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feature(debugger): Discard stale ATT events

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Related-to: NEO-10922

Signed-off-by: Brandon Yates <brandon.yates@intel.com>
This commit is contained in:
Brandon Yates
2024-05-15 01:01:46 +00:00
committed by Compute-Runtime-Automation
parent e9b81037a9
commit 80a5d6255e
4 changed files with 43 additions and 2 deletions
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9
level_zero/tools/source/debug/linux/xe/debug_session.cpp
View File

@@ -126,6 +126,9 @@ void DebugSessionLinuxXe::readInternalEventsAsync() {
if (result == ZE_RESULT_SUCCESS) {
std::lock_guard<std::mutex> lock(internalEventThreadMutex);
if (event->type == DRM_XE_EUDEBUG_EVENT_EU_ATTENTION) {
newestAttSeqNo.store(event->seqno);
}
auto memory = std::make_unique<uint64_t[]>(maxEventSize / sizeof(uint64_t));
memcpy(memory.get(), event, maxEventSize);
@@ -253,7 +256,11 @@ void DebugSessionLinuxXe::handleEvent(drm_xe_eudebug_event *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);
if (attention->base.seqno < newestAttSeqNo.load()) {
PRINT_DEBUGGER_INFO_LOG("Dropping stale ATT event seqno=%llu\n", (uint64_t)attention->base.seqno);
} else {
handleAttentionEvent(attention);
}
} break;
case DRM_XE_EUDEBUG_EVENT_VM_BIND: {

3
level_zero/tools/source/debug/linux/xe/debug_session.h
View File

@@ -67,7 +67,7 @@ struct DebugSessionLinuxXe : DebugSessionLinux {
int threadControlInterruptAll(drm_xe_eudebug_eu_control &euControl);
int threadControlResume(const std::vector<EuThread::ThreadId> &threads, drm_xe_eudebug_eu_control &euControl);
int threadControlStopped(drm_xe_eudebug_eu_control &euControl, std::unique_ptr<uint8_t[]> &bitmaskOut, size_t &bitmaskSizeOut);
void handleAttentionEvent(drm_xe_eudebug_event_eu_attention *attention);
MOCKABLE_VIRTUAL void handleAttentionEvent(drm_xe_eudebug_event_eu_attention *attention);
void handleMetadataEvent(drm_xe_eudebug_event_metadata *pMetaData);
bool handleMetadataOpEvent(drm_xe_eudebug_event_vm_bind_op_metadata *vmBindOpMetadata);
void updateContextAndLrcHandlesForThreadsWithAttention(EuThread::ThreadId threadId, AttentionEventFields &attention) override;
@@ -158,6 +158,7 @@ struct DebugSessionLinuxXe : DebugSessionLinux {
ze_result_t readEventImp(drm_xe_eudebug_event *drmDebugEvent);
int ioctl(unsigned long request, void *arg);
std::atomic<bool> processEntryEventGenerated = false;
std::atomic<uint64_t> newestAttSeqNo = 0;
};
} // namespace L0