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authorAndy Zhou <azhou@nicira.com>2013-10-22 19:42:46 +0200
committerJesse Gross <jesse@nicira.com>2013-10-22 19:42:46 +0200
commit1bd7116f1cb833c998cddb6b188df463342069d8 (patch)
tree4afeff18229a412b2ee5b72e3b0d10fc997ce1b6 /net/openvswitch/datapath.h
parentopenvswitch: Simplify mega-flow APIs. (diff)
downloadlinux-1bd7116f1cb833c998cddb6b188df463342069d8.tar.xz
linux-1bd7116f1cb833c998cddb6b188df463342069d8.zip
openvswitch: collect mega flow mask stats
Collect mega flow mask stats. ovs-dpctl show command can be used to display them for debugging and performance tuning. Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
Diffstat (limited to 'net/openvswitch/datapath.h')
-rw-r--r--net/openvswitch/datapath.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index acfd4af8ca3a..d3d14a58aa91 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -46,11 +46,15 @@
* @n_lost: Number of received packets that had no matching flow in the flow
* table that could not be sent to userspace (normally due to an overflow in
* one of the datapath's queues).
+ * @n_mask_hit: Number of masks looked up for flow match.
+ * @n_mask_hit / (@n_hit + @n_missed) will be the average masks looked
+ * up per packet.
*/
struct dp_stats_percpu {
u64 n_hit;
u64 n_missed;
u64 n_lost;
+ u64 n_mask_hit;
struct u64_stats_sync sync;
};