[ovs-dev] [PATCH v2 2/2] netdev-dpdk: Add mempool reuse/free debug.

Kevin Traynor ktraynor at redhat.com
Tue Apr 10 18:13:00 UTC 2018


There is debug when a new mempool is created, but not
when it is reused or freed. Add these as it is very
difficult to debug mempool issues from logs without
them.

Signed-off-by: Kevin Traynor <ktraynor at redhat.com>
---
 lib/netdev-dpdk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index 00306c4..88ef156 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -605,4 +605,5 @@ dpdk_mp_sweep(void) OVS_REQUIRES(dpdk_mp_mutex)
              */
             if (OVS_LIKELY(rte_mempool_full(dmp->mp))) {
+                VLOG_DBG("Freeing mempool \"%s\"", dmp->mp->name);
                 ovs_list_remove(&dmp->list_node);
                 rte_mempool_free(dmp->mp);
@@ -622,4 +623,5 @@ dpdk_mp_get(int socket_id, int mtu)
     LIST_FOR_EACH (dmp, list_node, &dpdk_mp_list) {
         if (dmp->socket_id == socket_id && dmp->mtu == mtu) {
+            VLOG_DBG("Reusing mempool \"%s\"", dmp->mp->name);
             dmp->refcount++;
             reuse = true;
-- 
1.8.3.1



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