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2026-05-23 - 13:18
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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 Sat May 23, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591235169,22phc2sys0-21swapper/319:08:373
192272205171,22sleep00-21swapper/019:07:100
193712204172,22sleep20-21swapper/219:09:052
191152203170,22sleep10-21swapper/119:05:501
1743721370,6sleep31973899cyclictest23:30:173
258372620,2sleep11973699cyclictest19:20:221
148202620,2sleep10-21swapper/100:30:251
35602610,2sleep20-21swapper/221:55:002
239342590,3sleep023933-21cut21:30:230
270652570,4sleep0111rcuc/020:30:220
283172490,1sleep10-21swapper/122:45:181
19736994842,3cyclictest31996-21cron22:55:001
139291440,0ptp4l401ktimersoftd/323:41:413
139291430,0ptp4l401ktimersoftd/322:25:213
139291430,0ptp4l401ktimersoftd/319:59:533
19738994223,16cyclictest41-21ksoftirqd/321:22:083
139291410,0ptp4l401ktimersoftd/320:45:143
19738994034,4cyclictest41-21ksoftirqd/321:01:263
139291400,0ptp4l401ktimersoftd/322:00:283
19738993933,4cyclictest41-21ksoftirqd/321:49:133
19738993832,4cyclictest41-21ksoftirqd/320:12:163
19738993832,4cyclictest41-21ksoftirqd/320:12:153
19738993832,4cyclictest41-21ksoftirqd/320:09:023
19738993832,4cyclictest41-21ksoftirqd/320:03:373
19737993831,4cyclictest33-21ksoftirqd/200:30:002
19736993833,3cyclictest25-21ksoftirqd/121:49:261
19736993832,4cyclictest25-21ksoftirqd/122:38:201
19738993732,3cyclictest41-21ksoftirqd/323:54:593
19738993732,3cyclictest41-21ksoftirqd/319:37:453
19738993731,4cyclictest41-21ksoftirqd/323:48:543
19737993732,3cyclictest33-21ksoftirqd/222:16:592
19737993731,4cyclictest33-21ksoftirqd/221:32:142
19737993731,4cyclictest33-21ksoftirqd/221:01:052
19737993731,4cyclictest33-21ksoftirqd/219:12:572
1973799371,34cyclictest0-21swapper/223:23:542
19736993732,3cyclictest25-21ksoftirqd/122:24:231
19736993732,3cyclictest25-21ksoftirqd/100:15:011
19735993732,3cyclictest9-21ksoftirqd/000:15:110
19735993731,4cyclictest9-21ksoftirqd/000:26:060
19735993730,4cyclictest9-21ksoftirqd/021:52:380
19738993630,4cyclictest41-21ksoftirqd/320:44:343
19738993630,4cyclictest41-21ksoftirqd/320:21:103
19738993630,4cyclictest41-21ksoftirqd/319:51:413
19738993630,4cyclictest41-21ksoftirqd/319:19:253
19737993631,3cyclictest33-21ksoftirqd/223:48:252
19737993631,3cyclictest33-21ksoftirqd/222:29:552
19737993630,4cyclictest33-21ksoftirqd/220:59:402
19737993630,4cyclictest33-21ksoftirqd/219:52:252
19736993630,4cyclictest25-21ksoftirqd/123:00:591
19736993630,4cyclictest25-21ksoftirqd/120:00:501
19735993631,3cyclictest9-21ksoftirqd/000:35:090
19735993630,4cyclictest9-21ksoftirqd/023:18:030
19735993630,4cyclictest9-21ksoftirqd/021:45:070
19735993630,4cyclictest9-21ksoftirqd/019:39:520
19738993530,3cyclictest41-21ksoftirqd/322:15:063
19738993530,3cyclictest41-21ksoftirqd/322:10:393
19738993530,3cyclictest41-21ksoftirqd/322:09:183
19738993530,3cyclictest41-21ksoftirqd/320:50:393
19738993530,3cyclictest41-21ksoftirqd/300:19:563
19738993530,3cyclictest217-21systemd-journal19:50:013
19738993529,4cyclictest41-21ksoftirqd/322:43:363
19738993529,4cyclictest41-21ksoftirqd/322:39:583
19738993529,4cyclictest41-21ksoftirqd/322:34:043
19738993529,4cyclictest41-21ksoftirqd/321:59:153
19738993529,4cyclictest41-21ksoftirqd/321:59:153
19738993529,4cyclictest41-21ksoftirqd/321:19:273
19738993529,4cyclictest41-21ksoftirqd/321:19:273
19738993529,4cyclictest41-21ksoftirqd/320:32:013
19738993529,4cyclictest41-21ksoftirqd/320:18:493
19738993511,3cyclictest12979-21dump-pmu-power21:10:003
19737993530,3cyclictest33-21ksoftirqd/219:20:002
19737993529,4cyclictest33-21ksoftirqd/222:39:372
19737993529,4cyclictest33-21ksoftirqd/222:14:422
19737993529,4cyclictest33-21ksoftirqd/221:07:512
19737993529,3cyclictest7615-21systemctl00:15:242
19737993528,4cyclictest33-21ksoftirqd/200:10:252
1973799350,3cyclictest131rcu_sched21:49:282
19736993530,3cyclictest25-21ksoftirqd/122:13:131
19736993530,3cyclictest25-21ksoftirqd/121:40:091
19736993530,3cyclictest25-21ksoftirqd/121:24:381
19736993530,3cyclictest25-21ksoftirqd/120:17:231
19736993529,4cyclictest25-21ksoftirqd/121:26:511
19735993530,3cyclictest9-21ksoftirqd/021:30:000
19735993529,4cyclictest9-21ksoftirqd/023:02:580
19735993529,4cyclictest9-21ksoftirqd/022:54:590
19735993529,4cyclictest9-21ksoftirqd/022:28:280
19735993529,4cyclictest9-21ksoftirqd/022:02:330
19735993529,4cyclictest9-21ksoftirqd/000:21:010
1973899348,7cyclictest28706-21proc_pri21:40:213
19738993430,3cyclictest41-21ksoftirqd/321:54:413
19738993429,3cyclictest41-21ksoftirqd/321:35:373
19738993429,3cyclictest41-21ksoftirqd/300:06:163
19738993429,3cyclictest41-21ksoftirqd/300:01:263
19738993428,4cyclictest41-21ksoftirqd/323:06:463
19738993428,4cyclictest41-21ksoftirqd/321:28:183
19738993428,4cyclictest41-21ksoftirqd/320:56:003
19738993428,4cyclictest41-21ksoftirqd/319:14:103
19738993412,3cyclictest28444-21/usr/sbin/munin20:35:193
19738993412,3cyclictest16196-21expr00:35:133
19738993411,3cyclictest22704-21/usr/sbin/munin21:30:153
19737993429,3cyclictest33-21ksoftirqd/219:29:262
19737993429,3cyclictest33-21ksoftirqd/200:38:492
19737993428,4cyclictest33-21ksoftirqd/221:44:372
19737993428,4cyclictest33-21ksoftirqd/221:39:282
19737993428,4cyclictest33-21ksoftirqd/220:54:352
19737993428,4cyclictest33-21ksoftirqd/220:00:522
19737993427,5cyclictest33-21ksoftirqd/223:03:562
19736993429,3cyclictest25-21ksoftirqd/121:59:451
19736993429,3cyclictest25-21ksoftirqd/121:59:451
19736993428,4cyclictest25-21ksoftirqd/123:23:051
19736993428,4cyclictest25-21ksoftirqd/120:08:361
19736993428,4cyclictest25-21ksoftirqd/100:36:271
19736993428,4cyclictest25-21ksoftirqd/100:18:481
19735993429,3cyclictest9-21ksoftirqd/023:54:370
19735993429,3cyclictest9-21ksoftirqd/023:35:000
19735993429,3cyclictest9-21ksoftirqd/021:20:320
19735993429,3cyclictest9-21ksoftirqd/020:29:070
19735993429,3cyclictest9-21ksoftirqd/020:10:010
19735993429,3cyclictest9-21ksoftirqd/000:31:480
19735993428,4cyclictest9-21ksoftirqd/022:22:300
19735993428,4cyclictest9-21ksoftirqd/020:59:180
19735993428,4cyclictest9-21ksoftirqd/019:20:570
19738993328,3cyclictest41-21ksoftirqd/322:21:203
19738993327,4cyclictest41-21ksoftirqd/323:12:483
19738993327,4cyclictest41-21ksoftirqd/322:53:593
19738993327,4cyclictest41-21ksoftirqd/321:12:253
19738993327,4cyclictest41-21ksoftirqd/319:43:433
19738993327,4cyclictest41-21ksoftirqd/300:26:143
19738993327,4cyclictest41-21ksoftirqd/300:13:583
19737993328,3cyclictest33-21ksoftirqd/223:06:392
19737993327,4cyclictest33-21ksoftirqd/223:51:022
19737993327,4cyclictest33-21ksoftirqd/223:33:012
19737993327,4cyclictest33-21ksoftirqd/222:59:512
19737993327,4cyclictest33-21ksoftirqd/220:44:042
19736993328,3cyclictest25-21ksoftirqd/122:02:231
19736993328,3cyclictest25-21ksoftirqd/121:37:501
19736993328,3cyclictest25-21ksoftirqd/120:22:401
19736993327,4cyclictest25-21ksoftirqd/119:42:171
19736993327,4cyclictest25-21ksoftirqd/119:39:201
19736993327,3cyclictest25-21ksoftirqd/123:55:171
19735993328,3cyclictest9-21ksoftirqd/023:09:360
19735993328,3cyclictest9-21ksoftirqd/020:53:320
19735993328,3cyclictest9-21ksoftirqd/020:22:160
19735993327,4cyclictest9-21ksoftirqd/022:19:120
19735993327,4cyclictest9-21ksoftirqd/021:57:030
19735993327,4cyclictest9-21ksoftirqd/021:57:020
19735993327,4cyclictest9-21ksoftirqd/020:49:190
19735993327,4cyclictest9-21ksoftirqd/020:39:560
19738993228,3cyclictest41-21ksoftirqd/323:55:063
19738993227,3cyclictest41-21ksoftirqd/323:17:263
19738993227,3cyclictest41-21ksoftirqd/322:47:563
19738993227,3cyclictest41-21ksoftirqd/320:25:483
19738993227,3cyclictest41-21ksoftirqd/319:34:433
19738993227,3cyclictest41-21ksoftirqd/319:23:143
19738993210,3cyclictest14519-21cpuspeed_turbos23:25:113
19737993227,3cyclictest33-21ksoftirqd/223:14:012
19737993227,3cyclictest33-21ksoftirqd/221:58:102
19737993227,3cyclictest33-21ksoftirqd/221:58:102
19737993227,3cyclictest33-21ksoftirqd/221:13:162
19737993227,3cyclictest33-21ksoftirqd/219:30:082
19737993227,3cyclictest33-21ksoftirqd/200:01:422
19737993226,4cyclictest33-21ksoftirqd/220:28:272
19737993226,4cyclictest33-21ksoftirqd/200:32:382
19737993226,4cyclictest33-21ksoftirqd/200:20:342
19736993227,3cyclictest25-21ksoftirqd/123:40:101
19736993227,3cyclictest25-21ksoftirqd/123:40:001
19736993227,3cyclictest25-21ksoftirqd/122:43:581
19736993227,3cyclictest25-21ksoftirqd/100:02:541
19736993226,4cyclictest25-21ksoftirqd/123:31:311
19736993226,4cyclictest25-21ksoftirqd/121:01:441
19736993226,4cyclictest25-21ksoftirqd/120:46:591
19736993226,4cyclictest25-21ksoftirqd/119:57:371
19736993226,4cyclictest25-21ksoftirqd/119:48:141
19736993226,4cyclictest25-21ksoftirqd/119:25:481
19735993227,3cyclictest9-21ksoftirqd/023:10:100
19735993227,3cyclictest9-21ksoftirqd/021:35:010
19735993227,3cyclictest9-21ksoftirqd/020:41:010
19735993227,3cyclictest9-21ksoftirqd/020:15:050
19735993226,4cyclictest9-21ksoftirqd/023:40:490
19735993226,4cyclictest9-21ksoftirqd/023:23:440
19735993226,4cyclictest9-21ksoftirqd/022:41:240
19735993226,4cyclictest9-21ksoftirqd/021:42:230
19735993226,4cyclictest9-21ksoftirqd/020:11:400
19735993226,4cyclictest9-21ksoftirqd/020:11:400
19735993226,4cyclictest9-21ksoftirqd/000:07:040
19738993126,3cyclictest41-21ksoftirqd/323:36:553
19737993126,3cyclictest33-21ksoftirqd/223:56:122
19737993126,3cyclictest33-21ksoftirqd/221:23:432
19737993125,4cyclictest33-21ksoftirqd/222:04:232
19736993126,3cyclictest25-21ksoftirqd/121:19:011
19736993126,3cyclictest25-21ksoftirqd/121:19:011
19736993126,3cyclictest25-21ksoftirqd/119:51:191
19736993126,3cyclictest25-21ksoftirqd/119:30:371
19736993126,3cyclictest25-21ksoftirqd/100:28:461
19736993125,4cyclictest25-21ksoftirqd/122:31:051
19736993125,4cyclictest25-21ksoftirqd/122:27:531
19736993125,4cyclictest25-21ksoftirqd/119:18:351
19736993125,4cyclictest25-21ksoftirqd/100:09:151
19736993124,4cyclictest25-21ksoftirqd/123:00:001
19735993129,1cyclictest0-21swapper/019:10:010
19735993126,3cyclictest9-21ksoftirqd/023:55:420
19735993126,3cyclictest9-21ksoftirqd/021:08:210
19735993126,3cyclictest9-21ksoftirqd/019:31:090
19735993126,3cyclictest9-21ksoftirqd/000:04:160
19735993125,4cyclictest9-21ksoftirqd/023:48:030
19735993125,4cyclictest9-21ksoftirqd/019:16:200
19738993025,3cyclictest41-21ksoftirqd/300:20:193
19737993025,3cyclictest33-21ksoftirqd/222:30:492
19737993025,3cyclictest33-21ksoftirqd/219:49:342
19737993025,3cyclictest33-21ksoftirqd/219:22:042
19737993024,4cyclictest33-21ksoftirqd/220:33:002
19737993024,4cyclictest33-21ksoftirqd/219:55:502
19736993025,3cyclictest25-21ksoftirqd/123:46:231
19736993024,4cyclictest25-21ksoftirqd/122:07:111
19736993024,4cyclictest25-21ksoftirqd/120:11:491
19736993024,4cyclictest25-21ksoftirqd/120:11:491
19735993025,3cyclictest9-21ksoftirqd/023:35:360
19735993025,3cyclictest9-21ksoftirqd/022:31:390
19735993025,3cyclictest9-21ksoftirqd/019:26:100
19735993024,4cyclictest9-21ksoftirqd/021:15:510
19735993024,4cyclictest9-21ksoftirqd/021:15:510
19735993024,4cyclictest9-21ksoftirqd/019:54:230
19738992924,3cyclictest41-21ksoftirqd/300:31:233
19738992910,3cyclictest27765-21irqrtprio19:25:183
19737992924,3cyclictest33-21ksoftirqd/223:27:082
19737992924,3cyclictest33-21ksoftirqd/219:44:342
19737992923,4cyclictest33-21ksoftirqd/223:43:122
19737992923,4cyclictest33-21ksoftirqd/223:39:082
19737992923,4cyclictest33-21ksoftirqd/222:06:482
19736992924,3cyclictest25-21ksoftirqd/121:32:371
19736992924,3cyclictest25-21ksoftirqd/120:52:321
19735992924,3cyclictest9-21ksoftirqd/023:25:410
19735992924,3cyclictest9-21ksoftirqd/022:10:120
19735992923,4cyclictest9-21ksoftirqd/022:56:480
19735992923,4cyclictest9-21ksoftirqd/022:37:230
19735992923,4cyclictest9-21ksoftirqd/022:06:100
19738992823,3cyclictest41-21ksoftirqd/323:24:393
19738992823,3cyclictest41-21ksoftirqd/323:01:533
19737992823,3cyclictest33-21ksoftirqd/222:41:162
19737992823,3cyclictest33-21ksoftirqd/221:17:552
19737992823,3cyclictest33-21ksoftirqd/221:17:552
19737992823,3cyclictest33-21ksoftirqd/220:23:412
19737992823,3cyclictest33-21ksoftirqd/220:10:462
19737992823,3cyclictest33-21ksoftirqd/220:10:462
19737992822,4cyclictest33-21ksoftirqd/222:47:392
19737992822,4cyclictest33-21ksoftirqd/220:18:242
19736992823,3cyclictest25-21ksoftirqd/123:26:401
19736992823,3cyclictest25-21ksoftirqd/120:28:531
19736992822,4cyclictest25-21ksoftirqd/123:10:091
19736992822,4cyclictest25-21ksoftirqd/123:05:481
19735992823,3cyclictest9-21ksoftirqd/020:01:370
19735992823,3cyclictest9-21ksoftirqd/019:47:370
19735992823,3cyclictest9-21ksoftirqd/019:43:120
19735992822,4cyclictest9-21ksoftirqd/021:02:030
19735992822,4cyclictest9-21ksoftirqd/019:57:000
19737992722,3cyclictest33-21ksoftirqd/223:18:462
19737992722,3cyclictest33-21ksoftirqd/222:50:062
19737992722,3cyclictest33-21ksoftirqd/222:22:072
19737992722,3cyclictest33-21ksoftirqd/220:39:432
19737992722,3cyclictest33-21ksoftirqd/219:37:162
19736992722,3cyclictest25-21ksoftirqd/122:17:071
19736992722,3cyclictest25-21ksoftirqd/119:11:211
19736992722,3cyclictest25-21ksoftirqd/100:23:021
19736992721,4cyclictest25-21ksoftirqd/123:54:211
19736992721,4cyclictest25-21ksoftirqd/120:38:131
19738992621,3cyclictest41-21ksoftirqd/322:57:143
19737992620,4cyclictest33-21ksoftirqd/221:25:362
19737992620,4cyclictest33-21ksoftirqd/220:46:002
19737992620,4cyclictest33-21ksoftirqd/200:06:222
19735992621,3cyclictest9-21ksoftirqd/022:49:500
19737992519,4cyclictest33-21ksoftirqd/220:05:322
19736992520,3cyclictest25-21ksoftirqd/123:19:561
19736992519,4cyclictest25-21ksoftirqd/120:59:191
19735992519,4cyclictest9-21ksoftirqd/000:10:580
19736992318,3cyclictest25-21ksoftirqd/121:51:421
19735992317,4cyclictest9-21ksoftirqd/021:11:540
19736992217,3cyclictest25-21ksoftirqd/121:09:331
19736992116,3cyclictest25-21ksoftirqd/120:43:141
19736991914,3cyclictest25-21ksoftirqd/120:33:441
19736991710,4cyclictest14639-21switchtime21:10:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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