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add INTEL_GPU_DEVICE env var (#1285)

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henrygd
2025-10-31 19:09:53 -04:00
parent 85ac2e5e9a
commit 3dbc48727e
3 changed files with 51 additions and 1 deletions
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7
agent/gpu_intel.go
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@@ -49,7 +49,12 @@ func (gm *GPUManager) updateIntelFromStats(sample *intelGpuStats) bool {
// collectIntelStats executes intel_gpu_top in text mode (-l) and parses the output
func (gm *GPUManager) collectIntelStats() (err error) {
cmd := exec.Command(intelGpuStatsCmd, "-s", intelGpuStatsInterval, "-l")
// Build command arguments, optionally selecting a device via -d
args := []string{"-s", intelGpuStatsInterval, "-l"}
if dev, ok := GetEnv("INTEL_GPU_DEVICE"); ok && dev != "" {
args = append(args, "-d", dev)
}
cmd := exec.Command(intelGpuStatsCmd, args...)
// Avoid blocking if intel_gpu_top writes to stderr
cmd.Stderr = io.Discard
stdout, err := cmd.StdoutPipe()