Fix "ROCPROFSYS_USE_ROCM" runtime config setting. (#144)

[ROCm/rocprofiler-systems commit: b6b39af011]

projects/rocprofiler-systems/source/lib/core/config.cpp

@@ -1818,6 +1818,17 @@ get_use_amd_smi()
 #endif
 }
 
+bool
+get_use_rocm()
+{
+#if defined(ROCPROFSYS_USE_ROCM) && ROCPROFSYS_USE_ROCM > 0
+    static auto _v = get_config()->find("ROCPROFSYS_USE_ROCM");
+    return static_cast<tim::tsettings<bool>&>(*_v->second).get();
+#else
+    return false;
+#endif
+}
+
 bool&
 get_use_sampling()
 {

projects/rocprofiler-systems/source/lib/core/config.hpp

@@ -204,6 +204,9 @@ get_use_timemory() ROCPROFSYS_HOT;
 bool&
 get_use_causal() ROCPROFSYS_HOT;
 
+bool
+get_use_rocm() ROCPROFSYS_HOT;
+
 bool
 get_use_amd_smi() ROCPROFSYS_HOT;
 

projects/rocprofiler-systems/source/lib/rocprof-sys/library.cpp

@@ -820,7 +820,7 @@ rocprofsys_finalize_hidden(void)
     }
 
 #if defined(ROCPROFSYS_USE_ROCM) && ROCPROFSYS_USE_ROCM > 0
-    // TODO: option for rocm
+    if(get_use_rocm())
     {
         ROCPROFSYS_VERBOSE_F(1, "Shutting down ROCm...\n");
         rocprofiler_sdk::shutdown();

projects/rocprofiler-systems/source/lib/rocprof-sys/library/rocprofiler-sdk.cpp

@@ -1297,6 +1297,11 @@ rocprofiler_configure(uint32_t version, const char* runtime_version, uint32_t pr
        rocprofsys::get_state() < rocprofsys::State::Active)
         rocprofsys_init_tooling_hidden();
 
+    if(!rocprofsys::config::get_use_rocm())
+    {
+        return nullptr;
+    }
+
     // set the client name
     id->name = "rocprofsys";