rocr: Add hsa-agent Queries for Clock Counters

Support has been added to query the following
HSA_AMD_INFO_GET_CLOCK_COUNTERS agent info exposed through the hsa api
in rocr, rather than the user having to make a direct IOCTL call
through the kernel driver.

Signed-off-by: Sunday Clement <Sunday.Clement@amd.com>


[ROCm/ROCR-Runtime commit: e97d06530e]

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_aie_agent.cpp

@@ -253,6 +253,9 @@ hsa_status_t AieAgent::GetInfo(hsa_agent_info_t attribute, void *value) const {
   case HSA_AMD_AGENT_INFO_MEMORY_PROPERTIES:
     std::memset(value, 0, sizeof(uint8_t) * 8);
     break;
+  case HSA_AMD_AGENT_INFO_CLOCK_COUNTERS:
+    std::memset(value, 0, sizeof(hsa_amd_clock_counters_t));
+    break;
   default:
     *reinterpret_cast<uint32_t *>(value) = 0;
     return HSA_STATUS_ERROR_INVALID_ARGUMENT;

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_cpu_agent.cpp

@@ -417,6 +417,9 @@ hsa_status_t CpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
     case HSA_AMD_AGENT_INFO_SCRATCH_LIMIT_CURRENT:
       *((uint64_t*)value) = 0;
       break;
+    case HSA_AMD_AGENT_INFO_CLOCK_COUNTERS:
+      memset(value, 0, sizeof(hsa_amd_clock_counters_t));
+      break;
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
       break;

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -1674,6 +1674,19 @@ hsa_status_t GpuAgent::GetInfo(hsa_agent_info_t attribute, void* value) const {
     case HSA_AMD_AGENT_INFO_SCRATCH_LIMIT_CURRENT:
       *((uint64_t*)value) = scratch_limit_async_threshold_;
       break;
+    case HSA_AMD_AGENT_INFO_CLOCK_COUNTERS: {
+      HsaClockCounters hsakmt_counters = {};
+      hsa_amd_clock_counters_t* counters = static_cast<hsa_amd_clock_counters_t*>(value);
+
+      if (hsaKmtGetClockCounters(node_id(), &hsakmt_counters) == HSAKMT_STATUS_SUCCESS ) {
+        counters->cpu_clock_counter = hsakmt_counters.CPUClockCounter;
+        counters->gpu_clock_counter = hsakmt_counters.GPUClockCounter;
+        counters->system_clock_counter = hsakmt_counters.SystemClockCounter;
+        counters->system_clock_frequency = hsakmt_counters.SystemClockFrequencyHz;
+        break;
+      }
+      return HSA_STATUS_ERROR;
+    }
     default:
       return HSA_STATUS_ERROR_INVALID_ARGUMENT;
       break;

projects/rocr-runtime/runtime/hsa-runtime/inc/hsa_ext_amd.h

@@ -61,9 +61,10 @@
  * - 1.8 - hsa_amd_memory_get_preferred_copy_engine
  * - 1.9 - hsa_amd_portable_export_dmabuf_v2
  * - 1.10 - hsa_amd_vmem_address_reserve: HSA_AMD_VMEM_ADDRESS_NO_REGISTER
+ * - 1.11 - hsa_amd_agent_info_t: HSA_AMD_AGENT_INFO_CLOCK_COUNTERS
  */
 #define HSA_AMD_INTERFACE_VERSION_MAJOR 1
-#define HSA_AMD_INTERFACE_VERSION_MINOR 10
+#define HSA_AMD_INTERFACE_VERSION_MINOR 11
 
 #ifdef __cplusplus
 extern "C" {
@@ -476,6 +477,16 @@ typedef enum {
   HSA_IOMMU_SUPPORT_V2 = 1,
 } hsa_amd_iommu_version_t;
 
+/**
+ * @brief Structure containing information on the agent's clock counters.
+ */
+typedef struct hsa_amd_clock_counters_s {
+  uint64_t gpu_clock_counter;
+  uint64_t cpu_clock_counter;
+  uint64_t system_clock_counter;
+  uint64_t system_clock_frequency;
+} hsa_amd_clock_counters_t;
+
 /**
  * @brief Agent attributes.
  */
@@ -685,7 +696,12 @@ typedef enum hsa_amd_agent_info_s {
    *
    * The type of this attribute is uint64_t.
    */
-  HSA_AMD_AGENT_INFO_SCRATCH_LIMIT_CURRENT = 0xA117
+  HSA_AMD_AGENT_INFO_SCRATCH_LIMIT_CURRENT = 0xA117,
+  /**
+   * Queries the driver for clock counters of the agent.
+   * The type of this attribute is hsa_amd_clock_counters_t.
+   */
+  HSA_AMD_AGENT_INFO_CLOCK_COUNTERS = 0xA118
 } hsa_amd_agent_info_t;
 
 /**