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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 14:51:32 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-05-16 16:20:45 +0200 |
| commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
| tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /doc/guides/prog_guide/ring_lib.rst | |
| parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) | |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'doc/guides/prog_guide/ring_lib.rst')
| -rw-r--r-- | doc/guides/prog_guide/ring_lib.rst | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/doc/guides/prog_guide/ring_lib.rst b/doc/guides/prog_guide/ring_lib.rst index 9f697538..b31ab7a4 100644 --- a/doc/guides/prog_guide/ring_lib.rst +++ b/doc/guides/prog_guide/ring_lib.rst @@ -102,21 +102,6 @@ Name A ring is identified by a unique name. It is not possible to create two rings with the same name (rte_ring_create() returns NULL if this is attempted). -Water Marking -~~~~~~~~~~~~~ - -The ring can have a high water mark (threshold). -Once an enqueue operation reaches the high water mark, the producer is notified, if the water mark is configured. - -This mechanism can be used, for example, to exert a back pressure on I/O to inform the LAN to PAUSE. - -Debug -~~~~~ - -When debug is enabled (CONFIG_RTE_LIBRTE_RING_DEBUG is set), -the library stores some per-ring statistic counters about the number of enqueues/dequeues. -These statistics are per-core to avoid concurrent accesses or atomic operations. - Use Cases --------- |