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authorDave Barach <dave@barachs.net>2019-01-26 09:50:26 -0500
committerFlorin Coras <florin.coras@gmail.com>2019-01-27 03:01:59 +0000
commit53fe4a79269671fd37bf8a1fbb147bcc99b04fab (patch)
treebc9f614004a9f51081f9a652a45b6fe51992ebf0 /src/vlib/threads.c
parentf23a885b892e432c7eac0f00c9e010fc21b6b211 (diff)
perfmon: collect data on selected thread(s)
Add missing pre-input node runtime fork and refork code. unix-epoll-input runs on all threads; each instance needs its own runtime stats. Change-Id: I16b02e42d0c95f863161176c4bb9f9917bef809d Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vlib/threads.c')
-rw-r--r--src/vlib/threads.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/src/vlib/threads.c b/src/vlib/threads.c
index 45e4d89b7ab..e6ac6db543a 100644
--- a/src/vlib/threads.c
+++ b/src/vlib/threads.c
@@ -801,7 +801,7 @@ start_workers (vlib_main_t * vm)
/* fork the frame dispatch queue */
nm_clone->pending_frames = 0;
- vec_validate (nm_clone->pending_frames, 10); /* $$$$$?????? */
+ vec_validate (nm_clone->pending_frames, 10);
_vec_len (nm_clone->pending_frames) = 0;
/* fork nodes */
@@ -850,6 +850,21 @@ start_workers (vlib_main_t * vm)
n->runtime_data_bytes));
}
+ nm_clone->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT] =
+ vec_dup_aligned (nm->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT],
+ CLIB_CACHE_LINE_BYTES);
+ vec_foreach (rt,
+ nm_clone->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT])
+ {
+ vlib_node_t *n = vlib_get_node (vm, rt->node_index);
+ rt->thread_index = vm_clone->thread_index;
+ /* copy initial runtime_data from node */
+ if (n->runtime_data && n->runtime_data_bytes > 0)
+ clib_memcpy (rt->runtime_data, n->runtime_data,
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
+ }
+
nm_clone->processes = vec_dup_aligned (nm->processes,
CLIB_CACHE_LINE_BYTES);
@@ -1173,6 +1188,33 @@ vlib_worker_thread_node_refork (void)
vec_free (old_rt);
+ /* re-clone pre-input nodes */
+ old_rt = nm_clone->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT];
+ nm_clone->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT] =
+ vec_dup_aligned (nm->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT],
+ CLIB_CACHE_LINE_BYTES);
+
+ vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_PRE_INPUT])
+ {
+ vlib_node_t *n = vlib_get_node (vm, rt->node_index);
+ rt->thread_index = vm_clone->thread_index;
+ /* copy runtime_data, will be overwritten later for existing rt */
+ if (n->runtime_data && n->runtime_data_bytes > 0)
+ clib_memcpy_fast (rt->runtime_data, n->runtime_data,
+ clib_min (VLIB_NODE_RUNTIME_DATA_SIZE,
+ n->runtime_data_bytes));
+ }
+
+ for (j = 0; j < vec_len (old_rt); j++)
+ {
+ rt = vlib_node_get_runtime (vm_clone, old_rt[j].node_index);
+ rt->state = old_rt[j].state;
+ clib_memcpy_fast (rt->runtime_data, old_rt[j].runtime_data,
+ VLIB_NODE_RUNTIME_DATA_SIZE);
+ }
+
+ vec_free (old_rt);
+
nm_clone->processes = vec_dup_aligned (nm->processes,
CLIB_CACHE_LINE_BYTES);
}