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Kernel/Profiling: Add profiling to read syscall
Syscalls to read can now be profiled, allowing us to monitor filesystem usage by different applications.
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parent
bd821982e0
commit
4916c892b2
6 changed files with 86 additions and 9 deletions
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@ -68,8 +68,16 @@ struct [[gnu::packed]] SignpostPerformanceEvent {
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FlatPtr arg2;
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};
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struct [[gnu::packed]] ReadPerformanceEvent {
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int fd;
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size_t size;
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size_t filename_index;
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size_t start_timestamp;
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bool success;
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};
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struct [[gnu::packed]] PerformanceEvent {
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u16 type { 0 };
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u32 type { 0 };
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u8 stack_size { 0 };
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u32 pid { 0 };
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u32 tid { 0 };
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@ -87,6 +95,7 @@ struct [[gnu::packed]] PerformanceEvent {
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KMallocPerformanceEvent kmalloc;
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KFreePerformanceEvent kfree;
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SignpostPerformanceEvent signpost;
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ReadPerformanceEvent read;
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} data;
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static constexpr size_t max_stack_frame_count = 64;
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FlatPtr stack[max_stack_frame_count];
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@ -101,11 +110,11 @@ class PerformanceEventBuffer {
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public:
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static OwnPtr<PerformanceEventBuffer> try_create_with_size(size_t buffer_size);
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ErrorOr<void> append(int type, FlatPtr arg1, FlatPtr arg2, StringView arg3, Thread* current_thread = Thread::current());
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ErrorOr<void> append(int type, FlatPtr arg1, FlatPtr arg2, StringView arg3, Thread* current_thread = Thread::current(), FlatPtr arg4 = 0, u64 arg5 = 0, ErrorOr<FlatPtr> arg6 = 0);
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ErrorOr<void> append_with_ip_and_bp(ProcessID pid, ThreadID tid, FlatPtr eip, FlatPtr ebp,
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3);
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3, FlatPtr arg4 = 0, u64 arg5 = {}, ErrorOr<FlatPtr> arg6 = 0);
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ErrorOr<void> append_with_ip_and_bp(ProcessID pid, ThreadID tid, const RegisterState& regs,
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3);
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3, FlatPtr arg4 = 0, u64 arg5 = {}, ErrorOr<FlatPtr> arg6 = 0);
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void clear()
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{
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