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2026-07-03 - 09:53
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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
Characteristics of the highest latencies:
System rackdslot2.osadl.org (updated Fri Jul 03, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326162230177,41sleep00-21swapper/019:09:440
323932206172,22sleep30-21swapper/319:06:553
324962205171,22sleep20-21swapper/219:08:092
323522203169,22sleep10-21swapper/119:06:251
2719621350,6sleep349099cyclictest20:05:113
489996517,46cyclictest2339-21kworker/2:119:25:262
48999651,20cyclictest2634-21/usr/sbin/munin22:35:152
48999650,35cyclictest0-21swapper/219:25:012
48999650,23cyclictest18635-21mailstats19:45:252
48999650,19cyclictest6195-21cat20:25:252
48999640,27cyclictest29671-21/usr/sbin/munin23:30:222
48999640,20cyclictest20893-21/usr/sbin/munin22:05:192
48999590,21cyclictest13058-21latency_hist00:05:002
240592590,2sleep20-21swapper/200:25:262
48999570,20cyclictest13196-21/usr/sbin/munin00:05:302
48999570,20cyclictest13196-21/usr/sbin/munin00:05:302
48999560,22cyclictest12280-21taskset21:46:072
139291560,1ptp4l401ktimersoftd/321:30:223
41298550,40rtkit-daemon0-21swapper/319:10:013
139291520,1ptp4l401ktimersoftd/323:58:063
139291520,0ptp4l401ktimersoftd/322:19:473
135191520,1getstats0-21swapper/321:05:323
48999510,21cyclictest7938-21taskset23:54:252
48999490,28cyclictest3487-21chrt23:45:112
48999490,27cyclictest28000-21taskset23:26:512
48999490,27cyclictest28000-21taskset23:26:512
48999460,44cyclictest0-21swapper/220:00:252
48999450,27cyclictest217-21systemd-journal19:42:362
48999450,19cyclictest0-21swapper/219:54:582
48999440,20cyclictest27186-21runrttasks00:32:362
48999440,18cyclictest1312-21snmpd21:18:052
139291440,0ptp4l401ktimersoftd/320:45:483
48999430,27cyclictest24497-21runrttasks22:14:542
48999430,19cyclictest0-21swapper/200:21:032
139291430,0ptp4l401ktimersoftd/323:20:343
139291430,0ptp4l401ktimersoftd/300:17:373
490994237,2cyclictest41-21ksoftirqd/319:20:013
139291420,0ptp4l401ktimersoftd/319:53:453
139291410,0ptp4l401ktimersoftd/320:50:253
139291410,0ptp4l401ktimersoftd/319:36:593
139291410,0ptp4l401ktimersoftd/319:25:183
490994034,4cyclictest13955-21sh23:00:003
490993934,3cyclictest41-21ksoftirqd/320:00:003
490993933,4cyclictest41-21ksoftirqd/323:33:193
490993933,3cyclictest41-21ksoftirqd/300:20:193
490993833,3cyclictest41-21ksoftirqd/320:15:263
490993832,4cyclictest41-21ksoftirqd/300:31:573
490993832,4cyclictest41-21ksoftirqd/300:07:263
490993832,4cyclictest41-21ksoftirqd/300:07:253
490993831,4cyclictest41-21ksoftirqd/320:57:223
48999381,26cyclictest0-21swapper/222:40:252
48999380,2cyclictest0-21swapper/220:30:162
487993831,4cyclictest9-21ksoftirqd/021:55:330
490993733,2cyclictest41-21ksoftirqd/322:10:003
490993732,4cyclictest41-21ksoftirqd/321:22:463
490993731,4cyclictest41-21ksoftirqd/321:46:283
490993731,4cyclictest41-21ksoftirqd/321:36:093
490993731,4cyclictest41-21ksoftirqd/319:20:593
490993731,4cyclictest18254-21sed22:00:193
489993731,4cyclictest33-21ksoftirqd/219:15:472
488993731,4cyclictest25-21ksoftirqd/121:16:021
488993731,4cyclictest25-21ksoftirqd/121:07:561
487993731,4cyclictest9-21ksoftirqd/000:12:280
487993730,4cyclictest9-21ksoftirqd/019:19:420
48799372,2cyclictest121rcu_preempt22:06:140
490993631,3cyclictest41-21ksoftirqd/323:40:363
490993630,4cyclictest41-21ksoftirqd/320:27:173
489993630,4cyclictest33-21ksoftirqd/221:01:062
489993630,4cyclictest33-21ksoftirqd/220:06:302
48999361,16cyclictest0-21swapper/222:45:212
48999360,22cyclictest27920-21seq21:12:432
48999360,17cyclictest1312-21snmpd20:14:092
488993631,3cyclictest25-21ksoftirqd/122:51:181
488993631,3cyclictest25-21ksoftirqd/122:45:011
488993631,3cyclictest25-21ksoftirqd/120:47:411
488993630,4cyclictest25-21ksoftirqd/122:32:321
488993630,4cyclictest25-21ksoftirqd/121:59:101
488993630,4cyclictest25-21ksoftirqd/121:41:131
488993630,4cyclictest25-21ksoftirqd/121:14:381
488993630,4cyclictest25-21ksoftirqd/120:58:241
488993630,4cyclictest25-21ksoftirqd/119:24:291
488993629,4cyclictest25-21ksoftirqd/100:33:511
487993631,3cyclictest9-21ksoftirqd/023:35:140
487993631,3cyclictest13613-21grep00:05:160
487993631,3cyclictest13613-21grep00:05:160
487993630,4cyclictest9-21ksoftirqd/022:53:410
487993630,4cyclictest9-21ksoftirqd/020:00:380
487993629,4cyclictest9-21ksoftirqd/021:20:340
41298360,2rtkit-daemon0-21swapper/323:01:013
490993531,2cyclictest41-21ksoftirqd/322:45:013
490993530,3cyclictest41-21ksoftirqd/322:46:313
490993530,3cyclictest41-21ksoftirqd/321:04:253
490993530,3cyclictest41-21ksoftirqd/320:35:113
490993530,3cyclictest41-21ksoftirqd/320:00:203
490993530,3cyclictest41-21ksoftirqd/300:25:233
490993529,4cyclictest41-21ksoftirqd/321:50:573
490993529,4cyclictest41-21ksoftirqd/321:27:103
490993529,4cyclictest41-21ksoftirqd/320:31:023
48999354,28cyclictest20274-21latency_hist00:20:012
489993530,3cyclictest33-21ksoftirqd/219:33:252
489993529,4cyclictest33-21ksoftirqd/223:37:442
489993529,4cyclictest33-21ksoftirqd/220:24:592
48999350,22cyclictest1308-21runrttasks23:41:372
488993530,3cyclictest25-21ksoftirqd/123:44:001
488993530,3cyclictest25-21ksoftirqd/119:36:401
488993529,3cyclictest25-21ksoftirqd/122:20:001
488993528,4cyclictest25-21ksoftirqd/120:06:021
487993531,3cyclictest9-21ksoftirqd/021:00:440
487993531,3cyclictest9-21ksoftirqd/019:32:310
487993530,3cyclictest9-21ksoftirqd/020:16:510
487993529,4cyclictest9-21ksoftirqd/021:52:320
487993529,4cyclictest9-21ksoftirqd/021:34:010
487993529,3cyclictest9-21ksoftirqd/019:30:010
490993429,3cyclictest41-21ksoftirqd/323:50:263
490993429,3cyclictest41-21ksoftirqd/320:14:553
490993429,3cyclictest41-21ksoftirqd/319:33:013
490993428,4cyclictest41-21ksoftirqd/322:22:473
490993428,4cyclictest41-21ksoftirqd/320:20:443
489993429,3cyclictest33-21ksoftirqd/221:42:562
489993428,4cyclictest33-21ksoftirqd/223:19:582
489993428,4cyclictest33-21ksoftirqd/221:53:102
489993428,4cyclictest33-21ksoftirqd/221:29:542
48999341,19cyclictest1308-21runrttasks22:00:592
48999340,19cyclictest0-21swapper/223:59:142
48999340,16cyclictest1312-21snmpd21:37:052
488993429,3cyclictest25-21ksoftirqd/123:30:411
488993429,3cyclictest25-21ksoftirqd/123:19:491
488993429,3cyclictest25-21ksoftirqd/122:20:081
488993429,3cyclictest25-21ksoftirqd/120:31:001
487993429,3cyclictest9-21ksoftirqd/023:33:160
487993429,3cyclictest9-21ksoftirqd/022:38:400
487993429,3cyclictest9-21ksoftirqd/020:55:110
487993428,4cyclictest9-21ksoftirqd/023:22:010
487993428,4cyclictest9-21ksoftirqd/021:29:080
487993428,4cyclictest9-21ksoftirqd/020:06:560
487993428,4cyclictest9-21ksoftirqd/000:27:040
139291340,0ptp4l401ktimersoftd/321:58:283
490993330,2cyclictest41-21ksoftirqd/319:45:233
490993328,3cyclictest41-21ksoftirqd/323:40:003
490993328,3cyclictest41-21ksoftirqd/323:20:003
490993328,3cyclictest41-21ksoftirqd/323:06:083
490993328,3cyclictest41-21ksoftirqd/322:35:483
490993328,3cyclictest41-21ksoftirqd/322:25:103
490993328,3cyclictest41-21ksoftirqd/322:11:003
490993326,4cyclictest41-21ksoftirqd/300:02:043
489993328,3cyclictest33-21ksoftirqd/222:50:402
489993328,3cyclictest33-21ksoftirqd/219:10:122
489993327,4cyclictest33-21ksoftirqd/222:21:532
48999331,20cyclictest1308-21runrttasks23:11:112
48999330,20cyclictest13683-21chrt20:43:182
48999330,18cyclictest0-21swapper/200:37:522
488993328,3cyclictest25-21ksoftirqd/122:14:241
488993328,3cyclictest25-21ksoftirqd/120:01:501
488993328,3cyclictest25-21ksoftirqd/119:10:131
488993328,3cyclictest25-21ksoftirqd/100:29:011
488993328,3cyclictest25-21ksoftirqd/100:15:301
488993327,4cyclictest25-21ksoftirqd/122:39:381
488993327,4cyclictest25-21ksoftirqd/121:51:561
488993327,4cyclictest25-21ksoftirqd/121:46:261
488993327,4cyclictest25-21ksoftirqd/121:38:321
488993327,4cyclictest25-21ksoftirqd/100:22:561
487993328,3cyclictest9-21ksoftirqd/023:42:510
487993327,4cyclictest9-21ksoftirqd/023:58:480
487993327,4cyclictest9-21ksoftirqd/020:31:000
487993327,4cyclictest9-21ksoftirqd/019:54:050
487993326,4cyclictest9-21ksoftirqd/021:36:580
490993227,3cyclictest41-21ksoftirqd/323:10:303
490993227,3cyclictest41-21ksoftirqd/322:51:473
490993227,3cyclictest41-21ksoftirqd/320:40:173
490993227,3cyclictest41-21ksoftirqd/300:14:083
490993226,4cyclictest41-21ksoftirqd/322:30:493
490993226,4cyclictest41-21ksoftirqd/300:35:423
489993227,3cyclictest33-21ksoftirqd/223:04:142
489993227,3cyclictest33-21ksoftirqd/221:31:252
48999321,28cyclictest217-21systemd-journal23:05:292
48999321,18cyclictest0-21swapper/223:20:312
48999320,19cyclictest0-21swapper/200:12:542
488993227,3cyclictest25-21ksoftirqd/123:26:401
488993227,3cyclictest25-21ksoftirqd/123:26:401
488993227,3cyclictest25-21ksoftirqd/122:47:321
488993227,3cyclictest25-21ksoftirqd/122:26:101
488993227,3cyclictest25-21ksoftirqd/121:30:111
488993227,3cyclictest25-21ksoftirqd/119:17:391
488993227,3cyclictest25-21ksoftirqd/100:36:391
488993227,3cyclictest25-21ksoftirqd/100:12:561
488993226,4cyclictest25-21ksoftirqd/123:58:531
488993226,4cyclictest25-21ksoftirqd/123:22:461
488993226,4cyclictest25-21ksoftirqd/122:08:571
488993225,4cyclictest25-21ksoftirqd/120:25:421
487993227,3cyclictest9-21ksoftirqd/023:54:480
487993227,3cyclictest9-21ksoftirqd/023:02:310
487993227,3cyclictest9-21ksoftirqd/022:48:510
487993227,3cyclictest9-21ksoftirqd/020:50:300
487993227,3cyclictest9-21ksoftirqd/020:47:170
487993227,3cyclictest9-21ksoftirqd/020:22:570
487993227,3cyclictest9-21ksoftirqd/020:13:020
487993226,4cyclictest9-21ksoftirqd/021:43:240
48799320,2cyclictest121rcu_preempt20:38:200
490993126,3cyclictest41-21ksoftirqd/323:27:113
490993126,3cyclictest41-21ksoftirqd/323:27:113
490993126,3cyclictest41-21ksoftirqd/321:19:413
490993126,3cyclictest41-21ksoftirqd/319:40:153
490993125,4cyclictest41-21ksoftirqd/323:45:593
490993125,4cyclictest41-21ksoftirqd/321:41:113
489993125,4cyclictest33-21ksoftirqd/222:26:432
489993125,4cyclictest33-21ksoftirqd/220:54:252
489993125,4cyclictest33-21ksoftirqd/219:57:392
48999310,19cyclictest20958-21dump-pmu-power21:00:012
488993126,3cyclictest25-21ksoftirqd/123:35:411
488993126,3cyclictest25-21ksoftirqd/120:37:291
488993126,3cyclictest25-21ksoftirqd/119:58:431
488993126,3cyclictest25-21ksoftirqd/100:09:041
488993126,3cyclictest25-21ksoftirqd/100:09:031
488993126,3cyclictest25-21ksoftirqd/100:04:171
488993125,4cyclictest25-21ksoftirqd/123:13:121
488993125,4cyclictest25-21ksoftirqd/120:20:381
488993125,3cyclictest25-21ksoftirqd/120:16:241
487993126,3cyclictest9-21ksoftirqd/022:12:450
487993126,3cyclictest9-21ksoftirqd/021:12:410
487993126,3cyclictest9-21ksoftirqd/020:28:220
487993126,3cyclictest9-21ksoftirqd/019:11:150
487993126,3cyclictest9-21ksoftirqd/000:39:000
487993125,4cyclictest9-21ksoftirqd/022:34:030
487993125,4cyclictest9-21ksoftirqd/022:15:300
487993125,4cyclictest9-21ksoftirqd/022:03:430
487993125,4cyclictest9-21ksoftirqd/019:45:070
489993025,3cyclictest33-21ksoftirqd/221:05:452
489993025,3cyclictest33-21ksoftirqd/220:19:032
489993024,4cyclictest33-21ksoftirqd/220:39:452
488993025,3cyclictest25-21ksoftirqd/121:01:561
488993024,4cyclictest25-21ksoftirqd/123:50:421
488993024,4cyclictest25-21ksoftirqd/119:40:101
488993024,4cyclictest25-21ksoftirqd/119:28:141
487993025,3cyclictest9-21ksoftirqd/023:29:310
487993025,3cyclictest9-21ksoftirqd/023:29:310
487993025,3cyclictest9-21ksoftirqd/023:17:500
487993025,3cyclictest9-21ksoftirqd/022:20:150
487993025,3cyclictest9-21ksoftirqd/019:57:170
487993024,4cyclictest9-21ksoftirqd/022:29:540
487993024,4cyclictest9-21ksoftirqd/020:41:550
487993024,4cyclictest9-21ksoftirqd/000:30:170
489992924,3cyclictest33-21ksoftirqd/221:57:272
48999291,25cyclictest24743-21/usr/sbin/munin22:15:242
488992924,3cyclictest25-21ksoftirqd/123:08:141
488992924,3cyclictest25-21ksoftirqd/119:52:451
488992923,4cyclictest25-21ksoftirqd/123:00:441
488992923,4cyclictest25-21ksoftirqd/120:50:301
488992923,4cyclictest25-21ksoftirqd/120:42:391
488992923,4cyclictest25-21ksoftirqd/120:14:001
487992924,3cyclictest9-21ksoftirqd/023:49:240
487992924,3cyclictest9-21ksoftirqd/019:42:260
487992924,3cyclictest9-21ksoftirqd/000:16:490
487992923,4cyclictest9-21ksoftirqd/021:17:390
490992823,3cyclictest41-21ksoftirqd/321:11:403
489992823,3cyclictest33-21ksoftirqd/222:33:342
489992823,3cyclictest33-21ksoftirqd/220:49:052
489992822,4cyclictest33-21ksoftirqd/219:37:302
488992823,3cyclictest3132-21sh21:30:011
488992823,3cyclictest25-21ksoftirqd/119:35:001
488992822,4cyclictest25-21ksoftirqd/122:03:431
487992823,3cyclictest9-21ksoftirqd/022:40:330
489992722,3cyclictest33-21ksoftirqd/221:21:122
48999270,24cyclictest14152-21chrt23:00:012
488992721,4cyclictest25-21ksoftirqd/121:24:571
487992722,3cyclictest9-21ksoftirqd/019:39:500
488992620,4cyclictest25-21ksoftirqd/119:45:311
487992623,2cyclictest21562-21kworker/2:100:20:210
487992621,3cyclictest9-21ksoftirqd/023:08:370
487992621,3cyclictest9-21ksoftirqd/021:45:450
487992621,3cyclictest9-21ksoftirqd/019:20:350
487992620,4cyclictest9-21ksoftirqd/023:13:060
488992521,2cyclictest25-21ksoftirqd/122:57:351
487992520,3cyclictest9-21ksoftirqd/000:04:010
487992318,3cyclictest9-21ksoftirqd/023:00:000
487992317,3cyclictest24273-21irqrtprio21:05:190
488992115,4cyclictest25-21ksoftirqd/123:47:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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