Re: [PATCH v2 0/6] Service cores performance and statistics improvements

[David Marchand <david.marchand@redhat.com>]

On Wed, Oct 5, 2022 at 11:20 AM Mattias Rönnblom
<mattias.ronnblom@ericsson.com> wrote:
>
> This series contains performance improvements and new statistics-
> related functionality for the EAL service cores framework.
>
> A new per-lcore TSC cycle counter is introduced, which reflect the
> total amount of cycles spent by that lcore running services. This may
> be used to estimate service lcore load.
>
> The patchset introduces a backward-compatible convention, where a DPDK
> service may signal to the framework that no useful work was performed,
> which in turn is used to make the busy cycles statistics more
> accurate.
>
> Depends-on: series-23959 ("test/service: add perf measurements for with stats mode ")
>
> Mattias Rönnblom (6):
>   service: reduce statistics overhead for parallel services
>   service: introduce per-lcore cycles counter
>   service: reduce average case service core overhead
>   service: tweak cycle statistics semantics
>   event/sw: report idle when no work is performed
>   service: provide links to functions in documentation
>
>  app/test/test_service_cores.c           |   2 +-
>  drivers/event/sw/sw_evdev.c             |   3 +-
>  drivers/event/sw/sw_evdev.h             |   2 +-
>  drivers/event/sw/sw_evdev_scheduler.c   |   6 +-
>  lib/eal/common/rte_service.c            | 228 +++++++++++++++++-------
>  lib/eal/include/rte_service.h           |  32 ++--
>  lib/eal/include/rte_service_component.h |   5 +
>  7 files changed, 192 insertions(+), 86 deletions(-)

Added acks.
Series applied, thanks.


-- 
David Marchand