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HackStudio: Add progress bar to Debugger initialization

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During Debugger initialization, most of the time is spent creating
DebugInfo objects for the libraries that the program has loaded.
This commit is contained in:
Itamar 2023-02-19 21:48:45 +02:00 • committed by Andreas Kling
parent 0896c03744
commit 6e5b1f5819
5 changed files with 39 additions and 16 deletions
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23
Userland/Libraries/LibDebug/DebugSession.cpp
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@ -17,10 +17,10 @@
namespace Debug {
DebugSession::DebugSession(pid_t pid, DeprecatedString source_root)
DebugSession::DebugSession(pid_t pid, DeprecatedString source_root, Function<void(float)> on_initialization_progress)
: m_debuggee_pid(pid)
, m_source_root(source_root)
, m_on_initialization_progress(move(on_initialization_progress))
{
}
@ -55,7 +55,8 @@ void DebugSession::for_each_loaded_library(Function<IterationDecision(LoadedLibr
OwnPtr<DebugSession> DebugSession::exec_and_attach(DeprecatedString const& command,
DeprecatedString source_root,
Function<ErrorOr<void>()> setup_child)
Function<ErrorOr<void>()> setup_child,
Function<void(float)> on_initialization_progress)
{
auto pid = fork();
@ -114,7 +115,7 @@ OwnPtr<DebugSession> DebugSession::exec_and_attach(DeprecatedString const& comma
return {};
}
auto debug_session = adopt_own(*new DebugSession(pid, source_root));
auto debug_session = adopt_own(*new DebugSession(pid, source_root, move(on_initialization_progress)));
// Continue until breakpoint before entry point of main program
int wstatus = debug_session->continue_debuggee_and_wait();
@ -129,7 +130,7 @@ OwnPtr<DebugSession> DebugSession::exec_and_attach(DeprecatedString const& comma
return debug_session;
}
OwnPtr<DebugSession> DebugSession::attach(pid_t pid, DeprecatedString source_root)
OwnPtr<DebugSession> DebugSession::attach(pid_t pid, DeprecatedString source_root, Function<void(float)> on_initialization_progress)
{
if (ptrace(PT_ATTACH, pid, 0, 0) < 0) {
perror("PT_ATTACH");
@ -142,7 +143,7 @@ OwnPtr<DebugSession> DebugSession::attach(pid_t pid, DeprecatedString source_roo
return {};
}
auto debug_session = adopt_own(*new DebugSession(pid, source_root));
auto debug_session = adopt_own(*new DebugSession(pid, source_root, move(on_initialization_progress)));
// At this point, libraries should have been loaded
debug_session->update_loaded_libs();
@ -467,7 +468,17 @@ void DebugSession::update_loaded_libs()
return DeprecatedString::formatted("/usr/lib/{}", lib_name);
};
ScopeGuard progress_guard([this]() {
m_on_initialization_progress(0);
});
size_t vm_entry_index = 0;
vm_entries.for_each([&](auto& entry) {
++vm_entry_index;
if (m_on_initialization_progress)
m_on_initialization_progress(vm_entry_index / static_cast<float>(vm_entries.size()));
// TODO: check that region is executable
auto vm_name = entry.as_object().get_deprecated_string("name"sv).value();