On Wed, 6 Nov 2019 07:27:40 +0100
Piotr Maziarz <piotrx.maziarz@xxxxxxxxxxxxxxx> wrote:
Without this, buffers can be printed with __print_array macro that has
no formatting options and can be hard to read. The other way is to
mimic formatting capability with multiple calls of trace event with one
call per row which gives performance impact and different timestamp in
each row.
Signed-off-by: Piotr Maziarz <piotrx.maziarz@xxxxxxxxxxxxxxx>
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
include/linux/trace_events.h | 5 +++++
include/linux/trace_seq.h | 4 ++++
include/trace/trace_events.h | 6 ++++++
kernel/trace/trace_output.c | 15 +++++++++++++++
kernel/trace/trace_seq.c | 30 ++++++++++++++++++++++++++++++
5 files changed, 60 insertions(+)
I'd like to see in the patch series (patch 3?) a use case of these
added functionality. Or at least a link to what would be using it.
Thanks!
-- Steve