On 15/07/2019 07:46, Ravindra Kumar Meena wrote:
*Plan of the week:*
Last week packet.header part from both client-side and metadata was
completed. I will continue to work on adding packet.context etc.
I got the response from lltng about stream_instance_id.
https://lists.lttng.org/pipermail/lttng-dev/2019-July/029093.html
Ok, did you double check that the stream_instance_id is equal to the
cpu_id in an example LTTNG file?
I have made changes accordingly.
https://github.com/rmeena840/rtems-tools/commit/4e9b6825687242ca60da50d3f6feed08714440a2
I have moved the generation of binary stream files directly to
./misc/record/ctf/. See above commit.
Why have you changed this? The tool should output the files in the
current directory. Please change it back to the original version.
Blocker:
The packet.context is needed at the starting of the binary file(just
after packet.header). The packet.context has timestamp_end which can be
obtained after processing last record item but print_item() is already
writing the record_item in the binary file. The same case is with
packet_size and content_size. These two values can be obtained after
processing the last record item in the file but we need at the starting
of a binary file.
We need packet.context just after packet.header in the binary file. So
as of now, I have just added cpu_id in packet.context on both
client-side and metadata.
https://github.com/rmeena840/rtems-tools/commit/95be3ec1787a48c6ff9cf6c078f83a9f6e4b9f1f
https://github.com/rmeena840/rtems-tools/commit/96a2f658e2bd36e21dd3f304ac10e2c6fe345a17
It has no warnings.
I have one approach for it. We can try the buffer approach for it. Just
write the file packet.header and packet.context in a new binary file and
append the old file content in a new file.
Please have a look at the fseek() function:
http://man7.org/linux/man-pages/man3/fseek.3.html
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