Put cached perfetto traces as default one (#2138)

* Put cached perfetto traces as default one

* Improve cached data and perfetto traces in order to be more aligned with E2E tests

* Addressing PR comments and findings

* Force early instrumentation bundle instantiation

* Sync-up insturumented containers with thread growth data

* Revert ompvv number of host threads to default 8

* Fixed counter track namings for amd-smi

* AIPROFSYST-34 [rocprof-sys] Update documentation describing newly introduced changes to default tracing mechanism

projects/rocprofiler-systems/source/lib/rocprof-sys/library/components/category_region.hpp

@@ -120,6 +120,31 @@ cache_stop(const char* name)
                      rocprofsys::trait::name<CategoryT>::value);
     }
 }
+
+/// Flush all pending cached entries for this thread.
+/// Called during finalization to ensure entries that were started but not stopped
+/// (e.g., main entry point) are written to the trace cache.
+inline void
+flush_pending_cached_entries()
+{
+    const auto end_ts = static_cast<timestamp_t>(rocprofsys::comp::wall_clock::record());
+    uint64_t   thread_id = 0;
+
+    const auto& extended_info = rocprofsys::thread_info::get(std::this_thread::get_id());
+    if(extended_info.has_value() && extended_info->index_data.has_value())
+    {
+        constexpr size_t UNKNOWN_TIME = 0;
+        thread_id                     = extended_info->index_data->system_value;
+        rocprofsys::trace_cache::get_metadata_registry().add_thread_info(
+            { getppid(), getpid(), thread_id, UNKNOWN_TIME, UNKNOWN_TIME, "{}" });
+    }
+
+    for(const auto& [key, start_ts] : map_name_to_args)
+    {
+        cache_region(thread_id, key.name, start_ts, end_ts, key.category);
+    }
+    map_name_to_args.clear();
+}
 }  // namespace
 
 namespace tim