dcgm exporter doesn't monitor mig disabled gpus with mixed strategy

[chloejiwon]

Hi, I'm trying to use dcgm exporter to monitor gpu utilization with mig device.
mig mixed strategy was set on k8s and gpu setting is as follows.

• gpu0 : mig enabled (mig device 7)
• gpu1 ~ gpu6: mig disabled
  when I try to get metrics from dcgm exporter, I only get gpu0(mig) information, not gpu1 ~ gpu6. (+ also, prometheus only shows gpu0, not others)

Can I get mig disabled and mig enabled metrics values?

• nvidia-smi output:

irteamsu@dgx-a100:~$ nvidia-smi
Wed Sep  8 11:53:17 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.57.02    Driver Version: 470.57.02    CUDA Version: 11.4     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA A100-SXM...  On   | 00000000:07:00.0 Off |                   On |
| N/A   37C    P0    99W / 400W |   4867MiB / 40536MiB |     N/A      Default |
|                               |                      |              Enabled |
+-------------------------------+----------------------+----------------------+
|   1  NVIDIA A100-SXM...  On   | 00000000:0F:00.0 Off |                    0 |
| N/A   30C    P0    51W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   2  NVIDIA A100-SXM...  On   | 00000000:47:00.0 Off |                    0 |
| N/A   30C    P0    55W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   3  NVIDIA A100-SXM...  On   | 00000000:4E:00.0 Off |                    0 |
| N/A   30C    P0    52W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   4  NVIDIA A100-SXM...  On   | 00000000:87:00.0 Off |                    0 |
| N/A   37C    P0    55W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   5  NVIDIA A100-SXM...  On   | 00000000:90:00.0 Off |                    0 |
| N/A   33C    P0    54W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   6  NVIDIA A100-SXM...  On   | 00000000:B7:00.0 Off |                    0 |
| N/A   34C    P0    54W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+
|   7  NVIDIA A100-SXM...  On   | 00000000:BD:00.0 Off |                    0 |
| N/A   35C    P0    58W / 400W |      0MiB / 40536MiB |      0%      Default |
|                               |                      |             Disabled |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| MIG devices:                                                                |
+------------------+----------------------+-----------+-----------------------+
| GPU  GI  CI  MIG |         Memory-Usage |        Vol|         Shared        |
|      ID  ID  Dev |           BAR1-Usage | SM     Unc| CE  ENC  DEC  OFA  JPG|
|                  |                      |        ECC|                       |
|==================+======================+===========+=======================|
|  0    7   0   0  |   4846MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      2MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0    8   0   1  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0    9   0   2  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0   10   0   3  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0   11   0   4  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0   12   0   5  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+
|  0   13   0   6  |      3MiB /  4864MiB | 14      0 |  1   0    0    0    0 |
|                  |      0MiB /  8191MiB |           |                       |
+------------------+----------------------+-----------+-----------------------+

+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0    7    0     585962      C   python                           4839MiB |
+-----------------------------------------------------------------------------+

• in prometheus, when i search DCGM_FI_PROF_GR_ENGINE_ACTIVE metric then these outputs are shown: