diff options
author | itojun <itojun@FreeBSD.org> | 2000-07-12 16:39:13 +0000 |
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committer | itojun <itojun@FreeBSD.org> | 2000-07-12 16:39:13 +0000 |
commit | a0611dac11da5a5f15fc55fbaf0375b9c7574662 (patch) | |
tree | 88cc0bd20b8436ea9d231de629d14bff2d941189 /sys/kern/uipc_mbuf2.c | |
parent | 8f207589cd310fc72f85128f5a1e01e33279ebdb (diff) | |
download | FreeBSD-src-a0611dac11da5a5f15fc55fbaf0375b9c7574662.zip FreeBSD-src-a0611dac11da5a5f15fc55fbaf0375b9c7574662.tar.gz |
remove m_pulldown statistics, which is highly experimental and does not
belong to *bsd-merged tree
Diffstat (limited to 'sys/kern/uipc_mbuf2.c')
-rw-r--r-- | sys/kern/uipc_mbuf2.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/sys/kern/uipc_mbuf2.c b/sys/kern/uipc_mbuf2.c index 07ce442..b39c002 100644 --- a/sys/kern/uipc_mbuf2.c +++ b/sys/kern/uipc_mbuf2.c @@ -66,23 +66,13 @@ * @(#)uipc_mbuf.c 8.4 (Berkeley) 2/14/95 */ -#define PULLDOWN_STAT /*#define PULLDOWN_DEBUG*/ -#ifdef PULLDOWN_STAT -#include "opt_inet.h" -#endif - #include <sys/param.h> #include <sys/systm.h> #include <sys/proc.h> #include <sys/malloc.h> #include <sys/mbuf.h> -#if defined(PULLDOWN_STAT) && defined(INET6) -#include <netinet/in.h> -#include <netinet/ip6.h> -#include <netinet6/ip6_var.h> -#endif /* * ensure that [off, off + len) is contiguous on the mbuf chain "m". @@ -103,10 +93,6 @@ m_pulldown(m, off, len, offp) struct mbuf *n, *o; int hlen, tlen, olen; int sharedcluster; -#if defined(PULLDOWN_STAT) && defined(INET6) - static struct mbuf *prev = NULL; - int prevlen = 0, prevmlen = 0; -#endif /* check invalid arguments. */ if (m == NULL) @@ -116,72 +102,6 @@ m_pulldown(m, off, len, offp) return NULL; /* impossible */ } -#if defined(PULLDOWN_STAT) && defined(INET6) - ip6stat.ip6s_pulldown++; -#endif - -#if defined(PULLDOWN_STAT) && defined(INET6) - /* statistics for m_pullup */ - ip6stat.ip6s_pullup++; - if (off + len > MHLEN) - ip6stat.ip6s_pullup_fail++; - else { - int dlen, mlen; - - dlen = (prev == m) ? prevlen : m->m_len; - mlen = (prev == m) ? prevmlen : m->m_len + M_TRAILINGSPACE(m); - - if (dlen >= off + len) - ip6stat.ip6s_pullup--; /* call will not be made! */ - else if ((m->m_flags & M_EXT) != 0) { - ip6stat.ip6s_pullup_alloc++; - ip6stat.ip6s_pullup_copy++; - } else { - if (mlen >= off + len) - ip6stat.ip6s_pullup_copy++; - else { - ip6stat.ip6s_pullup_alloc++; - ip6stat.ip6s_pullup_copy++; - } - } - - prevlen = off + len; - prevmlen = MHLEN; - } - - /* statistics for m_pullup2 */ - ip6stat.ip6s_pullup2++; - if (off + len > MCLBYTES) - ip6stat.ip6s_pullup2_fail++; - else { - int dlen, mlen; - - dlen = (prev == m) ? prevlen : m->m_len; - mlen = (prev == m) ? prevmlen : m->m_len + M_TRAILINGSPACE(m); - prevlen = off + len; - prevmlen = mlen; - - if (dlen >= off + len) - ip6stat.ip6s_pullup2--; /* call will not be made! */ - else if ((m->m_flags & M_EXT) != 0) { - ip6stat.ip6s_pullup2_alloc++; - ip6stat.ip6s_pullup2_copy++; - prevmlen = (off + len > MHLEN) ? MCLBYTES : MHLEN; - } else { - if (mlen >= off + len) - ip6stat.ip6s_pullup2_copy++; - else { - ip6stat.ip6s_pullup2_alloc++; - ip6stat.ip6s_pullup2_copy++; - prevmlen = (off + len > MHLEN) ? MCLBYTES - : MHLEN; - } - } - } - - prev = m; -#endif - #ifdef PULLDOWN_DEBUG { struct mbuf *t; @@ -213,10 +133,6 @@ m_pulldown(m, off, len, offp) if ((off == 0 || offp) && len <= n->m_len - off) goto ok; -#if defined(PULLDOWN_STAT) && defined(INET6) - ip6stat.ip6s_pulldown_copy++; -#endif - /* * when len < n->m_len - off and off != 0, it is a special case. * len bytes from <n, off> sits in single mbuf, but the caller does @@ -293,9 +209,6 @@ m_pulldown(m, off, len, offp) * now, we need to do the hard way. don't m_copy as there's no room * on both end. */ -#if defined(PULLDOWN_STAT) && defined(INET6) - ip6stat.ip6s_pulldown_alloc++; -#endif MGET(o, M_DONTWAIT, m->m_type); if (o == NULL) { m_freem(m); |