On compatible devices, memory bandwidth utilization can be sampled, as reported by Memory Controller (MC) and External Memory Controller (EMC). Multiple counters can be sampled simultaneously. The number of available counters depends on the generation of Tegra; for example, Tegra K1 only provides 2 counters, Tegra X1 provides 4, Parker provides 8, and future generations can have 8 or more available counters.
Note: on Parker, MC is typically disabled, and only EMC is available. This means that only overall memory bandwidth consumption can be sampled, without per-client breakdown.
Memory bandwidth settings only appear on the project configuration tab when a compatible device is connected and successfully validated (Device is ready text is displayed).
To enable this feature, select the Collect memory bandwidth checkbox. Specify the desired sampling rate, and choose which counters to sample. The following memory bandwidth client are supported:
Information about each client can be collected in 4 ways:
NVIDIA® System Profiler Documentation Rev. 3.9.170817 ©2017. NVIDIA Corporation. All Rights Reserved.