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
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parent
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commit
51710a4597
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=116455
@ -55,11 +55,11 @@ int max_linkhdr;
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int max_protohdr;
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int max_hdr;
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int max_datalen;
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#ifdef MBUF_STRESS_TEST
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int m_defragpackets;
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int m_defragbytes;
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int m_defraguseless;
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int m_defragfailure;
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#ifdef MBUF_STRESS_TEST
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int m_defragrandomfailures;
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#endif
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@ -74,6 +74,7 @@ SYSCTL_INT(_kern_ipc, KIPC_MAX_PROTOHDR, max_protohdr, CTLFLAG_RW,
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SYSCTL_INT(_kern_ipc, KIPC_MAX_HDR, max_hdr, CTLFLAG_RW, &max_hdr, 0, "");
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SYSCTL_INT(_kern_ipc, KIPC_MAX_DATALEN, max_datalen, CTLFLAG_RW,
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&max_datalen, 0, "");
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#ifdef MBUF_STRESS_TEST
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SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragpackets, CTLFLAG_RD,
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&m_defragpackets, 0, "");
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SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragbytes, CTLFLAG_RD,
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@ -82,7 +83,6 @@ SYSCTL_INT(_kern_ipc, OID_AUTO, m_defraguseless, CTLFLAG_RD,
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&m_defraguseless, 0, "");
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SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragfailure, CTLFLAG_RD,
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&m_defragfailure, 0, "");
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#ifdef MBUF_STRESS_TEST
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SYSCTL_INT(_kern_ipc, OID_AUTO, m_defragrandomfailures, CTLFLAG_RW,
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&m_defragrandomfailures, 0, "");
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#endif
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@ -854,15 +854,21 @@ m_defrag(struct mbuf *m0, int how)
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m_cat(m_final, m_new);
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m_new = NULL;
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}
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#ifdef MBUF_STRESS_TEST
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if (m0->m_next == NULL)
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m_defraguseless++;
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#endif
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m_freem(m0);
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m0 = m_final;
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#ifdef MBUF_STRESS_TEST
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m_defragpackets++;
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m_defragbytes += m0->m_pkthdr.len;
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#endif
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return (m0);
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nospace:
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#ifdef MBUF_STRESS_TEST
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m_defragfailure++;
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#endif
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if (m_new)
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m_free(m_new);
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if (m_final)
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