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SystemMonitor: Add "profile process" menu action :^)

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You can now start profiling a process directly from SystemMonitor!
This is really neat.
This commit is contained in:
Andreas Kling 2020-07-01 21:08:16 +02:00
parent d4c92bd1b7
commit a44e52cc14
1 changed files with 24 additions and 2 deletions
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26
Applications/SystemMonitor/main.cpp
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@ -56,6 +56,7 @@
#include <LibGfx/Palette.h>
#include <LibPCIDB/Database.h>
#include <signal.h>
#include <spawn.h>
#include <stdio.h>
#include <unistd.h>
@ -111,14 +112,14 @@ can_access_pid(pid_t pid)
int main(int argc, char** argv)
{
if (pledge("stdio proc shared_buffer accept rpath unix cpath fattr", nullptr) < 0) {
if (pledge("stdio proc shared_buffer accept rpath exec unix cpath fattr", nullptr) < 0) {
perror("pledge");
return 1;
}
GUI::Application app(argc, argv);
if (pledge("stdio proc shared_buffer accept rpath", nullptr) < 0) {
if (pledge("stdio proc shared_buffer accept rpath exec", nullptr) < 0) {
perror("pledge");
return 1;
}
@ -143,6 +144,11 @@ int main(int argc, char** argv)
return 1;
}
if (unveil("/bin/Profiler", "x") < 0) {
perror("unveil");
return 1;
}
unveil(nullptr, nullptr);
auto window = GUI::Window::construct();
@ -202,6 +208,18 @@ int main(int argc, char** argv)
kill(pid, SIGCONT);
});
auto profile_action = GUI::Action::create("Profile process", { Mod_Ctrl, Key_P }, [&process_table_view](auto&) {
pid_t pid = process_table_view.selected_pid();
if (pid != -1) {
auto pid_string = String::format("%d", pid);
pid_t child;
const char* argv[] = { "/bin/Profiler", "--pid", pid_string.characters(), nullptr };
if (posix_spawn(&child, "/bin/Profiler", nullptr, nullptr, const_cast<char**>(argv), environ) < 0) {
perror("posix_spawn");
}
}
});
auto menubar = GUI::MenuBar::construct();
auto& app_menu = menubar->add_menu("System Monitor");
app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
@ -213,11 +231,15 @@ int main(int argc, char** argv)
process_menu.add_action(kill_action);
process_menu.add_action(stop_action);
process_menu.add_action(continue_action);
process_menu.add_separator();
process_menu.add_action(profile_action);
auto process_context_menu = GUI::Menu::construct();
process_context_menu->add_action(kill_action);
process_context_menu->add_action(stop_action);
process_context_menu->add_action(continue_action);
process_context_menu->add_separator();
process_context_menu->add_action(profile_action);
process_table_view.on_context_menu_request = [&](const GUI::ModelIndex& index, const GUI::ContextMenuEvent& event) {
(void)index;
process_context_menu->popup(event.screen_position());