openharmony_kernel_liteos_a/kernel/extended/perf/los_perf_pri.h

159 lines
5.0 KiB
C

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_PERF_PRI_H
#define _LOS_PERF_PRI_H
#include "los_perf.h"
#include "perf.h"
#include "los_mp.h"
#include "los_task_pri.h"
#include "los_exc_pri.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define PERF_EVENT_TO_CODE 0
#define PERF_CODE_TO_EVENT 1
#define PERF_DATA_MAGIC_WORD 0xEFEFEF00
#define SMP_CALL_PERF_FUNC(func) OsMpFuncCall(OS_MP_CPU_ALL, (SMP_FUNC_CALL)func, NULL)
enum PmuStatus {
PERF_PMU_STOPED,
PERF_PMU_STARTED,
};
typedef struct {
UINTPTR pc;
UINTPTR fp;
} PerfRegs;
typedef struct {
UINT32 ipNr;
IpInfo ip[PERF_MAX_CALLCHAIN_DEPTH];
} PerfBackTrace;
typedef struct {
UINT32 cpuid; /* cpu id */
UINT32 taskId; /* task id */
UINT32 processId; /* process id */
UINT32 eventId; /* record type */
UINT32 period; /* record period */
UINT64 time; /* record time */
IpInfo pc; /* instruction pointer */
PerfBackTrace callChain; /* number of callChain ips */
} PerfSampleData;
typedef struct {
UINT32 magic; /* magic number */
UINT32 eventType; /* enum PerfEventType */
UINT32 len; /* sample data file length */
UINT32 sampleType; /* IP | TID | TIMESTAMP... */
UINT32 sectionId; /* section id */
} PerfDataHdr;
typedef struct {
UINT32 counter;
UINT32 eventId;
UINT32 period;
UINT64 count[LOSCFG_KERNEL_CORE_NUM];
} Event;
typedef struct {
Event per[PERF_MAX_EVENT];
UINT8 nr;
UINT8 cntDivided;
} PerfEvent;
typedef struct {
enum PerfEventType type;
PerfEvent events;
UINT32 (*config)(VOID);
UINT32 (*start)(VOID);
UINT32 (*stop)(VOID);
CHAR *(*getName)(Event *event);
} Pmu;
typedef struct {
/* time info */
UINT64 startTime;
UINT64 endTime;
/* instrumentation status */
enum PerfStatus status;
enum PmuStatus pmuStatusPerCpu[LOSCFG_KERNEL_CORE_NUM];
/* configuration info */
UINT32 sampleType;
UINT32 taskIds[PERF_MAX_FILTER_TSKS];
UINT8 taskIdsNr;
UINT32 processIds[PERF_MAX_FILTER_TSKS];
UINT8 processIdsNr;
UINT8 needSample;
} PerfCB;
#ifndef OsPerfArchFetchIrqRegs
STATIC INLINE VOID OsPerfArchFetchIrqRegs(PerfRegs *regs, LosTaskCB *curTask) {}
#endif
STATIC INLINE VOID OsPerfFetchIrqRegs(PerfRegs *regs)
{
LosTaskCB *curTask = OsCurrTaskGet();
OsPerfArchFetchIrqRegs(regs, curTask);
PRINT_DEBUG("pc = 0x%x, fp = 0x%x\n", regs->pc, regs->fp);
}
#ifndef OsPerfArchFetchCallerRegs
STATIC INLINE VOID OsPerfArchFetchCallerRegs(PerfRegs *regs) {}
#endif
STATIC INLINE VOID OsPerfFetchCallerRegs(PerfRegs *regs)
{
OsPerfArchFetchCallerRegs(regs);
PRINT_DEBUG("pc = 0x%x, fp = 0x%x\n", regs->pc, regs->fp);
}
extern VOID OsPerfSetIrqRegs(UINTPTR pc, UINTPTR fp);
extern VOID OsPerfUpdateEventCount(Event *event, UINT32 value);
extern VOID OsPerfHandleOverFlow(Event *event, PerfRegs *regs);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_PERF_PRI_H */