This commit adds support to query keepalive statistics stored in posix shared memory block. Datapath health status can be retrieved as follows:
$ ovs-appctl keepalive/pmd-health-show Keepalive status keepalive status : Enabled keepalive interval: 1000 ms CORE STATE LAST SEEN TIMESTAMP 0 ALIVE 8632183482028293 1 ALIVE 8632183482028425 2 ALIVE 8632190191004294 3 ALIVE 8632183482028525 4 GONE 8612183482028117 5 ALIVE 8632190191004984 6 ALIVE 8632190191005713 7 ALIVE 8632190191006555 Datapath status : BAD Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodire...@intel.com> --- lib/keepalive.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/lib/keepalive.c b/lib/keepalive.c index ff9ce2b..3786d47 100644 --- a/lib/keepalive.c +++ b/lib/keepalive.c @@ -24,8 +24,10 @@ #include "dpdk.h" #include "keepalive.h" #include "lib/vswitch-idl.h" +#include "openvswitch/dynamic-string.h" #include "openvswitch/vlog.h" #include "ovs-thread.h" +#include "unixctl.h" VLOG_DEFINE_THIS_MODULE(keepalive); static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20); @@ -279,6 +281,79 @@ ka_stats_run(void) return ka_stats; } +static void +ka_unixctl_pmd_health_show(struct unixctl_conn *conn, int argc OVS_UNUSED, + const char *argv[] OVS_UNUSED, void *ka_shm_) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + ds_put_format(&ds, + "\t\tKeepalive status\n"); + + ds_put_format(&ds, "keepalive status : %s\n", + is_ka_enabled() ? "Enabled" : "Disabled"); + + if (!is_ka_enabled()) { + goto out; + } + + ds_put_format(&ds, "keepalive interval: %"PRIu32" ms\n", + get_ka_interval()); + + struct keepalive_shm *ka_shm = (struct keepalive_shm *)ka_shm_; + if (!ka_shm) { + ds_put_format(&ds, "KeepAlive: Invalid shared memory block\n"); + goto out; + } + + ds_put_format(&ds, + "\nCORE\tSTATE\tLAST SEEN TIMESTAMP\n"); + + int datapath_failure = 0; + for (int idx_core = 0; idx_core < KEEPALIVE_MAXCORES; idx_core++) { + char *state = NULL; + if (ka_shm->core_state[idx_core] == KA_STATE_UNUSED || + ka_shm->core_state[idx_core] == KA_STATE_SLEEP) + continue; + + switch (ka_shm->core_state[idx_core]) { + case KA_STATE_ALIVE: + state = "ALIVE"; + break; + case KA_STATE_MISSING: + state = "MISSING"; + break; + case KA_STATE_DEAD: + state = "DEAD"; + break; + case KA_STATE_GONE: + state = "GONE"; + datapath_failure++; + break; + case KA_STATE_DOZING: + state = "DOZING"; + break; + case KA_STATE_SLEEP: + state = "SLEEP"; + break; + case KA_STATE_CHECK: + state = "HEALTH_CHECK_RUNNING"; + break; + case KA_STATE_UNUSED: + break; + } + ds_put_format(&ds, "%2d\t%s\t%"PRIu64"\n", + idx_core, state, ka_shm->core_last_seen_times[idx_core]); + } + + ds_put_format(&ds, "\n"); + ds_put_format(&ds, "Datapath Status : %s\n", + datapath_failure ? "BAD" : "HEALTHY"); + +out: + unixctl_command_reply(conn, ds_cstr(&ds)); + ds_destroy(&ds); +} + static int ka_init__(void) { @@ -320,6 +395,9 @@ ka_init(const struct smap *ovs_other_config) VLOG_INFO("OvS Keepalive disabled."); } + unixctl_command_register("keepalive/pmd-health-show", "", 0, 0, + ka_unixctl_pmd_health_show, ka_shm); + ovsthread_once_done(&once_enable); } } -- 2.4.11 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev