openharmony_kernel_liteos_a/kernel/base/sched/los_statistics.c

346 lines
11 KiB
C

/*
* Copyright (c) 2022-2022 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.
*/
#include "los_statistics_pri.h"
#include "los_task_pri.h"
#include "los_process_pri.h"
#ifdef LOSCFG_SCHED_DEBUG
#ifdef LOSCFG_SCHED_TICK_DEBUG
typedef struct {
UINT64 responseTime;
UINT64 responseTimeMax;
UINT64 count;
} SchedTickDebug;
STATIC SchedTickDebug *g_schedTickDebug = NULL;
UINT32 OsSchedDebugInit(VOID)
{
UINT32 size = sizeof(SchedTickDebug) * LOSCFG_KERNEL_CORE_NUM;
g_schedTickDebug = (SchedTickDebug *)LOS_MemAlloc(m_aucSysMem0, size);
if (g_schedTickDebug == NULL) {
return LOS_ERRNO_TSK_NO_MEMORY;
}
(VOID)memset_s(g_schedTickDebug, size, 0, size);
return LOS_OK;
}
VOID OsSchedDebugRecordData(VOID)
{
SchedRunqueue *rq = OsSchedRunqueue();
SchedTickDebug *schedDebug = &g_schedTickDebug[ArchCurrCpuid()];
UINT64 currTime = OsGetCurrSchedTimeCycle();
LOS_ASSERT(currTime >= rq->responseTime);
UINT64 usedTime = currTime - rq->responseTime;
schedDebug->responseTime += usedTime;
if (usedTime > schedDebug->responseTimeMax) {
schedDebug->responseTimeMax = usedTime;
}
schedDebug->count++;
}
UINT32 OsShellShowTickResponse(VOID)
{
UINT32 intSave;
UINT16 cpu;
UINT32 tickSize = sizeof(SchedTickDebug) * LOSCFG_KERNEL_CORE_NUM;
SchedTickDebug *schedDebug = (SchedTickDebug *)LOS_MemAlloc(m_aucSysMem1, tickSize);
if (schedDebug == NULL) {
return LOS_NOK;
}
SCHEDULER_LOCK(intSave);
(VOID)memcpy_s((CHAR *)schedDebug, tickSize, (CHAR *)g_schedTickDebug, tickSize);
SCHEDULER_UNLOCK(intSave);
PRINTK("cpu ATRTime(us) ATRTimeMax(us) TickCount\n");
for (cpu = 0; cpu < LOSCFG_KERNEL_CORE_NUM; cpu++) {
SchedTickDebug *schedData = &schedDebug[cpu];
UINT64 averTime = 0;
if (schedData->count > 0) {
averTime = schedData->responseTime / schedData->count;
averTime = (averTime * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
}
UINT64 timeMax = (schedData->responseTimeMax * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
PRINTK("%3u%14llu%15llu%11llu\n", cpu, averTime, timeMax, schedData->count);
}
(VOID)LOS_MemFree(m_aucSysMem1, schedDebug);
return LOS_OK;
}
#endif
#ifdef LOSCFG_SCHED_HPF_DEBUG
STATIC VOID SchedDataGet(const LosTaskCB *taskCB, UINT64 *runTime, UINT64 *timeSlice,
UINT64 *pendTime, UINT64 *schedWait)
{
if (taskCB->schedStat.switchCount >= 1) {
UINT64 averRunTime = taskCB->schedStat.runTime / taskCB->schedStat.switchCount;
*runTime = (averRunTime * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
}
if (taskCB->schedStat.timeSliceCount > 1) {
UINT64 averTimeSlice = taskCB->schedStat.timeSliceTime / (taskCB->schedStat.timeSliceCount - 1);
*timeSlice = (averTimeSlice * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
}
if (taskCB->schedStat.pendCount > 1) {
UINT64 averPendTime = taskCB->schedStat.pendTime / taskCB->schedStat.pendCount;
*pendTime = (averPendTime * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
}
if (taskCB->schedStat.waitSchedCount > 0) {
UINT64 averSchedWait = taskCB->schedStat.waitSchedTime / taskCB->schedStat.waitSchedCount;
*schedWait = (averSchedWait * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US;
}
}
UINT32 OsShellShowSchedStatistics(VOID)
{
UINT32 taskLinkNum[LOSCFG_KERNEL_CORE_NUM];
UINT32 intSave;
LosTaskCB task;
SchedEDF *sched = NULL;
SCHEDULER_LOCK(intSave);
for (UINT16 cpu = 0; cpu < LOSCFG_KERNEL_CORE_NUM; cpu++) {
SchedRunqueue *rq = OsSchedRunqueueByID(cpu);
taskLinkNum[cpu] = OsGetSortLinkNodeNum(&rq->timeoutQueue);
}
SCHEDULER_UNLOCK(intSave);
for (UINT16 cpu = 0; cpu < LOSCFG_KERNEL_CORE_NUM; cpu++) {
PRINTK("cpu: %u Task SortMax: %u\n", cpu, taskLinkNum[cpu]);
}
PRINTK(" Tid AverRunTime(us) SwitchCount AverTimeSlice(us) TimeSliceCount AverReadyWait(us) "
"AverPendTime(us) TaskName \n");
for (UINT32 tid = 0; tid < g_taskMaxNum; tid++) {
LosTaskCB *taskCB = g_taskCBArray + tid;
SCHEDULER_LOCK(intSave);
if (OsTaskIsUnused(taskCB) || (taskCB->processCB == (UINTPTR)OsGetIdleProcess())) {
SCHEDULER_UNLOCK(intSave);
continue;
}
sched = (SchedEDF *)&taskCB->sp;
if (sched->policy == LOS_SCHED_DEADLINE) {
SCHEDULER_UNLOCK(intSave);
continue;
}
(VOID)memcpy_s(&task, sizeof(LosTaskCB), taskCB, sizeof(LosTaskCB));
SCHEDULER_UNLOCK(intSave);
UINT64 averRunTime = 0;
UINT64 averTimeSlice = 0;
UINT64 averPendTime = 0;
UINT64 averSchedWait = 0;
SchedDataGet(&task, &averRunTime, &averTimeSlice, &averPendTime, &averSchedWait);
PRINTK("%5u%19llu%15llu%19llu%18llu%19llu%18llu %-32s\n", taskCB->taskID,
averRunTime, taskCB->schedStat.switchCount,
averTimeSlice, taskCB->schedStat.timeSliceCount - 1,
averSchedWait, averPendTime, taskCB->taskName);
}
return LOS_OK;
}
#endif
#ifdef LOSCFG_SCHED_EDF_DEBUG
#define EDF_DEBUG_NODE 20
typedef struct {
UINT32 tid;
INT32 runTimeUs;
UINT64 deadlineUs;
UINT64 periodUs;
UINT64 startTime;
UINT64 finishTime;
UINT64 nextfinishTime;
UINT64 timeSliceUnused;
UINT64 timeSliceRealTime;
UINT64 allRuntime;
UINT64 pendTime;
} EDFDebug;
STATIC EDFDebug g_edfNode[EDF_DEBUG_NODE];
STATIC INT32 g_edfNodePointer = 0;
VOID EDFDebugRecord(UINTPTR *task, UINT64 oldFinish)
{
LosTaskCB *taskCB = (LosTaskCB *)task;
SchedEDF *sched = (SchedEDF *)&taskCB->sp;
SchedParam param;
// when print edf info, will stop record
if (g_edfNodePointer == (EDF_DEBUG_NODE + 1)) {
return;
}
taskCB->ops->schedParamGet(taskCB, &param);
g_edfNode[g_edfNodePointer].tid = taskCB->taskID;
g_edfNode[g_edfNodePointer].runTimeUs =param.runTimeUs;
g_edfNode[g_edfNodePointer].deadlineUs =param.deadlineUs;
g_edfNode[g_edfNodePointer].periodUs =param.periodUs;
g_edfNode[g_edfNodePointer].startTime = taskCB->startTime;
if (taskCB->timeSlice <= 0) {
taskCB->irqUsedTime = 0;
g_edfNode[g_edfNodePointer].timeSliceUnused = 0;
} else {
g_edfNode[g_edfNodePointer].timeSliceUnused = taskCB->timeSlice;
}
g_edfNode[g_edfNodePointer].finishTime = oldFinish;
g_edfNode[g_edfNodePointer].nextfinishTime = sched->finishTime;
g_edfNode[g_edfNodePointer].timeSliceRealTime = taskCB->schedStat.timeSliceRealTime;
g_edfNode[g_edfNodePointer].allRuntime = taskCB->schedStat.allRuntime;
g_edfNode[g_edfNodePointer].pendTime = taskCB->schedStat.pendTime;
g_edfNodePointer++;
if (g_edfNodePointer == EDF_DEBUG_NODE) {
g_edfNodePointer = 0;
}
}
STATIC VOID EDFInfoPrint(int idx)
{
INT32 runTimeUs;
UINT64 deadlineUs;
UINT64 periodUs;
UINT64 startTime;
UINT64 timeSlice;
UINT64 finishTime;
UINT64 nextfinishTime;
UINT64 pendTime;
UINT64 allRuntime;
UINT64 timeSliceRealTime;
CHAR *status = NULL;
startTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].startTime);
timeSlice = OS_SYS_CYCLE_TO_US(g_edfNode[idx].timeSliceUnused);
finishTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].finishTime);
nextfinishTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].nextfinishTime);
pendTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].pendTime);
allRuntime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].allRuntime);
timeSliceRealTime = OS_SYS_CYCLE_TO_US(g_edfNode[idx].timeSliceRealTime);
runTimeUs = g_edfNode[idx].runTimeUs;
deadlineUs = g_edfNode[idx].deadlineUs;
periodUs = g_edfNode[idx].periodUs;
if (timeSlice > 0) {
status = "TIMEOUT";
} else if (nextfinishTime == finishTime) {
status = "NEXT PERIOD";
} else {
status = "WAIT RUN";
}
PRINTK("%4u%9d%9llu%9llu%12llu%12llu%12llu%9llu%9llu%9llu%9llu %-12s\n",
g_edfNode[idx].tid, runTimeUs, deadlineUs, periodUs,
startTime, finishTime, nextfinishTime, allRuntime, timeSliceRealTime,
timeSlice, pendTime, status);
}
VOID OsEDFDebugPrint(VOID)
{
INT32 max;
UINT32 intSave;
INT32 i;
SCHEDULER_LOCK(intSave);
max = g_edfNodePointer;
g_edfNodePointer = EDF_DEBUG_NODE + 1;
SCHEDULER_UNLOCK(intSave);
PRINTK("\r\nlast %d sched is: (in microsecond)\r\n", EDF_DEBUG_NODE);
PRINTK(" TID RunTime Deadline Period StartTime "
"CurPeriod NextPeriod AllRun RealRun TimeOut WaitTime Status\n");
for (i = max; i < EDF_DEBUG_NODE; i++) {
EDFInfoPrint(i);
}
for (i = 0; i < max; i++) {
EDFInfoPrint(i);
}
SCHEDULER_LOCK(intSave);
g_edfNodePointer = max;
SCHEDULER_UNLOCK(intSave);
}
UINT32 OsShellShowEdfSchedStatistics(VOID)
{
UINT32 intSave;
LosTaskCB task;
UINT64 curTime;
UINT64 deadline;
UINT64 finishTime;
SchedEDF *sched = NULL;
PRINTK("Now Alive EDF Thread:\n");
PRINTK("TID CurTime DeadTime FinishTime taskName\n");
for (UINT32 tid = 0; tid < g_taskMaxNum; tid++) {
LosTaskCB *taskCB = g_taskCBArray + tid;
SCHEDULER_LOCK(intSave);
if (OsTaskIsUnused(taskCB)) {
SCHEDULER_UNLOCK(intSave);
continue;
}
sched = (SchedEDF *)&taskCB->sp;
if (sched->policy != LOS_SCHED_DEADLINE) {
SCHEDULER_UNLOCK(intSave);
continue;
}
(VOID)memcpy_s(&task, sizeof(LosTaskCB), taskCB, sizeof(LosTaskCB));
curTime = OS_SYS_CYCLE_TO_US(HalClockGetCycles());
finishTime = OS_SYS_CYCLE_TO_US(sched->finishTime);
deadline = OS_SYS_CYCLE_TO_US(taskCB->ops->deadlineGet(taskCB));
SCHEDULER_UNLOCK(intSave);
PRINTK("%3u%15llu%15llu%15llu %-32s\n",
task.taskID, curTime, deadline, finishTime, task.taskName);
}
OsEDFDebugPrint();
return LOS_OK;
}
#endif
#endif