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2026-06-12 - 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 all highest latencies:
System rackdslot4.osadl.org (updated Fri Jun 12, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205171,23phc2sys0-21swapper/319:09:163
102562203170,22sleep00-21swapper/019:09:130
101402203170,22sleep10-21swapper/119:07:431
100782203171,21sleep20-21swapper/219:06:582
1031728262,11sleep30-21swapper/319:10:023
138491660,1ptp4l401ktimersoftd/321:45:173
67562590,8sleep0101ktimersoftd/020:05:210
138491440,0ptp4l401ktimersoftd/322:12:583
138491430,0ptp4l401ktimersoftd/323:32:423
10613994338,3cyclictest41-21ksoftirqd/321:40:003
10613994236,3cyclictest41-21ksoftirqd/322:39:593
10613994236,3cyclictest41-21ksoftirqd/300:05:013
50798410,23rtkit-daemon8234-21apt-get00:30:111
138491410,0ptp4l401ktimersoftd/320:58:133
138491410,0ptp4l401ktimersoftd/320:25:483
138491400,0ptp4l401ktimersoftd/320:35:173
50798390,10rtkit-daemon0-21swapper/321:57:003
138491390,15ptp4l401ktimersoftd/321:10:283
10612993929,6cyclictest33-21ksoftirqd/221:00:112
138491380,0ptp4l401ktimersoftd/320:00:173
10612993834,3cyclictest33-21ksoftirqd/221:20:002
10611993831,4cyclictest25-21ksoftirqd/123:25:481
138491370,0ptp4l401ktimersoftd/323:17:553
1061399376,2cyclictest41-21ksoftirqd/322:25:273
10613993730,4cyclictest41-21ksoftirqd/322:48:113
10612993730,5cyclictest33-21ksoftirqd/220:54:452
10610993732,3cyclictest9-21ksoftirqd/021:20:000
10610993730,5cyclictest9-21ksoftirqd/022:39:540
138491360,0ptp4l401ktimersoftd/323:00:253
1061399365,7cyclictest41-21ksoftirqd/322:20:003
10613993632,3cyclictest41-21ksoftirqd/300:00:003
10613993631,3cyclictest41-21ksoftirqd/323:25:193
10613993631,3cyclictest41-21ksoftirqd/319:30:173
10613993631,3cyclictest41-21ksoftirqd/319:15:133
10613993631,3cyclictest327-21cron19:55:013
10613993631,2cyclictest41-21ksoftirqd/300:35:133
10613993630,3cyclictest41-21ksoftirqd/322:05:003
10613993630,3cyclictest41-21ksoftirqd/321:25:283
10613993629,5cyclictest41-21ksoftirqd/319:21:483
10612993632,3cyclictest33-21ksoftirqd/223:15:002
10612993632,3cyclictest33-21ksoftirqd/200:35:012
10612993631,3cyclictest33-21ksoftirqd/220:30:182
10612993631,3cyclictest33-21ksoftirqd/220:30:182
10612993630,4cyclictest33-21ksoftirqd/223:43:232
10612993630,4cyclictest33-21ksoftirqd/223:29:262
10612993630,4cyclictest33-21ksoftirqd/223:00:502
10612993630,4cyclictest33-21ksoftirqd/222:50:352
10612993630,4cyclictest33-21ksoftirqd/219:53:392
10612993630,4cyclictest33-21ksoftirqd/200:00:072
10612993629,4cyclictest33-21ksoftirqd/219:20:022
10612993625,9cyclictest33-21ksoftirqd/200:20:262
10611993630,4cyclictest25-21ksoftirqd/121:00:151
10611993630,4cyclictest25-21ksoftirqd/120:58:451
10611993630,4cyclictest25-21ksoftirqd/119:25:101
138491350,0ptp4l401ktimersoftd/323:54:543
138491350,0ptp4l401ktimersoftd/323:54:543
10613993530,4cyclictest41-21ksoftirqd/300:20:003
10613993530,3cyclictest41-21ksoftirqd/323:50:003
10613993529,4cyclictest41-21ksoftirqd/322:22:583
10613993529,4cyclictest41-21ksoftirqd/322:05:313
10613993529,3cyclictest41-21ksoftirqd/322:45:003
10613993529,3cyclictest41-21ksoftirqd/300:30:003
10613993528,5cyclictest41-21ksoftirqd/322:57:373
10613993528,4cyclictest41-21ksoftirqd/319:25:323
10613993522,11cyclictest41-21ksoftirqd/321:20:003
10612993530,3cyclictest33-21ksoftirqd/220:15:112
10612993530,3cyclictest33-21ksoftirqd/220:11:212
10612993530,3cyclictest33-21ksoftirqd/220:10:012
10612993530,3cyclictest19160-21sed22:40:192
10612993529,4cyclictest33-21ksoftirqd/223:55:382
10612993529,4cyclictest33-21ksoftirqd/219:37:042
10612993529,4cyclictest33-21ksoftirqd/219:37:042
10611993529,4cyclictest25-21ksoftirqd/122:30:361
10611993529,4cyclictest25-21ksoftirqd/100:27:381
10611993529,4cyclictest25-21ksoftirqd/100:19:281
10610993530,3cyclictest9-21ksoftirqd/000:10:320
10610993529,4cyclictest9-21ksoftirqd/022:45:080
10610993529,4cyclictest9-21ksoftirqd/021:53:160
10610993529,4cyclictest9-21ksoftirqd/020:19:540
10613993430,2cyclictest41-21ksoftirqd/323:20:183
10613993430,2cyclictest41-21ksoftirqd/323:20:183
10613993430,2cyclictest41-21ksoftirqd/321:40:263
10613993430,2cyclictest41-21ksoftirqd/319:45:253
10613993429,3cyclictest41-21ksoftirqd/321:35:003
10613993429,3cyclictest41-21ksoftirqd/320:45:183
10613993429,3cyclictest41-21ksoftirqd/300:10:003
10613993428,4cyclictest41-21ksoftirqd/323:35:573
10613993428,4cyclictest41-21ksoftirqd/300:11:043
10612993430,2cyclictest33-21ksoftirqd/221:55:002
10612993429,3cyclictest33-21ksoftirqd/222:34:162
10612993429,3cyclictest33-21ksoftirqd/222:05:192
10612993429,3cyclictest33-21ksoftirqd/221:38:322
10612993429,3cyclictest33-21ksoftirqd/220:48:042
10612993428,4cyclictest33-21ksoftirqd/223:50:372
10612993428,4cyclictest33-21ksoftirqd/223:50:372
10612993428,4cyclictest33-21ksoftirqd/222:45:102
10612993428,4cyclictest33-21ksoftirqd/219:46:052
10612993428,4cyclictest33-21ksoftirqd/219:33:312
10612993428,4cyclictest33-21ksoftirqd/200:18:452
10611993428,4cyclictest25-21ksoftirqd/123:05:351
10611993428,4cyclictest25-21ksoftirqd/122:47:411
10611993428,4cyclictest25-21ksoftirqd/121:12:421
10611993428,4cyclictest25-21ksoftirqd/120:53:441
10611993428,4cyclictest25-21ksoftirqd/120:32:431
10611993428,4cyclictest25-21ksoftirqd/120:32:421
10611993427,4cyclictest25-21ksoftirqd/120:35:351
10610993428,4cyclictest9-21ksoftirqd/023:10:100
10610993428,4cyclictest9-21ksoftirqd/022:07:290
10610993428,4cyclictest9-21ksoftirqd/019:46:350
10610993428,4cyclictest9-21ksoftirqd/019:33:330
10610993428,4cyclictest9-21ksoftirqd/000:34:480
10610993428,4cyclictest9-21ksoftirqd/000:03:470
10610993427,5cyclictest9-21ksoftirqd/022:26:100
10613993329,2cyclictest41-21ksoftirqd/320:30:193
10613993329,2cyclictest41-21ksoftirqd/320:30:183
10613993329,2cyclictest41-21ksoftirqd/319:35:133
10613993329,2cyclictest41-21ksoftirqd/319:35:133
10613993327,4cyclictest41-21ksoftirqd/322:51:533
10613993327,4cyclictest41-21ksoftirqd/320:05:443
10613993327,3cyclictest41-21ksoftirqd/323:15:003
10613993327,3cyclictest41-21ksoftirqd/320:50:173
10612993328,3cyclictest33-21ksoftirqd/221:30:112
10612993328,3cyclictest33-21ksoftirqd/221:20:502
10612993327,4cyclictest33-21ksoftirqd/223:39:172
10612993327,4cyclictest33-21ksoftirqd/223:17:592
10612993327,4cyclictest33-21ksoftirqd/222:18:142
10612993327,4cyclictest33-21ksoftirqd/219:59:412
10612993327,4cyclictest33-21ksoftirqd/219:28:332
10612993327,4cyclictest33-21ksoftirqd/219:12:152
10612993327,4cyclictest33-21ksoftirqd/200:11:592
10612993326,4cyclictest33-21ksoftirqd/221:55:312
10611993328,3cyclictest25-21ksoftirqd/123:50:001
10611993328,3cyclictest25-21ksoftirqd/119:40:571
10611993327,4cyclictest25-21ksoftirqd/123:41:331
10611993327,4cyclictest25-21ksoftirqd/123:22:071
10611993327,4cyclictest25-21ksoftirqd/123:22:071
10611993327,4cyclictest25-21ksoftirqd/123:01:291
10611993327,4cyclictest25-21ksoftirqd/121:49:561
10611993327,4cyclictest25-21ksoftirqd/119:15:191
10611993327,4cyclictest25-21ksoftirqd/100:01:311
10611993326,5cyclictest25-21ksoftirqd/121:42:581
10610993328,3cyclictest9-21ksoftirqd/021:07:550
10610993327,4cyclictest9-21ksoftirqd/023:36:270
10610993327,4cyclictest9-21ksoftirqd/023:26:440
10610993327,4cyclictest9-21ksoftirqd/021:31:030
10610993327,4cyclictest9-21ksoftirqd/020:46:380
10610993327,4cyclictest9-21ksoftirqd/020:38:060
10610993327,4cyclictest9-21ksoftirqd/019:24:590
10610993324,5cyclictest30814-21apt-get23:05:110
1061399326,3cyclictest41-21ksoftirqd/321:05:213
1061399323,3cyclictest41-21ksoftirqd/321:00:233
10613993227,3cyclictest41-21ksoftirqd/321:50:133
10613993226,4cyclictest41-21ksoftirqd/323:40:263
10613993226,4cyclictest41-21ksoftirqd/320:23:493
10613993226,3cyclictest41-21ksoftirqd/320:20:003
10613993223,6cyclictest41-21ksoftirqd/300:24:593
10612993228,3cyclictest33-21ksoftirqd/222:25:442
10612993228,3cyclictest33-21ksoftirqd/222:05:002
10612993227,3cyclictest33-21ksoftirqd/222:22:012
10612993226,4cyclictest33-21ksoftirqd/223:45:312
10612993226,4cyclictest33-21ksoftirqd/223:30:512
10612993226,4cyclictest33-21ksoftirqd/221:13:192
10612993226,4cyclictest33-21ksoftirqd/220:36:322
10612993226,4cyclictest33-21ksoftirqd/219:42:242
10611993227,3cyclictest25-21ksoftirqd/122:25:051
10611993227,3cyclictest25-21ksoftirqd/122:10:001
10611993227,3cyclictest25-21ksoftirqd/121:40:001
10611993226,4cyclictest25-21ksoftirqd/122:21:261
10611993226,4cyclictest25-21ksoftirqd/121:59:361
10611993226,4cyclictest25-21ksoftirqd/120:29:531
10611993225,4cyclictest25-21ksoftirqd/121:23:291
10611993225,4cyclictest25-21ksoftirqd/119:57:201
10610993227,3cyclictest9-21ksoftirqd/022:18:480
10610993227,3cyclictest9-21ksoftirqd/022:01:430
10610993227,3cyclictest9-21ksoftirqd/021:45:130
10610993226,4cyclictest9-21ksoftirqd/023:58:170
10610993226,4cyclictest9-21ksoftirqd/023:52:030
10610993226,4cyclictest9-21ksoftirqd/023:52:030
10610993226,4cyclictest9-21ksoftirqd/023:21:590
10610993226,4cyclictest9-21ksoftirqd/023:21:580
10610993226,4cyclictest9-21ksoftirqd/021:02:260
10610993226,4cyclictest9-21ksoftirqd/019:51:330
10613993127,3cyclictest41-21ksoftirqd/319:45:003
10613993126,3cyclictest41-21ksoftirqd/320:40:253
10613993126,3cyclictest41-21ksoftirqd/300:30:123
10613993125,4cyclictest41-21ksoftirqd/322:32:393
10613993125,4cyclictest41-21ksoftirqd/320:10:533
10612993127,3cyclictest33-21ksoftirqd/200:35:212
10612993126,3cyclictest33-21ksoftirqd/223:20:182
10612993126,3cyclictest33-21ksoftirqd/223:20:182
10612993126,3cyclictest33-21ksoftirqd/221:40:182
10612993126,3cyclictest33-21ksoftirqd/220:21:322
10612993126,2cyclictest33-21ksoftirqd/200:25:182
10612993125,4cyclictest33-21ksoftirqd/220:59:552
10612993125,4cyclictest33-21ksoftirqd/220:41:592
10612993125,4cyclictest33-21ksoftirqd/220:02:582
10612993119,10cyclictest33-21ksoftirqd/219:15:192
10612993119,10cyclictest33-21ksoftirqd/200:05:272
10611993126,3cyclictest25-21ksoftirqd/123:14:521
10611993126,3cyclictest25-21ksoftirqd/121:31:191
10611993126,3cyclictest25-21ksoftirqd/120:24:271
10611993125,4cyclictest25-21ksoftirqd/119:35:571
10611993125,4cyclictest25-21ksoftirqd/119:35:571
10611993125,4cyclictest25-21ksoftirqd/119:32:081
10611993125,4cyclictest25-21ksoftirqd/100:22:011
10611993125,4cyclictest25-21ksoftirqd/100:06:401
10611993124,5cyclictest25-21ksoftirqd/122:44:241
10611993124,4cyclictest25-21ksoftirqd/120:48:381
10610993126,3cyclictest9-21ksoftirqd/021:43:540
10610993126,3cyclictest9-21ksoftirqd/019:55:090
10610993126,3cyclictest9-21ksoftirqd/000:27:130
10610993126,3cyclictest9-21ksoftirqd/000:24:290
10610993125,4cyclictest9-21ksoftirqd/022:24:130
10610993125,4cyclictest9-21ksoftirqd/000:09:350
10610993124,5cyclictest9-21ksoftirqd/023:32:290
10610993124,5cyclictest9-21ksoftirqd/020:03:160
10613993027,2cyclictest41-21ksoftirqd/321:20:173
10612993025,3cyclictest33-21ksoftirqd/223:10:012
10612993025,3cyclictest33-21ksoftirqd/222:38:052
10612993025,3cyclictest33-21ksoftirqd/221:28:342
10612993024,4cyclictest33-21ksoftirqd/222:59:502
10611993026,3cyclictest25-21ksoftirqd/122:37:251
10611993025,3cyclictest25-21ksoftirqd/122:50:121
10611993025,3cyclictest25-21ksoftirqd/121:30:001
10611993025,3cyclictest25-21ksoftirqd/120:42:131
10611993025,3cyclictest25-21ksoftirqd/100:10:321
10611993024,4cyclictest25-21ksoftirqd/123:54:091
10611993024,4cyclictest25-21ksoftirqd/123:54:091
10611993024,4cyclictest25-21ksoftirqd/121:16:231
10611993024,4cyclictest25-21ksoftirqd/120:18:501
10611993024,4cyclictest25-21ksoftirqd/119:24:311
10611993024,4cyclictest25-21ksoftirqd/119:11:551
10611993023,4cyclictest25-21ksoftirqd/119:53:111
10610993025,3cyclictest9-21ksoftirqd/022:41:390
10610993025,3cyclictest9-21ksoftirqd/019:15:540
10610993025,3cyclictest9-21ksoftirqd/000:37:120
10610993024,4cyclictest9-21ksoftirqd/023:00:360
10610993024,4cyclictest9-21ksoftirqd/021:12:450
10610993024,4cyclictest9-21ksoftirqd/019:44:040
10610993024,4cyclictest9-21ksoftirqd/019:36:540
10610993024,4cyclictest9-21ksoftirqd/019:36:540
10610993024,4cyclictest9-21ksoftirqd/019:13:020
10610993024,4cyclictest9-21ksoftirqd/000:19:310
10613992923,4cyclictest41-21ksoftirqd/323:09:103
10612992923,4cyclictest33-21ksoftirqd/220:25:222
10611992921,4cyclictest25-21ksoftirqd/120:05:181
10611992918,10cyclictest0-21swapper/122:19:541
10610992923,4cyclictest9-21ksoftirqd/022:52:420
10610992923,4cyclictest9-21ksoftirqd/022:32:360
10610992923,4cyclictest9-21ksoftirqd/021:56:050
10610992923,4cyclictest9-21ksoftirqd/021:23:560
138491280,10ptp4l0-21swapper/319:59:523
10612992823,3cyclictest33-21ksoftirqd/222:10:532
10612992822,4cyclictest33-21ksoftirqd/221:06:252
10611992823,3cyclictest25-21ksoftirqd/122:57:191
10611992823,3cyclictest25-21ksoftirqd/120:01:051
10611992823,3cyclictest25-21ksoftirqd/119:47:031
10611992822,4cyclictest25-21ksoftirqd/123:33:431
10611992822,4cyclictest25-21ksoftirqd/121:09:091
10611992822,3cyclictest25-21ksoftirqd/120:10:111
10610992823,3cyclictest9-21ksoftirqd/021:28:530
10610992823,3cyclictest9-21ksoftirqd/020:54:290
10610992822,4cyclictest9-21ksoftirqd/023:42:000
10610992822,4cyclictest9-21ksoftirqd/023:15:360
10610992822,4cyclictest9-21ksoftirqd/022:56:190
10612992717,9cyclictest33-21ksoftirqd/221:45:222
10611992722,3cyclictest25-21ksoftirqd/100:40:001
1061199270,26cyclictest0-21swapper/121:52:141
10610992720,5cyclictest9-21ksoftirqd/021:35:520
10611992621,3cyclictest25-21ksoftirqd/122:13:341
10611992620,4cyclictest25-21ksoftirqd/123:18:091
10611992619,5cyclictest25-21ksoftirqd/123:59:541
10611992619,5cyclictest25-21ksoftirqd/123:37:481
10610992621,3cyclictest9-21ksoftirqd/022:10:080
10610992621,3cyclictest9-21ksoftirqd/020:56:520
10610992621,3cyclictest9-21ksoftirqd/020:10:240
10610992520,3cyclictest9-21ksoftirqd/023:46:520
10611992419,3cyclictest25-21ksoftirqd/122:04:031
10610992318,3cyclictest9-21ksoftirqd/020:20:340
10610992115,4cyclictest9-21ksoftirqd/020:41:200
10610991914,3cyclictest18538-21hwlatdetect20:30:160
10610991914,3cyclictest18538-21hwlatdetect20:30:160
10610991813,3cyclictest18224-21/usr/sbin/munin19:25:110
10610991712,3cyclictest16731-21open_files20:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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