For analysing dumpped json from Nsys profiler

export nsys json file:

nsys export xxxxx.nsys-rep --type json --force-overwrite true -o xxxxx.json

use this tool for analysing: see example.py

Build Logs Like:

threads: 2, main_thread_trees: 18

=============================================    kernel_ratio    =============================================
total_time: 6075.279597 ms, total_kernel_time: 0.017472  , kernel_ratio: 0.00
==============================================================================================================

===========================================    kernel_time_cost    ===========================================
total_kernel_time                        0.013966   ms
--------------------------------------------------------------------------------------------------------------
sync                                    :  kernel_cost = 0.008014   ms,  count = 1    , ratio = 57.38
memcpy                                  :  kernel_cost = 0.005952   ms,  count = 1    , ratio = 42.62
==============================================================================================================