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https://github.com/RGBCube/serenity
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ProfileViewer: Add an instruction-level sample viewer
When you select a function in the profile tree, we will now display a per-instruction breakdown of aggregated samples in that function. This allows us to look much closer at what our code is doing! :^)
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commit
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7 changed files with 267 additions and 6 deletions
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@ -32,8 +32,10 @@
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/OwnPtr.h>
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#include <LibGUI/Forward.h>
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#include <LibGUI/ModelIndex.h>
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class ProfileModel;
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class DisassemblyModel;
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class ProfileNode : public RefCounted<ProfileNode> {
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public:
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@ -83,6 +85,16 @@ public:
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void sort_children();
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const HashMap<FlatPtr, size_t>& events_per_address() const { return m_events_per_address; }
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void add_event_address(FlatPtr address)
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{
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auto it = m_events_per_address.find(address);
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if (it == m_events_per_address.end())
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m_events_per_address.set(address, 1);
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else
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m_events_per_address.set(address, it->value + 1);
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}
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private:
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explicit ProfileNode(const String& symbol, u32 address, u32 offset, u64 timestamp)
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: m_symbol(symbol)
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@ -100,6 +112,7 @@ private:
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u32 m_self_count { 0 };
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u64 m_timestamp { 0 };
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Vector<NonnullRefPtr<ProfileNode>> m_children;
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HashMap<FlatPtr, size_t> m_events_per_address;
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};
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class Profile {
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@ -108,6 +121,9 @@ public:
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~Profile();
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GUI::Model& model();
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GUI::Model* disassembly_model();
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void set_disassembly_index(const GUI::ModelIndex&);
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const Vector<NonnullRefPtr<ProfileNode>>& roots() const { return m_roots; }
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@ -145,12 +161,20 @@ public:
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bool show_percentages() const { return m_show_percentages; }
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void set_show_percentages(bool);
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const String& executable_path() const { return m_executable_path; }
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private:
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explicit Profile(Vector<Event>);
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Profile(String executable_path, Vector<Event>);
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void rebuild_tree();
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String m_executable_path;
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RefPtr<ProfileModel> m_model;
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RefPtr<DisassemblyModel> m_disassembly_model;
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GUI::ModelIndex m_disassembly_index;
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Vector<NonnullRefPtr<ProfileNode>> m_roots;
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u32 m_filtered_event_count { 0 };
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u64 m_first_timestamp { 0 };
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