Signed-off-by: Andy Zhou <[email protected]>
---
NEWS | 2 ++
lib/dpif-linux.c | 12 ++++++++++++
lib/dpif.h | 3 +++
utilities/ovs-dpctl.c | 8 ++++++++
4 files changed, 25 insertions(+)
diff --git a/NEWS b/NEWS
index 94e0da9..de473f0 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,8 @@ Post-v2.0.0
IANA-assigned numbers in a future release. Consider updating
your installations to specify port numbers instead of using the
defaults.
+ - ovs-dpctl:
+ The "show" command also displays mega flow mask stats.
v2.0.0 - xx xxx xxxx
diff --git a/lib/dpif-linux.c b/lib/dpif-linux.c
index 6f75f57..0663b0a 100644
--- a/lib/dpif-linux.c
+++ b/lib/dpif-linux.c
@@ -74,6 +74,8 @@ struct dpif_linux_dp {
const char *name; /* OVS_DP_ATTR_NAME. */
const uint32_t *upcall_pid; /* OVS_DP_UPCALL_PID. */
struct ovs_dp_stats stats; /* OVS_DP_ATTR_STATS. */
+ struct ovs_dp_megaflow_stats
+ megaflow_stats; /* OVS_DP_ATTR_MEGAFLOW_STATS. */
};
static void dpif_linux_dp_init(struct dpif_linux_dp *);
@@ -411,6 +413,8 @@ dpif_linux_get_stats(const struct dpif *dpif_, struct
dpif_dp_stats *stats)
stats->n_missed = dp.stats.n_missed;
stats->n_lost = dp.stats.n_lost;
stats->n_flows = dp.stats.n_flows;
+ stats->n_masks = dp.megaflow_stats.n_masks;
+ stats->n_mask_hit = dp.megaflow_stats.n_mask_hit;
ofpbuf_delete(buf);
}
return error;
@@ -1770,6 +1774,9 @@ dpif_linux_dp_from_ofpbuf(struct dpif_linux_dp *dp, const
struct ofpbuf *buf)
[OVS_DP_ATTR_NAME] = { .type = NL_A_STRING, .max_len = IFNAMSIZ },
[OVS_DP_ATTR_STATS] = { NL_POLICY_FOR(struct ovs_dp_stats),
.optional = true },
+ [OVS_DP_ATTR_MEGAFLOW_STATS] = {
+ NL_POLICY_FOR(struct ovs_dp_megaflow_stats),
+ .optional = true },
};
struct nlattr *a[ARRAY_SIZE(ovs_datapath_policy)];
@@ -1801,6 +1808,11 @@ dpif_linux_dp_from_ofpbuf(struct dpif_linux_dp *dp,
const struct ofpbuf *buf)
sizeof dp->stats);
}
+ if (a[OVS_DP_ATTR_MEGAFLOW_STATS]) {
+ memcpy(&dp->megaflow_stats, nl_attr_get(a[OVS_DP_ATTR_MEGAFLOW_STATS]),
+ sizeof dp->megaflow_stats);
+ }
+
return 0;
}
diff --git a/lib/dpif.h b/lib/dpif.h
index 8996c0a..ab69c1c 100644
--- a/lib/dpif.h
+++ b/lib/dpif.h
@@ -387,6 +387,9 @@ struct dpif_dp_stats {
uint64_t n_missed; /* Number of flow table misses. */
uint64_t n_lost; /* Number of misses not sent to userspace. */
uint64_t n_flows; /* Number of flows present. */
+ uint64_t n_masks; /* Number of mega flow masks. */
+ uint64_t n_mask_hit; /* Number of mega flow masks visited for
+ flow table matches. */
};
int dpif_get_dp_stats(const struct dpif *, struct dpif_dp_stats *);
diff --git a/utilities/ovs-dpctl.c b/utilities/ovs-dpctl.c
index 4fb02dd..c48f6e8 100644
--- a/utilities/ovs-dpctl.c
+++ b/utilities/ovs-dpctl.c
@@ -561,7 +561,15 @@ show_dpif(struct dpif *dpif)
printf("\tlookups: hit:%"PRIu64" missed:%"PRIu64" lost:%"PRIu64"\n"
"\tflows: %"PRIu64"\n",
stats.n_hit, stats.n_missed, stats.n_lost, stats.n_flows);
+ if (stats.n_masks && stats.n_masks != UINT64_MAX) {
+ uint64_t n_pkts = stats.n_hit + stats.n_missed;
+ double avg = (double) stats.n_mask_hit / n_pkts;
+
+ printf("\tmasks: hit:%"PRIu64" total:%"PRIu64" hit/pkt:%.2f\n",
+ stats.n_mask_hit, stats.n_masks, avg);
+ }
}
+
DPIF_PORT_FOR_EACH (&dpif_port, &dump, dpif) {
printf("\tport %u: %s", dpif_port.port_no, dpif_port.name);
--
1.7.9.5
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