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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 16 |
1 files changed, 11 insertions, 5 deletions
@@ -68,7 +68,8 @@ Seven cards cover the machine itself: - **System**: CPU load as a per-core equaliser, the CPU and motherboard model as two rows under the header, RAM used/total, and every temperature (CPU package, CCD die, NVMe and two board sensors). -- **GPU**: Arc B580 package and VRAM temperatures, and fan speed. +- **GPU**: Arc B580 package and VRAM temperatures, VRAM in use as a bar, and + fan speed. - **Disks**: `/`, `/home`, `/data` and one NFS mount per server, as usage rings, with free space and total size printed under each ring. Two servers are configured, each with the same export mounted twice; the card shows one @@ -488,10 +489,15 @@ card that computed free space as `size - used` would overstate it by exactly that reserve. **The Arc B580 reports no utilisation through any stable interface.** The `xe` -driver exposes no `gpu_busy_percent` (unlike `amdgpu`), `intel_gpu_top` refuses -the device, and `gputop` prints per-process rows with ANSI escapes, which is not -something to build a widget on. The GPU card therefore has no load bar; it shows -what the hardware actually reports rather than inventing a number. +driver exposes no `gpu_busy_percent` (unlike `amdgpu`) and `intel_gpu_top` +refuses the device. The GPU card therefore has no load bar; it shows what the +hardware actually reports rather than inventing a number. + +**VRAM in use comes from DRM fdinfo**, the per-client counters `gputop` reads: +`drm-resident-vram0` in `/proc/<pid>/fdinfo/<fd>`, summed once per +`drm-client-id`. Only processes readable by conky's user are seen, so a GPU +client running as another user is not counted. The card's 12 GiB total is +hardcoded: xe puts no VRAM capacity in sysfs. **`/data` has no temperature.** It sits on a spinning disk with no hwmon chip; reading its SMART temperature would need `smartctl` as root and would spin up a |