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ProfileViewer: Add an instruction-level sample viewer

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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! :^)
This commit is contained in:
Andreas Kling 2020-04-11 18:46:11 +02:00
parent 5b91d848a7
commit 69583f07e0
7 changed files with 267 additions and 6 deletions
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23
DevTools/ProfileViewer/Profile.cpp
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@ -25,6 +25,7 @@
*/
#include "Profile.h"
#include "DisassemblyModel.h"
#include "ProfileModel.h"
#include <AK/HashTable.h>
#include <AK/MappedFile.h>
@ -43,8 +44,9 @@ static void sort_profile_nodes(Vector<NonnullRefPtr<ProfileNode>>& nodes)
child->sort_children();
}
Profile::Profile(Vector<Event> events)
: m_events(move(events))
Profile::Profile(String executable_path, Vector<Event> events)
: m_executable_path(move(executable_path))
, m_events(move(events))
{
m_first_timestamp = m_events.first().timestamp;
m_last_timestamp = m_events.last().timestamp;
@ -142,6 +144,7 @@ void Profile::rebuild_tree()
else
node = &node->find_or_create_child(symbol, address, offset, event.timestamp);
node->add_event_address(address);
node->increment_event_count();
if (is_innermost_frame)
node->increment_self_count();
@ -242,7 +245,7 @@ OwnPtr<Profile> Profile::load_from_perfcore_file(const StringView& path)
events.append(move(event));
}
return NonnullOwnPtr<Profile>(NonnullOwnPtr<Profile>::Adopt, *new Profile(move(events)));
return NonnullOwnPtr<Profile>(NonnullOwnPtr<Profile>::Adopt, *new Profile(executable_path, move(events)));
}
void ProfileNode::sort_children()
@ -284,3 +287,17 @@ void Profile::set_show_percentages(bool show_percentages)
return;
m_show_percentages = show_percentages;
}
void Profile::set_disassembly_index(const GUI::ModelIndex& index)
{
if (m_disassembly_index == index)
return;
m_disassembly_index = index;
auto* node = static_cast<ProfileNode*>(index.internal_data());
m_disassembly_model = DisassemblyModel::create(*this, *node);
}
GUI::Model* Profile::disassembly_model()
{
return m_disassembly_model;
}