When executing cuda API occasionally, ioctl blocks for tens of milliseconds

Accelerated Computing CUDA CUDA NVCC Compiler
1

When I call the cuda API (for example: cudaEventRecord or cudaMemcpyAsync) every tens of seconds, the first call to ioctl will block.
What is the specific reason for ioctl blocking, and how to solve this problem？
device：2080TI
cuda：11.7
driver：515.43.04
first execution：

image
image1920×661 82.2 KB

2

complete timeline：
report1.nsys-rep (2.0 MB)