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foc: add core threads as trace source 

Fixes #3390
This commit is contained in:
Alexander Boettcher 2019-05-29 14:18:28 +02:00 committed by Christian Helmuth
parent fc1b7a626c
commit e2c1ce2add
2 changed files with 45 additions and 0 deletions
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1
repos/base-foc/src/core/include/platform_thread.h
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@ -206,6 +206,7 @@ namespace Genode {
Name name() const { return _name; }
bool core_thread() const { return _core_thread; }
addr_t utcb() const { return _utcb; }
unsigned prio() const { return _prio; }
};
}

44
repos/base-foc/src/core/thread_start.cc
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@ -15,6 +15,7 @@
/* Genode includes */
#include <base/thread.h>
#include <base/sleep.h>
#include <trace/source_registry.h>
/* base-internal includes */
#include <base/internal/stack.h>
@ -26,6 +27,8 @@
namespace Fiasco {
#include <l4/sys/debugger.h>
#include <l4/sys/factory.h>
#include <l4/sys/scheduler.h>
#include <l4/sys/thread.h>
}
using namespace Genode;
@ -65,6 +68,47 @@ void Thread::start()
l4_utcb_tcr_u(foc_utcb)->user[UTCB_TCR_THREAD_OBJ] = (addr_t)this;
pt.start((void *)_thread_start, stack_top());
struct Core_trace_source : public Trace::Source::Info_accessor,
private Trace::Control,
private Trace::Source
{
Thread &thread;
Platform_thread &platform_thread;
/**
* Trace::Source::Info_accessor interface
*/
Info trace_source_info() const override
{
uint64_t const sc_time = 0;
addr_t const kcap = (addr_t) platform_thread.pager_object_badge();
using namespace Fiasco;
l4_kernel_clock_t ec_time = 0;
l4_msgtag_t res = l4_thread_stats_time(kcap, &ec_time);
if (l4_error(res))
Genode::error("cpu time for ", thread.name(),
" is not available ", l4_error(res));
return { Session_label("core"), thread.name(),
Trace::Execution_time(ec_time, sc_time, 10000,
platform_thread.prio()),
thread._affinity };
}
Core_trace_source(Trace::Source_registry &registry, Thread &t,
Platform_thread &pt)
:
Trace::Control(),
Trace::Source(*this, *this), thread(t), platform_thread(pt)
{
registry.insert(this);
}
};
new (platform().core_mem_alloc()) Core_trace_source(Trace::sources(),
*this, pt);
}