rocm-systems/projects/amdsmi/tests/rocm_smi_test/functional/perf_determinism.cc

/*
 * =============================================================================
 *   ROC Runtime Conformance Release License
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 * Open Source License (NCSA)
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 * Copyright (c) 2020, Advanced Micro Devices, Inc.
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 *                 Advanced Micro Devices, Inc.
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#include <stdint.h>
#include <stddef.h>

#include <iostream>
#include <string>
#include <map>
#include <bitset>
#include <algorithm>

#include "gtest/gtest.h"
#include "rocm_smi/rocm_smi.h"
#include "rocm_smi_test/functional/perf_determinism.h"
#include "rocm_smi_test/test_common.h"

static const std::map<rsmi_dev_perf_level_t, const char *>
   kDevPerfLvlNameMap = {
    {RSMI_DEV_PERF_LEVEL_AUTO, "RSMI_DEV_PERF_LEVEL_AUTO"},
    {RSMI_DEV_PERF_LEVEL_LOW, "RSMI_DEV_PERF_LEVEL_LOW"},
    {RSMI_DEV_PERF_LEVEL_HIGH, "RSMI_DEV_PERF_LEVEL_HIGH"},
    {RSMI_DEV_PERF_LEVEL_MANUAL, "RSMI_DEV_PERF_LEVEL_MANUAL"},
    {RSMI_DEV_PERF_LEVEL_STABLE_STD, "RSMI_DEV_PERF_LEVEL_STABLE_STD"},
    {RSMI_DEV_PERF_LEVEL_STABLE_MIN_MCLK,
                                       "RSMI_DEV_PERF_LEVEL_STABLE_MIN_MCLK"},
    {RSMI_DEV_PERF_LEVEL_STABLE_MIN_SCLK,
                                       "RSMI_DEV_PERF_LEVEL_STABLE_MIN_SCLK"},
    {RSMI_DEV_PERF_LEVEL_STABLE_PEAK, "RSMI_DEV_PERF_LEVEL_STABLE_PEAK"},

    {RSMI_DEV_PERF_LEVEL_UNKNOWN, "RSMI_DEV_PERF_LEVEL_UNKNOWN"},
};

TestPerfDeterminism::TestPerfDeterminism() : TestBase() {
  set_title("RSMI Performance Determinism Test");
  set_description("The Performance Determinism tests verifies "
                  "Enabling/Disabling performance determinism mode.");
}

TestPerfDeterminism::~TestPerfDeterminism(void) {
}

void TestPerfDeterminism::SetUp(void) {
  TestBase::SetUp();

  return;
}

void TestPerfDeterminism::DisplayTestInfo(void) {
  TestBase::DisplayTestInfo();
}

void TestPerfDeterminism::DisplayResults(void) const {
  TestBase::DisplayResults();
  return;
}

void TestPerfDeterminism::Close() {
  // This will close handles opened within rsmitst utility calls and call
  // rsmi_shut_down(), so it should be done after other hsa cleanup
  TestBase::Close();
}


void TestPerfDeterminism::Run(void) {
  rsmi_status_t err;
  rsmi_dev_perf_level_t pfl;
  rsmi_frequencies_t f;
  rsmi_status_t ret;

  TestBase::Run();
  if (setup_failed_) {
    std::cout << "** SetUp Failed for this test. Skipping.**" << std::endl;
    return;
  }
  // Set clocks to something other than the usual default of the lowest
  // frequency.
  uint64_t freq_bitmask = 0b01100;  // Try the 3rd and 4th clocks
  std::string freq_bm_str =
          std::bitset<RSMI_MAX_NUM_FREQUENCIES>(freq_bitmask).to_string();

  freq_bm_str.erase(0, std::min(freq_bm_str.find_first_not_of('0'),
                                                   freq_bm_str.size()-1));

  for (uint32_t i = 0; i < num_monitor_devs(); ++i) {
    PrintDeviceHeader(i);

    err = rsmi_perf_determinism_mode_set(i, freq_bitmask);

    if (err == RSMI_STATUS_NOT_SUPPORTED) {
      IF_VERB(STANDARD) {
        std::cout << "\t** Not supported on this machine" << std::endl;
      }
      return;
    } else {
      ret = rsmi_dev_gpu_clk_freq_get(i, RSMI_CLK_TYPE_SYS, &f);
          if (ret != RSMI_STATUS_SUCCESS) {
              return;
          }

      IF_VERB(STANDARD) {
          std::cout << "\tFrequency is now index " << f.current << std::endl;
      }
      ret = rsmi_dev_perf_level_get(i, &pfl);
      CHK_ERR_ASRT(ret)
      IF_VERB(STANDARD) {
          std::cout << "\t**New Perf Level:" << kDevPerfLvlNameMap.at(pfl) <<
                                                                  std::endl;
      }
      std::cout << "\tResetting performance determinism" << std::endl;
      err = rsmi_dev_perf_level_set(i, RSMI_DEV_PERF_LEVEL_AUTO);;
      CHK_ERR_ASRT(err)
      ret = rsmi_dev_perf_level_get(i, &pfl);
      CHK_ERR_ASRT(ret)
      IF_VERB(STANDARD) {
          std::cout << "\t**New Perf Level:" << kDevPerfLvlNameMap.at(pfl) <<
                                                                  std::endl;
      }
      return;
    }
  }
}