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Kernel+ProfileViewer: Display additional filesystem events
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parent
c184a0786f
commit
54e79aa1d9
16 changed files with 655 additions and 135 deletions
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@ -77,6 +77,66 @@ struct [[gnu::packed]] ReadPerformanceEvent {
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bool success;
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};
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enum class FilesystemEventType : u8 {
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Open,
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Close,
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Readv,
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Read,
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Pread
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};
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struct [[gnu::packed]] OpenEventData {
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int dirfd;
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size_t filename_index;
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int options;
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u64 mode;
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};
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struct [[gnu::packed]] CloseEventData {
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int fd;
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size_t filename_index;
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};
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struct [[gnu::packed]] ReadvEventData {
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int fd;
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size_t filename_index;
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// struct iovec* iov; // TODO: Implement
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// int iov_count; // TODO: Implement
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};
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struct [[gnu::packed]] ReadEventData {
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int fd;
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size_t filename_index;
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};
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struct [[gnu::packed]] PreadEventData {
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int fd;
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size_t filename_index;
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FlatPtr buffer_ptr;
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size_t size;
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off_t offset;
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};
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// FIXME: This is a hack to make the compiler pack this struct correctly.
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struct [[gnu::packed]] PackedErrorOr {
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bool is_error;
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FlatPtr value;
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};
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struct [[gnu::packed]] FilesystemEvent {
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FilesystemEventType type;
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u64 durationNs;
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PackedErrorOr result;
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union {
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OpenEventData open;
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CloseEventData close;
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ReadvEventData readv;
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ReadEventData read;
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PreadEventData pread;
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} data;
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};
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struct [[gnu::packed]] PerformanceEvent {
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u32 type { 0 };
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u8 stack_size { 0 };
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@ -96,7 +156,7 @@ 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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FilesystemEvent filesystem;
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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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@ -111,11 +171,11 @@ 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(), FlatPtr arg4 = 0, u64 arg5 = 0, ErrorOr<FlatPtr> const& arg6 = 0);
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ErrorOr<void> append(int type, FlatPtr arg1, FlatPtr arg2, StringView arg3, Thread* current_thread = Thread::current(), FilesystemEvent filesystem_event = {});
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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, FlatPtr arg4 = 0, u64 arg5 = {}, ErrorOr<FlatPtr> const& arg6 = 0);
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3, FilesystemEvent filesystem_event = {});
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ErrorOr<void> append_with_ip_and_bp(ProcessID pid, ThreadID tid, RegisterState const& regs,
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3, FlatPtr arg4 = 0, u64 arg5 = {}, ErrorOr<FlatPtr> const& arg6 = 0);
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int type, u32 lost_samples, FlatPtr arg1, FlatPtr arg2, StringView arg3, FilesystemEvent filesystem_event = {});
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void clear()
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{
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