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2025-12-09 - 07:32
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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 Tue Dec 09, 2025 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3084918998729,39cyclictest3250897-21mii-tool00:00:164
3084918998079,1cyclictest1-21systemd21:10:014
3084918997416,39cyclictest3264116-21munin-run00:25:004
3084918997413,59cyclictest3190246-21kworker/u32:2+events_unbound23:09:394
3084918997412,41cyclictest3189481-21taskset22:10:414
3084918997315,39cyclictest3130708-21kworker/u32:3+events_unbound21:58:134
3084918997233,19cyclictest0-21swapper/419:50:514
3084918997214,39cyclictest3084668-21kworker/u32:0+events_unbound20:09:014
3084918997212,59cyclictest3172725-21kworker/u32:0+events_unbound21:54:014
3084918997212,59cyclictest3084668-21kworker/u32:0+events_unbound19:18:394
3084918997133,38cyclictest61-21ksoftirqd/423:40:354
3084918997132,39cyclictest0-21swapper/400:05:464
3084918997132,21cyclictest0-21swapper/423:46:474
3084918997132,19cyclictest601ktimers/422:24:154
3084918997131,22cyclictest0-21swapper/421:44:314
3084918997113,38cyclictest873-21mta-sts-daemon19:21:014
3084918997112,59cyclictest3084668-21kworker/u32:0+events_unbound19:39:394
3084918997031,19cyclictest0-21swapper/422:05:334
3084918997031,19cyclictest0-21swapper/420:21:364
3084918997031,19cyclictest0-21swapper/420:21:354
3084918997031,19cyclictest0-21swapper/420:01:254
3084918997030,21cyclictest0-21swapper/419:32:034
308491899668,39cyclictest3211504-21ntpq22:50:234
308491899668,39cyclictest3204309-21kworker/u32:5+events_unbound22:40:134
3084918996645,20cyclictest3231643-21ntpq23:25:214
308491899656,59cyclictest3193074-21kworker/u32:323:00:074
308491899656,39cyclictest3104326-21grep19:40:254
3084918996261,1cyclictest3154276-21if_eno221:10:194
3084918996223,19cyclictest144798rtkit-daemon23:22:334
308491899600,39cyclictest3266696-21chrt00:29:504
3084918995940,19cyclictest0-21swapper/423:10:134
3084918995918,19cyclictest3130392-21munin-run20:30:014
308491899590,40cyclictest3130708-21kworker/u32:3+events_unbound21:16:134
3084918995514,19cyclictest0-21swapper/421:27:154
308491899550,54cyclictest3216069-21kworker/u32:4+events_unbound00:33:364
308491899550,54cyclictest3216069-21kworker/u32:4+events_unbound00:33:364
3084918995436,18cyclictest61-21ksoftirqd/420:37:274
3084918995433,19cyclictest0-21swapper/420:58:354
3084918995419,35cyclictest0-21swapper/422:59:114
3084918995419,35cyclictest0-21swapper/420:53:484
3084918995419,35cyclictest0-21swapper/420:43:154
3084918995419,15cyclictest0-21swapper/422:48:394
3084918995419,15cyclictest0-21swapper/420:30:594
3084918995419,15cyclictest0-21swapper/420:30:594
3084918995419,15cyclictest0-21swapper/420:18:414
3084918995419,15cyclictest0-21swapper/400:38:104
3084918995415,39cyclictest0-21swapper/422:31:574
3084918995414,39cyclictest0-21swapper/423:55:074
3084914995415,38cyclictest0-21swapper/019:55:170
3084918995333,19cyclictest0-21swapper/422:26:114
3084918995319,15cyclictest0-21swapper/423:53:194
3084918995319,15cyclictest0-21swapper/422:02:054
3084918995319,15cyclictest0-21swapper/419:28:014
3084918995319,15cyclictest0-21swapper/400:12:524
3084918995318,15cyclictest0-21swapper/421:47:134
3084918995314,39cyclictest3190246-21kworker/u32:2+events_unbound22:19:134
3084918995314,39cyclictest3085245-21kworker/u32:3+events_unbound19:10:134
3084918995314,39cyclictest0-21swapper/423:35:314
3084918995314,39cyclictest0-21swapper/423:31:394
3084918995314,39cyclictest0-21swapper/423:15:454
3084918995314,39cyclictest0-21swapper/419:55:494
3084918995314,39cyclictest0-21swapper/400:15:184
3084918995314,38cyclictest3130708-21kworker/u32:3+events_unbound21:03:374
3084915995315,19cyclictest0-21swapper/119:45:161
3084920995233,19cyclictest0-21swapper/622:55:196
3084918995233,19cyclictest0-21swapper/421:37:034
3084918995233,19cyclictest0-21swapper/421:21:494
3084918995233,19cyclictest0-21swapper/420:46:574
3084918995233,19cyclictest0-21swapper/420:10:054
3084918995233,19cyclictest0-21swapper/419:45:074
3084918995233,0cyclictest0-21swapper/422:36:514
3084918995213,39cyclictest0-21swapper/421:31:514
3084914995214,19cyclictest0-21swapper/020:40:160
3084914995113,19cyclictest0-21swapper/020:50:160
3084919995011,39cyclictest0-21swapper/500:35:175
3084914995012,19cyclictest0-21swapper/023:15:180
3084920994931,18cyclictest0-21swapper/620:00:186
3084919994910,19cyclictest0-21swapper/521:25:175
3084916994929,19cyclictest0-21swapper/220:20:162
3084916994929,19cyclictest0-21swapper/220:20:162
308491499489,38cyclictest0-21swapper/019:20:160
308492099478,39cyclictest0-21swapper/620:05:186
3084916994627,19cyclictest0-21swapper/219:25:162
308491499466,39cyclictest0-21swapper/022:40:160
308491999424,19cyclictest0-21swapper/520:40:165
308491599423,39cyclictest0-21swapper/119:20:161
308492099413,19cyclictest0-21swapper/621:45:176
3084920994122,19cyclictest771rcuc/600:05:176
308491999414,18cyclictest877-21mta-sts-daemon22:10:175
308491999413,19cyclictest0-21swapper/522:20:165
308491999412,39cyclictest0-21swapper/522:15:175
308491999412,39cyclictest0-21swapper/519:20:165
308492099402,19cyclictest0-21swapper/619:45:166
308491999402,19cyclictest0-21swapper/520:25:185
3084914994022,18cyclictest0-21swapper/019:35:160
308492099390,20cyclictest0-21swapper/622:40:166
3084914993921,18cyclictest0-21swapper/022:25:170
308491499391,19cyclictest0-21swapper/020:45:180
3084919993813,19cyclictest0-21swapper/521:35:185
308491999380,19cyclictest0-21swapper/520:55:205
308491699380,19cyclictest0-21swapper/223:45:162
3084915993819,19cyclictest0-21swapper/123:45:161
308491499380,38cyclictest0-21swapper/021:20:180
3084919993713,19cyclictest0-21swapper/519:15:195
308491699360,17cyclictest0-21swapper/223:30:162
308491599360,17cyclictest0-21swapper/121:55:161
308492099350,15cyclictest0-21swapper/619:30:176
308491999350,16cyclictest0-21swapper/523:35:165
308491999350,15cyclictest0-21swapper/523:40:165
308491999350,15cyclictest0-21swapper/519:50:165
308491799350,35cyclictest0-21swapper/323:55:173
308491799350,15cyclictest0-21swapper/322:35:183
308491699350,35cyclictest0-21swapper/222:30:182
308491699350,15cyclictest0-21swapper/223:35:162
308491599350,15cyclictest0-21swapper/120:10:171
308491499350,15cyclictest0-21swapper/023:40:170
308492199340,34cyclictest0-21swapper/720:05:187
308492199340,14cyclictest0-21swapper/722:25:177
308492099340,34cyclictest0-21swapper/620:55:216
308492099340,34cyclictest0-21swapper/619:25:166
308492099340,15cyclictest0-21swapper/623:35:166
3084919993415,19cyclictest0-21swapper/523:45:165
308491999340,34cyclictest0-21swapper/500:00:175
3084917993415,19cyclictest0-21swapper/300:00:173
308491799340,34cyclictest0-21swapper/319:55:173
3084916993415,19cyclictest0-21swapper/200:35:172
3084916993414,20cyclictest0-21swapper/222:00:172
308491699340,15cyclictest0-21swapper/223:55:172
308491699340,15cyclictest0-21swapper/221:10:192
308491599340,34cyclictest0-21swapper/121:00:251
308491599340,15cyclictest0-21swapper/121:15:181
3084914993415,19cyclictest0-21swapper/022:05:160
3084914993415,19cyclictest0-21swapper/000:30:180
3084914993415,19cyclictest0-21swapper/000:30:180
3084914993414,19cyclictest0-21swapper/000:25:180
308491499340,15cyclictest0-21swapper/021:10:190
3084921993314,19cyclictest0-21swapper/723:50:187
3084920993314,19cyclictest0-21swapper/623:40:176
3084920993314,19cyclictest0-21swapper/622:30:186
3084920993314,19cyclictest0-21swapper/622:05:166
3084920993314,19cyclictest0-21swapper/621:30:176
3084920993314,19cyclictest0-21swapper/620:40:226
3084920993314,19cyclictest0-21swapper/620:35:176
3084920993314,19cyclictest0-21swapper/619:40:176
3084920993314,19cyclictest0-21swapper/619:20:166
308492099330,14cyclictest0-21swapper/621:50:166
308491999339,19cyclictest0-21swapper/520:30:225
308491999339,19cyclictest0-21swapper/520:30:225
3084919993314,19cyclictest0-21swapper/523:15:185
3084919993314,19cyclictest0-21swapper/523:05:175
3084919993314,19cyclictest0-21swapper/521:15:185
3084919993314,19cyclictest0-21swapper/500:30:185
3084919993314,19cyclictest0-21swapper/500:30:185
3084919993314,0cyclictest0-21swapper/523:10:185
3084919993313,19cyclictest0-21swapper/521:20:185
308491999330,14cyclictest0-21swapper/521:30:175
3084917993314,19cyclictest0-21swapper/323:10:173
3084917993314,19cyclictest0-21swapper/323:00:153
3084917993314,19cyclictest0-21swapper/319:30:173
3084917993314,19cyclictest0-21swapper/300:10:193
3084917993314,18cyclictest1089-21snmpd23:34:153
3084916993314,19cyclictest0-21swapper/223:50:182
3084916993314,19cyclictest0-21swapper/221:00:182
3084916993314,19cyclictest0-21swapper/220:35:172
3084916993314,19cyclictest0-21swapper/220:25:182
3084916993314,19cyclictest0-21swapper/219:45:162
3084915993314,19cyclictest0-21swapper/122:50:191
3084915993314,19cyclictest0-21swapper/122:30:181
3084915993314,19cyclictest0-21swapper/120:20:161
3084915993314,19cyclictest0-21swapper/120:20:161
3084915993314,19cyclictest0-21swapper/120:15:161
3084915993314,19cyclictest0-21swapper/119:10:191
3084915993314,19cyclictest0-21swapper/100:25:181
3084915993314,19cyclictest0-21swapper/100:15:181
3084915993313,19cyclictest0-21swapper/119:35:161
3084915993312,20cyclictest0-21swapper/122:10:171
3084914993314,19cyclictest0-21swapper/021:55:160
3084920993214,0cyclictest0-21swapper/621:25:176
3084920993214,0cyclictest0-21swapper/600:30:186
3084920993214,0cyclictest0-21swapper/600:30:186
3084920993213,19cyclictest0-21swapper/623:45:166
3084920993213,19cyclictest0-21swapper/623:25:176
3084920993213,19cyclictest0-21swapper/622:10:176
3084920993213,19cyclictest0-21swapper/621:10:196
3084919993213,19cyclictest0-21swapper/521:40:165
3084919993213,19cyclictest0-21swapper/519:35:165
3084917993214,0cyclictest0-21swapper/322:05:163
3084917993213,19cyclictest0-21swapper/322:55:193
3084917993213,19cyclictest0-21swapper/322:25:173
3084917993213,19cyclictest0-21swapper/321:50:173
3084917993213,19cyclictest0-21swapper/321:45:173
3084917993213,19cyclictest0-21swapper/321:35:183
3084917993213,19cyclictest0-21swapper/319:20:243
3084917993213,19cyclictest0-21swapper/319:15:193
3084917993212,19cyclictest0-21swapper/320:00:183
3084916993213,19cyclictest0-21swapper/223:20:172
3084916993213,19cyclictest0-21swapper/220:15:162
3084916993213,19cyclictest0-21swapper/219:10:202
3084915993214,18cyclictest0-21swapper/119:50:161
3084915993213,19cyclictest0-21swapper/100:35:171
3084914993214,0cyclictest0-21swapper/019:40:170
3084914993213,19cyclictest0-21swapper/023:20:170
3084914993213,0cyclictest0-21swapper/021:00:180
3084914993212,19cyclictest0-21swapper/022:10:060
3084921993112,19cyclictest0-21swapper/722:55:197
3084920993130,0cyclictest0-21swapper/621:00:186
3084920993112,19cyclictest0-21swapper/620:20:166
3084920993112,19cyclictest0-21swapper/620:20:166
3084920993112,19cyclictest0-21swapper/600:10:196
308491999318,19cyclictest0-21swapper/521:05:175
3084919993112,19cyclictest0-21swapper/523:50:185
3084917993112,19cyclictest0-21swapper/320:25:183
3084917993111,19cyclictest0-21swapper/322:00:163
3084917993111,19cyclictest0-21swapper/321:15:183
3084916993113,0cyclictest0-21swapper/220:50:162
3084916993112,19cyclictest0-21swapper/223:25:172
3084916993112,19cyclictest0-21swapper/222:55:192
3084915993113,18cyclictest0-21swapper/120:40:161
3084915993112,1cyclictest321rcuc/122:20:161
3084914993112,19cyclictest0-21swapper/022:45:170
3084914993112,19cyclictest0-21swapper/021:45:180
3084921993011,19cyclictest0-21swapper/720:50:167
3084921993011,19cyclictest0-21swapper/720:30:167
3084921993011,19cyclictest0-21swapper/720:30:167
3084920993011,19cyclictest0-21swapper/623:50:186
3084917993011,19cyclictest0-21swapper/320:30:163
3084917993011,19cyclictest0-21swapper/320:30:163
3084916993011,19cyclictest0-21swapper/222:35:252
3084915993011,19cyclictest0-21swapper/123:30:171
3084915993011,19cyclictest0-21swapper/122:55:251
3084915993011,19cyclictest0-21swapper/121:05:171
3084915993011,19cyclictest0-21swapper/119:15:251
3084914993011,19cyclictest0-21swapper/023:05:170
3084914993011,19cyclictest0-21swapper/022:15:170
3084914993011,19cyclictest0-21swapper/000:00:170
3084921992910,19cyclictest0-21swapper/720:25:187
3084919992910,19cyclictest0-21swapper/520:00:185
3084917992912,0cyclictest877-21mta-sts-daemon23:50:363
3084917992910,19cyclictest0-21swapper/323:40:163
3084916992911,18cyclictest0-21swapper/222:45:162
3084914992910,19cyclictest0-21swapper/000:05:170
308491999289,19cyclictest0-21swapper/519:59:425
308491799289,19cyclictest0-21swapper/320:05:183
308491799288,19cyclictest0-21swapper/322:50:193
308491699289,19cyclictest0-21swapper/221:40:172
308491699288,20cyclictest0-21swapper/222:10:172
308491699288,20cyclictest0-21swapper/219:30:172
308491599289,19cyclictest0-21swapper/123:00:161
308491499289,19cyclictest0-21swapper/021:05:180
308491499288,20cyclictest0-21swapper/000:20:170
308492199278,19cyclictest0-21swapper/723:05:157
308492199278,19cyclictest0-21swapper/721:15:187
308492099277,20cyclictest0-21swapper/622:49:096
308491799278,19cyclictest0-21swapper/320:10:233
308491499278,19cyclictest251irq_work/022:20:170
308491499278,19cyclictest0-21swapper/019:30:180
308492099267,19cyclictest0-21swapper/623:10:176
308491999267,19cyclictest0-21swapper/519:45:165
308491799267,19cyclictest0-21swapper/322:20:173
308491799267,19cyclictest0-21swapper/319:50:223
308491499268,0cyclictest3212229-21kworker/0:2+events23:02:050
308491499267,19cyclictest0-21swapper/020:20:160
308491499267,19cyclictest0-21swapper/020:20:160
308491799256,19cyclictest0-21swapper/321:30:173
308491799256,19cyclictest0-21swapper/321:24:583
308491599256,19cyclictest0-21swapper/120:30:161
308491599256,19cyclictest0-21swapper/120:30:161
308491599255,19cyclictest0-21swapper/123:35:211
308491499256,19cyclictest0-21swapper/023:25:180
308491499256,19cyclictest0-21swapper/020:05:190
308492099245,19cyclictest0-21swapper/621:05:246
308491999246,18cyclictest0-21swapper/522:35:115
308491999245,19cyclictest0-21swapper/520:10:175
308491999245,19cyclictest0-21swapper/519:34:395
308491999234,19cyclictest0-21swapper/520:35:175
308491799234,19cyclictest0-21swapper/321:40:163
308491799234,19cyclictest0-21swapper/320:35:173
308491799234,19cyclictest0-21swapper/319:10:193
3084914992318,5cyclictest3107213-21kworker/0:0+events21:40:230
3084921992220,1cyclictest1089-21snmpd19:40:047
308492099223,19cyclictest0-21swapper/620:15:166
308491999223,19cyclictest0-21swapper/519:10:195
308491699223,19cyclictest0-21swapper/222:05:222
308491599223,19cyclictest0-21swapper/120:45:181
308491599220,22cyclictest0-21swapper/120:54:391
3084914992219,3cyclictest3107213-21kworker/0:0+events20:55:550
308492099212,19cyclictest0-21swapper/620:25:246
3084920992120,1cyclictest1089-21snmpd23:34:366
308491799212,19cyclictest0-21swapper/323:20:183
3084916992120,1cyclictest3205173-21mii-tool22:40:162
3084916992120,1cyclictest3092000-21ethtool19:20:162
308491699210,21cyclictest3217351-21ntpq23:00:192
3084915992120,1cyclictest1089-21snmpd23:50:241
308491599210,3cyclictest0-21swapper/120:08:451
308491599210,21cyclictest0-21swapper/123:57:451
308491599210,21cyclictest0-21swapper/123:43:091
308491599210,21cyclictest0-21swapper/123:23:571
308491599210,21cyclictest0-21swapper/123:18:351
308491599210,21cyclictest0-21swapper/123:13:011
308491599210,21cyclictest0-21swapper/122:36:351
308491599210,21cyclictest0-21swapper/122:16:151
308491599210,21cyclictest0-21swapper/122:02:011
308491599210,21cyclictest0-21swapper/121:49:391
308491599210,21cyclictest0-21swapper/121:14:291
308491599210,21cyclictest0-21swapper/120:55:151
308491599210,21cyclictest0-21swapper/120:03:491
308491599210,21cyclictest0-21swapper/119:56:071
308491599210,21cyclictest0-21swapper/119:43:571
308491599210,21cyclictest0-21swapper/119:31:131
308491599210,21cyclictest0-21swapper/100:22:101
308491599210,21cyclictest0-21swapper/100:14:201
308491599210,20cyclictest0-21swapper/122:40:111
308491599210,20cyclictest0-21swapper/121:32:011
308491599210,20cyclictest0-21swapper/121:25:091
308491599210,1cyclictest321rcuc/122:45:161
308491599210,0cyclictest0-21swapper/121:21:111
3084914992120,1cyclictest3222552-21ethtool23:10:170
3084914992120,1cyclictest1089-21snmpd19:50:130
3084921992020,0cyclictest3256524-21mii-tool00:10:197
3084921992020,0cyclictest1089-21snmpd22:36:287
308492199200,20cyclictest0-21swapper/723:48:217
3084920992020,0cyclictest3120071-21ethtool20:10:176
308492099200,20cyclictest0-21swapper/623:24:296
308492099200,20cyclictest0-21swapper/623:18:216
308492099200,20cyclictest0-21swapper/622:50:336
308492099200,20cyclictest0-21swapper/622:00:456
308492099200,20cyclictest0-21swapper/621:20:296
308492099200,20cyclictest0-21swapper/620:30:296
308492099200,20cyclictest0-21swapper/620:30:296
308492099200,20cyclictest0-21swapper/619:11:356
308492099200,20cyclictest0-21swapper/600:21:006
308492099200,20cyclictest0-21swapper/600:02:276
308492099200,1cyclictest0-21swapper/623:55:126
308492099200,1cyclictest0-21swapper/600:26:346
3084919992020,0cyclictest1089-21snmpd22:05:215
3084919992019,1cyclictest1089-21snmpd23:29:265
3084919992019,1cyclictest1089-21snmpd22:50:405
3084919992019,1cyclictest1089-21snmpd22:01:335
308491999200,20cyclictest0-21swapper/522:30:275
308491999200,1cyclictest0-21swapper/522:46:045
308491799203,17cyclictest501rcuc/319:25:233
3084917992019,1cyclictest1089-21snmpd00:35:263
308491799200,20cyclictest0-21swapper/323:49:153
308491799200,20cyclictest0-21swapper/321:02:403
308491799200,1cyclictest0-21swapper/322:18:423
308491799200,1cyclictest0-21swapper/321:08:313
308491799200,19cyclictest0-21swapper/322:40:163
3084916992020,0cyclictest3253738-21mii-tool00:05:172
3084916992020,0cyclictest3117293-21mii-tool20:05:182
3084916992020,0cyclictest3103262-21mii-tool19:40:172
3084916992019,1cyclictest1089-21snmpd21:45:292
3084915992019,1cyclictest3168642-21ethtool21:35:181
308491599200,3cyclictest0-21swapper/120:37:051
308491599200,20cyclictest0-21swapper/123:05:451
308491599200,20cyclictest0-21swapper/122:06:571
308491599200,20cyclictest0-21swapper/121:51:091
308491599200,20cyclictest0-21swapper/121:41:151
308491599200,20cyclictest0-21swapper/120:25:431
308491599200,20cyclictest0-21swapper/119:27:451
308491599200,20cyclictest0-21swapper/100:06:561
308491599200,20cyclictest0-21swapper/100:01:071
308491599200,0cyclictest0-21swapper/123:26:211
3084914992020,0cyclictest3253215-21kworker/0:0+events00:12:100
3084914992020,0cyclictest3249736-21kworker/0:3+events00:35:100
3084914992020,0cyclictest3223949-21kworker/0:1+events23:55:190
3084914992020,0cyclictest3223949-21kworker/0:1+events23:50:040
3084914992020,0cyclictest3223949-21kworker/0:1+events23:46:230
3084914992020,0cyclictest3223949-21kworker/0:1+events23:35:270
3084914992020,0cyclictest3223949-21kworker/0:1+events23:31:350
3084914992020,0cyclictest3207395-21kworker/0:1+events22:55:070
3084914992020,0cyclictest3202236-21kworker/0:0+events22:50:060
3084914992020,0cyclictest3198568-21kworker/0:3+events22:35:070
3084914992020,0cyclictest3198568-21kworker/0:3+events22:30:070
3084914992020,0cyclictest3181264-21kworker/0:1+events22:00:070
3084914992020,0cyclictest3130056-21kworker/0:2+events20:35:430
3084914992020,0cyclictest3107213-21kworker/0:0+events21:50:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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