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sm6375-common: power-libperfmgr: improve adpf logic

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Cache active state and reduce log spam
Add value tracing into libperfmgr
Use adaptive stale timeout based on rate limit

Bug: 191331719
Bug: 191296994
Bug: 177493042
Test: boot
Signed-off-by: Wei Wang <wvw@google.com>
Change-Id: I1c1484c9277209bf68bd287ceae83e2b37684c62
This commit is contained in:
Wei Wang 2024-07-18 12:56:42 +05:30 • committed by Anand S
commit 36addfaf7c
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GPG key ID: 3B2983FA448B3D61
6 changed files with 84 additions and 73 deletions
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14
power-libperfmgr/PowerHintSession.h
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@ -68,8 +68,8 @@ struct AppHintDesc {
class PowerHintSession : public BnPowerHintSession {
public:
PowerHintSession(int32_t tgid, int32_t uid, const std::vector<int32_t> &threadIds,
int64_t durationNanos);
explicit PowerHintSession(int32_t tgid, int32_t uid, const std::vector<int32_t> &threadIds,
int64_t durationNanos, nanoseconds adpfRate);
~PowerHintSession();
ndk::ScopedAStatus close() override;
ndk::ScopedAStatus pause() override;
@ -83,17 +83,13 @@ class PowerHintSession : public BnPowerHintSession {
private:
class StaleHandler : public MessageHandler {
public:
StaleHandler(PowerHintSession *session, int64_t timeout_ms)
: kStaleTimeout(timeout_ms),
mSession(session),
mIsMonitoringStale(false),
mLastUpdatedTime(steady_clock::now()) {}
StaleHandler(PowerHintSession *session)
: mSession(session), mIsMonitoringStale(false), mLastUpdatedTime(steady_clock::now()) {}
void handleMessage(const Message &message) override;
void updateStaleTimer();
time_point<steady_clock> getStaleTime();
private:
const milliseconds kStaleTimeout;
PowerHintSession *mSession;
std::atomic<bool> mIsMonitoringStale;
std::atomic<time_point<steady_clock>> mLastUpdatedTime;
@ -104,10 +100,12 @@ class PowerHintSession : public BnPowerHintSession {
void setStale();
void updateUniveralBoostMode();
int setUclamp(int32_t max, int32_t min);
std::string getIdString() const;
AppHintDesc *mDescriptor = nullptr;
sp<StaleHandler> mStaleHandler;
sp<MessageHandler> mPowerManagerHandler;
std::mutex mLock;
const nanoseconds kAdpfRate;
};
} // namespace pixel