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Profiler: Add a new "Samples" view to the main UI

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You can now view the individual samples in a profile one by one with
the new "Samples" view. The "old" main view moves into a "Call Tree"
tab (but it remains the default view.)

When you select a sample in the samples view, we show you the full
symbolicated backtrace in a separate view on the right hand side. :^)
This commit is contained in:
Andreas Kling 2021-02-27 18:33:30 +01:00
parent 2c1f71055f
commit 1fb1279cfd
8 changed files with 369 additions and 11 deletions
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62
Userland/DevTools/Profiler/SamplesModel.h Normal file
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/*
* Copyright (c) 2018-2021, 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 <LibGUI/Model.h>
class Profile;
class SamplesModel final : public GUI::Model {
public:
static NonnullRefPtr<SamplesModel> create(Profile& profile)
{
return adopt(*new SamplesModel(profile));
}
enum Column {
SampleIndex,
Timestamp,
InnermostStackFrame,
__Count
};
virtual ~SamplesModel() override;
virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
virtual String column_name(int) const override;
virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;
virtual void update() override;
private:
explicit SamplesModel(Profile&);
Profile& m_profile;
GUI::Icon m_user_frame_icon;
GUI::Icon m_kernel_frame_icon;
};