Fix cudaErrorProfilerDisabled: Profiling Not Enabled

Overview

cudaErrorProfilerDisabled occurs when profiling APIs are called but profiling isn't enabled.

Error Messages

CUDA error: profiler disabled
cudaErrorProfilerDisabled

Common Causes

• •Profiler not attached
• •CUDA_PROFILER_ENABLED not set
• •Using profiler API without nsight

Solutions

nsight-systems ./your_app
# Or
nsight-compute ./your_app

export CUDA_PROFILER_ENABLED=1

Prevention Tips

• ✓Only use profiler APIs when profiling
• ✓Check if profiler is attached

Code Examples

Before (Problematic)

API fails without profiler.

cudaProfilerStart();  // No profiler attached

After (Fixed)

Profiler attached.

// Run under: nsight-systems ./app
cudaProfilerStart();

Frequently Asked Questions

Related Errors

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