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[idd] scheduler: pace secondary frame delivery

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This commit is contained in:
Geoffrey McRae
2026-08-05 17:10:35 +10:00
parent c7ed04412e
commit f95c8f0660
5 changed files with 422 additions and 181 deletions
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17
idd/LGIdd/CFrameScheduler.h
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@@ -49,11 +49,15 @@ private:
uint64_t period;
uint64_t targetSlack;
uint64_t expiry;
uint64_t nextDelivery;
uint32_t lastFeedbackFrameSerial;
uint32_t lastDeliveredFrameSerial;
bool subscribed;
bool ownerCapable;
bool subscriptionSeen;
bool active;
bool immediate;
bool deliveredFrameValid;
};
mutable SRWLOCK m_lock = SRWLOCK_INIT;
@@ -85,6 +89,7 @@ private:
bool ElectOwner(uint64_t now);
bool ApplyFeedback(Client& client, const KVMFRFrameSchedule& schedule);
void AdvanceDeadline(uint64_t now);
static void AdvanceDelivery(Client& client, uint64_t now);
void WakePublisher() const;
public:
@@ -95,7 +100,7 @@ public:
void Reset();
void UpdateSubscribers(const uint32_t * clientIDs, unsigned count,
uint64_t now);
const uint32_t * ownerClientIDs, unsigned ownerCount, uint64_t now);
bool UpdateSchedule(uint32_t sourceClientID,
const KVMFRFrameSchedule& schedule, uint64_t now);
bool GetSchedule(Schedule& schedule) const;
@@ -108,7 +113,15 @@ public:
void FramePublished(const Schedule& schedule, uint32_t frameSerial,
uint64_t now, bool periodic);
void FrameRepublished(const Schedule& schedule, uint32_t frameSerial);
void FrameDelivered(const uint32_t * clientIDs, unsigned count);
unsigned GetSecondaryRecipients(const uint32_t * clientIDs,
unsigned count, uint32_t frameSerial, uint64_t now,
uint32_t * recipients) const;
bool GetSecondaryTarget(uint32_t frameSerial, uint64_t now,
const uint32_t * blockedClientIDs, unsigned blockedCount,
uint64_t& target) const;
void FrameDelivered(const uint32_t * clientIDs, unsigned count,
uint32_t frameSerial, uint64_t now);
void NotifyPublisher() const { WakePublisher(); }
void RecordFrameTiming(uint64_t duration);
void LogStatistics(uint64_t now);
};