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2026-08-12 - 23:36
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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 rackfslot7.osadl.org (updated Wed Aug 12, 2026 12:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
981030995419,35cyclictest0-21swapper/308:33:213
981030995419,34cyclictest0-21swapper/310:29:453
981030995419,34cyclictest0-21swapper/309:07:453
981030995414,39cyclictest0-21swapper/311:33:533
981030995414,39cyclictest0-21swapper/309:04:133
981030995335,18cyclictest981026-21cyclictest07:32:533
981030995334,19cyclictest511ktimers/309:40:593
981030995314,19cyclictest0-21swapper/312:04:593
981030995314,19cyclictest0-21swapper/311:17:453
981030995313,39cyclictest1030809-21/usr/sbin/munin08:40:153
981030995313,39cyclictest0-21swapper/311:53:323
981030995313,39cyclictest0-21swapper/309:19:053
981028995314,19cyclictest0-21swapper/111:15:151
981030995233,19cyclictest0-21swapper/311:00:093
981030995233,19cyclictest0-21swapper/310:30:453
981030995233,19cyclictest0-21swapper/309:58:043
981030995233,19cyclictest0-21swapper/309:20:443
981030995233,19cyclictest0-21swapper/308:45:243
981030995233,19cyclictest0-21swapper/308:01:413
981030995233,19cyclictest0-21swapper/307:25:173
981030995232,19cyclictest0-21swapper/307:38:373
981030995213,39cyclictest0-21swapper/309:46:473
981030995213,19cyclictest0-21swapper/308:30:013
981029995214,19cyclictest0-21swapper/210:45:162
981030995133,18cyclictest0-21swapper/312:32:013
981030995133,18cyclictest0-21swapper/307:52:053
981030995132,19cyclictest0-21swapper/312:21:533
981030995132,19cyclictest0-21swapper/310:08:053
981030995132,19cyclictest0-21swapper/308:23:093
981030995132,19cyclictest0-21swapper/308:09:173
981030995132,19cyclictest0-21swapper/307:16:413
981030995131,20cyclictest0-21swapper/309:39:233
981030995131,19cyclictest0-21swapper/309:50:333
981030995131,19cyclictest0-21swapper/309:27:253
981030995131,19cyclictest0-21swapper/308:37:533
981030995112,19cyclictest0-21swapper/310:04:213
981030995111,19cyclictest1094770-21ntpq10:35:193
981030995110,19cyclictest0-21swapper/308:50:133
981028995133,0cyclictest0-21swapper/110:35:161
981033995032,18cyclictest0-21swapper/610:05:176
981030995032,18cyclictest0-21swapper/307:55:493
981030995032,18cyclictest0-21swapper/307:55:493
981030995031,19cyclictest0-21swapper/312:07:053
981030995031,19cyclictest0-21swapper/311:20:413
981030995031,19cyclictest0-21swapper/310:46:453
981030995031,19cyclictest0-21swapper/307:48:093
981030995031,19cyclictest0-21swapper/307:21:013
981030995031,19cyclictest0-21swapper/307:12:413
981030995030,19cyclictest1047165-21/usr/sbin/munin09:10:113
98103099499,39cyclictest1146208-21df_inode12:10:153
981030994931,18cyclictest0-21swapper/311:40:523
981030994931,18cyclictest0-21swapper/309:31:203
981030994931,18cyclictest0-21swapper/308:19:133
981030994931,18cyclictest0-21swapper/308:19:123
981030994930,19cyclictest0-21swapper/312:28:173
981030994930,19cyclictest0-21swapper/312:28:163
981030994930,19cyclictest0-21swapper/311:06:013
981030994930,19cyclictest0-21swapper/310:41:123
981030994930,19cyclictest0-21swapper/310:22:363
981030994930,19cyclictest0-21swapper/308:58:493
981030994929,19cyclictest0-21swapper/311:35:433
981030994929,19cyclictest0-21swapper/310:14:573
981028994910,19cyclictest0-21swapper/108:35:161
981030994830,18cyclictest0-21swapper/311:48:013
981030994829,19cyclictest0-21swapper/310:58:293
981030994828,19cyclictest0-21swapper/312:38:053
98103299478,39cyclictest0-21swapper/507:30:175
98103099477,39cyclictest0-21swapper/312:17:073
981030994729,18cyclictest0-21swapper/311:14:293
981030994729,18cyclictest0-21swapper/308:12:013
981030994729,18cyclictest0-21swapper/308:12:003
981030994628,18cyclictest0-21swapper/311:28:373
98102899467,39cyclictest0-21swapper/107:30:161
98103499456,19cyclictest0-21swapper/709:30:177
98103399457,38cyclictest0-21swapper/608:30:166
981030994527,18cyclictest0-21swapper/310:53:403
981030994526,19cyclictest0-21swapper/307:40:253
98102999457,19cyclictest0-21swapper/210:05:172
98103499445,39cyclictest0-21swapper/710:20:187
98103399445,39cyclictest0-21swapper/611:40:156
98103099433,39cyclictest0-21swapper/310:15:073
98102899424,19cyclictest0-21swapper/112:10:161
98102899423,19cyclictest0-21swapper/111:25:151
981030994129,2cyclictest0-21swapper/311:59:013
981033994022,18cyclictest0-21swapper/611:10:156
98102999401,20cyclictest0-21swapper/211:10:152
98102899401,19cyclictest0-21swapper/108:30:161
98103399391,19cyclictest0-21swapper/611:45:166
981034993838,0cyclictest1005624-21kworker/7:0+events09:14:197
981034993838,0cyclictest1005624-21kworker/7:0+events09:02:357
981029993820,0cyclictest0-21swapper/212:35:152
981029993819,19cyclictest0-21swapper/209:45:162
981034993737,0cyclictest980648-21kworker/7:2+events07:30:437
981034993737,0cyclictest980648-21kworker/7:2+events07:21:197
981034993737,0cyclictest1077029-21kworker/7:1+events11:29:597
981034993737,0cyclictest1077029-21kworker/7:1+events11:13:597
981034993737,0cyclictest1077029-21kworker/7:1+events11:04:197
981034993737,0cyclictest1049649-21kworker/7:2+events09:46:197
981034993636,0cyclictest980648-21kworker/7:2+events07:42:037
981034993636,0cyclictest1077029-21kworker/7:1+events12:02:267
981034993636,0cyclictest1049649-21kworker/7:2+events09:59:197
981034993636,0cyclictest1049649-21kworker/7:2+events09:44:267
981034993613,23cyclictest0-21swapper/707:10:177
981033993617,1cyclictest781ktimers/607:10:166
98103399360,17cyclictest0-21swapper/612:25:156
98103399360,17cyclictest0-21swapper/612:25:156
981034993535,0cyclictest1077029-21kworker/7:1+events11:57:257
98103499350,15cyclictest0-21swapper/711:40:167
981033993535,0cyclictest0-21swapper/609:40:156
98103399350,15cyclictest0-21swapper/610:10:146
981032993513,22cyclictest0-21swapper/511:50:175
98102999350,35cyclictest0-21swapper/207:35:152
98102999350,16cyclictest0-21swapper/208:50:162
98102999350,15cyclictest0-21swapper/211:00:232
98102999350,15cyclictest0-21swapper/207:30:162
98102899350,35cyclictest0-21swapper/107:20:181
98102899350,16cyclictest0-21swapper/108:20:181
98103399340,34cyclictest0-21swapper/609:10:166
98103399340,15cyclictest0-21swapper/611:30:166
98103399340,15cyclictest0-21swapper/607:45:176
98103299340,34cyclictest0-21swapper/512:30:175
98103299340,34cyclictest0-21swapper/508:20:185
98102999340,34cyclictest0-21swapper/211:15:162
98102999340,15cyclictest0-21swapper/210:55:152
98102999340,15cyclictest0-21swapper/208:40:182
98102999340,15cyclictest0-21swapper/208:15:172
98102999340,15cyclictest0-21swapper/208:15:162
981028993415,19cyclictest0-21swapper/108:05:161
981028993414,19cyclictest0-21swapper/107:25:171
98102899340,15cyclictest0-21swapper/108:55:161
98102899340,15cyclictest0-21swapper/107:45:171
981034993333,0cyclictest1077029-21kworker/7:1+events10:16:237
981033993314,19cyclictest0-21swapper/612:10:176
981033993314,19cyclictest0-21swapper/612:00:206
981033993314,19cyclictest0-21swapper/609:50:166
981033993314,19cyclictest0-21swapper/607:40:156
981032993314,19cyclictest0-21swapper/512:35:155
981032993314,19cyclictest0-21swapper/512:20:175
981032993314,19cyclictest0-21swapper/510:30:155
981032993314,19cyclictest0-21swapper/509:10:165
981032993314,19cyclictest0-21swapper/508:35:165
981029993314,19cyclictest0-21swapper/210:25:172
981029993314,19cyclictest0-21swapper/209:50:162
981029993314,19cyclictest0-21swapper/209:35:152
981028993314,19cyclictest0-21swapper/110:30:151
981028993314,19cyclictest0-21swapper/110:00:171
981028993314,19cyclictest0-21swapper/109:50:161
981028993314,19cyclictest0-21swapper/109:20:171
981028993314,19cyclictest0-21swapper/108:41:181
981028993314,19cyclictest0-21swapper/107:15:161
981034993213,19cyclictest0-21swapper/712:20:177
981034993213,19cyclictest0-21swapper/710:50:237
981034993213,19cyclictest0-21swapper/709:25:167
981034993213,19cyclictest0-21swapper/708:45:167
981034993213,19cyclictest0-21swapper/708:40:187
981034993213,0cyclictest0-21swapper/710:55:167
981033993213,19cyclictest0-21swapper/608:15:176
981033993213,19cyclictest0-21swapper/608:15:176
981033993213,19cyclictest0-21swapper/607:20:176
981033993212,20cyclictest0-21swapper/611:55:156
981032993213,19cyclictest0-21swapper/511:20:165
981032993213,19cyclictest0-21swapper/507:55:145
981032993213,19cyclictest0-21swapper/507:55:135
981029993213,19cyclictest0-21swapper/212:25:152
981029993213,19cyclictest0-21swapper/212:25:142
981029993213,19cyclictest0-21swapper/211:45:172
981029993213,19cyclictest0-21swapper/208:10:162
981029993213,19cyclictest0-21swapper/208:10:162
981029993213,19cyclictest0-21swapper/207:40:152
981028993213,19cyclictest0-21swapper/109:10:161
981028993213,19cyclictest0-21swapper/108:10:161
981028993213,19cyclictest0-21swapper/108:10:161
981028993213,19cyclictest0-21swapper/108:00:181
981028993213,0cyclictest0-21swapper/112:15:161
981034993112,19cyclictest0-21swapper/711:05:167
981034993112,19cyclictest0-21swapper/707:45:177
981033993112,19cyclictest0-21swapper/610:15:176
981033993112,19cyclictest0-21swapper/608:45:146
981033993112,19cyclictest0-21swapper/608:40:186
981032993113,18cyclictest0-21swapper/510:50:175
981032993112,19cyclictest0-21swapper/508:30:165
981029993113,0cyclictest0-21swapper/208:35:162
981029993112,19cyclictest0-21swapper/211:05:162
981029993111,19cyclictest0-21swapper/208:25:162
981028993113,18cyclictest0-21swapper/112:25:151
981028993113,18cyclictest0-21swapper/112:25:151
981028993112,19cyclictest0-21swapper/111:55:151
981028993112,19cyclictest0-21swapper/111:35:161
981029993011,19cyclictest0-21swapper/208:00:182
981028993012,18cyclictest0-21swapper/107:10:161
981028993011,19cyclictest0-21swapper/111:30:151
981028993011,19cyclictest0-21swapper/110:40:161
981028993011,19cyclictest0-21swapper/109:55:151
981028993011,0cyclictest0-21swapper/107:40:151
981034992929,0cyclictest1005624-21kworker/7:0+events08:07:437
981033992910,19cyclictest0-21swapper/611:05:156
981033992910,19cyclictest0-21swapper/607:50:166
981032992911,0cyclictest0-21swapper/509:15:165
981032992910,19cyclictest0-21swapper/508:05:175
981029992910,19cyclictest0-21swapper/212:20:232
981028992910,19cyclictest0-21swapper/112:30:171
98103399289,19cyclictest0-21swapper/607:30:176
98103299289,19cyclictest0-21swapper/511:55:145
98103299289,19cyclictest0-21swapper/510:20:185
98103299289,19cyclictest0-21swapper/507:40:155
98102999289,19cyclictest0-21swapper/211:30:162
98102999289,19cyclictest0-21swapper/209:10:162
98102999289,19cyclictest0-21swapper/207:50:162
98102899289,19cyclictest0-21swapper/111:00:221
98103499278,19cyclictest0-21swapper/707:25:167
98103399278,19cyclictest0-21swapper/610:45:166
98102999278,19cyclictest0-21swapper/207:15:162
98102899278,19cyclictest0-21swapper/109:45:171
98102899276,20cyclictest0-21swapper/112:20:161
98103499267,19cyclictest0-21swapper/710:25:177
981034992626,0cyclictest1077029-21kworker/7:1+events10:48:197
98103499255,19cyclictest0-21swapper/708:20:177
981034992525,0cyclictest1077029-21kworker/7:1+events12:10:217
98102999256,19cyclictest0-21swapper/210:41:452
98102799256,19cyclictest0-21swapper/008:45:160
98102799255,19cyclictest0-21swapper/011:40:160
98102799255,19cyclictest0-21swapper/011:20:160
98102799255,19cyclictest0-21swapper/010:30:140
98102799254,20cyclictest0-21swapper/012:35:150
981034992423,1cyclictest1077029-21kworker/7:1+events11:15:147
98103299245,19cyclictest0-21swapper/509:05:155
981032992419,5cyclictest1009468-21ethtool08:00:185
98102999245,19cyclictest0-21swapper/209:30:172
98102799245,19cyclictest0-21swapper/009:20:170
98102799245,19cyclictest0-21swapper/009:15:160
98102799245,19cyclictest0-21swapper/009:00:150
98102799245,19cyclictest0-21swapper/008:15:170
98102799245,19cyclictest0-21swapper/008:15:160
98102799245,19cyclictest0-21swapper/008:10:160
98102799245,19cyclictest0-21swapper/008:10:160
98102799245,19cyclictest0-21swapper/008:05:170
98102799244,19cyclictest0-21swapper/012:05:220
98102799244,19cyclictest0-21swapper/007:15:150
981034992319,0cyclictest236199-21snmpd11:34:577
98102799234,19cyclictest0-21swapper/012:25:150
98102799234,19cyclictest0-21swapper/012:25:150
98102799234,19cyclictest0-21swapper/011:45:160
98102799234,19cyclictest0-21swapper/011:15:150
98102799234,19cyclictest0-21swapper/010:10:150
98102799234,19cyclictest0-21swapper/007:50:150
98102799233,19cyclictest0-21swapper/011:10:160
98102799233,19cyclictest0-21swapper/009:25:160
98102799233,19cyclictest0-21swapper/008:55:150
981034992220,0cyclictest1005624-21kworker/7:0+events08:25:137
981034992218,4cyclictest1077029-21kworker/7:1+events10:35:157
981034992218,4cyclictest1049649-21kworker/7:2+events10:05:017
98103399223,19cyclictest0-21swapper/609:45:156
98102999223,0cyclictest0-21swapper/211:40:162
98102899223,19cyclictest0-21swapper/111:20:161
98102899220,3cyclictest1111114-21cat11:05:171
98102799223,19cyclictest0-21swapper/012:30:170
98102799223,19cyclictest0-21swapper/010:50:160
98102799223,19cyclictest0-21swapper/009:30:160
98102799223,19cyclictest0-21swapper/008:35:160
98102799223,19cyclictest0-21swapper/008:25:170
98102799223,19cyclictest0-21swapper/007:45:170
98102799223,19cyclictest0-21swapper/007:35:150
981034992121,0cyclictest1153495-21kworker/7:0+events12:30:177
981034992121,0cyclictest1077029-21kworker/7:1+events11:36:477
981034992121,0cyclictest1077029-21kworker/7:1+events10:10:217
981034992120,1cyclictest1005624-21kworker/7:0+events08:19:477
981034992120,1cyclictest1005624-21kworker/7:0+events08:19:477
981034992120,1cyclictest1005624-21kworker/7:0+events07:55:517
981034992120,1cyclictest1005624-21kworker/7:0+events07:55:517
981034992119,2cyclictest1049649-21kworker/7:2+events09:15:197
981034992119,2cyclictest1005624-21kworker/7:0+events09:05:207
98103399212,19cyclictest0-21swapper/611:25:166
98103399210,20cyclictest0-21swapper/608:13:116
98103399210,20cyclictest0-21swapper/608:13:116
981032992117,4cyclictest984889-21mii-tool07:15:165
98103199216,15cyclictest981026-21cyclictest09:45:314
981031992120,1cyclictest1069801-21ethtool09:50:164
981031992120,1cyclictest1034046-21ethtool08:45:164
98103199210,0cyclictest0-21swapper/409:17:314
98102999212,19cyclictest0-21swapper/208:30:162
981029992119,2cyclictest0-21swapper/209:40:152
981028992121,0cyclictest0-21swapper/111:41:391
98102799212,19cyclictest0-21swapper/012:15:150
98102799212,19cyclictest0-21swapper/011:00:230
981027992120,1cyclictest1097105-21mii-tool10:40:150
981027992119,1cyclictest236199-21snmpd12:24:130
98102799211,19cyclictest0-21swapper/009:50:160
981034992020,0cyclictest980648-21kworker/7:2+events07:50:227
981034992020,0cyclictest980648-21kworker/7:2+events07:35:477
981034992020,0cyclictest1153495-21kworker/7:0+events12:26:037
981034992020,0cyclictest1153495-21kworker/7:0+events12:26:037
981034992020,0cyclictest1135570-21mii-tool11:50:177
981034992020,0cyclictest1077029-21kworker/7:1+events12:15:377
981034992020,0cyclictest1077029-21kworker/7:1+events11:45:537
981034992020,0cyclictest1077029-21kworker/7:1+events10:40:537
981034992020,0cyclictest1077029-21kworker/7:1+events10:30:287
981034992020,0cyclictest1077029-21kworker/7:1+events10:05:287
981034992020,0cyclictest1049649-21kworker/7:2+events09:50:217
981034992020,0cyclictest1049649-21kworker/7:2+events09:35:357
981034992020,0cyclictest1049649-21kworker/7:2+events09:20:577
981034992020,0cyclictest1005624-21kworker/7:0+events08:55:187
981034992020,0cyclictest1005624-21kworker/7:0+events08:35:077
981034992020,0cyclictest1005624-21kworker/7:0+events08:32:087
981034992020,0cyclictest1005624-21kworker/7:0+events08:11:257
981034992020,0cyclictest1005624-21kworker/7:0+events08:11:257
981034992020,0cyclictest1005624-21kworker/7:0+events08:00:437
981034992019,1cyclictest980648-21kworker/7:2+events07:15:317
981034992019,1cyclictest1077029-21kworker/7:1+events12:35:157
981034992019,0cyclictest1077029-21kworker/7:1+events12:05:077
981034992019,0cyclictest1005624-21kworker/7:0+events08:50:057
981034992016,4cyclictest1077029-21kworker/7:1+events11:20:157
981033992020,0cyclictest1160131-21mii-tool12:35:146
981033992019,1cyclictest236199-21snmpd09:23:256
981033992019,1cyclictest236199-21snmpd08:23:066
981033992019,1cyclictest236199-21snmpd07:15:336
98103399200,20cyclictest0-21swapper/611:52:156
981032992020,0cyclictest236199-21snmpd09:56:355
981032992020,0cyclictest1127398-21mii-tool11:35:175
981032992020,0cyclictest1121926-21mii-tool11:25:165
981032992020,0cyclictest1039763-21mii-tool08:55:165
981032992019,1cyclictest987639-21mii-tool07:20:185
981032992019,1cyclictest1083437-21cat10:15:175
981032992016,4cyclictest236199-21snmpd10:28:575
98103299200,1cyclictest1042993-21ntp_states09:00:195
981031992020,0cyclictest236199-21snmpd09:57:124
981031992020,0cyclictest1091626-21mii-tool10:30:154
981031992020,0cyclictest1053436-21mii-tool09:20:174
981031992020,0cyclictest1042509-21mii-tool09:00:154
981031992020,0cyclictest1017660-21mii-tool08:15:174
981031992020,0cyclictest1017660-21mii-tool08:15:174
981031992020,0cyclictest1014918-21mii-tool08:10:164
981031992020,0cyclictest1014918-21mii-tool08:10:164
981031992019,1cyclictest236199-21snmpd11:44:574
981031992019,1cyclictest236199-21snmpd11:16:234
981031992019,1cyclictest1113747-21mii-tool11:10:164
981031992019,1cyclictest1099847-21mii-tool10:45:164
98103199200,20cyclictest0-21swapper/412:25:154
98103199200,20cyclictest0-21swapper/412:25:154
981029992020,0cyclictest987620-21mii-tool07:20:162
981029992019,1cyclictest236199-21snmpd10:02:182
981029992019,1cyclictest1001281-21mii-tool07:45:172
981029992017,2cyclictest0-21swapper/212:18:402
98102999200,20cyclictest0-21swapper/209:20:202
98102899200,20cyclictest0-21swapper/111:52:431
98102899200,20cyclictest0-21swapper/111:13:541
98102899200,1cyclictest0-21swapper/108:52:371
98102899200,18cyclictest0-21swapper/110:20:251
981027992019,1cyclictest236199-21snmpd09:43:450
981027992019,0cyclictest236199-21snmpd11:25:300
981027992019,0cyclictest236199-21snmpd10:23:400
981027992016,1cyclictest191rcu_preempt12:00:200
98102799200,20cyclictest0-21swapper/012:13:250
98102799200,20cyclictest0-21swapper/010:38:070
981033991919,0cyclictest995794-21mii-tool07:35:156
981033991919,0cyclictest236199-21snmpd11:04:416
981033991919,0cyclictest236199-21snmpd10:44:196
981033991919,0cyclictest236199-21snmpd09:03:286
981033991919,0cyclictest1152673-21sensors12:20:236
981033991919,0cyclictest1105293-21mii-tool10:55:166
981033991919,0cyclictest1061615-21mii-tool09:35:166
981033991919,0cyclictest1036752-21ethtool08:50:166
981033991918,1cyclictest236199-21snmpd12:15:576
981033991918,1cyclictest1050661-21cat09:15:166
98103399190,19cyclictest0-21swapper/610:25:136
98103399190,19cyclictest0-21swapper/610:20:156
98103399190,19cyclictest0-21swapper/610:03:456
981032991919,0cyclictest236199-21snmpd11:17:145
981032991919,0cyclictest236199-21snmpd09:26:295
981032991919,0cyclictest1149226-21mii-tool12:15:165
981032991919,0cyclictest1069782-21ethtool09:50:155
981032991918,1cyclictest236199-21snmpd10:44:105
98103299190,19cyclictest0-21swapper/508:26:005
98103299190,0cyclictest0-21swapper/511:49:395
981031991919,0cyclictest236199-21snmpd11:47:364
981031991919,0cyclictest236199-21snmpd10:03:484
981031991919,0cyclictest236199-21snmpd09:10:294
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