diff options
author | Joe Stringer <joestringer@nicira.com> | 2014-02-06 09:49:19 -0800 |
---|---|---|
committer | Ben Pfaff <blp@nicira.com> | 2014-02-10 13:17:39 -0800 |
commit | 94b8c324a11de4e4ab7647e8ad87fd01a8163f6d (patch) | |
tree | 748d748389e01c76c5887bbbfd394704e0cc45a4 | |
parent | ac3e564e4392ef1fad53f329c14fa4972c87a952 (diff) | |
download | openvswitch-94b8c324a11de4e4ab7647e8ad87fd01a8163f6d.tar.gz |
upcall: Add appctl call to set flow_limit.
This should assist testing of datapath performance, as it allows us to
skip "warming up" the flow limit value.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
-rw-r--r-- | ofproto/ofproto-dpif-upcall.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ofproto/ofproto-dpif-upcall.c b/ofproto/ofproto-dpif-upcall.c index 489012a20..e0a5aed49 100644 --- a/ofproto/ofproto-dpif-upcall.c +++ b/ofproto/ofproto-dpif-upcall.c @@ -236,6 +236,8 @@ static void upcall_unixctl_disable_megaflows(struct unixctl_conn *, int argc, const char *argv[], void *aux); static void upcall_unixctl_enable_megaflows(struct unixctl_conn *, int argc, const char *argv[], void *aux); +static void upcall_unixctl_set_flow_limit(struct unixctl_conn *conn, int argc, + const char *argv[], void *aux); static void ukey_delete(struct revalidator *, struct udpif_key *); static atomic_bool enable_megaflows = ATOMIC_VAR_INIT(true); @@ -253,6 +255,8 @@ udpif_create(struct dpif_backer *backer, struct dpif *dpif) upcall_unixctl_disable_megaflows, NULL); unixctl_command_register("upcall/enable-megaflows", "", 0, 0, upcall_unixctl_enable_megaflows, NULL); + unixctl_command_register("upcall/set-flow-limit", "", 1, 1, + upcall_unixctl_set_flow_limit, NULL); ovsthread_once_done(&once); } @@ -1581,3 +1585,25 @@ upcall_unixctl_enable_megaflows(struct unixctl_conn *conn, udpif_flush(); unixctl_command_reply(conn, "megaflows enabled"); } + +/* Set the flow limit. + * + * This command is only needed for advanced debugging, so it's not + * documented in the man page. */ +static void +upcall_unixctl_set_flow_limit(struct unixctl_conn *conn, + int argc OVS_UNUSED, + const char *argv[] OVS_UNUSED, + void *aux OVS_UNUSED) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + struct udpif *udpif; + unsigned int flow_limit = atoi(argv[1]); + + LIST_FOR_EACH (udpif, list_node, &all_udpifs) { + atomic_store(&udpif->flow_limit, flow_limit); + } + ds_put_format(&ds, "set flow_limit to %u\n", flow_limit); + unixctl_command_reply(conn, ds_cstr(&ds)); + ds_destroy(&ds); +} |