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/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*/
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#ifndef __DETECT_ENGINE_MPM_H__
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#define __DETECT_ENGINE_MPM_H__
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Add per packet profiling.
Per packet profiling uses tick based accounting. It has 2 outputs, a summary
and a csv file that contains per packet stats.
Stats per packet include:
1) total ticks spent
2) ticks spent per individual thread module
3) "threading overhead" which is simply calculated by subtracting (2) of (1).
A number of changes were made to integrate the new code in a clean way:
a number of generic enums are now placed in tm-threads-common.h so we can
include them from any part of the engine.
Code depends on --enable-profiling just like the rule profiling code.
New yaml parameters:
profiling:
# packet profiling
packets:
# Profiling can be disabled here, but it will still have a
# performance impact if compiled in.
enabled: yes
filename: packet_stats.log
append: yes
# per packet csv output
csv:
# Output can be disabled here, but it will still have a
# performance impact if compiled in.
enabled: no
filename: packet_stats.csv
Example output of summary stats:
IP ver Proto cnt min max avg
------ ----- ------ ------ ---------- -------
IPv4 6 19436 11448 5404365 32993
IPv4 256 4 11511 49968 30575
Per Thread module stats:
Thread Module IP ver Proto cnt min max avg
------------------------ ------ ----- ------ ------ ---------- -------
TMM_DECODEPCAPFILE IPv4 6 19434 1242 47889 1770
TMM_DETECT IPv4 6 19436 1107 137241 1504
TMM_ALERTFASTLOG IPv4 6 19436 90 1323 155
TMM_ALERTUNIFIED2ALERT IPv4 6 19436 108 1359 138
TMM_ALERTDEBUGLOG IPv4 6 19436 90 1134 154
TMM_LOGHTTPLOG IPv4 6 19436 414 5392089 7944
TMM_STREAMTCP IPv4 6 19434 828 1299159 19438
The proto 256 is a counter for handling of pseudo/tunnel packets.
Example output of csv:
pcap_cnt,ipver,ipproto,total,TMM_DECODENFQ,TMM_VERDICTNFQ,TMM_RECEIVENFQ,TMM_RECEIVEPCAP,TMM_RECEIVEPCAPFILE,TMM_DECODEPCAP,TMM_DECODEPCAPFILE,TMM_RECEIVEPFRING,TMM_DECODEPFRING,TMM_DETECT,TMM_ALERTFASTLOG,TMM_ALERTFASTLOG4,TMM_ALERTFASTLOG6,TMM_ALERTUNIFIEDLOG,TMM_ALERTUNIFIEDALERT,TMM_ALERTUNIFIED2ALERT,TMM_ALERTPRELUDE,TMM_ALERTDEBUGLOG,TMM_ALERTSYSLOG,TMM_LOGDROPLOG,TMM_ALERTSYSLOG4,TMM_ALERTSYSLOG6,TMM_RESPONDREJECT,TMM_LOGHTTPLOG,TMM_LOGHTTPLOG4,TMM_LOGHTTPLOG6,TMM_PCAPLOG,TMM_STREAMTCP,TMM_DECODEIPFW,TMM_VERDICTIPFW,TMM_RECEIVEIPFW,TMM_RECEIVEERFFILE,TMM_DECODEERFFILE,TMM_RECEIVEERFDAG,TMM_DECODEERFDAG,threading
1,4,6,172008,0,0,0,0,0,0,47889,0,0,48582,1323,0,0,0,0,1359,0,1134,0,0,0,0,0,8028,0,0,0,49356,0,0,0,0,0,0,0,14337
First line of the file contains labels.
2 example gnuplot scripts added to plot the data.
14 years ago
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#include "tm-threads.h"
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#include "detect-content.h"
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#include "detect-uricontent.h"
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#include "stream.h"
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uint16_t PatternMatchDefaultMatcher(void);
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uint32_t PatternStrength(uint8_t *, uint16_t);
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uint32_t PacketPatternSearchWithStreamCtx(DetectEngineThreadCtx *, Packet *);
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uint32_t PacketPatternSearch(DetectEngineThreadCtx *, Packet *);
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uint32_t UriPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint16_t, uint8_t);
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uint32_t StreamPatternSearch(DetectEngineThreadCtx *, Packet *, StreamMsg *, uint8_t);
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uint32_t HttpClientBodyPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpServerBodyPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpHeaderPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpRawHeaderPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpMethodPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpCookiePatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpRawUriPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpStatMsgPatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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uint32_t HttpStatCodePatternSearch(DetectEngineThreadCtx *, uint8_t *, uint32_t, uint8_t);
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void PacketPatternCleanup(ThreadVars *, DetectEngineThreadCtx *);
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void StreamPatternCleanup(ThreadVars *t, DetectEngineThreadCtx *det_ctx, StreamMsg *smsg);
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void PatternMatchPrepare(MpmCtx *, uint16_t);
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void PatternMatchThreadPrepare(MpmThreadCtx *, uint16_t type, uint32_t max_id);
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void PatternMatchDestroy(MpmCtx *, uint16_t);
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void PatternMatchThreadDestroy(MpmThreadCtx *mpm_thread_ctx, uint16_t);
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void PatternMatchThreadPrint(MpmThreadCtx *, uint16_t);
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int PatternMatchPrepareGroup(DetectEngineCtx *, SigGroupHead *);
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void DetectEngineThreadCtxInfo(ThreadVars *, DetectEngineThreadCtx *);
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void PatternMatchDestroyGroup(SigGroupHead *);
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TmEcode DetectEngineThreadCtxInit(ThreadVars *, void *, void **);
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TmEcode DetectEngineThreadCtxDeinit(ThreadVars *, void *);
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void DbgPrintSearchStats();
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MpmPatternIdStore *MpmPatternIdTableInitHash(void);
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void MpmPatternIdTableFreeHash(MpmPatternIdStore *);
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uint32_t MpmPatternIdStoreGetMaxId(MpmPatternIdStore *);
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uint32_t DetectContentGetId(MpmPatternIdStore *, DetectContentData *);
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uint32_t DetectUricontentGetId(MpmPatternIdStore *, DetectContentData *);
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uint32_t DetectPatternGetId(MpmPatternIdStore *, void *, uint8_t);
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int SignatureHasPacketContent(Signature *);
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int SignatureHasStreamContent(Signature *);
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#endif /* __DETECT_ENGINE_MPM_H__ */
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