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Kernel: Also add a process boosting mechanism
Let's also have set_process_boost() for giving all threads in a process the same boost.
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6 changed files with 33 additions and 2 deletions
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@ -235,6 +235,7 @@ public:
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void* sys$get_kernel_info_page();
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int sys$futex(const Syscall::SC_futex_params*);
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int sys$set_thread_boost(int tid, int amount);
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int sys$set_process_boost(pid_t, int amount);
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static void initialize();
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@ -308,6 +309,8 @@ public:
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int icon_id() const { return m_icon_id; }
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u32 priority_boost() const { return m_priority_boost; }
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private:
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friend class MemoryManager;
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friend class Scheduler;
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@ -396,6 +399,8 @@ private:
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int m_icon_id { -1 };
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u32 m_priority_boost { 0 };
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WaitQueue& futex_queue(i32*);
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HashMap<u32, OwnPtr<WaitQueue>> m_futex_queues;
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};
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@ -520,3 +525,8 @@ inline const LogStream& operator<<(const LogStream& stream, const Process& proce
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{
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return stream << process.name() << '(' << process.pid() << ')';
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}
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inline u32 Thread::effective_priority() const
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{
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return m_priority + m_process.priority_boost() + m_priority_boost + m_extra_priority;
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}
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