admin-guide/perf/nvidia-pmu.rst

37 see /sys/bus/event_sources/devices/nvidia_scf_pmu_<socket-id>.
41 * Count event id 0x0 in socket 0::
45 * Count event id 0x0 in socket 1::
69 see /sys/bus/event_sources/devices/nvidia_nvlink_c2c0_pmu_<socket-id>.
73 * Count event id 0x0 from the GPU/CPU connected with socket 0::
77 * Count event id 0x0 from the GPU/CPU connected with socket 1::
81 * Count event id 0x0 from the GPU/CPU connected with socket 2::
85 * Count event id 0x0 from the GPU/CPU connected with socket 3::
99 see /sys/bus/event_sources/devices/nvidia_nvlink_c2c1_pmu_<socket-id>.
103 * Count event id 0x0 from the GPU connected with socket 0::
107 * Count event id 0x0 from the GPU connected with socket 1::
111 * Count event id 0x0 from the GPU connected with socket 2::
115 * Count event id 0x0 from the GPU connected with socket 3::
128 see /sys/bus/event_sources/devices/nvidia_cnvlink_pmu_<socket-id>.
130 Each SoC socket can be connected to one or more sockets via CNVLink. The user can
131 use "rem_socket" bitmap parameter to select the remote socket(s) to monitor.
132 Each bit represents the socket number, e.g. "rem_socket=0xE" corresponds to
133 socket 1 to 3.
134 /sys/bus/event_sources/devices/nvidia_cnvlink_pmu_<socket-id>/format/rem_socket
143 * Count event id 0x0 for the traffic from remote socket 1, 2, and 3 to socket 0::
147 * Count event id 0x0 for the traffic from remote socket 0, 2, and 3 to socket 1::
151 * Count event id 0x0 for the traffic from remote socket 0, 1, and 3 to socket 2::
155 * Count event id 0x0 for the traffic from remote socket 0, 1, and 2 to socket 3::
168 see /sys/bus/event_sources/devices/nvidia_pcie_pmu_<socket-id>.
170 Each SoC socket can support multiple root ports. The user can use
173 /sys/bus/event_sources/devices/nvidia_pcie_pmu_<socket-id>/format/root_port
178 * Count event id 0x0 from root port 0 and 1 of socket 0::
182 * Count event id 0x0 from root port 0 and 1 of socket 1::
198    * SOCKET-A                      *          * SOCKET-B                      *
222   | Following table contains traffic coverage of Grace SoC PMU in socket-A:
229    | Destination  |       |GPU ATS    |GPU Not-ATS|     | Socket-B | Socket-B |
255    * SOCKET-A        *             * SOCKET-B        *
279   | Following table contains traffic coverage of Grace SoC PMU in socket-A:
286    | Destination     |           |         | Socket-B | Socket-B    |