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kern: implement thread call stack debug

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This commit is contained in:
Michael Scire
2020-12-09 22:49:04 -08:00
parent 16e2f46aed
commit af259eabda
11 changed files with 657 additions and 32 deletions
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44
libraries/libmesosphere/source/kern_k_dump_object.cpp
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@@ -44,6 +44,19 @@ namespace ams::kern::KDumpObject {
}
}
void DumpThreadCallStack(KThread *thread) {
if (KProcess *process = thread->GetOwnerProcess(); process != nullptr) {
MESOSPHERE_LOG("Thread ID=%5lu pid=%3lu %-11s Pri=%2d %-11s KernelStack=%4zu/%4zu\n",
thread->GetId(), process->GetId(), process->GetName(), thread->GetPriority(), ThreadStates[thread->GetState()], thread->GetKernelStackUsage(), PageSize);
KDebug::PrintRegister(thread);
KDebug::PrintBacktrace(thread);
} else {
MESOSPHERE_LOG("Thread ID=%5lu pid=%3d %-11s Pri=%2d %-11s KernelStack=%4zu/%4zu\n",
thread->GetId(), -1, "(kernel)", thread->GetPriority(), ThreadStates[thread->GetState()], thread->GetKernelStackUsage(), PageSize);
}
}
}
void DumpThread() {
@@ -77,4 +90,35 @@ namespace ams::kern::KDumpObject {
MESOSPHERE_LOG("\n");
}
void DumpThreadCallStack() {
MESOSPHERE_LOG("Dump Thread\n");
{
/* Lock the list. */
KThread::ListAccessor accessor;
const auto end = accessor.end();
/* Dump each thread. */
for (auto it = accessor.begin(); it != end; ++it) {
DumpThreadCallStack(static_cast<KThread *>(std::addressof(*it)));
}
}
MESOSPHERE_LOG("\n");
}
void DumpThreadCallStack(u64 thread_id) {
MESOSPHERE_LOG("Dump Thread\n");
{
/* Find and dump the target thread. */
if (KThread *thread = KThread::GetThreadFromId(thread_id); thread != nullptr) {
ON_SCOPE_EXIT { thread->Close(); };
DumpThreadCallStack(thread);
}
}
MESOSPHERE_LOG("\n");
}
}