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Atmosphere/libraries/libmesosphere/include/mesosphere/kern_k_trace.hpp

115 lines
5.7 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_spin_lock.hpp>
namespace ams::kern {
#if defined(MESOSPHERE_BUILD_FOR_TRACING)
constexpr inline bool IsKTraceEnabled = true;
#else
constexpr inline bool IsKTraceEnabled = false;
#endif
constexpr inline size_t KTraceBufferSize = IsKTraceEnabled ? 16_MB : 0;
static_assert(IsKTraceEnabled || !IsKTraceEnabled);
static_assert((IsKTraceEnabled) ^ (KTraceBufferSize == 0));
class KTrace {
public:
enum Type {
Type_ThreadSwitch = 1,
Type_SvcEntry0 = 3,
Type_SvcEntry1 = 4,
Type_SvcExit0 = 5,
Type_SvcExit1 = 6,
Type_Interrupt = 7,
Type_ScheduleUpdate = 11,
Type_CoreMigration = 14,
};
private:
static bool s_is_active;
public:
static void Initialize(KVirtualAddress address, size_t size);
static void Start();
static void Stop();
static void PushRecord(u8 type, u64 param0 = 0, u64 param1 = 0, u64 param2 = 0, u64 param3 = 0, u64 param4 = 0, u64 param5 = 0);
static ALWAYS_INLINE bool IsActive() { return s_is_active; }
};
}
#define MESOSPHERE_KTRACE_RESUME() \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
::ams::kern::KTrace::Start(); \
} \
})
#define MESOSPHERE_KTRACE_PAUSE() \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
::ams::kern::KTrace::Stop(); \
} \
})
#define MESOSPHERE_KTRACE_PUSH_RECORD(TYPE, ...) \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
if (::ams::kern::KTrace::IsActive()) { \
::ams::kern::KTrace::PushRecord(TYPE, ## __VA_ARGS__); \
} \
} \
})
#define MESOSPHERE_KTRACE_THREAD_SWITCH(NEXT) \
MESOSPHERE_KTRACE_PUSH_RECORD(::ams::kern::KTrace::Type_ThreadSwitch, (NEXT)->GetId())
#define MESOSPHERE_KTRACE_SVC_ENTRY(SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4, PARAM5, PARAM6, PARAM7) \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
if (::ams::kern::KTrace::IsActive()) { \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcEntry0, SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4); \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcEntry1, PARAM5, PARAM6, PARAM7); \
} \
} \
})
#define MESOSPHERE_KTRACE_SVC_EXIT(SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4, PARAM5, PARAM6, PARAM7) \
({ \
if constexpr (::ams::kern::IsKTraceEnabled) { \
if (::ams::kern::KTrace::IsActive()) { \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcExit0, SVC_ID, PARAM0, PARAM1, PARAM2, PARAM3, PARAM4); \
::ams::kern::KTrace::PushRecord(::ams::kern::KTrace::Type_SvcExit1, PARAM5, PARAM6, PARAM7); \
} \
} \
})
#define MESOSPHERE_KTRACE_INTERRUPT(ID) \
MESOSPHERE_KTRACE_PUSH_RECORD(::ams::kern::KTrace::Type_Interrupt, ID)
#define MESOSPHERE_KTRACE_SCHEDULE_UPDATE(CORE, PREV, NEXT) \
MESOSPHERE_KTRACE_PUSH_RECORD(::ams::kern::KTrace::Type_ScheduleUpdate, CORE, (PREV)->GetId(), (NEXT)->GetId())
#define MESOSPHERE_KTRACE_CORE_MIGRATION(THREAD_ID, PREV, NEXT, REASON) \
MESOSPHERE_KTRACE_PUSH_RECORD(::ams::kern::KTrace::Type_CoreMigration, THREAD_ID, PREV, NEXT, REASON)