diff --git a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
index 9dd1431..ddc3967 100644
--- a/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
+++ b/services/surfaceflinger/tests/unittests/FrameTimelineTest.cpp
@@ -41,6 +41,7 @@
 using ProtoFrameEnd = perfetto::protos::FrameTimelineEvent_FrameEnd;
 using ProtoPresentType = perfetto::protos::FrameTimelineEvent_PresentType;
 using ProtoJankType = perfetto::protos::FrameTimelineEvent_JankType;
+using ProtoJankSeverityType = perfetto::protos::FrameTimelineEvent_JankSeverityType;
 using ProtoPredictionType = perfetto::protos::FrameTimelineEvent_PredictionType;
 
 namespace android::frametimeline {
@@ -335,7 +336,9 @@
     EXPECT_EQ(presentedSurfaceFrame1.getActuals().presentTime, 42);
     EXPECT_EQ(presentedSurfaceFrame2.getActuals().presentTime, 42);
     EXPECT_NE(surfaceFrame1->getJankType(), std::nullopt);
+    EXPECT_NE(surfaceFrame1->getJankSeverityType(), std::nullopt);
     EXPECT_NE(surfaceFrame2->getJankType(), std::nullopt);
+    EXPECT_NE(surfaceFrame2->getJankSeverityType(), std::nullopt);
 }
 
 TEST_F(FrameTimelineTest, displayFramesSlidingWindowMovesAfterLimit) {
@@ -493,8 +496,10 @@
     auto displayFrame0 = getDisplayFrame(0);
     EXPECT_EQ(displayFrame0->getActuals().presentTime, 59);
     EXPECT_EQ(displayFrame0->getJankType(), JankType::Unknown | JankType::DisplayHAL);
+    EXPECT_EQ(displayFrame0->getJankSeverityType(), JankSeverityType::Unknown);
     EXPECT_EQ(surfaceFrame1->getActuals().presentTime, -1);
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::Unknown);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Unknown);
 }
 
 // Tests related to TimeStats
@@ -604,6 +609,7 @@
     presentFence1->signalForTest(90);
     mFrameTimeline->setSfPresent(56, presentFence1);
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::DisplayHAL);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMiss) {
@@ -633,6 +639,7 @@
     mFrameTimeline->setSfPresent(86, presentFence1);
 
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::AppDeadlineMissed);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfScheduling) {
@@ -662,6 +669,7 @@
     mFrameTimeline->setSfPresent(56, presentFence1);
 
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::SurfaceFlingerScheduling);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfPredictionError) {
@@ -691,6 +699,7 @@
     mFrameTimeline->setSfPresent(56, presentFence1);
 
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::PredictionError);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppBufferStuffing) {
@@ -721,6 +730,7 @@
     mFrameTimeline->setSfPresent(86, presentFence1);
 
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::BufferStuffing);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMissWithRenderRate) {
@@ -752,6 +762,7 @@
     mFrameTimeline->setSfPresent(86, presentFence1);
 
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::AppDeadlineMissed);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, presentFenceSignaled_displayFramePredictionExpiredPresentsSurfaceFrame) {
@@ -788,12 +799,14 @@
 
     auto displayFrame = getDisplayFrame(0);
     EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Unknown);
     EXPECT_EQ(displayFrame->getFrameStartMetadata(), FrameStartMetadata::UnknownStart);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish);
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent);
 
     EXPECT_EQ(surfaceFrame1->getActuals().presentTime, 90);
     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::Unknown | JankType::AppDeadlineMissed);
+    EXPECT_EQ(surfaceFrame1->getJankSeverityType(), JankSeverityType::Full);
 }
 
 /*
@@ -920,7 +933,8 @@
 
 ProtoActualDisplayFrameStart createProtoActualDisplayFrameStart(
         int64_t cookie, int64_t token, pid_t pid, ProtoPresentType presentType, bool onTimeFinish,
-        bool gpuComposition, ProtoJankType jankType, ProtoPredictionType predictionType) {
+        bool gpuComposition, ProtoJankType jankType, ProtoJankSeverityType jankSeverityType,
+        ProtoPredictionType predictionType) {
     ProtoActualDisplayFrameStart proto;
     proto.set_cookie(cookie);
     proto.set_token(token);
@@ -929,6 +943,7 @@
     proto.set_on_time_finish(onTimeFinish);
     proto.set_gpu_composition(gpuComposition);
     proto.set_jank_type(jankType);
+    proto.set_jank_severity_type(jankSeverityType);
     proto.set_prediction_type(predictionType);
     return proto;
 }
@@ -949,7 +964,8 @@
 ProtoActualSurfaceFrameStart createProtoActualSurfaceFrameStart(
         int64_t cookie, int64_t token, int64_t displayFrameToken, pid_t pid, std::string layerName,
         ProtoPresentType presentType, bool onTimeFinish, bool gpuComposition,
-        ProtoJankType jankType, ProtoPredictionType predictionType, bool isBuffer) {
+        ProtoJankType jankType, ProtoJankSeverityType jankSeverityType,
+        ProtoPredictionType predictionType, bool isBuffer) {
     ProtoActualSurfaceFrameStart proto;
     proto.set_cookie(cookie);
     proto.set_token(token);
@@ -960,6 +976,7 @@
     proto.set_on_time_finish(onTimeFinish);
     proto.set_gpu_composition(gpuComposition);
     proto.set_jank_type(jankType);
+    proto.set_jank_severity_type(jankSeverityType);
     proto.set_prediction_type(predictionType);
     proto.set_is_buffer(isBuffer);
     return proto;
@@ -1002,6 +1019,8 @@
     EXPECT_EQ(received.gpu_composition(), source.gpu_composition());
     ASSERT_TRUE(received.has_jank_type());
     EXPECT_EQ(received.jank_type(), source.jank_type());
+    ASSERT_TRUE(received.has_jank_severity_type());
+    EXPECT_EQ(received.jank_severity_type(), source.jank_severity_type());
     ASSERT_TRUE(received.has_prediction_type());
     EXPECT_EQ(received.prediction_type(), source.prediction_type());
 }
@@ -1049,6 +1068,8 @@
     EXPECT_EQ(received.gpu_composition(), source.gpu_composition());
     ASSERT_TRUE(received.has_jank_type());
     EXPECT_EQ(received.jank_type(), source.jank_type());
+    ASSERT_TRUE(received.has_jank_severity_type());
+    EXPECT_EQ(received.jank_severity_type(), source.jank_severity_type());
     ASSERT_TRUE(received.has_prediction_type());
     EXPECT_EQ(received.prediction_type(), source.prediction_type());
     ASSERT_TRUE(received.has_is_buffer());
@@ -1116,6 +1137,7 @@
             createProtoActualDisplayFrameStart(traceCookie + 9, 0, kSurfaceFlingerPid,
                                                FrameTimelineEvent::PRESENT_DROPPED, true, false,
                                                FrameTimelineEvent::JANK_DROPPED,
+                                               FrameTimelineEvent::SEVERITY_NONE,
                                                FrameTimelineEvent::PREDICTION_VALID);
     auto protoSkippedActualDisplayFrameEnd = createProtoFrameEnd(traceCookie + 9);
 
@@ -1176,6 +1198,7 @@
                                                kSurfaceFlingerPid,
                                                FrameTimelineEvent::PRESENT_ON_TIME, true, false,
                                                FrameTimelineEvent::JANK_NONE,
+                                               FrameTimelineEvent::SEVERITY_NONE,
                                                FrameTimelineEvent::PREDICTION_VALID);
     auto protoActualDisplayFrameEnd = createProtoFrameEnd(traceCookie + 2);
 
@@ -1255,6 +1278,7 @@
                                                kSurfaceFlingerPid,
                                                FrameTimelineEvent::PRESENT_UNSPECIFIED, false,
                                                false, FrameTimelineEvent::JANK_UNKNOWN,
+                                               FrameTimelineEvent::SEVERITY_UNKNOWN,
                                                FrameTimelineEvent::PREDICTION_EXPIRED);
     auto protoActualDisplayFrameEnd = createProtoFrameEnd(traceCookie + 1);
 
@@ -1330,6 +1354,7 @@
                                                displayFrameToken1, sPidOne, sLayerNameOne,
                                                FrameTimelineEvent::PRESENT_DROPPED, true, false,
                                                FrameTimelineEvent::JANK_DROPPED,
+                                               FrameTimelineEvent::SEVERITY_UNKNOWN,
                                                FrameTimelineEvent::PREDICTION_VALID, true);
     auto protoDroppedSurfaceFrameActualEnd = createProtoFrameEnd(traceCookie + 2);
 
@@ -1342,6 +1367,7 @@
                                                displayFrameToken1, sPidOne, sLayerNameOne,
                                                FrameTimelineEvent::PRESENT_ON_TIME, true, false,
                                                FrameTimelineEvent::JANK_NONE,
+                                               FrameTimelineEvent::SEVERITY_NONE,
                                                FrameTimelineEvent::PREDICTION_VALID, true);
     auto protoPresentedSurfaceFrameActualEnd = createProtoFrameEnd(traceCookie + 4);
 
@@ -1488,6 +1514,7 @@
                                                displayFrameToken, sPidOne, sLayerNameOne,
                                                FrameTimelineEvent::PRESENT_UNSPECIFIED, false,
                                                false, FrameTimelineEvent::JANK_APP_DEADLINE_MISSED,
+                                               FrameTimelineEvent::SEVERITY_UNKNOWN,
                                                FrameTimelineEvent::PREDICTION_EXPIRED, true);
     auto protoActualSurfaceFrameEnd = createProtoFrameEnd(traceCookie + 1);
 
@@ -1565,6 +1592,7 @@
                                                displayFrameToken, sPidOne, sLayerNameOne,
                                                FrameTimelineEvent::PRESENT_DROPPED, false, false,
                                                FrameTimelineEvent::JANK_DROPPED,
+                                               FrameTimelineEvent::SEVERITY_UNKNOWN,
                                                FrameTimelineEvent::PREDICTION_EXPIRED, true);
     auto protoActualSurfaceFrameEnd = createProtoFrameEnd(traceCookie + 1);
 
@@ -1643,6 +1671,7 @@
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::None);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_displayFrameOnTimeFinishEarlyPresent) {
@@ -1669,6 +1698,7 @@
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerScheduling);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Partial);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     auto displayFrame2 = getDisplayFrame(1);
@@ -1682,6 +1712,7 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_displayFrameOnTimeFinishLatePresent) {
@@ -1708,6 +1739,7 @@
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame->getJankType(), JankType::DisplayHAL);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Partial);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     auto displayFrame2 = getDisplayFrame(1);
@@ -1722,6 +1754,7 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishEarlyPresent) {
@@ -1744,6 +1777,7 @@
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerScheduling);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent) {
@@ -1789,6 +1823,7 @@
     EXPECT_EQ(displayFrame0->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame0->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+    EXPECT_EQ(displayFrame0->getJankSeverityType(), JankSeverityType::Full);
 
     // case 3 - cpu time = 86 - 82 = 4, vsync period = 30
     mFrameTimeline->setSfWakeUp(sfToken3, 106, RR_30, RR_30);
@@ -1803,6 +1838,7 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::Full);
 
     // case 4 - cpu time = 86 - 82 = 4, vsync period = 30
     mFrameTimeline->setSfWakeUp(sfToken4, 120, RR_30, RR_30);
@@ -1817,6 +1853,7 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerStuffing);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::Full);
 
     addEmptyDisplayFrame();
 
@@ -1825,6 +1862,7 @@
     EXPECT_EQ(displayFrame3->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame3->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame3->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+    EXPECT_EQ(displayFrame3->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishEarlyPresent) {
@@ -1877,12 +1915,14 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::SurfaceFlingerScheduling);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::Partial);
 
     actuals1 = presentedSurfaceFrame1.getActuals();
     EXPECT_EQ(actuals1.presentTime, 30);
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::SurfaceFlingerScheduling);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Partial);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     presentFence2->signalForTest(65);
@@ -1905,12 +1945,14 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::Partial);
 
     actuals2 = presentedSurfaceFrame2.getActuals();
     EXPECT_EQ(actuals2.presentTime, 65);
     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::PredictionError);
+    EXPECT_EQ(presentedSurfaceFrame2.getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishLatePresent) {
@@ -1963,12 +2005,14 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::DisplayHAL);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::Partial);
 
     actuals1 = presentedSurfaceFrame1.getActuals();
     EXPECT_EQ(actuals1.presentTime, 50);
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::DisplayHAL);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Partial);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     presentFence2->signalForTest(86);
@@ -1991,12 +2035,14 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::Full);
 
     actuals2 = presentedSurfaceFrame2.getActuals();
     EXPECT_EQ(actuals2.presentTime, 86);
     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::PredictionError);
+    EXPECT_EQ(presentedSurfaceFrame2.getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishEarlyPresent) {
@@ -2033,12 +2079,14 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::None);
 
     actuals1 = presentedSurfaceFrame1.getActuals();
     EXPECT_EQ(actuals1.presentTime, 50);
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::Unknown);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishLatePresent) {
@@ -2095,12 +2143,14 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::None);
 
     actuals1 = presentedSurfaceFrame1.getActuals();
     EXPECT_EQ(actuals1.presentTime, 40);
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Partial);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     presentFence2->signalForTest(60);
@@ -2115,6 +2165,7 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::Partial);
 
     actuals2 = presentedSurfaceFrame2.getActuals();
     EXPECT_EQ(actuals2.presentTime, 60);
@@ -2122,6 +2173,7 @@
     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(),
               JankType::SurfaceFlingerCpuDeadlineMissed | JankType::AppDeadlineMissed);
+    EXPECT_EQ(presentedSurfaceFrame2.getJankSeverityType(), JankSeverityType::Partial);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_multiJankBufferStuffingAndAppDeadlineMissed) {
@@ -2181,10 +2233,12 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::None);
 
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Full);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0);
@@ -2201,11 +2255,13 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::None);
 
     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(),
               JankType::AppDeadlineMissed | JankType::BufferStuffing);
+    EXPECT_EQ(presentedSurfaceFrame2.getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_appDeadlineAdjustedForBufferStuffing) {
@@ -2266,10 +2322,12 @@
     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame1->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame1->getJankSeverityType(), JankSeverityType::None);
 
     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed);
+    EXPECT_EQ(presentedSurfaceFrame1.getJankSeverityType(), JankSeverityType::Full);
 
     // Fences for the second frame haven't been flushed yet, so it should be 0
     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0);
@@ -2286,10 +2344,12 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::None);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::None);
 
     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::BufferStuffing);
+    EXPECT_EQ(presentedSurfaceFrame2.getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent_GpuAndCpuMiss) {
@@ -2317,6 +2377,7 @@
     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed);
+    EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Full);
 
     // Case 2: No GPU fence so it will not use GPU composition.
     mFrameTimeline->setSfWakeUp(sfToken2, 52, RR_30, RR_30);
@@ -2334,6 +2395,7 @@
     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent);
     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish);
     EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed);
+    EXPECT_EQ(displayFrame2->getJankSeverityType(), JankSeverityType::Full);
 }
 
 TEST_F(FrameTimelineTest, jankClassification_presentFenceError) {
@@ -2364,6 +2426,7 @@
         EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent);
         EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish);
         EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown | JankType::DisplayHAL);
+        EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Unknown);
     }
     {
         auto displayFrame = getDisplayFrame(1);
@@ -2371,6 +2434,7 @@
         EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent);
         EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish);
         EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown | JankType::DisplayHAL);
+        EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::Unknown);
     }
     {
         auto displayFrame = getDisplayFrame(2);
@@ -2378,6 +2442,7 @@
         EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent);
         EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish);
         EXPECT_EQ(displayFrame->getJankType(), JankType::None);
+        EXPECT_EQ(displayFrame->getJankSeverityType(), JankSeverityType::None);
     }
 }