From 5cdde5c25a0e71d923a6d56e5c94e058887f95d8 Mon Sep 17 00:00:00 2001 From: jaszha03 Date: Thu, 11 Jul 2019 20:47:24 +0000 Subject: vppinfra: refactor test_and_set spinlocks to use clib_spinlock_t Spinlock performance improved when implemented with compare_and_exchange instead of test_and_set. All instances of test_and_set locks were refactored to use clib_spinlock_t when possible. Some locks e.g. ssvm synchronize between processes rather than threads, so they cannot directly use clib_spinlock_t. Type: refactor Change-Id: Ia16b5d4cd49209b2b57b8df6c94615c28b11bb60 Signed-off-by: Jason Zhang Reviewed-by: Honnappa Nagarahalli Reviewed-by: Lijian Zhang --- src/vnet/interface.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'src/vnet/interface.c') diff --git a/src/vnet/interface.c b/src/vnet/interface.c index 1702cdc00d1..889ba50cc7a 100644 --- a/src/vnet/interface.c +++ b/src/vnet/interface.c @@ -1269,9 +1269,8 @@ vnet_interface_init (vlib_main_t * vm) sizeof (b->opaque), sizeof (vnet_buffer_opaque_t)); } - im->sw_if_counter_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, - CLIB_CACHE_LINE_BYTES); - im->sw_if_counter_lock[0] = 1; /* should be no need */ + clib_spinlock_init (&im->sw_if_counter_lock); + clib_spinlock_lock (&im->sw_if_counter_lock); /* should be no need */ vec_validate (im->sw_if_counters, VNET_N_SIMPLE_INTERFACE_COUNTER - 1); #define _(E,n,p) \ @@ -1286,7 +1285,7 @@ vnet_interface_init (vlib_main_t * vm) im->combined_sw_if_counters[VNET_INTERFACE_COUNTER_##E].stat_segment_name = "/" #p "/" #n; foreach_combined_interface_counter_name #undef _ - im->sw_if_counter_lock[0] = 0; + clib_spinlock_unlock (&im->sw_if_counter_lock); im->device_class_by_name = hash_create_string ( /* size */ 0, sizeof (uword)); -- cgit 1.2.3-korg