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WindowServer: Add a simple CPU usage graph to the global menu bar.
This is pretty cute and helps me spot when something's chewing up CPU.
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commit
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3 changed files with 75 additions and 13 deletions
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@ -5,25 +5,25 @@
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namespace AK {
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template<typename T, size_t Capacity>
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template<typename T, int Capacity>
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class CircularQueue {
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public:
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CircularQueue()
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{
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for (size_t i = 0; i < Capacity; ++i)
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for (int i = 0; i < Capacity; ++i)
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m_elements[i] = T();
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}
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bool is_empty() const { return !m_size; }
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size_t size() const { return m_size; }
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int size() const { return m_size; }
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size_t capacity() const { return Capacity; }
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int capacity() const { return Capacity; }
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void dump() const
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{
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kprintf("CircularQueue<%zu>:\n", Capacity);
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kprintf(" size: %zu\n", m_size);
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for (size_t i = 0; i < Capacity; ++i) {
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for (int i = 0; i < Capacity; ++i) {
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kprintf(" [%zu] %d %c\n", i, m_elements[i], i == m_head ? '*' : ' ');
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}
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}
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@ -60,9 +60,9 @@ public:
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const T& operator*() const { return m_queue.m_elements[m_index]; }
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private:
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friend class CircularQueue;
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ConstIterator(const CircularQueue& queue, const size_t index) : m_queue(queue), m_index(index) { }
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ConstIterator(const CircularQueue& queue, const int index) : m_queue(queue), m_index(index) { }
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const CircularQueue& m_queue;
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size_t m_index { 0 };
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int m_index { 0 };
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};
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ConstIterator begin() const { return ConstIterator(*this, m_head); }
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@ -71,8 +71,8 @@ public:
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private:
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friend class ConstIterator;
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T m_elements[Capacity];
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size_t m_size { 0 };
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size_t m_head { 0 };
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int m_size { 0 };
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int m_head { 0 };
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};
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}
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