Thread trace and Trace Decoder API tests and samples (#416)

* Adding test and samples to decoder

* Fix sample

* Formatting

* Fix multi test

* Disable sample

* Fix tests

* Format

* Version fix

* Locking the decoder

* Add atomic

* Review comments

* Format

* Adding readme

* merge conflict and adding PCS+ATT test

* Review comments

* Properly disable PCS test

* Update tests/rocprofv3/advanced-thread-trace/CMakeLists.txt

* Adding back env var test

* Name fix

* Preload sample

* Addressing review comments

* Update docs

---------

Co-authored-by: Giovanni Baraldi <gbaraldi@amd.com>

tests/thread-trace/multi_dispatch.cpp

@@ -48,15 +48,17 @@ dispatch_callback(rocprofiler_agent_id_t /* agent */,
     static std::atomic<size_t> count{0};
     if(count.fetch_add(1) > NUM_KERNELS) return ROCPROFILER_THREAD_TRACE_CONTROL_NONE;
 
-    assert(userdata && "Dispatch callback passed null!");
+    assert(dispatch_userdata && "Dispatch callback passed null!");
     dispatch_userdata->ptr = userdata;
 
     return ROCPROFILER_THREAD_TRACE_CONTROL_START_AND_STOP;
 }
 
 int
-tool_init(rocprofiler_client_finalize_t /* fini_func */, void* tool_data)
+tool_init(rocprofiler_client_finalize_t /* fini_func */, void* /* tool_data */)
 {
+    Callbacks::init();
+
     static rocprofiler_context_id_t client_ctx = {0};
 
     ROCPROFILER_CALL(rocprofiler_create_context(&client_ctx), "context creation");
@@ -67,7 +69,7 @@ tool_init(rocprofiler_client_finalize_t /* fini_func */, void* tool_data)
                                                        nullptr,
                                                        0,
                                                        Callbacks::tool_codeobj_tracing_callback,
-                                                       tool_data),
+                                                       nullptr),
         "code object tracing service configure");
 
     std::vector<rocprofiler_thread_trace_parameter_t> params{};
@@ -100,7 +102,7 @@ tool_init(rocprofiler_client_finalize_t /* fini_func */, void* tool_data)
                                                                 params.size(),
                                                                 dispatch_callback,
                                                                 Callbacks::shader_data_callback,
-                                                                tool_data),
+                                                                nullptr),
             "thread trace service configure");
     }
 
@@ -121,13 +123,6 @@ tool_init(rocprofiler_client_finalize_t /* fini_func */, void* tool_data)
     return 0;
 }
 
-void
-tool_fini(void* tool_data)
-{
-    Callbacks::finalize_json(tool_data);
-    delete static_cast<Callbacks::ToolData*>(tool_data);
-}
-
 }  // namespace Multi
 }  // namespace ATTTest
 
@@ -147,11 +142,11 @@ rocprofiler_configure(uint32_t /* version */,
     ATTTest::Multi::client_id = id;
 
     // create configure data
-    static auto cfg = rocprofiler_tool_configure_result_t{
-        sizeof(rocprofiler_tool_configure_result_t),
-        &ATTTest::Multi::tool_init,
-        &ATTTest::Multi::tool_fini,
-        reinterpret_cast<void*>(new Callbacks::ToolData{"att_multi_test/"})};
+    static auto cfg =
+        rocprofiler_tool_configure_result_t{sizeof(rocprofiler_tool_configure_result_t),
+                                            &ATTTest::Multi::tool_init,
+                                            &Callbacks::finalize,
+                                            nullptr};
 
     // return pointer to configure data
     return &cfg;