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base-hw: trace execution time of core threads 

Fixes #3572
This commit is contained in:
Alexander Boettcher 2019-12-06 17:26:01 +01:00 committed by Christian Helmuth
parent 04969b6be0
commit e54ff599ca
1 changed files with 38 additions and 1 deletions
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39
repos/base-hw/src/core/thread_start.cc
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@ -26,6 +26,7 @@
#include <kernel/kernel.h>
#include <platform.h>
#include <platform_thread.h>
#include <trace/source_registry.h>
using namespace Genode;
@ -35,8 +36,44 @@ namespace Hw { extern Untyped_capability _main_thread_cap; }
void Thread::start()
{
/* start thread with stack pointer at the top of stack */
if (native_thread().platform_thread->start((void *)&_thread_start, stack_top()))
if (native_thread().platform_thread->start((void *)&_thread_start, stack_top())) {
error("failed to start thread");
return;
}
struct Trace_source : public Trace::Source::Info_accessor,
private Trace::Control,
private Trace::Source
{
Genode::Thread &thread;
/**
* Trace::Source::Info_accessor interface
*/
Info trace_source_info() const override
{
Platform_thread * t = thread.native_thread().platform_thread;
Trace::Execution_time execution_time { 0, 0 };
if (t)
execution_time = t->execution_time();
return { Session_label("core"), thread.name(),
execution_time, thread.affinity() };
}
Trace_source(Trace::Source_registry &registry, Genode::Thread &thread)
:
Trace::Control(),
Trace::Source(*this, *this),
thread(thread)
{
registry.insert(this);
}
};
/* create trace sources for core threads */
new (platform().core_mem_alloc()) Trace_source(Trace::sources(), *this);
}