Media
/
compute-runtime
mirror of https://github.com/intel/compute-runtime.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
compute-runtime/level_zero/tools/source/debug/linux/xe/debug_session.cpp

759 lines
37 KiB
C++
Raw Blame History

/*
* Copyright (C) 2023-2024 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "level_zero/tools/source/debug/linux/xe/debug_session.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/gmm_helper/gmm_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/os_interface/linux/drm_debug.h"
#include "shared/source/os_interface/linux/sys_calls.h"
#include "shared/source/os_interface/linux/xe/ioctl_helper_xe.h"
#include "level_zero/core/source/gfx_core_helpers/l0_gfx_core_helper.h"
#include "level_zero/tools/source/debug/debug_session.h"
#include "level_zero/tools/source/debug/linux/drm_helper.h"
namespace L0 {
static DebugSessionLinuxPopulateFactory<DEBUG_SESSION_LINUX_TYPE_XE, DebugSessionLinuxXe>
populateXeDebugger;
DebugSession *createDebugSessionHelperXe(const zet_debug_config_t &config, Device *device, int debugFd, void *params);
DebugSessionLinuxXe::DebugSessionLinuxXe(const zet_debug_config_t &config, Device *device, int debugFd, void *params) : DebugSessionLinux(config, device, debugFd) {
ioctlHandler.reset(new IoctlHandlerXe);
if (params) {
this->xeDebuggerVersion = reinterpret_cast<drm_xe_eudebug_connect *>(params)->version;
}
};
DebugSessionLinuxXe::~DebugSessionLinuxXe() {
closeAsyncThread();
closeInternalEventsThread();
closeFd();
}
DebugSession *DebugSessionLinuxXe::createLinuxSession(const zet_debug_config_t &config, Device *device, ze_result_t &result, bool isRootAttach) {
struct drm_xe_eudebug_connect open = {
.extensions = 0,
.pid = config.pid,
.flags = 0,
.version = 0};
auto debugFd = DrmHelper::ioctl(device, NEO::DrmIoctl::debuggerOpen, &open);
if (debugFd >= 0) {
PRINT_DEBUGGER_INFO_LOG("drm_xe_eudebug_connect: open.pid: %d, debugFd: %d\n",
open.pid, debugFd);
return createDebugSessionHelperXe(config, device, debugFd, &open);
} else {
auto reason = DrmHelper::getErrno(device);
PRINT_DEBUGGER_ERROR_LOG("drm_xe_eudebug_connect failed: open.pid: %d, retCode: %d, errno: %d\n",
open.pid, debugFd, reason);
result = translateDebuggerOpenErrno(reason);
}
return nullptr;
}
ze_result_t DebugSessionLinuxXe::initialize() {
struct pollfd pollFd = {
.fd = this->fd,
.events = POLLIN,
.revents = 0,
};
auto numberOfFds = ioctlHandler->poll(&pollFd, 1, 1000);
PRINT_DEBUGGER_INFO_LOG("initialization poll() retCode: %d\n", numberOfFds);
if (numberOfFds <= 0) {
return ZE_RESULT_NOT_READY;
}
bool isRootDevice = !connectedDevice->getNEODevice()->isSubDevice();
UNRECOVERABLE_IF(!isRootDevice);
createEuThreads();
tileSessionsEnabled = false;
startInternalEventsThread();
return ZE_RESULT_SUCCESS;
}
void DebugSessionLinuxXe::handleEventsAsync() {
auto eventMemory = getInternalEvent();
if (eventMemory != nullptr) {
auto debugEvent = reinterpret_cast<drm_xe_eudebug_event *>(eventMemory.get());
handleEvent(debugEvent);
}
}
void *DebugSessionLinuxXe::asyncThreadFunction(void *arg) {
DebugSessionLinuxXe *self = reinterpret_cast<DebugSessionLinuxXe *>(arg);
PRINT_DEBUGGER_INFO_LOG("Debugger async thread start\n", "");
while (self->asyncThread.threadActive) {
self->handleEventsAsync();
self->generateEventsAndResumeStoppedThreads();
self->sendInterrupts();
}
PRINT_DEBUGGER_INFO_LOG("Debugger async thread closing\n", "");
return nullptr;
}
void DebugSessionLinuxXe::startAsyncThread() {
asyncThread.thread = NEO::Thread::create(asyncThreadFunction, reinterpret_cast<void *>(this));
}
void DebugSessionLinuxXe::readInternalEventsAsync() {
struct pollfd pollFd = {
.fd = fd,
.events = POLLIN,
.revents = 0,
};
int pollTimeout = 1000;
auto numberOfFds = ioctlHandler->poll(&pollFd, 1, pollTimeout);
PRINT_DEBUGGER_INFO_LOG("Debugger async thread readEvent poll() retCode: %d\n", numberOfFds);
if (!detached && numberOfFds < 0 && errno == EINVAL) {
zet_debug_event_t debugEvent = {};
debugEvent.type = ZET_DEBUG_EVENT_TYPE_DETACHED;
debugEvent.info.detached.reason = ZET_DEBUG_DETACH_REASON_INVALID;
PRINT_DEBUGGER_INFO_LOG("Debugger detached\n", "");
pushApiEvent(debugEvent);
detached = true;
} else if (numberOfFds > 0) {
ze_result_t result = ZE_RESULT_SUCCESS;
int maxLoopCount = 3;
do {
uint8_t maxEventBuffer[sizeof(drm_xe_eudebug_event) + maxEventSize];
auto event = reinterpret_cast<drm_xe_eudebug_event *>(maxEventBuffer);
event->len = maxEventSize;
event->type = DRM_XE_EUDEBUG_EVENT_READ;
event->flags = 0;
result = readEventImp(event);
maxLoopCount--;
if (result == ZE_RESULT_SUCCESS) {
std::lock_guard<std::mutex> lock(internalEventThreadMutex);
auto memory = std::make_unique<uint64_t[]>(maxEventSize / sizeof(uint64_t));
memcpy(memory.get(), event, maxEventSize);
internalEventQueue.push(std::move(memory));
internalEventCondition.notify_one();
}
} while (result == ZE_RESULT_SUCCESS && maxLoopCount > 0);
}
}
int DebugSessionLinuxXe::ioctl(unsigned long request, void *arg) {
return ioctlHandler->ioctl(fd, request, arg);
}
ze_result_t DebugSessionLinuxXe::readEventImp(drm_xe_eudebug_event *drmDebugEvent) {
auto ret = ioctl(DRM_XE_EUDEBUG_IOCTL_READ_EVENT, drmDebugEvent);
if (ret != 0) {
PRINT_DEBUGGER_ERROR_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT failed: retCode: %d errno = %d\n", ret, errno);
return ZE_RESULT_NOT_READY;
} else if (drmDebugEvent->flags & ~static_cast<uint32_t>(DRM_XE_EUDEBUG_EVENT_CREATE | DRM_XE_EUDEBUG_EVENT_DESTROY | DRM_XE_EUDEBUG_EVENT_STATE_CHANGE | DRM_XE_EUDEBUG_EVENT_NEED_ACK)) {
PRINT_DEBUGGER_ERROR_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT unsupported flag = %d\n", (int)drmDebugEvent->flags);
return ZE_RESULT_ERROR_UNKNOWN;
}
return ZE_RESULT_SUCCESS;
}
void DebugSessionLinuxXe::handleEvent(drm_xe_eudebug_event *event) {
auto type = event->type;
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type = %u flags = %u seqno = %llu len = %lu",
(uint16_t)event->type, (uint16_t)event->flags, (uint64_t)event->seqno, (uint32_t)event->len);
switch (type) {
case DRM_XE_EUDEBUG_EVENT_OPEN: {
auto clientEvent = reinterpret_cast<drm_xe_eudebug_event_client *>(event);
if (event->flags & DRM_XE_EUDEBUG_EVENT_CREATE) {
DEBUG_BREAK_IF(clientHandleToConnection.find(clientEvent->client_handle) != clientHandleToConnection.end());
clientHandleToConnection[clientEvent->client_handle].reset(new ClientConnectionXe);
clientHandleToConnection[clientEvent->client_handle]->client = *clientEvent;
}
if (event->flags & DRM_XE_EUDEBUG_EVENT_DESTROY) {
clientHandleClosed = clientEvent->client_handle;
}
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_OPEN client.handle = %llu\n",
(uint64_t)clientEvent->client_handle);
} break;
case DRM_XE_EUDEBUG_EVENT_VM: {
drm_xe_eudebug_event_vm *vm = reinterpret_cast<drm_xe_eudebug_event_vm *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_VM client_handle = %llu vm_handle = %llu\n",
(uint64_t)vm->client_handle, (uint64_t)vm->vm_handle);
if (event->flags & DRM_XE_EUDEBUG_EVENT_CREATE) {
UNRECOVERABLE_IF(clientHandleToConnection.find(vm->client_handle) == clientHandleToConnection.end());
clientHandleToConnection[vm->client_handle]->vmIds.emplace(static_cast<uint64_t>(vm->vm_handle));
}
if (event->flags & DRM_XE_EUDEBUG_EVENT_DESTROY) {
UNRECOVERABLE_IF(clientHandleToConnection.find(vm->client_handle) == clientHandleToConnection.end());
clientHandleToConnection[vm->client_handle]->vmIds.erase(static_cast<uint64_t>(vm->vm_handle));
}
} break;
case DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE: {
drm_xe_eudebug_event_exec_queue *execQueue = reinterpret_cast<drm_xe_eudebug_event_exec_queue *>(event);
if (event->flags & DRM_XE_EUDEBUG_EVENT_CREATE) {
UNRECOVERABLE_IF(clientHandleToConnection.find(execQueue->client_handle) == clientHandleToConnection.end());
if (!processEntryEventGenerated) {
clientHandle = execQueue->client_handle;
zet_debug_event_t debugEvent = {};
debugEvent.type = ZET_DEBUG_EVENT_TYPE_PROCESS_ENTRY;
pushApiEvent(debugEvent);
processEntryEventGenerated = true;
}
clientHandleToConnection[execQueue->client_handle]->execQueues[execQueue->exec_queue_handle].vmHandle = execQueue->vm_handle;
clientHandleToConnection[execQueue->client_handle]->execQueues[execQueue->exec_queue_handle].engineClass = execQueue->engine_class;
for (uint16_t idx = 0; idx < execQueue->width; idx++) {
uint64_t lrcHandle = execQueue->lrc_handle[idx];
clientHandleToConnection[execQueue->client_handle]->execQueues[execQueue->exec_queue_handle].lrcHandles.push_back(lrcHandle);
clientHandleToConnection[execQueue->client_handle]->lrcHandleToVmHandle[lrcHandle] = execQueue->vm_handle;
}
}
if (event->flags & DRM_XE_EUDEBUG_EVENT_DESTROY) {
for (uint16_t idx = 0; idx < execQueue->width; idx++) {
clientHandleToConnection[execQueue->client_handle]->lrcHandleToVmHandle.erase(execQueue->lrc_handle[idx]);
}
clientHandleToConnection[execQueue->client_handle]->execQueues.erase(execQueue->exec_queue_handle);
{
bool lastExecQueue = true;
for (const auto &connection : clientHandleToConnection) {
if (!connection.second->execQueues.empty()) {
lastExecQueue = false;
break;
}
}
if (lastExecQueue) {
zet_debug_event_t debugEvent = {};
debugEvent.type = ZET_DEBUG_EVENT_TYPE_PROCESS_EXIT;
pushApiEvent(debugEvent);
processEntryEventGenerated = false;
}
}
}
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_EXEC_QUEUE client_handle = %llu vm_handle = %llu exec_queue_handle = %llu engine_class = %u\n",
(uint64_t)execQueue->client_handle, (uint64_t)execQueue->vm_handle,
(uint64_t)execQueue->exec_queue_handle, (uint16_t)execQueue->engine_class);
} break;
case DRM_XE_EUDEBUG_EVENT_EU_ATTENTION: {
drm_xe_eudebug_event_eu_attention *attention = reinterpret_cast<drm_xe_eudebug_event_eu_attention *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_EU_ATTENTION client_handle = %llu flags = %llu bitmask_size = %lu exec_queue_handle = %llu lrc_handle = %llu\n",
(uint64_t)attention->client_handle, (uint64_t)attention->flags,
(uint32_t)attention->bitmask_size, uint64_t(attention->exec_queue_handle), uint64_t(attention->lrc_handle));
handleAttentionEvent(attention);
} break;
case DRM_XE_EUDEBUG_EVENT_VM_BIND: {
drm_xe_eudebug_event_vm_bind *vmBind = reinterpret_cast<drm_xe_eudebug_event_vm_bind *>(event);
UNRECOVERABLE_IF(clientHandleToConnection.find(vmBind->client_handle) == clientHandleToConnection.end());
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_VM_BIND client_handle = %llu vm_handle = %llu num_binds = %llu vmBindflag=%lu\n",
static_cast<uint64_t>(vmBind->client_handle), static_cast<uint64_t>(vmBind->vm_handle),
static_cast<uint64_t>(vmBind->num_binds), static_cast<uint32_t>(vmBind->flags));
auto &connection = clientHandleToConnection[vmBind->client_handle];
UNRECOVERABLE_IF(connection->vmBindMap.find(vmBind->base.seqno) != connection->vmBindMap.end());
auto &vmBindData = connection->vmBindMap[vmBind->base.seqno];
vmBindData.vmBind = *vmBind;
vmBindData.pendingNumBinds = vmBind->num_binds;
} break;
case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP: {
drm_xe_eudebug_event_vm_bind_op *vmBindOp = reinterpret_cast<drm_xe_eudebug_event_vm_bind_op *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: drm_xe_eudebug_event_vm_bind_op vm_bind_ref_seqno = %llu num_extensions = %llu addr = 0x%llx range = %llu\n",
static_cast<uint64_t>(vmBindOp->vm_bind_ref_seqno), static_cast<uint64_t>(vmBindOp->num_extensions),
static_cast<uint64_t>(vmBindOp->addr), static_cast<uint64_t>(vmBindOp->range));
auto &vmBindMap = clientHandleToConnection[clientHandle]->vmBindMap;
UNRECOVERABLE_IF(vmBindMap.find(vmBindOp->vm_bind_ref_seqno) == vmBindMap.end());
auto &vmBindData = vmBindMap[vmBindOp->vm_bind_ref_seqno];
UNRECOVERABLE_IF(!vmBindData.pendingNumBinds);
auto &vmBindOpData = vmBindData.vmBindOpMap[vmBindOp->base.seqno];
vmBindOpData.pendingNumExtensions = vmBindOp->num_extensions;
vmBindOpData.vmBindOp = *vmBindOp;
vmBindData.pendingNumBinds--;
clientHandleToConnection[clientHandle]->vmBindIdentifierMap[vmBindOp->base.seqno] = vmBindOp->vm_bind_ref_seqno;
handleVmBind(vmBindData);
} break;
case DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE: {
drm_xe_eudebug_event_vm_bind_ufence *vmBindUfence = reinterpret_cast<drm_xe_eudebug_event_vm_bind_ufence *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_VM_BIND_UFENCE vm_bind_ref_seqno = %llu\n",
static_cast<uint64_t>(vmBindUfence->vm_bind_ref_seqno));
auto &vmBindMap = clientHandleToConnection[clientHandle]->vmBindMap;
UNRECOVERABLE_IF(vmBindMap.find(vmBindUfence->vm_bind_ref_seqno) == vmBindMap.end());
uint32_t uFenceRequired = vmBindMap[vmBindUfence->vm_bind_ref_seqno].vmBind.flags & DRM_XE_EUDEBUG_EVENT_VM_BIND_FLAG_UFENCE;
UNRECOVERABLE_IF(!uFenceRequired);
UNRECOVERABLE_IF(vmBindMap[vmBindUfence->vm_bind_ref_seqno].uFenceReceived); // Dont expect multiple UFENCE for same vm_bind
vmBindMap[vmBindUfence->vm_bind_ref_seqno].uFenceReceived = true;
vmBindMap[vmBindUfence->vm_bind_ref_seqno].vmBindUfence = *vmBindUfence;
handleVmBind(vmBindMap[vmBindUfence->vm_bind_ref_seqno]);
} break;
case DRM_XE_EUDEBUG_EVENT_METADATA: {
drm_xe_eudebug_event_metadata *metaData = reinterpret_cast<drm_xe_eudebug_event_metadata *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_METADATA client_handle = %llu metadata_handle = %llu type = %llu len = %llu\n",
(uint64_t)metaData->client_handle, (uint64_t)metaData->metadata_handle, (uint64_t)metaData->type, (uint64_t)metaData->len);
handleMetadataEvent(metaData);
} break;
case DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA: {
drm_xe_eudebug_event_vm_bind_op_metadata *vmBindOpMetadata = reinterpret_cast<drm_xe_eudebug_event_vm_bind_op_metadata *>(event);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA vm_bind_op_ref_seqno = %llu metadata_handle = %llu metadata_cookie = %llu\n",
static_cast<uint64_t>(vmBindOpMetadata->vm_bind_op_ref_seqno), static_cast<uint64_t>(vmBindOpMetadata->metadata_handle),
static_cast<uint64_t>(vmBindOpMetadata->metadata_cookie));
auto &vmBindMap = clientHandleToConnection[clientHandle]->vmBindMap;
auto &vmBindIdentifierMap = clientHandleToConnection[clientHandle]->vmBindIdentifierMap;
UNRECOVERABLE_IF(vmBindIdentifierMap.find(vmBindOpMetadata->vm_bind_op_ref_seqno) == vmBindIdentifierMap.end());
VmBindSeqNo vmBindSeqNo = vmBindIdentifierMap[vmBindOpMetadata->vm_bind_op_ref_seqno];
UNRECOVERABLE_IF(vmBindMap.find(vmBindSeqNo) == vmBindMap.end());
auto &vmBindOpData = vmBindMap[vmBindSeqNo].vmBindOpMap[vmBindOpMetadata->vm_bind_op_ref_seqno];
UNRECOVERABLE_IF(!vmBindOpData.pendingNumExtensions);
vmBindOpData.vmBindOpMetadataVec.push_back(*vmBindOpMetadata);
vmBindOpData.pendingNumExtensions--;
handleVmBind(vmBindMap[vmBindSeqNo]);
} break;
default:
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_READ_EVENT type: UNHANDLED %u flags = %u len = %lu\n", (uint16_t)event->type, (uint16_t)event->flags, (uint32_t)event->len);
break;
}
}
bool DebugSessionLinuxXe::canHandleVmBind(VmBindData &vmBindData) const {
if (vmBindData.pendingNumBinds) {
return false;
}
for (const auto &vmBindOpData : vmBindData.vmBindOpMap) {
if (vmBindOpData.second.pendingNumExtensions) {
return false;
}
}
uint32_t uFenceRequired = vmBindData.vmBind.flags & DRM_XE_EUDEBUG_EVENT_VM_BIND_FLAG_UFENCE;
if (uFenceRequired) {
if (!vmBindData.uFenceReceived) {
return false;
}
}
return true;
}
void DebugSessionLinuxXe::handleVmBind(VmBindData &vmBindData) {
if (!canHandleVmBind(vmBindData)) {
return;
}
bool shouldAckEvent = vmBindData.vmBind.flags & DRM_XE_EUDEBUG_EVENT_VM_BIND_FLAG_UFENCE;
auto connection = clientHandleToConnection[clientHandle].get();
auto elfHandleInVmBind = invalidHandle;
uint64_t moduleHandle = invalidHandle;
uint64_t isaAddr = 0;
bool triggerModuleLoadEvent = false;
for (auto &vmBindOpData : vmBindData.vmBindOpMap) {
auto &vmBindOp = vmBindOpData.second.vmBindOp;
for (const auto &vmBindOpMetadata : vmBindOpData.second.vmBindOpMetadataVec) {
auto &metaDataEntry = connection->metaDataMap[vmBindOpMetadata.metadata_handle];
if (vmBindOp.base.flags & DRM_XE_EUDEBUG_EVENT_CREATE) {
{
std::lock_guard<std::mutex> lock(asyncThreadMutex);
if (metaDataEntry.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SBA_AREA) {
connection->vmToStateBaseAreaBindInfo[vmBindData.vmBind.vm_handle] = {vmBindOp.addr, vmBindOp.range};
}
if (metaDataEntry.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA) {
connection->vmToContextStateSaveAreaBindInfo[vmBindData.vmBind.vm_handle] = {vmBindOp.addr, vmBindOp.range};
}
if (metaDataEntry.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_MODULE_AREA) {
connection->vmToModuleDebugAreaBindInfo[vmBindData.vmBind.vm_handle] = {vmBindOp.addr, vmBindOp.range};
}
}
if (metaDataEntry.metadata.type == DRM_XE_DEBUG_METADATA_ELF_BINARY) {
isaAddr = vmBindOp.addr;
if (connection->isaMap[0].find(vmBindOp.addr) == connection->isaMap[0].end()) {
auto &isaMap = connection->isaMap[0];
auto &elfMap = connection->elfMap;
auto isa = std::make_unique<IsaAllocation>();
isa->bindInfo = {vmBindOp.addr, vmBindOp.range};
isa->vmHandle = vmBindData.vmBind.vm_handle;
isa->elfHandle = vmBindOpMetadata.metadata_handle;
isa->moduleBegin = reinterpret_cast<uint64_t>(metaDataEntry.data.get());
isa->moduleEnd = isa->moduleBegin + metaDataEntry.metadata.len;
isa->tileInstanced = false;
isa->validVMs.insert(vmBindData.vmBind.vm_handle);
isa->perKernelModule = false;
elfMap[isa->moduleBegin] = isa->elfHandle;
isaMap[vmBindOp.addr] = std::move(isa);
isaMap[vmBindOp.addr]->moduleLoadEventAck = true;
elfHandleInVmBind = vmBindOpMetadata.metadata_handle;
} else {
auto &isa = connection->isaMap[0][vmBindOp.addr];
isa->validVMs.insert(vmBindData.vmBind.vm_handle);
}
}
if (metaDataEntry.metadata.type == DRM_XE_DEBUG_METADATA_PROGRAM_MODULE) {
auto &module = connection->metaDataToModule[vmBindOpMetadata.metadata_handle];
module.segmentVmBindCounter[0]++;
DEBUG_BREAK_IF(module.loadAddresses[0].size() > module.segmentCount);
bool canTriggerEvent = module.loadAddresses[0].size() == (module.segmentCount - 1);
module.loadAddresses[0].insert(vmBindOp.addr);
moduleHandle = vmBindOpMetadata.metadata_handle;
if (canTriggerEvent && module.loadAddresses[0].size() == module.segmentCount) {
triggerModuleLoadEvent = true;
}
}
}
}
if (vmBindOp.base.flags & DRM_XE_EUDEBUG_EVENT_DESTROY) {
if (connection->isaMap[0].count(vmBindOp.addr)) {
auto &isa = connection->isaMap[0][vmBindOp.addr];
if (isa->validVMs.count(vmBindData.vmBind.vm_handle)) {
auto &module = connection->metaDataToModule[isa->moduleHandle];
module.segmentVmBindCounter[0]--;
if (module.segmentVmBindCounter[0] == 0) {
zet_debug_event_t debugEvent = {};
auto &metaDataEntry = connection->metaDataMap[isa->moduleHandle];
auto gmmHelper = connectedDevice->getNEODevice()->getGmmHelper();
auto loadAddress = gmmHelper->canonize(*std::min_element(module.loadAddresses[0].begin(), module.loadAddresses[0].end()));
debugEvent.type = ZET_DEBUG_EVENT_TYPE_MODULE_UNLOAD;
debugEvent.info.module.format = ZET_MODULE_DEBUG_INFO_FORMAT_ELF_DWARF;
debugEvent.info.module.load = loadAddress;
auto &elfMetadata = connection->metaDataMap[isa->elfHandle];
debugEvent.info.module.moduleBegin = reinterpret_cast<uint64_t>(elfMetadata.data.get());
debugEvent.info.module.moduleEnd = reinterpret_cast<uint64_t>(elfMetadata.data.get()) + elfMetadata.metadata.len;
pushApiEvent(debugEvent, metaDataEntry.metadata.metadata_handle);
module.loadAddresses[0].clear();
module.moduleLoadEventAcked[0] = false;
}
isa->validVMs.erase(vmBindData.vmBind.vm_handle);
}
}
}
}
if (isaAddr && moduleHandle != invalidHandle) {
connection->isaMap[0][isaAddr]->moduleHandle = moduleHandle;
}
if (triggerModuleLoadEvent) {
DEBUG_BREAK_IF(moduleHandle == invalidHandle);
DEBUG_BREAK_IF(elfHandleInVmBind == invalidHandle);
auto &metaDataEntry = connection->metaDataMap[moduleHandle];
auto &module = connection->metaDataToModule[moduleHandle];
auto gmmHelper = connectedDevice->getNEODevice()->getGmmHelper();
auto loadAddress = gmmHelper->canonize(*std::min_element(module.loadAddresses[0].begin(), module.loadAddresses[0].end()));
PRINT_DEBUGGER_INFO_LOG("Zebin module loaded at: %p, with %u isa allocations", (void *)loadAddress, module.segmentCount);
auto &elfMetadata = connection->metaDataMap[elfHandleInVmBind];
zet_debug_event_t debugEvent = {};
debugEvent.type = ZET_DEBUG_EVENT_TYPE_MODULE_LOAD;
debugEvent.info.module.format = ZET_MODULE_DEBUG_INFO_FORMAT_ELF_DWARF;
debugEvent.info.module.load = loadAddress;
debugEvent.info.module.moduleBegin = reinterpret_cast<uint64_t>(elfMetadata.data.get());
debugEvent.info.module.moduleEnd = reinterpret_cast<uint64_t>(elfMetadata.data.get()) + elfMetadata.metadata.len;
debugEvent.flags = ZET_DEBUG_EVENT_FLAG_NEED_ACK;
pushApiEvent(debugEvent, metaDataEntry.metadata.metadata_handle);
{
std::lock_guard<std::mutex> lock(asyncThreadMutex);
if (vmBindData.vmBind.flags & DRM_XE_EUDEBUG_EVENT_VM_BIND_FLAG_UFENCE) {
if (vmBindData.vmBindUfence.base.flags & DRM_XE_EUDEBUG_EVENT_NEED_ACK) {
EventToAck ackEvent(vmBindData.vmBindUfence.base.seqno, vmBindData.vmBindUfence.base.type);
module.ackEvents[0].push_back(ackEvent);
shouldAckEvent = false;
}
}
}
}
if (shouldAckEvent && (vmBindData.vmBindUfence.base.flags & DRM_XE_EUDEBUG_EVENT_NEED_ACK)) {
EventToAck ackEvent(vmBindData.vmBindUfence.base.seqno, vmBindData.vmBindUfence.base.type);
eventAckIoctl(ackEvent);
}
}
void DebugSessionLinuxXe::handleMetadataEvent(drm_xe_eudebug_event_metadata *metaData) {
bool destroy = metaData->base.flags & DRM_XE_EUDEBUG_EVENT_DESTROY;
bool create = metaData->base.flags & DRM_XE_EUDEBUG_EVENT_CREATE;
UNRECOVERABLE_IF(clientHandleToConnection.find(metaData->client_handle) == clientHandleToConnection.end());
const auto &connection = clientHandleToConnection[metaData->client_handle];
if (destroy && connection->metaDataMap[metaData->metadata_handle].metadata.type == DRM_XE_DEBUG_METADATA_PROGRAM_MODULE) {
DEBUG_BREAK_IF(connection->metaDataToModule[metaData->metadata_handle].segmentVmBindCounter[0] != 0 ||
connection->metaDataToModule[metaData->metadata_handle].loadAddresses[0].size() > 0);
connection->metaDataToModule.erase(metaData->metadata_handle);
}
if (create) {
if (!metaData->len) {
connection->metaDataMap[metaData->metadata_handle].metadata = *metaData;
return;
}
drm_xe_eudebug_read_metadata readMetadata{};
auto ptr = std::make_unique<char[]>(metaData->len);
readMetadata.client_handle = metaData->client_handle;
readMetadata.metadata_handle = static_cast<decltype(readMetadata.metadata_handle)>(metaData->metadata_handle);
readMetadata.ptr = reinterpret_cast<uint64_t>(ptr.get());
readMetadata.size = metaData->len;
auto ret = ioctl(DRM_XE_EUDEBUG_IOCTL_READ_METADATA, &readMetadata);
if (ret != 0) {
PRINT_DEBUGGER_ERROR_LOG("DRM_XE_EUDEBUG_IOCTL_READ_METADATA ret = %d errno = %d\n", ret, errno);
return;
}
connection->metaDataMap[metaData->metadata_handle].metadata = *metaData;
connection->metaDataMap[metaData->metadata_handle].data = std::move(ptr);
if (metaData->type == DRM_XE_DEBUG_METADATA_PROGRAM_MODULE) {
auto handle = metaData->metadata_handle;
auto &newModule = connection->metaDataToModule[handle];
newModule.segmentCount = 0;
newModule.moduleHandle = handle;
for (uint32_t i = 0; i < NEO::EngineLimits::maxHandleCount; i++) {
newModule.segmentVmBindCounter[i] = 0;
newModule.loadAddresses[i].clear();
newModule.moduleLoadEventAcked[i] = false;
}
}
extractMetaData(metaData->client_handle, connection->metaDataMap[metaData->metadata_handle]);
}
}
void DebugSessionLinuxXe::extractMetaData(uint64_t client, const MetaData &metaData) {
if (metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SBA_AREA ||
metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_MODULE_AREA ||
metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA) {
UNRECOVERABLE_IF(metaData.metadata.len != 8);
uint64_t *data = (uint64_t *)metaData.data.get();
if (metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SBA_AREA) {
clientHandleToConnection[client]->stateBaseAreaGpuVa = *data;
PRINT_DEBUGGER_INFO_LOG("SbaTrackingBuffer GPU VA = %p", (void *)clientHandleToConnection[clientHandle]->stateBaseAreaGpuVa);
}
if (metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_MODULE_AREA) {
clientHandleToConnection[client]->moduleDebugAreaGpuVa = *data;
PRINT_DEBUGGER_INFO_LOG("ModuleHeapDebugArea GPU VA = %p", (void *)clientHandleToConnection[clientHandle]->moduleDebugAreaGpuVa);
}
if (metaData.metadata.type == WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA) {
clientHandleToConnection[client]->contextStateSaveAreaGpuVa = *data;
PRINT_DEBUGGER_INFO_LOG("ContextSaveArea GPU VA = %p", (void *)clientHandleToConnection[clientHandle]->contextStateSaveAreaGpuVa);
}
}
if (metaData.metadata.type == DRM_XE_DEBUG_METADATA_PROGRAM_MODULE) {
uint32_t segmentCount = 0;
memcpy_s(&segmentCount, sizeof(uint32_t), metaData.data.get(), metaData.metadata.len);
clientHandleToConnection[client]->metaDataToModule[metaData.metadata.metadata_handle].segmentCount = segmentCount;
PRINT_DEBUGGER_INFO_LOG("Zebin module = %ull, segment count = %ul", metaData.metadata.metadata_handle, segmentCount);
}
}
int DebugSessionLinuxXe::openVmFd(uint64_t vmHandle, [[maybe_unused]] bool readOnly) {
drm_xe_eudebug_vm_open vmOpen = {
.extensions = 0,
.client_handle = clientHandle,
.vm_handle = vmHandle,
.flags = 0,
.timeout_ns = 5000000000u};
return ioctl(DRM_XE_EUDEBUG_IOCTL_VM_OPEN, &vmOpen);
}
int DebugSessionLinuxXe::flushVmCache(int vmfd) {
int retVal = ioctlHandler->fsync(vmfd);
if (retVal != 0) {
PRINT_DEBUGGER_ERROR_LOG("Failed to fsync VM fd=%d errno=%d\n", vmfd, errno);
}
return retVal;
}
uint64_t DebugSessionLinuxXe::getVmHandleFromClientAndlrcHandle(uint64_t clientHandle, uint64_t lrcHandle) {
if (clientHandleToConnection.find(clientHandle) == clientHandleToConnection.end()) {
return invalidHandle;
}
auto &clientConnection = clientHandleToConnection[clientHandle];
if (clientConnection->lrcHandleToVmHandle.find(lrcHandle) == clientConnection->lrcHandleToVmHandle.end()) {
return invalidHandle;
}
return clientConnection->lrcHandleToVmHandle[lrcHandle];
}
void DebugSessionLinuxXe::handleAttentionEvent(drm_xe_eudebug_event_eu_attention *attention) {
if (interruptSent) {
if (attention->base.seqno <= euControlInterruptSeqno) {
PRINT_DEBUGGER_INFO_LOG("Discarding EU ATTENTION event for interrupt request. Event seqno == %llu <= %llu == interrupt seqno\n",
static_cast<uint64_t>(attention->base.seqno), euControlInterruptSeqno);
return;
}
}
newAttentionRaised();
std::vector<EuThread::ThreadId> threadsWithAttention;
AttentionEventFields attentionEventFields;
attentionEventFields.bitmask = attention->bitmask;
attentionEventFields.bitmaskSize = attention->bitmask_size;
attentionEventFields.clientHandle = attention->client_handle;
attentionEventFields.contextHandle = attention->exec_queue_handle;
attentionEventFields.lrcHandle = attention->lrc_handle;
return updateStoppedThreadsAndCheckTriggerEvents(attentionEventFields, 0, threadsWithAttention);
}
int DebugSessionLinuxXe::threadControlInterruptAll(drm_xe_eudebug_eu_control &euControl) {
int euControlRetVal = -1;
DEBUG_BREAK_IF(clientHandleToConnection.find(clientHandle) == clientHandleToConnection.end());
for (const auto &execQueue : clientHandleToConnection[clientHandle]->execQueues) {
euControl.exec_queue_handle = execQueue.first;
for (const auto &lrcHandle : execQueue.second.lrcHandles) {
euControl.lrc_handle = lrcHandle;
euControlRetVal = ioctl(DRM_XE_EUDEBUG_IOCTL_EU_CONTROL, &euControl);
if (euControlRetVal != 0) {
PRINT_DEBUGGER_ERROR_LOG("DRM_XE_EUDEBUG_IOCTL_EU_CONTROL failed: retCode: %d errno = %d command = %d, execQueueHandle = %llu lrcHandle = %llu\n",
euControlRetVal, errno, static_cast<uint32_t>(euControl.cmd), static_cast<uint64_t>(euControl.exec_queue_handle),
static_cast<uint64_t>(euControl.lrc_handle));
} else {
DEBUG_BREAK_IF(euControlInterruptSeqno >= euControl.seqno);
euControlInterruptSeqno = euControl.seqno;
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_EU_CONTROL: seqno = %llu command = %u\n", static_cast<uint64_t>(euControl.seqno),
static_cast<uint32_t>(euControl.cmd));
}
}
}
return euControlRetVal;
}
int DebugSessionLinuxXe::threadControlResumeAndStopped(const std::vector<EuThread::ThreadId> &threads, drm_xe_eudebug_eu_control &euControl,
std::unique_ptr<uint8_t[]> &bitmaskOut, size_t &bitmaskSizeOut) {
int euControlRetVal = -1;
auto hwInfo = connectedDevice->getHwInfo();
auto &l0GfxCoreHelper = connectedDevice->getL0GfxCoreHelper();
std::unique_ptr<uint8_t[]> bitmask;
size_t bitmaskSize = 0;
l0GfxCoreHelper.getAttentionBitmaskForSingleThreads(threads, hwInfo, bitmask, bitmaskSize);
euControl.bitmask_size = static_cast<uint32_t>(bitmaskSize);
euControl.bitmask_ptr = reinterpret_cast<uint64_t>(bitmask.get());
printBitmask(bitmask.get(), bitmaskSize);
uint64_t execQueueHandle{0};
uint64_t lrcHandle{0};
allThreads[threads[0]]->getContextHandle(execQueueHandle);
allThreads[threads[0]]->getLrcHandle(lrcHandle);
euControl.exec_queue_handle = execQueueHandle;
euControl.lrc_handle = lrcHandle;
euControlRetVal = ioctl(DRM_XE_EUDEBUG_IOCTL_EU_CONTROL, &euControl);
if (euControlRetVal != 0) {
PRINT_DEBUGGER_ERROR_LOG("DRM_XE_EUDEBUG_IOCTL_EU_CONTROL failed: retCode: %d errno = %d command = %d, execQueueHandle = %llu lrcHandle = %llu\n",
euControlRetVal, errno, static_cast<uint32_t>(euControl.cmd), static_cast<uint64_t>(euControl.exec_queue_handle),
static_cast<uint64_t>(euControl.lrc_handle));
} else {
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_EU_CONTROL: seqno = %llu command = %u\n", static_cast<uint64_t>(euControl.seqno), static_cast<uint32_t>(euControl.cmd));
}
if (euControl.cmd == DRM_XE_EUDEBUG_EU_CONTROL_CMD_STOPPED) {
bitmaskOut = std::move(bitmask);
UNRECOVERABLE_IF(bitmaskOut.get() == nullptr);
bitmaskSizeOut = euControl.bitmask_size;
}
return euControlRetVal;
}
int DebugSessionLinuxXe::threadControl(const std::vector<EuThread::ThreadId> &threads, uint32_t tile,
ThreadControlCmd threadCmd, std::unique_ptr<uint8_t[]> &bitmaskOut, size_t &bitmaskSizeOut) {
bitmaskSizeOut = 0;
struct drm_xe_eudebug_eu_control euControl = {};
euControl.client_handle = clientHandle;
euControl.bitmask_size = 0;
euControl.bitmask_ptr = 0;
switch (threadCmd) {
case ThreadControlCmd::interruptAll:
euControl.cmd = DRM_XE_EUDEBUG_EU_CONTROL_CMD_INTERRUPT_ALL;
return threadControlInterruptAll(euControl);
case ThreadControlCmd::resume:
euControl.cmd = DRM_XE_EUDEBUG_EU_CONTROL_CMD_RESUME;
return threadControlResumeAndStopped(threads, euControl, bitmaskOut, bitmaskSizeOut);
case ThreadControlCmd::stopped:
euControl.cmd = DRM_XE_EUDEBUG_EU_CONTROL_CMD_STOPPED;
return threadControlResumeAndStopped(threads, euControl, bitmaskOut, bitmaskSizeOut);
default:
break;
}
return -1;
}
void DebugSessionLinuxXe::updateContextAndLrcHandlesForThreadsWithAttention(EuThread::ThreadId threadId, AttentionEventFields &attention) {
allThreads[threadId]->setContextHandle(attention.contextHandle);
allThreads[threadId]->setLrcHandle(attention.lrcHandle);
}
int DebugSessionLinuxXe::eventAckIoctl(EventToAck &event) {
drm_xe_eudebug_ack_event eventToAck = {};
eventToAck.type = event.type;
eventToAck.seqno = event.seqno;
eventToAck.flags = 0;
auto ret = ioctl(DRM_XE_EUDEBUG_IOCTL_ACK_EVENT, &eventToAck);
PRINT_DEBUGGER_INFO_LOG("DRM_XE_EUDEBUG_IOCTL_ACK_EVENT seqno = %llu ret = %d errno = %d\n", static_cast<uint64_t>(eventToAck.seqno), ret, ret != 0 ? errno : 0);
return ret;
}
} // namespace L0
Reference in New Issue View Git Blame Copy Permalink