On 30/07/2019 14:40, Ravindra Kumar Meena wrote:
I checked in the RTEMS patch to add some basic support for thread
names.
Please update your RTEMS to the current master branch.
I check in some patches for the rtems-record program in your
rtems-tools
branch.
Please run your tests with new raw input data:
../../build/misc/rtems-record --input=../record/qoriq_e6500_64.bin
Okay. Pulled the recent changes. Getting different output.
What do you mean with "different output"?
The next tasks are:
1. Detect if we switch to/from an idle thread. In this case set the
corresponding state to TASK_IDLE == 1026.
I tried to work on this task. I am not sure how to detect it without
calling pthread_*.
Does this have to do something with rtems_task_is_suspended?
https://docs.rtems.org/branches/master/c-user/task_manager.html#rtems-task-is-suspended
On the host you cannot call any RTEMS functions on the target. All
information you have is in the record items. For a start, you can
identify the idle threads via the identifier API:
https://docs.rtems.org/branches/master/c-user/key_concepts.html#object-ids
The API value for idle threads is 1.
2. The program should learn the thread names corresponding to a thread
identifier. Build up a thread identifier to thread name map. Use the
map
to emit thread names in the sched_switch event.
Mapping should be like this:
[thread_id]->[thread_name] or [thread_name]->[thread_id]?
In the RTEMS_RECORD_THREAD_SWITCH_OUT and RTEMS_RECORD_THREAD_SWITCH_IN
record events you have the thread id. So, the mapping must be
[thread_id]->[thread_name].
the thread name can be obtained by:
rtems_record_event_text( item->event )
You can use C++ if this makes it easier for you.
I will have to create separate c++ file for this.
Please convert the entire record-main.c file to C++.
--
Sebastian Huber, embedded brains GmbH
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