SWDEV-466829 - Disable ROCP when in GTest

Change-Id: I3b218fe256717c1dc9187d5f17476dfc990656c2
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>


[ROCm/rdc commit: c40a6308c5]

projects/rdc/include/rdc/rdc.h

@@ -79,6 +79,7 @@ typedef enum {
                             //!<   but none was found
   RDC_ST_PERM_ERROR,        //!< Insufficient permission to complete
                             //!<   operation
+  RDC_ST_DISABLED_MODULE,   //!< Attempted loading disabled module
 
   RDC_ST_UNKNOWN_ERROR = 0xFFFFFFFF  //!< Unknown error
 } rdc_status_t;

projects/rdc/rdc_libs/rdc/src/RdcRocpLib.cc

@@ -62,8 +62,13 @@ RdcRocpLib::RdcRocpLib()
 
   status = rdc_module_init_(0);
   if (status != RDC_ST_OK) {
-    RDC_LOG(RDC_ERROR, "Fail to init librdc_rocp.so:" << rdc_status_string(status)
-                                                      << ". ROCP related function will not work.");
+    if (status == RDC_ST_DISABLED_MODULE) {
+      RDC_LOG(RDC_INFO, "Module: librdc_rocp.so is intentionally disabled!");
+    } else {
+      RDC_LOG(RDC_ERROR,
+              "Fail to init librdc_rocp.so:" << rdc_status_string(status)
+                                             << ". ROCP related function will not work.");
+    }
     return;
   }
 

projects/rdc/rdc_libs/rdc_modules/rdc_rocp/RdcTelemetryLib.cc

@@ -38,7 +38,32 @@ THE SOFTWARE.
 
 std::unique_ptr<amd::rdc::RdcRocpBase> rocp_p;
 
+bool is_rocp_disabled() {
+  const char* value = std::getenv("RDC_DISABLE_ROCP");
+  if (value == nullptr) return false;
+
+  std::string value_str = value;
+  std::transform(value_str.begin(), value_str.end(), value_str.begin(),
+                 [](unsigned char c) { return std::tolower(c); });
+
+  const std::vector<const char*> positive_list = {"yes", "true", "1", "on", "y", "t"};
+
+  return std::any_of(positive_list.begin(), positive_list.end(),
+                     [&value_str](const char* val) { return value_str == val; });
+}
+
 rdc_status_t rdc_module_init(uint64_t flags) {
+  if (is_rocp_disabled()) {
+    // rocprofiler does NOT work in gtest.
+    // GTest starts up multiple instances of the progam under test,
+    // however HSA does not allow for multiple instances. Since hsa_init() is called at the very
+    // top of RdcRocpBase constructor - easiest to disable it alltogether when RDC_DISABLE_ROCP is
+    // set.
+    //
+    // We cannot rely on GTEST_DECLARE_bool_ variable because RDC is compiled
+    // before the tests are. Utilize an env var instead.
+    return RDC_ST_DISABLED_MODULE;
+  }
   rocp_p = std::unique_ptr<amd::rdc::RdcRocpBase>(new amd::rdc::RdcRocpBase);
   return RDC_ST_OK;
 }

projects/rdc/tests/rdc_tests/main.cc

@@ -23,6 +23,7 @@ THE SOFTWARE.
 #include <dirent.h>
 #include <gtest/gtest.h>
 
+#include <cstdlib>
 #include <fstream>
 #include <iostream>
 #include <memory>
@@ -190,6 +191,9 @@ static int startRDCD(std::string* rdcd_path, char* envp[]) {
 }
 int main(int argc, char** argv, char* envp[]) {
   ::testing::InitGoogleTest(&argc, argv);
+  // disable ROCProfiler because its RDC plugin implementation does not work
+  // with GTest
+  setenv("RDC_DISABLE_ROCP", "yes", 0);
 
   RDCTstGlobals settings;
   int ret;