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serenity/DevTools/Profiler/main.cpp
thankyouverycool 6448f94372 DevTools+LibGUI: Make ProcessChooser a general Dialog in LibGUI
Moves ProcessChooser and RunningProcessesModel to LibGUI and
generalizes their construction for use by other apps. Updates
Profiler to reflect the change and use its new icons.
2020-07-28 16:29:36 +02:00

182 lines
6.3 KiB
C++

/*
* 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.
*/
#include "Profile.h"
#include "ProfileTimelineWidget.h"
#include <LibCore/ArgsParser.h>
#include <LibCore/ElapsedTimer.h>
#include <LibCore/EventLoop.h>
#include <LibCore/Timer.h>
#include <LibGUI/AboutDialog.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/Desktop.h>
#include <LibGUI/Label.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MenuBar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Model.h>
#include <LibGUI/ProcessChooser.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TreeView.h>
#include <LibGUI/Window.h>
#include <serenity.h>
#include <stdio.h>
#include <string.h>
static bool generate_profile(pid_t specified_pid);
int main(int argc, char** argv)
{
Core::ArgsParser args_parser;
int pid = 0;
args_parser.add_option(pid, "PID to profile", "pid", 'p', "PID");
args_parser.parse(argc, argv, false);
auto app = GUI::Application::construct(argc, argv);
auto app_icon = GUI::Icon::default_icon("app-profiler");
const char* path = nullptr;
if (argc != 2) {
if (!generate_profile(pid))
return 0;
path = "/proc/profile";
} else {
path = argv[1];
}
auto profile = Profile::load_from_perfcore_file(path);
if (!profile) {
fprintf(stderr, "Unable to load profile '%s'\n", path);
return 1;
}
auto window = GUI::Window::construct();
window->set_title("Profiler");
window->set_rect(100, 100, 800, 600);
window->set_icon(app_icon.bitmap_for_size(16));
auto& main_widget = window->set_main_widget<GUI::Widget>();
main_widget.set_fill_with_background_color(true);
main_widget.set_layout<GUI::VerticalBoxLayout>();
main_widget.add<ProfileTimelineWidget>(*profile);
auto& bottom_splitter = main_widget.add<GUI::VerticalSplitter>();
auto& tree_view = bottom_splitter.add<GUI::TreeView>();
tree_view.set_headers_visible(true);
tree_view.set_model(profile->model());
auto& disassembly_view = bottom_splitter.add<GUI::TableView>();
tree_view.on_selection = [&](auto& index) {
profile->set_disassembly_index(index);
disassembly_view.set_model(profile->disassembly_model());
};
auto menubar = GUI::MenuBar::construct();
auto& app_menu = menubar->add_menu("Profiler");
app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
auto& view_menu = menubar->add_menu("View");
auto invert_action = GUI::Action::create_checkable("Invert tree", { Mod_Ctrl, Key_I }, [&](auto& action) {
profile->set_inverted(action.is_checked());
});
invert_action->set_checked(false);
view_menu.add_action(invert_action);
auto percent_action = GUI::Action::create_checkable("Show percentages", { Mod_Ctrl, Key_P }, [&](auto& action) {
profile->set_show_percentages(action.is_checked());
tree_view.update();
disassembly_view.update();
});
percent_action->set_checked(false);
view_menu.add_action(percent_action);
auto& help_menu = menubar->add_menu("Help");
help_menu.add_action(GUI::Action::create("About", [&](auto&) {
GUI::AboutDialog::show("Profiler", app_icon.bitmap_for_size(32), window);
}));
app->set_menubar(move(menubar));
window->show();
return app->exec();
}
bool prompt_to_stop_profiling()
{
auto window = GUI::Window::construct();
window->set_title("Profiling");
window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-profiler.png"));
Gfx::IntRect window_rect { 0, 0, 320, 200 };
window_rect.center_within(GUI::Desktop::the().rect());
window->set_rect(window_rect);
auto& widget = window->set_main_widget<GUI::Widget>();
widget.set_fill_with_background_color(true);
widget.set_layout<GUI::VerticalBoxLayout>();
auto& timer_label = widget.add<GUI::Label>("...");
Core::ElapsedTimer clock;
clock.start();
auto update_timer = Core::Timer::construct(100, [&] {
timer_label.set_text(String::format("%.1f seconds", (float)clock.elapsed() / 1000.0f));
});
auto& stop_button = widget.add<GUI::Button>("Stop");
stop_button.on_click = [&](auto) {
GUI::Application::the()->quit();
};
window->show();
return GUI::Application::the()->exec() == 0;
}
bool generate_profile(pid_t pid)
{
if (!pid) {
auto process_chooser = GUI::ProcessChooser::construct("Profiler", "Profile", Gfx::Bitmap::load_from_file("/res/icons/16x16/app-profiler.png"));
if (process_chooser->exec() == GUI::Dialog::ExecCancel)
return false;
pid = process_chooser->pid();
}
if (profiling_enable(pid) < 0) {
int saved_errno = errno;
GUI::MessageBox::show(nullptr, String::format("Unable to profile PID %d: %s", pid, strerror(saved_errno)), "Profiler", GUI::MessageBox::Type::Error);
return false;
}
if (!prompt_to_stop_profiling())
return false;
return true;
}