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From: Remy Horton <remy.horton@intel.com>
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Cc: Harry van Haaren <harry.van.haaren@intel.com>,
Thomas Monjalon <thomas.monjalon@6wind.com>,
Reshma Pattan <reshma.pattan@intel.com>
Date: Fri, 3 Feb 2017 10:33:37 +0000
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Subject: [dpdk-dev] [PATCH v10 5/7] mbuf: add a timestamp to the mbuf for
latencystats
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From: Harry van Haaren <harry.van.haaren@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@intel.com>
Signed-off-by: Harry van Haaren <harry.van.haaren@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