test_utils: implement performance timer

tools/unit-test-app/components/test_utils/ccomp_timer.c

@@ -0,0 +1,106 @@
+// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
+//
+// 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
+//
+//     http://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 "ccomp_timer.h"
+
+#include "ccomp_timer_impl.h"
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+
+#include "esp_log.h"
+#include "esp_ipc.h"
+#include "esp_intr_alloc.h"
+
+#if CONFIG_IDF_TARGET_ESP32
+#include "esp32/clk.h"
+#elif CONFIG_IDF_TARGET_ESP32S2BETA
+#include "esp32s2beta/clk.h"
+#endif
+
+
+static const char TAG[] = "ccomp_timer";
+
+esp_err_t ccomp_timer_start(void)
+{
+    esp_err_t err = ESP_OK;
+
+    ccomp_timer_impl_lock();
+    if (ccomp_timer_impl_is_init()) {
+        if (ccomp_timer_impl_is_active()) {
+            err = ESP_ERR_INVALID_STATE;
+        }
+    }
+    else {
+        err = ccomp_timer_impl_init();
+    }
+    ccomp_timer_impl_unlock();
+
+    if (err != ESP_OK) {
+        goto fail;
+    }
+
+    err = ccomp_timer_impl_reset();
+
+    if (err != ESP_OK) {
+        goto fail;
+    }
+
+    err = ccomp_timer_impl_start();
+
+    if (err == ESP_OK) {
+        return ESP_OK;
+    }
+
+fail:
+    ESP_LOGE(TAG, "Unable to start performance timer");
+    return err;
+}
+
+int64_t IRAM_ATTR ccomp_timer_stop(void)
+{
+    esp_err_t err = ESP_OK;
+    ccomp_timer_impl_lock();
+    if (!ccomp_timer_impl_is_active()) {
+        err = ESP_ERR_INVALID_STATE;
+    }
+    ccomp_timer_impl_unlock();
+
+    if (err != ESP_OK) {
+        goto fail;
+    }
+
+    err = ccomp_timer_impl_stop();
+    if (err != ESP_OK) {
+        goto fail;
+    }
+
+    int64_t t = ccomp_timer_get_time();
+
+    err = ccomp_timer_impl_deinit();
+
+    if (err == ESP_OK && t != -1) {
+        return t;
+    }
+
+fail:
+    ESP_LOGE(TAG, "Unable to stop performance timer");
+    return -1;
+}
+
+int64_t IRAM_ATTR ccomp_timer_get_time(void)
+{
+    return ccomp_timer_impl_get_time();
+}