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SystemMonitor: Display the stack of only the selected thread

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This uses the new ProcFS interface at /proc/<pid>/stacks/<tid>
This commit is contained in:
Ben Wiederhake 2020-08-09 20:19:28 +02:00 • committed by Andreas Kling
parent c3df2fe83f
commit dbbdb39c1f
4 changed files with 33 additions and 30 deletions
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23
Applications/SystemMonitor/main.cpp
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@ -31,7 +31,7 @@
#include "ProcessFileDescriptorMapWidget.h"
#include "ProcessMemoryMapWidget.h"
#include "ProcessModel.h"
#include "ProcessStacksWidget.h"
#include "ProcessStackWidget.h"
#include "ProcessUnveiledPathsWidget.h"
#include <LibCore/Timer.h>
#include <LibGUI/AboutDialog.h>
@ -199,34 +199,34 @@ int main(int argc, char** argv)
memory_stats_widget->refresh();
});
auto selected_pid = [&]() -> pid_t {
auto selected_id = [&](ProcessModel::Column column) -> pid_t {
if (process_table_view.selection().is_empty())
return -1;
auto pid_index = process_table_view.model()->index(process_table_view.selection().first().row(), ProcessModel::Column::PID);
auto pid_index = process_table_view.model()->index(process_table_view.selection().first().row(), column);
return process_table_view.model()->data(pid_index, GUI::Model::Role::Display).to_i32();
};
auto kill_action = GUI::Action::create("Kill process", { Mod_Ctrl, Key_K }, Gfx::Bitmap::load_from_file("/res/icons/kill16.png"), [&](const GUI::Action&) {
pid_t pid = selected_pid();
pid_t pid = selected_id(ProcessModel::Column::PID);
if (pid != -1)
kill(pid, SIGKILL);
});
auto stop_action = GUI::Action::create("Stop process", { Mod_Ctrl, Key_S }, Gfx::Bitmap::load_from_file("/res/icons/stop16.png"), [&](const GUI::Action&) {
pid_t pid = selected_pid();
pid_t pid = selected_id(ProcessModel::Column::PID);
if (pid != -1)
kill(pid, SIGSTOP);
});
auto continue_action = GUI::Action::create("Continue process", { Mod_Ctrl, Key_C }, Gfx::Bitmap::load_from_file("/res/icons/continue16.png"), [&](const GUI::Action&) {
pid_t pid = selected_pid();
pid_t pid = selected_id(ProcessModel::Column::PID);
if (pid != -1)
kill(pid, SIGCONT);
});
auto profile_action = GUI::Action::create("Profile process", { Mod_Ctrl, Key_P },
Gfx::Bitmap::load_from_file("/res/icons/16x16/app-profiler.png"), [&](auto&) {
pid_t pid = selected_pid();
pid_t pid = selected_id(ProcessModel::Column::PID);
if (pid != -1) {
auto pid_string = String::format("%d", pid);
pid_t child;
@ -242,7 +242,7 @@ int main(int argc, char** argv)
auto inspect_action = GUI::Action::create("Inspect process", { Mod_Ctrl, Key_I },
Gfx::Bitmap::load_from_file("/res/icons/16x16/app-inspector.png"), [&](auto&) {
pid_t pid = selected_pid();
pid_t pid = selected_id(ProcessModel::Column::PID);
if (pid != -1) {
auto pid_string = String::format("%d", pid);
pid_t child;
@ -316,10 +316,11 @@ int main(int argc, char** argv)
auto& memory_map_widget = process_tab_widget.add_tab<ProcessMemoryMapWidget>("Memory map");
auto& open_files_widget = process_tab_widget.add_tab<ProcessFileDescriptorMapWidget>("Open files");
auto& unveiled_paths_widget = process_tab_widget.add_tab<ProcessUnveiledPathsWidget>("Unveiled paths");
auto& stacks_widget = process_tab_widget.add_tab<ProcessStacksWidget>("Stacks");
auto& stack_widget = process_tab_widget.add_tab<ProcessStackWidget>("Stack");
process_table_view.on_selection = [&](auto&) {
auto pid = selected_pid();
auto pid = selected_id(ProcessModel::Column::PID);
auto tid = selected_id(ProcessModel::Column::TID);
if (!can_access_pid(pid)) {
process_tab_widget.set_visible(false);
process_tab_unused_widget.set_text("Process cannot be accessed");
@ -330,7 +331,7 @@ int main(int argc, char** argv)
process_tab_widget.set_visible(true);
process_tab_unused_widget.set_visible(false);
open_files_widget.set_pid(pid);
stacks_widget.set_pid(pid);
stack_widget.set_ids(pid, tid);
memory_map_widget.set_pid(pid);
unveiled_paths_widget.set_pid(pid);
};