From 1bb981d89880a1d54dccd94ca6216b927740af4a Mon Sep 17 00:00:00 2001 From: Dave Barach Date: Tue, 26 Feb 2019 17:04:40 -0500 Subject: VPP-1574: minimize RPC barrier sync calls Grab the thread barrier across a set of RPCs, to greatly increase efficiency. Avoids running afoul of the barrier sync holddown timer. Change-Id: I782dfdb1bed398b290169c83266681c9edd57a3f Signed-off-by: Dave Barach --- src/vnet/ip/ip6_neighbor.c | 30 +++++++++++++++++++++++++----- 1 file changed, 25 insertions(+), 5 deletions(-) (limited to 'src/vnet/ip') diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c index ded5b868702..649f4b7a4ba 100755 --- a/src/vnet/ip/ip6_neighbor.c +++ b/src/vnet/ip/ip6_neighbor.c @@ -1021,6 +1021,10 @@ show_ip6_neighbors (vlib_main_t * vm, ip6_neighbor_t *n, *ns; clib_error_t *error = 0; u32 sw_if_index; + int verbose = 0; + + if (unformat (input, "verbose")) + verbose = 1; /* Filter entries by interface if given. */ sw_if_index = ~0; @@ -1029,13 +1033,29 @@ show_ip6_neighbors (vlib_main_t * vm, ns = ip6_neighbors_entries (sw_if_index); if (ns) { - vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, 0); - vec_foreach (n, ns) - { - vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, n); - } + /* + * Show the entire table if it's not too big, otherwise just + * show the size of the table. + */ + if (vec_len (ns) < 50) + verbose = 1; + if (verbose) + { + vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, 0); + vec_foreach (n, ns) + { + vlib_cli_output (vm, "%U", format_ip6_neighbor_ip6_entry, vm, n); + } + } + else + vlib_cli_output + (vm, "There are %u ip6 neighbors, " + "'show ip6 neighbors verbose' to display the entire table...", + vec_len (ns)); vec_free (ns); } + else + vlib_cli_output (vm, "No ip6 neighbors"); return error; } -- cgit 1.2.3-korg