GPU (Linux): detect core usage when libamdgpu is not available

CarterLi · CarterLi · commit 115108b3f102 · 2025-05-10T20:57:51.000+08:00
diff --git a/src/detection/gpu/gpu_linux.c b/src/detection/gpu/gpu_linux.c
@@ -253,6 +253,11 @@ static void pciDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu,
                     gpu->shared.used = value;
             }
         }
+
+        ffStrbufSubstrBefore(pciDir, pciDirLen);
+        ffStrbufAppendS(pciDir, "/gpu_busy_percent");
+        if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))
+            gpu->coreUsage = (double) value;
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -253,6 +253,11 @@ static void pciDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu,`
`253`	`253`	`gpu->shared.used = value;`
`254`	`254`	`}`
`255`	`255`	`}`
	`256`	`+`
	`257`	`+ ffStrbufSubstrBefore(pciDir, pciDirLen);`
	`258`	`+ ffStrbufAppendS(pciDir, "/gpu_busy_percent");`
	`259`	`+ if (ffReadFileBuffer(pciDir->chars, buffer) && (value = ffStrbufToUInt(buffer, 0)))`
	`260`	`+ gpu->coreUsage = (double) value;`
`256`	`261`	`}`
`257`	`262`	`}`
`258`	`263`