diff options
| -rw-r--r-- | vnet/vnet/devices/dpdk/dpdk.h | 13 | ||||
| -rw-r--r-- | vnet/vnet/devices/dpdk/init.c | 35 |
2 files changed, 43 insertions, 5 deletions
diff --git a/vnet/vnet/devices/dpdk/dpdk.h b/vnet/vnet/devices/dpdk/dpdk.h index e0ab0c58..77b19baf 100644 --- a/vnet/vnet/devices/dpdk/dpdk.h +++ b/vnet/vnet/devices/dpdk/dpdk.h @@ -269,8 +269,11 @@ typedef struct { #define DPDK_TX_RING_SIZE (4 * 1024) -#define DPDK_STATS_POLL_INTERVAL 10.0 -#define DPDK_LINK_POLL_INTERVAL 3.0 +#define DPDK_STATS_POLL_INTERVAL (10.0) +#define DPDK_MIN_STATS_POLL_INTERVAL (0.001) /* 1msec */ + +#define DPDK_LINK_POLL_INTERVAL (3.0) +#define DPDK_MIN_LINK_POLL_INTERVAL (0.001) /* 1msec */ typedef struct { CLIB_CACHE_LINE_ALIGN_MARK(cacheline0); @@ -389,6 +392,10 @@ typedef struct { int input_cpu_first_index; int input_cpu_count; + /* control interval of dpdk link state and stat polling */ + f64 link_state_poll_interval; + f64 stat_poll_interval; + /* convenience */ vlib_main_t * vlib_main; vnet_main_t * vnet_main; @@ -486,6 +493,8 @@ void increment_efd_drop_counter (vlib_main_t * vm, u32 counter_index, u32 count) vm->error_main.counters[my_n->error_heap_index+counter_index] += count; } +int dpdk_set_stat_poll_interval (f64 interval); +int dpdk_set_link_state_poll_interval (f64 interval); void dpdk_update_link_state (dpdk_device_t * xd, f64 now); void dpdk_device_lock_init(dpdk_device_t * xd); void dpdk_device_lock_free(dpdk_device_t * xd); diff --git a/vnet/vnet/devices/dpdk/init.c b/vnet/vnet/devices/dpdk/init.c index 668120cf..bcfaf257 100644 --- a/vnet/vnet/devices/dpdk/init.c +++ b/vnet/vnet/devices/dpdk/init.c @@ -1643,7 +1643,13 @@ dpdk_process (vlib_main_t * vm, while (1) { - vlib_process_wait_for_event_or_clock (vm, 5.0); + /* + * check each time through the loop in case intervals are changed + */ + f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ? + dm->link_state_poll_interval : dm->stat_poll_interval; + + vlib_process_wait_for_event_or_clock (vm, min_wait); if (dpdk_get_admin_up_down_in_progress()) /* skip the poll if an admin up down is in progress (on any interface) */ @@ -1652,9 +1658,9 @@ dpdk_process (vlib_main_t * vm, vec_foreach (xd, dm->devices) { f64 now = vlib_time_now (vm); - if ((now - xd->time_last_stats_update) >= DPDK_STATS_POLL_INTERVAL) + if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval) dpdk_update_counters (xd, now); - if ((now - xd->time_last_link_update) >= DPDK_LINK_POLL_INTERVAL) + if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval) dpdk_update_link_state (xd, now); if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER) @@ -1675,6 +1681,26 @@ VLIB_REGISTER_NODE (dpdk_process_node,static) = { .process_log2_n_stack_bytes = 17, }; +int dpdk_set_stat_poll_interval (f64 interval) +{ + if (interval < DPDK_MIN_STATS_POLL_INTERVAL) + return (VNET_API_ERROR_INVALID_VALUE); + + dpdk_main.stat_poll_interval = interval; + + return 0; +} + +int dpdk_set_link_state_poll_interval (f64 interval) +{ + if (interval < DPDK_MIN_LINK_POLL_INTERVAL) + return (VNET_API_ERROR_INVALID_VALUE); + + dpdk_main.link_state_poll_interval = interval; + + return 0; +} + clib_error_t * dpdk_init (vlib_main_t * vm) { @@ -1803,6 +1829,9 @@ _(rte_nicvf_pmd_init) | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT); + dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL; + dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL; + /* init CLI */ if ((error = vlib_call_init_function (vm, dpdk_cli_init))) return error; |