Index: tools/metrics/histograms/histograms.xml |
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml |
index 252a1d0b8c086e065010018b85a5a6c3b31ddb02..133766a91c379725c59bc8578b9138eb9ebb20e3 100644 |
--- a/tools/metrics/histograms/histograms.xml |
+++ b/tools/metrics/histograms/histograms.xml |
@@ -6241,6 +6241,49 @@ other types of suffix sets. |
</summary> |
</histogram> |
+<histogram name="WinTimeTicks.FailedToChangeCores" enum="WindowsVersion"> |
+ <summary> |
+ Incremented each time the TimeTicks field trial runs on a machine with |
+ multiple cores, but failed to change thread affinity. Broken down by Windows |
+ version. |
+ </summary> |
+</histogram> |
+ |
+<histogram name="WinTimeTicks.MinResolutionNanoseconds" units="nanoseconds"> |
+ <summary> |
+ The smallest non-zero delta reported by subsequent calls to |
+ QueryPerformanceCounter. |
+ </summary> |
+</histogram> |
+ |
+<histogram name="WinTimeTicks.NonStopTsc"> |
+ <summary> |
+ True if the CPU's time stamp counter ticks at a constant rate regardless of |
+ CPU frequency. |
+ </summary> |
+</histogram> |
+ |
+<histogram name="WinTimeTicks.TickedBackwards" enum="WindowsVersion"> |
+ <summary> |
+ The number of times the TimeTicks field trial failed because |
+ QueryPerformanceCounter ticked backwards. Broken down by Windows version. |
+ </summary> |
+</histogram> |
+ |
+<histogram name="WinTimeTicks.VersionSuccessful" enum="WindowsVersion"> |
+ <summary> |
+ The number of times the TimeTicks field trial succeeded. Broken down by |
+ Windows version. |
+ </summary> |
+</histogram> |
+ |
+<histogram name="WinTimeTicks.VersionTotal" enum="WindowsVersion"> |
+ <summary> |
+ The number of times the TimeTicks field trial ran for comparison with |
+ WinTimeTicks.VersionSuccess. Broken down by Windows version. |
+ </summary> |
+</histogram> |
+ |
</histograms> |
<!-- Enum types --> |
@@ -9718,6 +9761,15 @@ other types of suffix sets. |
<int value="3" label="kStatusCodeTypeConsideredDead"/> |
</enum> |
+<enum name="WindowsVersion" type="int"> |
+ <int value="0" label="Pre-XP"/> |
+ <int value="1" label="XP"/> |
+ <int value="2" label="2003 Server"/> |
+ <int value="3" label="Vista"/> |
+ <int value="4" label="Windows 7"/> |
+ <int value="5" label="Windows 8"/> |
+</enum> |
+ |
</enums> |
<!-- Field trials --> |