esp_timer: Adds AFFINITY options for task and ISR

These new settings allow you to balance the load on cores.
Closes: https://github.com/espressif/esp-idf/issues/10457

components/esp_timer/test_apps/main/test_esp_timer.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -1177,4 +1177,43 @@ TEST_CASE("Test ESP_TIMER_ISR, stop API cleans alarm reg if ISR timer list is em
     vSemaphoreDelete(done);
     printf("timer deleted\n");
 }
+
+#ifndef CONFIG_FREERTOS_UNICORE
+static void task_callback3(void* arg)
+{
+    int *data = (int *)arg;
+    ++*data;
+    esp_rom_printf("callback from CPU%d\n", xPortGetCoreID());
+#if defined(CONFIG_ESP_TIMER_ISR_AFFINITY_NO_AFFINITY) || defined(CONFIG_ESP_TIMER_ISR_AFFINITY_CPU1)
+    TEST_ASSERT_EQUAL_INT(1, xPortGetCoreID());
+#endif // CONFIG_ESP_TIMER_AFFINITY_NO_AFFINITY
+}
+
+TEST_CASE("Test that CPU1 can handle esp_timer ISR even when CPU0 is blocked", "[esp_timer][isr_dispatch]")
+{
+    int data = 0;
+
+    esp_timer_handle_t timer;
+    const esp_timer_create_args_t timer_args = {
+        .callback = &task_callback3,
+        .dispatch_method = ESP_TIMER_ISR,
+        .arg = &data,
+        .name = "test",
+    };
+    TEST_ESP_OK(esp_timer_create(&timer_args, &timer));
+    TEST_ESP_OK(esp_timer_start_periodic(timer, 10000));
+
+    portDISABLE_INTERRUPTS();
+    TEST_ASSERT_EQUAL_INT(0, xPortGetCoreID());
+    esp_rom_printf("CPU%d is blocked\n", xPortGetCoreID());
+    esp_rom_delay_us(100000);
+    esp_rom_printf("CPU%d is released\n", xPortGetCoreID());
+    portENABLE_INTERRUPTS();
+
+    TEST_ESP_OK(esp_timer_stop(timer));
+    TEST_ESP_OK(esp_timer_dump(stdout));
+    TEST_ASSERT_INT_WITHIN(3, 10, data);
+    TEST_ESP_OK(esp_timer_delete(timer));
+}
+#endif // not CONFIG_FREERTOS_UNICORE
 #endif // CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD

components/esp_timer/test_apps/pytest_esp_timer_ut.py

@@ -10,6 +10,10 @@ CONFIGS = [
     pytest.param('single_core', marks=[pytest.mark.esp32]),
     pytest.param('freertos_compliance', marks=[pytest.mark.esp32]),
     pytest.param('isr_dispatch_esp32', marks=[pytest.mark.esp32]),
+    pytest.param('cpu1_esp32', marks=[pytest.mark.esp32]),
+    pytest.param('any_cpu_esp32', marks=[pytest.mark.esp32]),
+    pytest.param('cpu1_esp32s3', marks=[pytest.mark.esp32s3]),
+    pytest.param('any_cpu_esp32s3', marks=[pytest.mark.esp32s3]),
 ]
 
 

components/esp_timer/test_apps/sdkconfig.ci.any_cpu_esp32

@@ -0,0 +1,5 @@
+CONFIG_IDF_TARGET="esp32"
+CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD=y
+CONFIG_ESP_TIMER_SHOW_EXPERIMENTAL=y
+CONFIG_ESP_TIMER_TASK_AFFINITY_NO_AFFINITY=y
+CONFIG_ESP_TIMER_ISR_AFFINITY_NO_AFFINITY=y

components/esp_timer/test_apps/sdkconfig.ci.any_cpu_esp32s3

@@ -0,0 +1,5 @@
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD=y
+CONFIG_ESP_TIMER_SHOW_EXPERIMENTAL=y
+CONFIG_ESP_TIMER_TASK_AFFINITY_NO_AFFINITY=y
+CONFIG_ESP_TIMER_ISR_AFFINITY_NO_AFFINITY=y

components/esp_timer/test_apps/sdkconfig.ci.cpu1_esp32

@@ -0,0 +1,5 @@
+CONFIG_IDF_TARGET="esp32"
+CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD=y
+CONFIG_ESP_TIMER_SHOW_EXPERIMENTAL=y
+CONFIG_ESP_TIMER_TASK_AFFINITY_CPU1=y
+CONFIG_ESP_TIMER_ISR_AFFINITY_CPU1=y

components/esp_timer/test_apps/sdkconfig.ci.cpu1_esp32s3

@@ -0,0 +1,5 @@
+CONFIG_IDF_TARGET="esp32s3"
+CONFIG_ESP_TIMER_SUPPORTS_ISR_DISPATCH_METHOD=y
+CONFIG_ESP_TIMER_SHOW_EXPERIMENTAL=y
+CONFIG_ESP_TIMER_TASK_AFFINITY_CPU1=y
+CONFIG_ESP_TIMER_ISR_AFFINITY_CPU1=y