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2025-11-16 - 04:36

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack8slot4s.osadl.org (updated Sun Nov 16, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9728582228166,21sleep50-21swapper/519:09:385
9728732223186,24sleep00-21swapper/019:09:490
9726322221168,17sleep70-21swapper/719:06:277
9726492218159,18sleep60-21swapper/619:06:426
9726862217161,18sleep20-21swapper/219:07:102
9728572216179,24sleep40-21swapper/419:09:374
9726732214182,21sleep10-21swapper/119:07:011
9727452210176,21sleep30-21swapper/319:08:003
973121993423,6cyclictest981084-21ntpq19:20:186
97311999270,23cyclictest1025470-21sendmail-msp20:40:005
97311999260,25cyclictest0-21swapper/519:40:015
97312499250,24cyclictest0-21swapper/719:25:177
973121992520,4cyclictest0-21swapper/622:20:006
97312199250,24cyclictest1060246-21apt-get21:40:016
97311999250,25cyclictest0-21swapper/521:40:005
973115992521,3cyclictest1071928-21sh22:00:004
97311199250,24cyclictest0-21swapper/322:55:163
97311199250,24cyclictest0-21swapper/322:55:163
97312499240,23cyclictest1077677-21awk22:10:007
97312499240,0cyclictest1153238-21apt-get00:20:137
973121992422,1cyclictest1078085-21apt-get22:10:136
973121992422,1cyclictest0-21swapper/620:05:016
97312199240,23cyclictest991308-21apt-get19:40:156
97312199240,23cyclictest1060302-21http21:40:006
97312199240,0cyclictest0-21swapper/622:00:156
973119992424,0cyclictest0-21swapper/500:00:125
973119992422,1cyclictest996584-21dump-pmu-power19:50:015
973119992421,3cyclictest0-21swapper/522:20:145
973119992421,2cyclictest1098362-21apt-get22:45:135
97311999240,1cyclictest1156091-21apt-get00:25:145
973104992423,1cyclictest0-21swapper/119:55:161
97310499240,23cyclictest0-21swapper/122:15:121
97312499230,22cyclictest1051430-21munin-run21:25:007
97312499230,22cyclictest0-21swapper/721:40:017
973121992322,0cyclictest0-21swapper/619:35:156
973121992321,2cyclictest0-21swapper/621:35:006
973121992321,1cyclictest1121498-21apt-get23:25:166
973121992318,1cyclictest0-21swapper/621:20:126
97312199230,22cyclictest973425-21apt-get19:10:156
97312199230,22cyclictest1161793-21apt-get00:35:136
97312199230,22cyclictest0-21swapper/621:55:146
97312199230,1cyclictest1011144-21awk20:15:006
97311999230,22cyclictest999865-21apt-get19:55:165
97311999230,1cyclictest1150363-21apt-get00:15:145
97311999230,1cyclictest1020146-21apt-get20:30:185
973115992321,1cyclictest1037299-21apt-get21:00:124
97311599230,23cyclictest1106804-21basename23:00:004
97311599230,23cyclictest1106804-21basename23:00:004
97311599230,22cyclictest0-21swapper/423:05:114
973111992321,1cyclictest1095510-21apt-get22:40:133
973111992320,2cyclictest1063801-21apt21:45:143
97311199230,22cyclictest0-21swapper/323:30:123
97311199230,22cyclictest0-21swapper/323:00:123
97311199230,22cyclictest0-21swapper/322:10:133
97311199230,22cyclictest0-21swapper/300:10:163
97311199230,0cyclictest0-21swapper/321:35:123
973106992322,1cyclictest0-21swapper/200:20:002
97310699230,23cyclictest0-21swapper/222:55:002
97310699230,23cyclictest0-21swapper/222:55:002
973104992321,1cyclictest955043-21kworker/u16:0+ext4-rsv-conversion21:00:001
973104992321,1cyclictest1150363-21apt-get00:15:141
97310499230,1cyclictest0-21swapper/122:55:011
97310499230,1cyclictest0-21swapper/122:55:011
973099992321,1cyclictest0-21swapper/020:45:000
97309999230,22cyclictest1022558-21sh20:35:000
97309999230,22cyclictest0-21swapper/023:55:130
97309999230,22cyclictest0-21swapper/022:40:130
97309999230,22cyclictest0-21swapper/021:45:130
973124992221,1cyclictest1161761-21/usr/sbin/munin00:35:147
973124992220,1cyclictest1158945-21apt-get00:30:157
973124992220,1cyclictest1016867-21munin-run20:24:597
97312499220,21cyclictest0-21swapper/723:50:137
97312499220,21cyclictest0-21swapper/723:35:147
97312499220,21cyclictest0-21swapper/721:55:007
97312499220,1cyclictest0-21swapper/720:55:177
973121992220,1cyclictest1118644-21apt-get23:20:146
97312199220,21cyclictest1022997-21apt-get20:35:166
97312199220,21cyclictest0-21swapper/620:30:176
973119992220,1cyclictest0-21swapper/521:20:005
97311999220,21cyclictest0-21swapper/523:55:135
97311999220,1cyclictest1060952-21apt-get21:40:155
97311599220,22cyclictest0-21swapper/422:15:014
97311599220,21cyclictest0-21swapper/421:45:144
97311599220,1cyclictest1138896-21apt-get23:55:134
97311599220,1cyclictest0-21swapper/400:00:134
973111992222,0cyclictest0-21swapper/322:45:133
97311199220,22cyclictest1051430-21munin-run21:25:003
97311199220,21cyclictest976998-21apt-get19:15:153
97311199220,21cyclictest1060903-21apt-get21:40:013
97311199220,21cyclictest0-21swapper/321:25:123
97311199220,21cyclictest0-21swapper/319:25:173
97311199220,1cyclictest1008706-21apt-get20:10:153
97311199220,1cyclictest0-21swapper/322:10:003
97311199220,1cyclictest0-21swapper/322:00:003
973106992222,0cyclictest0-21swapper/222:00:152
973106992222,0cyclictest0-21swapper/219:15:162
973106992221,1cyclictest0-21swapper/222:35:002
97310699220,22cyclictest42-21ksoftirqd/219:20:132
97310699220,1cyclictest401rcuc/223:20:142
97310699220,1cyclictest0-21swapper/222:55:152
97310699220,1cyclictest0-21swapper/222:55:152
973104992221,1cyclictest0-21swapper/119:30:131
973104992219,2cyclictest2970800-21systemd-journal19:15:011
97310499220,21cyclictest0-21swapper/123:40:131
97310499220,21cyclictest0-21swapper/123:15:131
97310499220,21cyclictest0-21swapper/123:00:131
97310499220,21cyclictest0-21swapper/121:10:111
97310499220,21cyclictest0-21swapper/120:50:131
97310499220,21cyclictest0-21swapper/120:45:151
97310499220,1cyclictest1057136-21munin-run21:35:001
973099992222,0cyclictest0-21swapper/000:34:590
973099992222,0cyclictest0-21swapper/000:05:180
973099992221,1cyclictest0-21swapper/021:00:130
973099992220,1cyclictest1017287-21apt-get20:25:140
973099992220,1cyclictest0-21swapper/023:14:590
97309999220,22cyclictest0-21swapper/023:35:000
97309999220,21cyclictest0-21swapper/022:30:130
97309999220,21cyclictest0-21swapper/020:00:120
97309999220,21cyclictest0-21swapper/000:25:140
97309999220,0cyclictest0-21swapper/021:35:010
973124992121,0cyclictest0-21swapper/721:00:137
973124992121,0cyclictest0-21swapper/720:35:167
973124992120,1cyclictest0-21swapper/720:10:157
973124992120,1cyclictest0-21swapper/719:15:167
97312499210,21cyclictest0-21swapper/719:55:017
97312499210,0cyclictest1130077-21apt-get23:40:137
97312499210,0cyclictest0-21swapper/720:45:157
973121992121,0cyclictest0-21swapper/620:10:006
973121992120,1cyclictest0-21swapper/621:50:136
973121992119,2cyclictest0-21swapper/621:15:146
973121992119,1cyclictest1031573-21apt-get20:50:136
973121992117,1cyclictest1084079-21apt-get22:20:146
97312199210,0cyclictest0-21swapper/621:25:126
973119992120,1cyclictest0-21swapper/521:05:015
973119992119,1cyclictest1014436-21apt-get20:20:145
973119992119,1cyclictest1008578-21cut20:10:005
973119992118,2cyclictest0-21swapper/521:00:005
97311999210,21cyclictest0-21swapper/522:15:015
97311999210,20cyclictest0-21swapper/519:30:135
97311999210,20cyclictest0-21swapper/519:15:165
97311999210,20cyclictest0-21swapper/500:20:135
97311999210,0cyclictest0-21swapper/521:50:125
973115992121,0cyclictest0-21swapper/421:25:124
973115992119,1cyclictest0-21swapper/422:50:004
97311599210,21cyclictest0-21swapper/423:50:014
97311599210,21cyclictest0-21swapper/423:50:014
97311599210,21cyclictest0-21swapper/421:05:014
97311599210,0cyclictest0-21swapper/419:40:154
973111992121,0cyclictest0-21swapper/323:05:113
973111992121,0cyclictest0-21swapper/319:50:133
973111992119,1cyclictest1158945-21apt-get00:30:153
973111992119,1cyclictest1002300-21munin-run20:00:013
973111992119,1cyclictest0-21swapper/322:15:013
97311199210,20cyclictest0-21swapper/320:05:133
97311199210,1cyclictest1164266-21sendmail-msp00:40:013
973106992121,0cyclictest0-21swapper/220:25:142
973106992120,1cyclictest0-21swapper/223:15:132
973106992120,1cyclictest0-21swapper/222:50:002
973106992120,1cyclictest0-21swapper/220:50:132
97310699210,21cyclictest42-21ksoftirqd/222:15:122
97310699210,21cyclictest0-21swapper/223:40:122
97310699210,21cyclictest0-21swapper/221:15:142
97310699210,21cyclictest0-21swapper/219:40:012
97310699210,21cyclictest0-21swapper/200:20:122
97310699210,21cyclictest0-21swapper/200:10:162
97310699210,0cyclictest0-21swapper/223:00:132
973104992121,0cyclictest0-21swapper/121:00:131
973104992121,0cyclictest0-21swapper/100:35:141
973104992121,0cyclictest0-21swapper/100:30:151
973104992120,1cyclictest0-21swapper/120:40:001
973104992120,1cyclictest0-21swapper/120:30:181
973104992120,0cyclictest0-21swapper/120:10:011
973104992119,1cyclictest0-21swapper/120:20:141
97310499210,0cyclictest0-21swapper/100:00:121
97310499210,0cyclictest0-21swapper/100:00:011
973099992121,0cyclictest0-21swapper/020:35:160
973099992120,1cyclictest1069507-21apt-get21:55:140
973099992120,1cyclictest0-21swapper/021:20:120
973099992119,1cyclictest1011139-21awk20:15:000
97309999210,20cyclictest1046120-21apt-get21:15:130
97309999210,0cyclictest0-21swapper/023:35:140
97309999210,0cyclictest0-21swapper/022:15:010
973124992020,0cyclictest0-21swapper/723:25:007
973124992020,0cyclictest0-21swapper/721:25:127
97312499200,0cyclictest0-21swapper/722:30:137
973121992020,0cyclictest0-21swapper/623:50:136
973121992020,0cyclictest0-21swapper/622:40:136
973121992020,0cyclictest0-21swapper/619:50:136
973121992019,1cyclictest1025871-21apt-get20:40:146
973121992018,0cyclictest0-21swapper/600:20:136
973119992020,0cyclictest0-21swapper/523:35:145
973119992020,0cyclictest0-21swapper/521:10:115
973119992020,0cyclictest0-21swapper/521:00:125
973119992019,1cyclictest0-21swapper/520:00:125
973119992019,0cyclictest0-21swapper/523:40:135
97311999200,0cyclictest0-21swapper/521:45:145
973115992020,0cyclictest0-21swapper/423:35:004
973115992020,0cyclictest0-21swapper/422:00:154
973115992020,0cyclictest0-21swapper/421:50:134
973115992020,0cyclictest0-21swapper/421:35:014
973115992020,0cyclictest0-21swapper/420:50:134
973115992020,0cyclictest0-21swapper/420:30:004
973115992019,1cyclictest1115765-21apt-get23:15:134
97311599200,20cyclictest1025437-21perf20:40:004
97311599200,19cyclictest1107206-21apt-get23:00:134
97311599200,19cyclictest0-21swapper/423:35:144
973111992020,0cyclictest0-21swapper/322:30:193
973111992020,0cyclictest0-21swapper/321:05:123
973111992019,1cyclictest976077-21sed19:15:013
97311199200,0cyclictest0-21swapper/300:15:153
973106992020,0cyclictest0-21swapper/223:30:122
973106992020,0cyclictest0-21swapper/221:55:142
973106992020,0cyclictest0-21swapper/221:10:112
973106992020,0cyclictest0-21swapper/221:05:132
973106992020,0cyclictest0-21swapper/220:30:172
973106992020,0cyclictest0-21swapper/219:45:012
973106992020,0cyclictest0-21swapper/219:10:152
973106992019,1cyclictest0-21swapper/221:30:142
973104992020,0cyclictest0-21swapper/123:30:121
973104992020,0cyclictest0-21swapper/119:40:151
97310499200,0cyclictest0-21swapper/121:15:141
973099992020,0cyclictest0-21swapper/023:40:130
973099992020,0cyclictest0-21swapper/023:25:160
973099992020,0cyclictest0-21swapper/022:55:010
973099992020,0cyclictest0-21swapper/022:55:010
973099992020,0cyclictest0-21swapper/021:40:010
973099992020,0cyclictest0-21swapper/021:10:110
973099992020,0cyclictest0-21swapper/019:50:130
973099992020,0cyclictest0-21swapper/000:35:140
973099992018,1cyclictest0-21swapper/000:00:130
97309999200,0cyclictest0-21swapper/021:05:130
97312499192,4cyclictest0-21swapper/722:49:037
973124991919,0cyclictest0-21swapper/722:15:017
973124991919,0cyclictest0-21swapper/720:25:147
973124991919,0cyclictest0-21swapper/720:00:127
973124991919,0cyclictest0-21swapper/719:35:157
973124991919,0cyclictest0-21swapper/719:10:157
973124991919,0cyclictest0-21swapper/700:25:147
973124991919,0cyclictest0-21swapper/700:00:017
973124991918,1cyclictest0-21swapper/722:40:137
973124991918,0cyclictest0-21swapper/722:20:147
973124991917,1cyclictest1092636-21apt-get22:35:137
973121991919,0cyclictest0-21swapper/622:05:126
973121991919,0cyclictest0-21swapper/619:15:166
973121991918,1cyclictest0-21swapper/623:35:136
973121991918,1cyclictest0-21swapper/620:45:156
973121991917,1cyclictest1135363-21munin-run23:50:006
973119991919,0cyclictest0-21swapper/522:55:165
973119991919,0cyclictest0-21swapper/522:55:165
973119991919,0cyclictest0-21swapper/500:05:135
973119991916,2cyclictest997011-21apt-get19:50:135
97311999190,3cyclictest0-21swapper/520:50:135
97311999190,18cyclictest0-21swapper/523:00:135
97311599194,1cyclictest0-21swapper/421:35:004
973115991919,0cyclictest0-21swapper/422:30:194
973115991919,0cyclictest0-21swapper/422:20:144
973115991919,0cyclictest0-21swapper/419:30:134
973115991919,0cyclictest0-21swapper/419:10:154
973115991919,0cyclictest0-21swapper/400:35:144
973115991917,1cyclictest982729-21apt-get19:25:164
973111991919,0cyclictest0-21swapper/323:50:013
973111991919,0cyclictest0-21swapper/323:15:133
973111991919,0cyclictest0-21swapper/319:45:153
973111991918,1cyclictest1072384-21apt-get22:00:143
973111991918,1cyclictest0-21swapper/323:40:003
973111991918,0cyclictest0-21swapper/323:45:143
973111991917,1cyclictest1153238-21apt-get00:20:133
97311199190,0cyclictest0-21swapper/300:00:133
973106991919,0cyclictest0-21swapper/221:00:132
973106991919,0cyclictest0-21swapper/219:55:162
973106991919,0cyclictest0-21swapper/200:25:142
973106991919,0cyclictest0-21swapper/200:00:132
973106991918,1cyclictest0-21swapper/219:50:132
973106991918,1cyclictest0-21swapper/200:35:142
973106991914,4cyclictest986987-21grep19:30:202
973104991919,0cyclictest0-21swapper/122:20:141
973104991919,0cyclictest0-21swapper/121:20:121
973104991918,1cyclictest0-21swapper/122:45:131
973104991918,1cyclictest0-21swapper/121:40:151
97310499190,19cyclictest0-21swapper/121:35:121
97310499190,18cyclictest0-21swapper/100:05:141
973099991919,0cyclictest0-21swapper/023:55:000
973099991919,0cyclictest0-21swapper/022:50:140
973099991919,0cyclictest0-21swapper/022:50:140
973099991919,0cyclictest0-21swapper/022:45:130
973099991919,0cyclictest0-21swapper/020:45:150
973099991918,1cyclictest0-21swapper/023:25:000
973099991918,1cyclictest0-21swapper/000:10:160
973099991917,1cyclictest1115765-21apt-get23:15:130
973124991818,0cyclictest0-21swapper/720:50:137
973124991818,0cyclictest0-21swapper/720:15:157
973124991818,0cyclictest0-21swapper/720:05:137
973124991816,1cyclictest1040369-21apt-get21:05:017
973121991818,0cyclictest0-21swapper/620:25:006
973121991818,0cyclictest0-21swapper/600:35:006
97312199180,17cyclictest1063802-21apt-get21:45:146
973119991818,0cyclictest0-21swapper/522:50:155
973119991818,0cyclictest0-21swapper/522:50:155
973119991818,0cyclictest0-21swapper/521:20:125
973119991818,0cyclictest0-21swapper/500:35:145
973119991817,1cyclictest973393-21/usr/sbin/munin19:10:155
973119991816,2cyclictest0-21swapper/520:40:155
973119991815,3cyclictest0-21swapper/522:15:005
973119991814,3cyclictest0-21swapper/523:30:125
97311999180,5cyclictest0-21swapper/519:25:175
97311999180,17cyclictest0-21swapper/522:07:375
973115991818,0cyclictest0-21swapper/422:25:134
973115991818,0cyclictest0-21swapper/420:45:154
973115991818,0cyclictest0-21swapper/419:15:164
973115991818,0cyclictest0-21swapper/400:20:134
973115991818,0cyclictest0-21swapper/400:05:144
973111991818,0cyclictest0-21swapper/320:45:153
973111991818,0cyclictest0-21swapper/320:30:183
973111991818,0cyclictest0-21swapper/300:05:133
973111991817,1cyclictest982305-21munin-run19:25:013
973111991817,0cyclictest1034427-21apt-get20:55:173
973106991818,0cyclictest0-21swapper/220:15:152
973106991817,1cyclictest0-21swapper/220:20:142
973106991814,1cyclictest0-21swapper/221:53:022
973104991818,0cyclictest0-21swapper/122:10:131
973104991818,0cyclictest0-21swapper/120:05:131
973104991818,0cyclictest0-21swapper/119:25:171
973104991817,1cyclictest0-21swapper/123:50:011
973104991817,1cyclictest0-21swapper/121:25:121
97310499180,0cyclictest0-21swapper/122:00:001
973099991818,0cyclictest0-21swapper/019:55:160
973099991818,0cyclictest0-21swapper/000:20:130
973124991717,0cyclictest0-21swapper/723:50:007
973124991717,0cyclictest0-21swapper/722:00:007
973124991717,0cyclictest0-21swapper/719:30:137
973124991717,0cyclictest0-21swapper/700:05:147
97312499170,16cyclictest0-21swapper/719:45:167
973121991717,0cyclictest0-21swapper/600:15:146
973121991717,0cyclictest0-21swapper/600:00:126
973121991715,1cyclictest1124347-21apt-get23:30:126
973121991715,1cyclictest1086929-21apt-get22:25:146
973119991717,0cyclictest0-21swapper/521:30:145
97311999170,16cyclictest0-21swapper/522:25:575
97311999170,16cyclictest0-21swapper/521:29:595
973115991717,0cyclictest0-21swapper/422:05:124
973115991717,0cyclictest0-21swapper/420:55:174
973115991717,0cyclictest0-21swapper/420:40:144
973115991716,1cyclictest1011559-21apt-get20:15:154
973111991717,0cyclictest0-21swapper/322:35:133
973111991717,0cyclictest0-21swapper/320:35:153
973111991715,2cyclictest1057127-21apt-get21:35:003
973106991717,0cyclictest0-21swapper/223:10:132
973106991717,0cyclictest0-21swapper/222:05:122
973106991717,0cyclictest0-21swapper/221:45:142
973106991717,0cyclictest0-21swapper/220:45:152
973106991717,0cyclictest0-21swapper/220:10:012
973106991716,1cyclictest0-21swapper/222:25:142
973106991714,3cyclictest0-21swapper/220:40:002
97310699170,17cyclictest1036842-21sh21:00:002
973104991717,0cyclictest0-21swapper/123:10:131
973104991717,0cyclictest0-21swapper/121:50:131
973104991717,0cyclictest0-21swapper/120:15:151
973104991717,0cyclictest0-21swapper/100:10:171
973104991716,1cyclictest0-21swapper/119:35:151
973104991716,1cyclictest0-21swapper/100:25:141
973104991713,3cyclictest979441-21dump-pmu-power19:20:011
97310499170,16cyclictest0-21swapper/119:20:121
973099991717,0cyclictest0-21swapper/022:35:130
973099991717,0cyclictest0-21swapper/022:00:150
973099991717,0cyclictest0-21swapper/020:10:000
973099991717,0cyclictest0-21swapper/019:35:140
973099991714,2cyclictest1057151-21awk21:35:000
973124991616,0cyclictest0-21swapper/723:10:137
973124991616,0cyclictest0-21swapper/721:35:017
973124991616,0cyclictest0-21swapper/700:00:127
97312499160,15cyclictest1001110-21ntpq19:55:217
97312499160,15cyclictest0-21swapper/723:33:417
97312499160,15cyclictest0-21swapper/721:31:337
97312499160,15cyclictest0-21swapper/721:16:577
973121991616,0cyclictest0-21swapper/623:00:136
973121991616,0cyclictest0-21swapper/620:25:146
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