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-rw-r--r--lib/ethosu_profiler/src/ethosu_profiler.cpp112
1 files changed, 0 insertions, 112 deletions
diff --git a/lib/ethosu_profiler/src/ethosu_profiler.cpp b/lib/ethosu_profiler/src/ethosu_profiler.cpp
deleted file mode 100644
index 50b65f0..0000000
--- a/lib/ethosu_profiler/src/ethosu_profiler.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (c) 2021 Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "tensorflow/lite/kernels/internal/compatibility.h"
-#include "tensorflow/lite/micro/micro_error_reporter.h"
-#include "tensorflow/lite/micro/micro_profiler.h"
-#include "tensorflow/lite/micro/micro_time.h"
-
-#include <string.h>
-
-#include "ethosu_profiler.hpp"
-#include <ethosu_driver.h>
-#include <inttypes.h>
-#include <stdio.h>
-
-namespace {
-
-uint64_t GetCurrentEthosuTicks(struct ethosu_driver *drv) {
- return ETHOSU_PMU_Get_CCNTR(drv);
-}
-
-} // namespace
-
-namespace tflite {
-
-EthosUProfiler::EthosUProfiler(size_t max_events) : max_events_(max_events), num_events_(0) {
- tags_ = std::make_unique<const char *[]>(max_events_);
- start_ticks_ = std::make_unique<uint64_t[]>(max_events_);
- end_ticks_ = std::make_unique<uint64_t[]>(max_events_);
-
- struct ethosu_driver *drv = ethosu_reserve_driver();
- ETHOSU_PMU_CNTR_Enable(drv, ETHOSU_PMU_CCNT_Msk);
- ETHOSU_PMU_CYCCNT_Reset(drv);
- ethosu_release_driver(drv);
-}
-
-// NOTE: THIS PROFILER ONLY WORKS ON SYSTEMS WITH 1 NPU
-uint32_t EthosUProfiler::BeginEvent(const char *tag) {
- if (num_events_ == max_events_) {
- tflite::GetMicroErrorReporter()->Report("Profiling event overflow, max: %u events", max_events_);
- num_events_ = 0;
- }
-
- tags_[num_events_] = tag;
-
- if (strcmp("ethos-u", tag) == 0) {
- struct ethosu_driver *ethosu_drv = ethosu_reserve_driver();
- ETHOSU_PMU_CYCCNT_Reset(ethosu_drv);
- ETHOSU_PMU_PMCCNTR_CFG_Set_Start_Event(ethosu_drv, ETHOSU_PMU_NPU_ACTIVE);
- ETHOSU_PMU_PMCCNTR_CFG_Set_Stop_Event(ethosu_drv, ETHOSU_PMU_NPU_IDLE);
- start_ticks_[num_events_] = GetCurrentEthosuTicks(ethosu_drv);
- ethosu_release_driver(ethosu_drv);
- } else {
- start_ticks_[num_events_] = GetCurrentTimeTicks();
- }
-
- end_ticks_[num_events_] = start_ticks_[num_events_] - 1;
- return num_events_++;
-}
-
-// NOTE: THIS PROFILER ONLY WORKS ON SYSTEMS WITH 1 NPU
-void EthosUProfiler::EndEvent(uint32_t event_handle) {
- TFLITE_DCHECK(event_handle < max_events_);
-
- if (strcmp("ethos-u", tags_[event_handle]) == 0) {
- struct ethosu_driver *ethosu_drv = ethosu_reserve_driver();
- end_ticks_[event_handle] = GetCurrentEthosuTicks(ethosu_drv);
- ethosu_release_driver(ethosu_drv);
- } else {
- end_ticks_[event_handle] = GetCurrentTimeTicks();
- }
-
- printf("%s : cycle_cnt : %" PRIu64 " cycles\n",
- tags_[event_handle],
- end_ticks_[event_handle] - start_ticks_[event_handle]);
-}
-
-uint64_t EthosUProfiler::GetTotalTicks() const {
- uint64_t ticks = 0;
-
- for (size_t i = 0; i < num_events_; ++i) {
- ticks += end_ticks_[i] - start_ticks_[i];
- }
-
- return ticks;
-}
-
-void EthosUProfiler::Log() const {
-#if !defined(TF_LITE_STRIP_ERROR_STRINGS)
- for (int i = 0; i < num_events_; ++i) {
- uint64_t ticks = end_ticks_[i] - start_ticks_[i];
- printf("%s took %" PRIu64 " cycles\n", tags_[i], ticks);
- }
-#endif
-}
-
-} // namespace tflite