diff options
| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2010-03-27 17:29:50 +0000 |
|---|---|---|
| committer | Bjoern A. Zeeb <bz@FreeBSD.org> | 2010-03-27 17:29:50 +0000 |
| commit | 72ec67fcb739bc48e83157a3e7f4b9e7e073127d (patch) | |
| tree | 7b74b79c7ac6ffabc251751e4455306ff50a486b /sys/net | |
| parent | ef18ad7e2db15e847869363b7046400747556d21 (diff) | |
Notes
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/vnet.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/net/vnet.c b/sys/net/vnet.c index 26635db0caec..fe8df65389d6 100644 --- a/sys/net/vnet.c +++ b/sys/net/vnet.c @@ -38,11 +38,13 @@ __FBSDID("$FreeBSD$"); #include "opt_ddb.h" #include "opt_kdb.h" +#include "opt_kdtrace.h" #include <sys/param.h> #include <sys/kdb.h> #include <sys/kernel.h> #include <sys/jail.h> +#include <sys/sdt.h> #include <sys/systm.h> #include <sys/sysctl.h> #include <sys/linker_set.h> @@ -210,6 +212,13 @@ static TAILQ_HEAD(, vnet_data_free) vnet_data_free_head = TAILQ_HEAD_INITIALIZER(vnet_data_free_head); static struct sx vnet_data_free_lock; +SDT_PROVIDER_DEFINE(vnet); +SDT_PROBE_DEFINE1(vnet, functions, vnet_alloc, entry, "int"); +SDT_PROBE_DEFINE2(vnet, functions, vnet_alloc, alloc, "int", "struct vnet *"); +SDT_PROBE_DEFINE2(vnet, functions, vnet_alloc, return, "int", "struct vnet *"); +SDT_PROBE_DEFINE2(vnet, functions, vnet_destroy, entry, "int", "struct vnet *"); +SDT_PROBE_DEFINE1(vnet, functions, vnet_destroy, return, "int"); + /* * Allocate a virtual network stack. */ @@ -218,8 +227,10 @@ vnet_alloc(void) { struct vnet *vnet; + SDT_PROBE1(vnet, functions, vnet_alloc, entry, __LINE__); vnet = malloc(sizeof(struct vnet), M_VNET, M_WAITOK | M_ZERO); vnet->vnet_magic_n = VNET_MAGIC_N; + SDT_PROBE2(vnet, functions, vnet_alloc, alloc, __LINE__, vnet); /* * Allocate storage for virtualized global variables and copy in @@ -244,6 +255,7 @@ vnet_alloc(void) LIST_INSERT_HEAD(&vnet_head, vnet, vnet_le); VNET_LIST_WUNLOCK(); + SDT_PROBE2(vnet, functions, vnet_alloc, return, __LINE__, vnet); return (vnet); } @@ -255,6 +267,7 @@ vnet_destroy(struct vnet *vnet) { struct ifnet *ifp, *nifp; + SDT_PROBE2(vnet, functions, vnet_destroy, entry, __LINE__, vnet); KASSERT(vnet->vnet_sockcnt == 0, ("%s: vnet still has sockets", __func__)); @@ -281,6 +294,7 @@ vnet_destroy(struct vnet *vnet) vnet->vnet_data_base = 0; vnet->vnet_magic_n = 0xdeadbeef; free(vnet, M_VNET); + SDT_PROBE1(vnet, functions, vnet_destroy, return, __LINE__); } /* |