Messages in this thread Patch in this message | | | From | Kieran Bingham <> | Subject | [PATCHv4 12/12] scripts/gdb: Add lx_thread_info_by_pid helper | Date | Wed, 30 Mar 2016 13:00:51 +0100 |
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The tasks module already provides helpers to find the task struct by pid, and the thread_info by task struct; however this is cumbersome to utilise on the gdb commandline.
Wrap these two functionalities together in an extra single helper to allow exploring the thread info, from a PID value
Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org> --- scripts/gdb/linux/tasks.py | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py index 862a4ae24d49..1bf949c43b76 100644 --- a/scripts/gdb/linux/tasks.py +++ b/scripts/gdb/linux/tasks.py @@ -114,3 +114,22 @@ variable.""" LxThreadInfoFunc() + + +class LxThreadInfoByPidFunc (gdb.Function): + """Calculate Linux thread_info from task variable found by pid + +$lx_thread_info_by_pid(PID): Given PID, return the corresponding thread_info +variable.""" + + def __init__(self): + super(LxThreadInfoByPidFunc, self).__init__("lx_thread_info_by_pid") + + def invoke(self, pid): + task = get_task_by_pid(pid) + if task: + return get_thread_info(task.dereference()) + else: + raise gdb.GdbError("No task of PID " + str(pid)) + +LxThreadInfoByPidFunc() -- 2.5.0
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