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ProfileViewer: Begin work on a visualization tool for profiles :^)

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We begin with a simple treeview that shows a recorded profile.
To record and view a profile of a process with <PID>, simply do this:

$ profile <PID> on
... wait while PID does something interesting ...
$ profile <PID> off
$ cat /proc/profile > my-profile.prof
$ ProfileViewer my-profile.prof
This commit is contained in:
Andreas Kling 2019-12-12 22:01:06 +01:00
parent 0f393148da
commit 19d8c675f1
8 changed files with 350 additions and 0 deletions
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28
DevTools/ProfileViewer/ProfileModel.h Normal file
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#pragma once
#include <LibGUI/GModel.h>
class Profile;
class ProfileModel final : public GModel {
public:
static NonnullRefPtr<ProfileModel> create(Profile& profile)
{
return adopt(*new ProfileModel(profile));
}
virtual ~ProfileModel() override;
virtual int row_count(const GModelIndex& = GModelIndex()) const override;
virtual int column_count(const GModelIndex& = GModelIndex()) const override;
virtual GVariant data(const GModelIndex&, Role = Role::Display) const override;
virtual GModelIndex index(int row, int column, const GModelIndex& parent = GModelIndex()) const override;
virtual GModelIndex parent_index(const GModelIndex&) const override;
virtual void update() override;
private:
explicit ProfileModel(Profile&);
Profile& m_profile;
GIcon m_frame_icon;
};