Revert "[Profiler] Give non-zero default values to start events (#149757)"

pytorchmergebot · pytorchmergebot · commit 3b00ff885095 · 2025-03-29T15:08:55.000Z
This reverts commit bc72420. Reverted #149757 on behalf of https://github.com/malfet due to Broke windows builds, which were also the signal on the HUD ([comment](#149757 (comment)))
diff --git a/torch/csrc/autograd/profiler_python.cpp b/torch/csrc/autograd/profiler_python.cpp
@@ -13,10 +13,6 @@
 #include <Python.h>
 #include <frameobject.h>
 
-#ifdef USE_KINETO
-#include <libkineto.h>
-#endif
-
 #include <ATen/core/TensorBase.h>
 #include <c10/macros/Macros.h>
 #include <c10/util/ApproximateClock.h>
@@ -1033,14 +1029,9 @@ class PostProcess {
       const auto python_tid =
           std::get<ExtraFields<E>>((*it)->extra_fields_).python_tid_;
       if ((*it)->start_tid_ == NoTID && SOFT_ASSERT(E == EventType::PyCall)) {
-#ifdef USE_KINETO
-        kineto::DeviceAndResource info = {
-            libkineto::processId(), libkineto::systemThreadId()};
-#else
-        kineto::DeviceAndResource info = kineto::DeviceAndResource();
-#endif // USE_KINETO
         const auto& tid_info =
-            tid_map.insert({python_tid, {NoTID, info}}).first->second;
+            tid_map.insert({python_tid, {NoTID, kineto::DeviceAndResource()}})
+                .first->second;
         (*it)->start_tid_ = tid_info.first;
         (*it)->kineto_info_ = tid_info.second;
       }
