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authorsilby <silby@FreeBSD.org>2003-06-17 02:34:40 +0000
committersilby <silby@FreeBSD.org>2003-06-17 02:34:40 +0000
commit2896b67c141d60d5d93fd2cc89648de2eb03fdb5 (patch)
treec2c7cf1df7ca9273930d2b133a68dc8504970f54 /sys/kern/uipc_mbuf.c
parent9c37ee4474176fb7bc1084da2676dbaa0df82fcf (diff)
downloadFreeBSD-src-2896b67c141d60d5d93fd2cc89648de2eb03fdb5.zip
FreeBSD-src-2896b67c141d60d5d93fd2cc89648de2eb03fdb5.tar.gz
Hide the m_defrag* statistics under MBUF_STRESS_TEST, there seems
to be no need to see them in the general case (and they aren't smp-safe anyway.) Suggested by: hmp MFC after: 1 week
Diffstat (limited to 'sys/kern/uipc_mbuf.c')
-rw-r--r--sys/kern/uipc_mbuf.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index 6cfa22d..25cd03f 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -55,11 +55,11 @@ int max_linkhdr;
int max_protohdr;
int max_hdr;
int max_datalen;
+#ifdef MBUF_STRESS_TEST
int m_defragpackets;
int m_defragbytes;
int m_defraguseless;
int m_defragfailure;
-#ifdef MBUF_STRESS_TEST
int m_defragrandomfailures;
#endif
@@ -74,6 +74,7 @@ SYSCTL_INT(_kern_ipc, KIPC_MAX_PROTOHDR, max_protohdr, CTLFLAG_RW,
SYSCTL_INT(_kern_ipc, KIPC_MAX_HDR, max_hdr, CTLFLAG_RW, &max_hdr, 0, "");
SYSCTL_INT(_kern_ipc, KIPC_MAX_DATALEN, max_datalen, CTLFLAG_RW,
&max_datalen, 0, "");
+#ifdef MBUF_STRESS_TEST
SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragpackets, CTLFLAG_RD,
&m_defragpackets, 0, "");
SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragbytes, CTLFLAG_RD,
@@ -82,7 +83,6 @@ SYSCTL_INT(_kern_ipc, OID_AUTO, m_defraguseless, CTLFLAG_RD,
&m_defraguseless, 0, "");
SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragfailure, CTLFLAG_RD,
&m_defragfailure, 0, "");
-#ifdef MBUF_STRESS_TEST
SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragrandomfailures, CTLFLAG_RW,
&m_defragrandomfailures, 0, "");
#endif
@@ -854,15 +854,21 @@ m_defrag(struct mbuf *m0, int how)
m_cat(m_final, m_new);
m_new = NULL;
}
+#ifdef MBUF_STRESS_TEST
if (m0->m_next == NULL)
m_defraguseless++;
+#endif
m_freem(m0);
m0 = m_final;
+#ifdef MBUF_STRESS_TEST
m_defragpackets++;
m_defragbytes += m0->m_pkthdr.len;
+#endif
return (m0);
nospace:
+#ifdef MBUF_STRESS_TEST
m_defragfailure++;
+#endif
if (m_new)
m_free(m_new);
if (m_final)
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