void benchmark_track_utilisation_dump(void)
{
uint64_t *buffer = ((uint64_t *) & (((seL4_IPCBuffer *)lookupIPCBuffer(true, NODE_STATE(ksCurThread)))->msg[0]));
tcb_t *tcb = NULL;
word_t tcb_cptr = getRegister(NODE_STATE(ksCurThread), capRegister);
lookupCap_ret_t lu_ret;
word_t cap_type;
lu_ret = lookupCap(NODE_STATE(ksCurThread), tcb_cptr);
/* ensure we got a TCB cap */
cap_type = cap_get_capType(lu_ret.cap);
if (cap_type != cap_thread_cap) {
userError("SysBenchmarkFinalizeLog: cap is not a TCB, halting");
return;
}
tcb = TCB_PTR(cap_thread_cap_get_capTCBPtr(lu_ret.cap));
buffer[BENCHMARK_TCB_UTILISATION] = tcb->benchmark.utilisation; /* Requested thread utilisation */
buffer[BENCHMARK_IDLE_LOCALCPU_UTILISATION] = NODE_STATE(
ksIdleThread)->benchmark.utilisation; /* Idle thread utilisation of current CPU */
#ifdef ENABLE_SMP_SUPPORT
buffer[BENCHMARK_IDLE_TCBCPU_UTILISATION] = NODE_STATE_ON_CORE(ksIdleThread,
tcb->tcbAffinity)->benchmark.utilisation; /* Idle thread utilisation of CPU the TCB is running on */
#else
buffer[BENCHMARK_IDLE_TCBCPU_UTILISATION] = buffer[BENCHMARK_IDLE_LOCALCPU_UTILISATION];
#endif
#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
buffer[BENCHMARK_TOTAL_UTILISATION] =
(ccnt_num_overflows * 0xFFFFFFFFU) + benchmark_end_time - benchmark_start_time;
#else
buffer[BENCHMARK_TOTAL_UTILISATION] = benchmark_end_time - benchmark_start_time; /* Overall time */
#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
}
static void
handleRecv(bool_t isBlocking)
{
word_t epCPtr;
lookupCap_ret_t lu_ret;
epCPtr = getRegister(ksCurThread, capRegister);
lu_ret = lookupCap(ksCurThread, epCPtr);
#if defined(DEBUG) || defined(CONFIG_BENCHMARK_TRACK_KERNEL_ENTRIES)
ksKernelEntry.cap_type = cap_get_capType(lu_ret.cap);
#endif
if (unlikely(lu_ret.status != EXCEPTION_NONE)) {
/* current_lookup_fault has been set by lookupCap */
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
return;
}
switch (cap_get_capType(lu_ret.cap)) {
case cap_endpoint_cap:
if (unlikely(!cap_endpoint_cap_get_capCanReceive(lu_ret.cap))) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
deleteCallerCap(ksCurThread);
receiveIPC(ksCurThread, lu_ret.cap, isBlocking);
break;
case cap_notification_cap: {
notification_t *ntfnPtr;
tcb_t *boundTCB;
ntfnPtr = NTFN_PTR(cap_notification_cap_get_capNtfnPtr(lu_ret.cap));
boundTCB = (tcb_t*)notification_ptr_get_ntfnBoundTCB(ntfnPtr);
if (unlikely(!cap_notification_cap_get_capNtfnCanReceive(lu_ret.cap)
|| (boundTCB && boundTCB != ksCurThread))) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
receiveSignal(ksCurThread, lu_ret.cap, isBlocking);
break;
}
default:
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
}
static void
handleWait(bool_t isBlocking)
{
word_t epCPtr;
lookupCap_ret_t lu_ret;
epCPtr = getRegister(ksCurThread, capRegister);
lu_ret = lookupCap(ksCurThread, epCPtr);
if (unlikely(lu_ret.status != EXCEPTION_NONE)) {
/* current_lookup_fault has been set by lookupCap */
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
return;
}
switch (cap_get_capType(lu_ret.cap)) {
case cap_endpoint_cap:
if (unlikely(!cap_endpoint_cap_get_capCanReceive(lu_ret.cap) || !isBlocking)) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
deleteCallerCap(ksCurThread);
receiveIPC(ksCurThread, lu_ret.cap);
break;
case cap_async_endpoint_cap: {
async_endpoint_t *aepptr;
tcb_t *boundTCB;
aepptr = AEP_PTR(cap_async_endpoint_cap_get_capAEPPtr(lu_ret.cap));
boundTCB = (tcb_t*)async_endpoint_ptr_get_aepBoundTCB(aepptr);
if (unlikely(!cap_async_endpoint_cap_get_capAEPCanReceive(lu_ret.cap)
|| (boundTCB && boundTCB != ksCurThread))) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
receiveAsyncIPC(ksCurThread, lu_ret.cap, isBlocking);
break;
}
default:
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
}
static void
handleWait(void)
{
word_t epCPtr;
lookupCap_ret_t lu_ret;
deleteCallerCap(ksCurThread);
epCPtr = getRegister(ksCurThread, capRegister);
lu_ret = lookupCap(ksCurThread, epCPtr);
if (unlikely(lu_ret.status != EXCEPTION_NONE)) {
/* current_lookup_fault has been set by lookupCap */
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
return;
}
switch (cap_get_capType(lu_ret.cap)) {
case cap_endpoint_cap:
if (unlikely(!cap_endpoint_cap_get_capCanReceive(lu_ret.cap))) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
receiveIPC(ksCurThread, lu_ret.cap);
break;
case cap_async_endpoint_cap:
if (unlikely(!cap_async_endpoint_cap_get_capAEPCanReceive(lu_ret.cap))) {
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
receiveAsyncIPC(ksCurThread, lu_ret.cap);
break;
default:
current_lookup_fault = lookup_fault_missing_capability_new(0);
current_fault = fault_cap_fault_new(epCPtr, true);
handleFault(ksCurThread);
break;
}
}
void benchmark_track_reset_utilisation(void)
{
tcb_t *tcb = NULL;
word_t tcb_cptr = getRegister(NODE_STATE(ksCurThread), capRegister);
lookupCap_ret_t lu_ret;
word_t cap_type;
lu_ret = lookupCap(NODE_STATE(ksCurThread), tcb_cptr);
/* ensure we got a TCB cap */
cap_type = cap_get_capType(lu_ret.cap);
if (cap_type != cap_thread_cap) {
userError("SysBenchmarkResetThreadUtilisation: cap is not a TCB, halting");
return;
}
tcb = TCB_PTR(cap_thread_cap_get_capTCBPtr(lu_ret.cap));
tcb->benchmark.utilisation = 0;
tcb->benchmark.schedule_start_time = 0;
}
