[dpdk-dev] [PATCH v4 7/7] doc: update software event device

Pavan Nikhilesh pbhagavatula at caviumnetworks.com
Wed Oct 25 13:59:12 CEST 2017


From: Pavan Bhagavatula <pbhagavatula at caviumnetworks.com>

Update software event device documentation to include use of service
cores for event distribution.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
Acked-by: John McNamara <john.mcnamara at intel.com>
---
 doc/guides/eventdevs/sw.rst       | 13 ++++++-------
 doc/guides/tools/testeventdev.rst | 10 ++--------
 2 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/doc/guides/eventdevs/sw.rst b/doc/guides/eventdevs/sw.rst
index a3e6624..ec49b3b 100644
--- a/doc/guides/eventdevs/sw.rst
+++ b/doc/guides/eventdevs/sw.rst
@@ -78,9 +78,9 @@ Scheduling Quanta
 ~~~~~~~~~~~~~~~~~
 
 The scheduling quanta sets the number of events that the device attempts to
-schedule before returning to the application from the ``rte_event_schedule()``
-function. Note that is a *hint* only, and that fewer or more events may be
-scheduled in a given iteration.
+schedule in a single schedule call performed by the service core. Note that
+is a *hint* only, and that fewer or more events may be scheduled in a given
+iteration.
 
 The scheduling quanta can be set using a string argument to the vdev
 create call:
@@ -140,10 +140,9 @@ eventdev.
 Distributed Scheduler
 ~~~~~~~~~~~~~~~~~~~~~
 
-The software eventdev is a centralized scheduler, requiring the
-``rte_event_schedule()`` function to be called by a CPU core to perform the
-required event distribution. This is not really a limitation but rather a
-design decision.
+The software eventdev is a centralized scheduler, requiring a service core to
+perform the required event distribution. This is not really a limitation but
+rather a design decision.
 
 The ``RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED`` flag is not set in the
 ``event_dev_cap`` field of the ``rte_event_dev_info`` struct for the software
diff --git a/doc/guides/tools/testeventdev.rst b/doc/guides/tools/testeventdev.rst
index 34b1c31..5aa2237 100644
--- a/doc/guides/tools/testeventdev.rst
+++ b/doc/guides/tools/testeventdev.rst
@@ -106,10 +106,6 @@ The following are the application command-line options:
 
         Set the number of mbufs to be allocated from the mempool.
 
-* ``--slcore <n>``
-
-        Set the scheduler lcore id.(Valid when eventdev is not RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED capable)
-
 * ``--plcores <CORELIST>``
 
         Set the list of cores to be used as producers.
@@ -362,7 +358,6 @@ Supported application command line options are following::
         --test
         --socket_id
         --pool_sz
-        --slcore (Valid when eventdev is not RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED capable)
         --plcores
         --wlcores
         --stlist
@@ -379,8 +374,8 @@ Example command to run perf queue test:
 
 .. code-block:: console
 
-   sudo build/app/dpdk-test-eventdev --vdev=event_sw0 -- \
-        --test=perf_queue --slcore=1 --plcores=2 --wlcore=3 --stlist=p --nb_pkts=0
+   sudo build/app/dpdk-test-eventdev -c 0xf -s 0x1 --vdev=event_sw0 -- \
+        --test=perf_queue --plcores=2 --wlcore=3 --stlist=p --nb_pkts=0
 
 
 PERF_ATQ Test
@@ -441,7 +436,6 @@ Supported application command line options are following::
         --test
         --socket_id
         --pool_sz
-        --slcore (Valid when eventdev is not RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED capable)
         --plcores
         --wlcores
         --stlist
-- 
2.7.4



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