[dpdk-dev] [PATCH v10 5/7] mbuf: add a timestamp to the mbuf for latencystats
Remy Horton
remy.horton at intel.com
Fri Feb 3 11:33:37 CET 2017
From: Harry van Haaren <harry.van.haaren at intel.com>
This commit adds a uint64_t to the mbuf struct,
allowing collection of latency and jitter statistics
by measuring packet I/O timestamps. This change is
required by the latencystats library.
Signed-off-by: Reshma Pattan <reshma.pattan at intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren at intel.com>
---
lib/librte_mbuf/rte_mbuf.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 0d01167..6a8c4f6 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -512,6 +512,9 @@ struct rte_mbuf {
/** Timesync flags for use with IEEE1588. */
uint16_t timesync;
+
+ /** Timestamp for measuring latency. */
+ uint64_t timestamp;
} __rte_cache_aligned;
/**
--
2.5.5
More information about the dev
mailing list