Remove the tracer tool's constructor and destructor functions

Change-Id: I12d88af726074fb15f8159580c85c12888f72172

test/CMakeLists.txt

@@ -116,6 +116,10 @@ add_executable(backward_compat_test EXCLUDE_FROM_ALL app/backward_compat_test.cp
 target_link_libraries(backward_compat_test roctracer)
 add_dependencies(mytest backward_compat_test)
 
+add_executable(load_unload_reload_test EXCLUDE_FROM_ALL hsa/load_unload_reload.cpp)
+target_link_libraries(load_unload_reload_test hsa-runtime64::hsa-runtime64)
+add_dependencies(mytest load_unload_reload_test)
+
 ## Copy the golden traces and test scripts
 configure_file(run.sh ${PROJECT_BINARY_DIR} COPYONLY)
 execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink run.sh ${PROJECT_BINARY_DIR}/run_ci.sh)

test/golden_traces/load_unload_reload_trace.txt

@@ -0,0 +1,24 @@
+ROCTracer (pid=202688):
+0x55a6e1bfa280 agent cpu
+0x55a6e1bf9470 agent gpu
+0x55a6e1c34d10 agent gpu
+169339419628779
+    HSA-trace()
+    HSA-activity-trace()
+169339419776888:169339419781697 202688:202688 hsa_amd_profiling_async_copy_enable(1) = 0
+169339420102142:169339420102703 202688:202688 hsa_agent_get_info({handle=94175240364672}, 17, 0x7ffe818aff34) = 0
+169339420104075:169339420104606 202688:202688 hsa_agent_get_info({handle=94175240361072}, 17, 0x7ffe818aff34) = 0
+169339420105568:169339420106049 202688:202688 hsa_agent_get_info({handle=94175240604944}, 17, 0x7ffe818aff34) = 0
+169339420105568:169339420106941 202688:202688 hsa_iterate_agents(1, 0) = 0
+ROCTracer (pid=202688):
+0x55a6e1bfa280 agent cpu
+0x55a6e1c99260 agent gpu
+0x55a6e1c95d50 agent gpu
+169339843452619
+    HSA-trace()
+    HSA-activity-trace()
+169339843601029:169339843605668 202688:202688 hsa_amd_profiling_async_copy_enable(1) = 0
+169339843768255:169339843768816 202688:202688 hsa_agent_get_info({handle=94175240364672}, 17, 0x7ffe818aff34) = 0
+169339843770028:169339843770549 202688:202688 hsa_agent_get_info({handle=94175241015904}, 17, 0x7ffe818aff34) = 0
+169339843771491:169339843771962 202688:202688 hsa_agent_get_info({handle=94175241002320}, 17, 0x7ffe818aff34) = 0
+169339843771491:169339843772854 202688:202688 hsa_iterate_agents(1, 0) = 0

test/golden_traces/tests_trace_cmp_levels.txt

@@ -13,6 +13,7 @@ MatrixTranspose_kfd_trace --check-events .*
 MatrixTranspose_hip_input_trace --check-events .*
 copy_hsa_trace --check-events .*
 copy_hsa_input_trace --check-events .*
+load_unload_reload_trace --check-order .*
 hsa_co_trace --check-none
 code_obj_trace --check-none
 trace_buffer_trace --check-none

test/hsa/load_unload_reload.cpp

@@ -0,0 +1,50 @@
+/* Copyright (c) 2022 Advanced Micro Devices, Inc.
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE. */
+
+#include <hsa.h>
+
+#include <cassert>
+#include <cstdlib>
+
+#define CHECK(x)                                                                                   \
+  do {                                                                                             \
+    if ((x) != HSA_STATUS_SUCCESS) {                                                               \
+      assert(false);                                                                               \
+      abort();                                                                                     \
+    }                                                                                              \
+  } while (false);
+
+int main() {
+  // Run 2 loops of {hsa_init(); hsa_iterate_agents(); hsa_shut_down()} to test that the
+  // tracer tool correctly unloaded after the 1st iteration and then reloaded for the 2nd
+  // iteration.
+  for (int i = 0; i < 2; ++i) {
+    hsa_init();
+
+    CHECK(hsa_iterate_agents(
+        [](hsa_agent_t agent, void*) {
+          hsa_device_type_t type;
+          return hsa_agent_get_info(agent, HSA_AGENT_INFO_DEVICE, &type);
+        },
+        nullptr));
+
+    hsa_shut_down();
+  }
+}

test/run.sh

@@ -172,6 +172,9 @@ export ROCP_INPUT=test/input.xml
 eval_test "tool HSA test input" ./test/copy copy_hsa_input_trace
 unset ROCP_INPUT
 
+# Check that the tracer tool can be unloaded and then reloaded.
+eval_test "Load/Unload/Reload the tracer tool" ./test/load_unload_reload_test load_unload_reload_trace
+
 export HSA_TOOLS_LIB="$ROCTRACER_LIB_PATH/libroctracer64.so ./test/libhsaco_test.so"
 eval_test "tool HSA codeobj" ./test/MatrixTranspose hsa_co_trace