Import of the watch repository from Pebble

src/fw/kernel/util/task_telemetry.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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 "console/prompt.h"
+#include "kernel/pbl_malloc.h"
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include <stdlib.h>
+
+#if 0
+void command_print_task_list(void) {
+#if ( configUSE_TRACE_FACILITY == 1 )
+  char str_buffer[100];
+
+  prompt_send_response(
+      "name                  state    pri   fstk        num   stk_beg     stk_ptr");
+
+  int num_tasks = uxTaskGetNumberOfTasks();
+  TaskStatus_t *task_info = kernel_malloc(num_tasks * sizeof( TaskStatus_t ));
+  if (!task_info) {
+    return;
+  }
+  num_tasks = uxTaskGetSystemState( task_info, num_tasks, NULL );
+
+  // Print info on each task
+  char status;
+  for (int i=0; i<num_tasks; i++) {
+    switch(task_info[i].eCurrentState) {
+      case eReady:
+        status = 'R';
+        break;
+      case eBlocked:
+        status = 'B';
+        break;
+      case eSuspended:
+        status = 'S';
+        break;
+      case eDeleted:
+        status = 'D';
+        break;
+      default:
+        status = '?';
+        break;
+    }
+
+    prompt_send_response_fmt(str_buffer, sizeof(str_buffer), "%-16s %6c %8u %8u %8u     %p  %p",
+                             task_info[i].pcTaskName,
+                             status,
+                             (unsigned int) task_info[i].uxCurrentPriority,
+                             (unsigned int)(sizeof(StackType_t) * task_info[i].usStackHighWaterMark),
+                             (unsigned int)task_info[i].xTaskNumber,
+                             (void *)task_info[i].pxStack,
+                             (void *)task_info[i].pxTopOfStack);
+  }
+  kernel_free(task_info);
+
+#else
+  prompt_send_response("Not available");
+#endif
+}
+#endif