Issues

  • Slow compilation: Check CPU governor and thermal throttling
  • IDE lag: Monitor memory usage and I/O wait
  • Network issues: Verify WiFi power management settings

Power Issues

  • High idle power: Check for runaway processes and USB devices
  • Poor battery life: Review active background services
  • Thermal throttling: Monitor temperatures during heavy workloads

Development Environment Issues

  • USB device issues: Check autosuspend settings for development tools
  • Display problems: Verify graphics power management
  • Audio problems: Check power save timeouts

Custom Scripts

Development Mode Toggle

#!/bin/bash
# dev-mode.sh - Toggle between development and power-save modes

if [ "$1" == "performance" ]; then
    echo "Enabling development performance mode..."
    echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
    echo 0 | sudo tee /sys/class/drm/card0/device/power_dpm_force_performance_level
elif [ "$1" == "balanced" ]; then
    echo "Enabling balanced development mode..."
    echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
    echo auto | sudo tee /sys/class/drm/card0/device/power_dpm_force_performance_level
fi

Compilation Optimizer

#!/bin/bash
# compile-optimized.sh - Optimize system for compilation

echo "Optimizing for compilation..."
echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
echo 254 | sudo tee /sys/class/scsi_host/host*/link_power_management_policy

# Run compilation
"$@"

echo "Returning to balanced mode..."
echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
echo med_power_with_dipm | sudo tee /sys/class/scsi_host/host*/link_power_management_policy

This configuration provides optimal development performance while maintaining good power efficiency and system responsiveness for professional development workflows.