1 files changed, 27 insertions, 0 deletions

diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py
index cd259846ab4b..13bb97cd3312 100644
--- a/scripts/gdb/linux/tasks.py
+++ b/scripts/gdb/linux/tasks.py
@@ -44,3 +44,30 @@ class TaskList:
                 utils.container_of(t['thread_group']['next'],
                                    self.task_ptr_type, "thread_group")
         return t
+
+
+def get_task_by_pid(pid):
+    for task in TaskList():
+        if int(task['pid']) == pid:
+            return task
+    return None
+
+
+class LxTaskByPidFunc(gdb.Function):
+    """Find Linux task by PID and return the task_struct variable.
+
+$lx_task_by_pid(PID): Given PID, iterate over all tasks of the target and
+return that task_struct variable which PID matches."""
+
+    def __init__(self):
+        super(LxTaskByPidFunc, self).__init__("lx_task_by_pid")
+
+    def invoke(self, pid):
+        task = get_task_by_pid(pid)
+        if task:
+            return task.dereference()
+        else:
+            raise gdb.GdbError("No task of PID " + str(pid))
+
+
+LxTaskByPidFunc()