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net: FIB tracepoints

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A few useful tracepoints developing VRF driver.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2015-08-28 08:42:09 -07:00
committed by David S. Miller
parent 0d5cdef8d5
commit f6d3c19274
4 changed files with 120 additions and 0 deletions
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5
net/ipv4/fib_trie.c
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@@ -81,6 +81,7 @@
#include <net/sock.h>
#include <net/ip_fib.h>
#include <net/switchdev.h>
#include <trace/events/fib.h>
#include "fib_lookup.h"
#define MAX_STAT_DEPTH 32
@@ -1278,6 +1279,8 @@ int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
unsigned long index;
t_key cindex;
trace_fib_table_lookup(tb->tb_id, flp);
pn = t->kv;
cindex = 0;
@@ -1442,6 +1445,8 @@ found:
#ifdef CONFIG_IP_FIB_TRIE_STATS
this_cpu_inc(stats->semantic_match_passed);
#endif
trace_fib_table_lookup_nh(nh);
return err;
}
}