$ cat cublasinit.cu
#include <cublas_v2.h>

int main()
{
    cublasHandle_t handle;
    cublasCreate(&handle);
    cudaDeviceReset();
    return 0;
}

$ nvcc -arch=sm_52 cublasinit.cu -g -o cublasinit -lcublas

$ nvprof --profile-api-trace runtime ./cublasinit
==20967== NVPROF is profiling process 20967, command: ./cublasinit
==20967== Profiling application: ./cublasinit
==20967== Profiling result:
            Type  Time(%)      Time     Calls       Avg       Min       Max  Name
 GPU activities:  100.00%  1.1520us         1  1.1520us  1.1520us  1.1520us  [CUDA memcpy HtoD]
      API calls:   73.39%  333.76ms         1  333.76ms  333.76ms  333.76ms  cudaFree
                   26.53%  120.65ms         1  120.65ms  120.65ms  120.65ms  cudaDeviceReset
                    0.07%  308.56us         3  102.85us  10.797us  196.58us  cudaMalloc
                    0.00%  15.254us         1  15.254us  15.254us  15.254us  cudaMemcpy
                    0.00%  9.9180us        16     619ns     427ns  2.0100us  cudaEventCreateWithFlags
                    0.00%  4.4720us        11     406ns     247ns  1.4270us  cudaDeviceGetAttribute
                    0.00%  1.2830us         1  1.2830us  1.2830us  1.2830us  cudaGetDevice

$ nvprof --profile-api-trace driver ./cublasinit
==22436== NVPROF is profiling process 22436, command: ./cublasinit
==22436== Profiling application: ./cublasinit
==22436== Profiling result:
            Type  Time(%)      Time     Calls       Avg       Min       Max  Name
 GPU activities:  100.00%  1.2480us         1  1.2480us  1.2480us  1.2480us  [CUDA memcpy HtoD]
      API calls:   62.06%  620.86us       185  3.3550us     124ns  161.93us  cuDeviceGetAttribute
                   29.29%  293.05us         2  146.53us  69.859us  223.19us  cuDeviceTotalMem
                    8.00%  80.030us         2  40.015us  31.885us  48.145us  cuDeviceGetName
                    0.34%  3.4310us         4     857ns     259ns  2.2730us  cuDeviceGetCount
                    0.19%  1.8850us         3     628ns     295ns  1.2760us  cuDeviceGet
                    0.06%     625ns         1     625ns     625ns     625ns  cuInit
                    0.05%     480ns         1     480ns     480ns     480ns  cuDriverGetVersion