Added DPCTLDevice_GetProfilingTimerResolution

Author: oleksandr-pavlyk

libsyclinterface/include/dpctl_sycl_device_interface.h

@@ -587,3 +587,14 @@ DPCTLDevice_GetParentDevice(__dpctl_keep const DPCTLSyclDeviceRef DRef);
  */
 DPCTL_API
 size_t DPCTLDevice_Hash(__dpctl_keep const DPCTLSyclDeviceRef DRef);
+
+/*!
+ * @brief Wrapper over
+ * device.get_info<info::device::profiling_timer_resolution>
+ *
+ * @param    DRef           Opaque pointer to a sycl::device
+ * @return   Returns the resolution of device timer in nanoseconds.
+ */
+DPCTL_API
+size_t DPCTLDevice_GetProfilingTimerResolution(
+    __dpctl_keep const DPCTLSyclDeviceRef DRef);

libsyclinterface/source/dpctl_sycl_device_interface.cpp

@@ -648,3 +648,16 @@ size_t DPCTLDevice_Hash(__dpctl_keep const DPCTLSyclDeviceRef DRef)
         return 0;
     }
 }
+
+size_t DPCTLDevice_GetProfilingTimerResolution(
+    __dpctl_keep const DPCTLSyclDeviceRef DRef)
+{
+    if (DRef) {
+        auto D = unwrap(DRef);
+        return D->get_info<info::device::profiling_timer_resolution>();
+    }
+    else {
+        error_handler("Argument DRef is null", __FILE__, __func__, __LINE__);
+        return 0;
+    }
+}

libsyclinterface/tests/test_sycl_device_interface.cpp

@@ -375,6 +375,14 @@ TEST_P(TestDPCTLSyclDeviceInterface, ChkGetParentDevice)
     EXPECT_TRUE(pDRef == nullptr);
 }
 
+TEST_P(TestDPCTLSyclDeviceInterface, ChkGetProfilingTimerResolution)
+{
+    size_t res = 0;
+    EXPECT_NO_FATAL_FAILURE(res =
+                                DPCTLDevice_GetProfilingTimerResolution(DRef));
+    EXPECT_TRUE(res != 0);
+}
+
 INSTANTIATE_TEST_SUITE_P(DPCTLDeviceFns,
                          TestDPCTLSyclDeviceInterface,
                          ::testing::Values("opencl",
@@ -673,3 +681,11 @@ TEST_F(TestDPCTLSyclDeviceNullArgs, ChkHash)
     EXPECT_NO_FATAL_FAILURE(hash = DPCTLDevice_Hash(Null_DRef));
     ASSERT_TRUE(hash == 0);
 }
+
+TEST_F(TestDPCTLSyclDeviceNullArgs, ChkGetProfilingTimerResolution)
+{
+    size_t res = 1;
+    EXPECT_NO_FATAL_FAILURE(
+        res = DPCTLDevice_GetProfilingTimerResolution(Null_DRef));
+    ASSERT_TRUE(res == 0);
+}