SurfaceFlinger: throttle applications based on uid
Add the ability for SurfaceFlinger to be able to throttle down to
a divider of the refresh rate (i.e. for 30/45 for 90Hz)
Change-Id: I6bfd6f43ee1f30e771a136c558d8ae9a6d7fbe0f
Test: Manually via 1039 SF backdoor
Bug: 170502573
Bug: 169270763
Bug: 169271059
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
index 1f6f166..4762fd4 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateConfigsTest.cpp
@@ -1471,6 +1471,34 @@
EXPECT_EQ(KernelIdleTimerAction::TurnOff, refreshRateConfigs->getIdleTimerAction());
}
+TEST_F(RefreshRateConfigsTest, RefreshRateDividerForUnknownUid) {
+ auto refreshRateConfigs =
+ std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device,
+ /*currentConfigId=*/HWC_CONFIG_ID_30);
+ EXPECT_EQ(1, refreshRateConfigs->getRefreshRateDividerForUid(1234));
+}
+
+TEST_F(RefreshRateConfigsTest, RefreshRateDividerForUid) {
+ auto refreshRateConfigs =
+ std::make_unique<RefreshRateConfigs>(m30_60_72_90_120Device,
+ /*currentConfigId=*/HWC_CONFIG_ID_30);
+ const uid_t uid = 1234;
+ refreshRateConfigs->setPreferredRefreshRateForUid(uid, 30);
+ EXPECT_EQ(1, refreshRateConfigs->getRefreshRateDividerForUid(uid));
+
+ refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_60);
+ EXPECT_EQ(2, refreshRateConfigs->getRefreshRateDividerForUid(uid));
+
+ refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_72);
+ EXPECT_EQ(1, refreshRateConfigs->getRefreshRateDividerForUid(uid));
+
+ refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_90);
+ EXPECT_EQ(3, refreshRateConfigs->getRefreshRateDividerForUid(uid));
+
+ refreshRateConfigs->setCurrentConfigId(HWC_CONFIG_ID_120);
+ EXPECT_EQ(4, refreshRateConfigs->getRefreshRateDividerForUid(uid));
+}
+
} // namespace
} // namespace scheduler
} // namespace android