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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <AK/JsonValue.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/OwnPtr.h>
#include <LibGUI/Forward.h>
#include <LibGUI/ModelIndex.h>
class ProfileModel;
class DisassemblyModel;
class ProfileNode : public RefCounted<ProfileNode> {
public:
static NonnullRefPtr<ProfileNode> create(const String& symbol, u32 address, u32 offset, u64 timestamp)
{
return adopt(*new ProfileNode(symbol, address, offset, timestamp));
}
const String& symbol() const { return m_symbol; }
u32 address() const { return m_address; }
u32 offset() const { return m_offset; }
u64 timestamp() const { return m_timestamp; }
u32 event_count() const { return m_event_count; }
u32 self_count() const { return m_self_count; }
int child_count() const { return m_children.size(); }
const Vector<NonnullRefPtr<ProfileNode>>& children() const { return m_children; }
void add_child(ProfileNode& child)
{
if (child.m_parent == this)
return;
ASSERT(!child.m_parent);
child.m_parent = this;
m_children.append(child);
}
ProfileNode& find_or_create_child(const String& symbol, u32 address, u32 offset, u64 timestamp)
{
for (size_t i = 0; i < m_children.size(); ++i) {
auto& child = m_children[i];
if (child->symbol() == symbol) {
return child;
}
}
auto new_child = ProfileNode::create(symbol, address, offset, timestamp);
add_child(new_child);
return new_child;
};
ProfileNode* parent() { return m_parent; }
const ProfileNode* parent() const { return m_parent; }
void increment_event_count() { ++m_event_count; }
void increment_self_count() { ++m_self_count; }
void sort_children();
const HashMap<FlatPtr, size_t>& events_per_address() const { return m_events_per_address; }
void add_event_address(FlatPtr address)
{
auto it = m_events_per_address.find(address);
if (it == m_events_per_address.end())
m_events_per_address.set(address, 1);
else
m_events_per_address.set(address, it->value + 1);
}
private:
explicit ProfileNode(const String& symbol, u32 address, u32 offset, u64 timestamp)
: m_symbol(symbol)
, m_address(address)
, m_offset(offset)
, m_timestamp(timestamp)
{
}
ProfileNode* m_parent { nullptr };
String m_symbol;
u32 m_address { 0 };
u32 m_offset { 0 };
u32 m_event_count { 0 };
u32 m_self_count { 0 };
u64 m_timestamp { 0 };
Vector<NonnullRefPtr<ProfileNode>> m_children;
HashMap<FlatPtr, size_t> m_events_per_address;
};
class Profile {
public:
static OwnPtr<Profile> load_from_perfcore_file(const StringView& path);
~Profile();
GUI::Model& model();
GUI::Model* disassembly_model();
void set_disassembly_index(const GUI::ModelIndex&);
const Vector<NonnullRefPtr<ProfileNode>>& roots() const { return m_roots; }
struct Frame {
String symbol;
u32 address { 0 };
u32 offset { 0 };
};
struct Event {
u64 timestamp { 0 };
String type;
FlatPtr ptr { 0 };
size_t size { 0 };
bool in_kernel { false };
Vector<Frame> frames;
};
u32 filtered_event_count() const { return m_filtered_event_count; }
const Vector<Event>& events() const { return m_events; }
u64 length_in_ms() const { return m_last_timestamp - m_first_timestamp; }
u64 first_timestamp() const { return m_first_timestamp; }
u64 last_timestamp() const { return m_last_timestamp; }
u32 deepest_stack_depth() const { return m_deepest_stack_depth; }
void set_timestamp_filter_range(u64 start, u64 end);
void clear_timestamp_filter_range();
bool has_timestamp_filter_range() const { return m_has_timestamp_filter_range; }
bool is_inverted() const { return m_inverted; }
void set_inverted(bool);
bool show_percentages() const { return m_show_percentages; }
void set_show_percentages(bool);
const String& executable_path() const { return m_executable_path; }
private:
Profile(String executable_path, Vector<Event>);
void rebuild_tree();
String m_executable_path;
RefPtr<ProfileModel> m_model;
RefPtr<DisassemblyModel> m_disassembly_model;
GUI::ModelIndex m_disassembly_index;
Vector<NonnullRefPtr<ProfileNode>> m_roots;
u32 m_filtered_event_count { 0 };
u64 m_first_timestamp { 0 };
u64 m_last_timestamp { 0 };
Vector<Event> m_events;
bool m_has_timestamp_filter_range { false };
u64 m_timestamp_filter_range_start { 0 };
u64 m_timestamp_filter_range_end { 0 };
u32 m_deepest_stack_depth { 0 };
bool m_inverted { false };
bool m_show_percentages { false };
};
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