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lib: add tracepoint for route table get

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Signed-off-by: Quentin Young <qlyoung@nvidia.com>
This commit is contained in:
Quentin Young 2020-09-18 15:14:09 -04:00
parent d92658f4f7
commit a72255a336
2 changed files with 20 additions and 0 deletions
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7
lib/table.c
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@ -27,6 +27,7 @@
#include "table.h"
#include "memory.h"
#include "sockunion.h"
#include "trace.h"
DEFINE_MTYPE_STATIC(LIB, ROUTE_TABLE, "Route table")
DEFINE_MTYPE(LIB, ROUTE_NODE, "Route node")
@ -276,6 +277,12 @@ struct route_node *route_node_lookup_maynull(struct route_table *table,
struct route_node *route_node_get(struct route_table *table,
union prefixconstptr pu)
{
if (tracepoint_enabled(frr_libfrr, route_node_get)) {
char buf[PREFIX2STR_BUFFER];
prefix2str(pu, buf, sizeof(buf));
tracepoint(frr_libfrr, route_node_get, table, buf);
}
struct route_node search;
struct prefix *p = &search.p;

13
lib/trace.h
View file

@ -39,6 +39,7 @@
#include "thread.h"
#include "memory.h"
#include "linklist.h"
#include "table.h"
/* clang-format off */
@ -219,6 +220,18 @@ TRACEPOINT_EVENT(
)
)
TRACEPOINT_EVENT(
frr_libfrr,
route_node_get,
TP_ARGS(
struct route_table *, table, char *, prefix
),
TP_FIELDS(
ctf_integer_hex(intptr_t, table, table)
ctf_string(prefix, prefix)
)
)
/* clang-format on */
#include <lttng/tracepoint-event.h>