Changeset 84737 in vbox for trunk/src/VBox/Devices/Graphics

Timestamp:

Jun 9, 2020 12:29:43 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

138527

Message:

Devices/Graphics: optional release logging of performance metrics

File:

• trunk/src/VBox/Devices/Graphics/DevVGA-SVGA.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA-SVGA.cpp

@@ -4749 +4749 @@
                         STAM_REL_COUNTER_INC(&pSVGAState->StatR3Cmd3dSurfaceScreen);
 
+                        static uint64_t u64FrameStartNanoTS = 0;
+                        static uint64_t u64ElapsedPerSecNano = 0;
+                        static int cFrames = 0;
                         uint64_t u64NanoTS = 0;
                         if (LogRelIs3Enabled())
@@ -4759 +4762 @@
                         if (LogRelIs3Enabled())
                         {
+                            uint64_t u64ElapsedNano = RTTimeNanoTS() - u64NanoTS;
+                            u64ElapsedPerSecNano += u64ElapsedNano;
+
                             SVGASignedRect *pFirstRect = cRects ? (SVGASignedRect *)(pCmd + 1) : &pCmd->destRect;
                             LogRel3(("VMSVGA: SURFACE_TO_SCREEN: %d us %d rects %d,%d %dx%d\n",
-                                (RTTimeNanoTS() - u64NanoTS) / 1000ULL, cRects,
+                                (u64ElapsedNano) / 1000ULL, cRects,
                                 pFirstRect->left, pFirstRect->top,
                                 pFirstRect->right - pFirstRect->left, pFirstRect->bottom - pFirstRect->top));
+
+                            ++cFrames;
+                            if (u64NanoTS - u64FrameStartNanoTS >= UINT64_C(1000000000))
+                            {
+                                LogRel3(("VMSVGA: SURFACE_TO_SCREEN: FPS %d, elapsed %llu us\n",
+                                         cFrames, u64ElapsedPerSecNano / 1000ULL));
+                                u64FrameStartNanoTS = u64NanoTS;
+                                cFrames = 0;
+                                u64ElapsedPerSecNano = 0;
+                            }
                         }
                         break;