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authorDave Barach <dave@barachs.net>2018-06-01 18:52:25 -0400
committerDave Barach <dave@barachs.net>2018-06-08 11:42:01 -0400
commit048a4e5a000017d0d632ebf02dcc23d9bf9ccf72 (patch)
tree5f00dd3888faae59e316059506d064ba0a17fb5a /src/vlib/error.c
parent59ae61ee7587502c0446655ecbe3daa296498f56 (diff)
export counters in a memfd segment
also export per-node error counters directory entries implement object types Change-Id: I8ce8e0a754e1be9de895c44ed9be6533b4ecef0f Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'src/vlib/error.c')
-rw-r--r--src/vlib/error.c37
1 files changed, 36 insertions, 1 deletions
diff --git a/src/vlib/error.c b/src/vlib/error.c
index dec90bbe440..368118210e6 100644
--- a/src/vlib/error.c
+++ b/src/vlib/error.c
@@ -140,6 +140,19 @@ VLIB_REGISTER_NODE (misc_drop_buffers_node,static) = {
};
/* *INDENT-ON* */
+void vlib_stats_register_error_index (u8 *, u64) __attribute__ ((weak));
+void
+vlib_stats_register_error_index (u8 * notused, u64 notused2)
+{
+};
+
+void vlib_stats_pop_heap2 (void *, u32, void *) __attribute__ ((weak));
+void
+vlib_stats_pop_heap2 (void *notused, u32 notused2, void *notused3)
+{
+};
+
+
/* Reserves given number of error codes for given node. */
void
vlib_register_errors (vlib_main_t * vm,
@@ -148,6 +161,8 @@ vlib_register_errors (vlib_main_t * vm,
vlib_error_main_t *em = &vm->error_main;
vlib_node_t *n = vlib_get_node (vm, node_index);
uword l;
+ void *oldheap;
+ void *vlib_stats_push_heap (void) __attribute__ ((weak));
ASSERT (vlib_get_thread_index () == 0);
@@ -169,9 +184,13 @@ vlib_register_errors (vlib_main_t * vm,
clib_memcpy (vec_elt_at_index (em->error_strings_heap, n->error_heap_index),
error_strings, n_errors * sizeof (error_strings[0]));
+ vec_validate (vm->error_elog_event_types, l - 1);
+
+ /* Switch to the stats segment ... */
+ oldheap = vlib_stats_push_heap ();
+
/* Allocate a counter/elog type for each error. */
vec_validate (em->counters, l - 1);
- vec_validate (vm->error_elog_event_types, l - 1);
/* Zero counters for re-registrations of errors. */
if (n->error_heap_index + n_errors <= vec_len (em->counters_last_clear))
@@ -182,6 +201,22 @@ vlib_register_errors (vlib_main_t * vm,
memset (em->counters + n->error_heap_index,
0, n_errors * sizeof (em->counters[0]));
+ /* Register counter indices in the stat segment directory */
+ {
+ int i;
+ u8 *error_name;
+
+ for (i = 0; i < n_errors; i++)
+ {
+ error_name = format (0, "/err/%s%c", error_strings[i], 0);
+ /* Note: error_name consumed by the following call */
+ vlib_stats_register_error_index (error_name, n->error_heap_index + i);
+ }
+ }
+
+ /* (re)register the em->counters base address, switch back to main heap */
+ vlib_stats_pop_heap2 (em->counters, vm->thread_index, oldheap);
+
{
elog_event_type_t t;
uword i;