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Kernel: Add support for profiling kmalloc()/kfree()
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572bbf28cc
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10 changed files with 84 additions and 2 deletions
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@ -92,6 +92,20 @@ public:
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}
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}
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inline static void add_kmalloc_perf_event(Process& current_process, size_t size, FlatPtr ptr)
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{
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if (auto* event_buffer = current_process.current_perf_events_buffer()) {
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[[maybe_unused]] auto res = event_buffer->append(PERF_EVENT_KMALLOC, size, ptr, nullptr);
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}
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}
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inline static void add_kfree_perf_event(Process& current_process, size_t size, FlatPtr ptr)
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{
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if (auto* event_buffer = current_process.current_perf_events_buffer()) {
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[[maybe_unused]] auto res = event_buffer->append(PERF_EVENT_KFREE, size, ptr, nullptr);
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}
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}
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inline static void timer_tick(RegisterState const& regs)
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{
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static Time last_wakeup;
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