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2026-09-23 - 20:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Wed Sep 23, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59021670,4sleep31651599cyclictest14:23:023
1068911030,4ptp4l401ktimersoftd/309:46:043
106891800,10ptp4l401ktimersoftd/311:57:533
16504997265,4cyclictest25-21ksoftirqd/112:22:501
106891710,1ptp4l401ktimersoftd/313:58:553
106891690,1ptp4l401ktimersoftd/314:20:353
106891690,1ptp4l401ktimersoftd/312:22:243
106891690,1ptp4l401ktimersoftd/312:22:243
106891680,1ptp4l401ktimersoftd/312:51:473
189902660,5sleep341-21ksoftirqd/315:16:143
161992664,10sleep00-21swapper/009:45:000
226782650,4sleep09-21ksoftirqd/014:46:200
16504996454,6cyclictest25-21ksoftirqd/113:12:521
16504996251,6cyclictest25-21ksoftirqd/112:37:521
16504996148,7cyclictest25-21ksoftirqd/113:32:531
29942600,2sleep00-21swapper/012:45:110
16504996049,4cyclictest25-21ksoftirqd/115:12:541
106891600,1ptp4l401ktimersoftd/310:18:053
106891580,1ptp4l401ktimersoftd/314:39:593
106891570,1ptp4l401ktimersoftd/314:11:203
106891570,1ptp4l401ktimersoftd/314:11:203
106891570,1ptp4l401ktimersoftd/313:48:423
106891570,1ptp4l401ktimersoftd/313:43:243
106891570,1ptp4l401ktimersoftd/312:35:273
16504995644,6cyclictest25-21ksoftirqd/109:47:471
106891560,1ptp4l401ktimersoftd/312:25:303
106891550,1ptp4l401ktimersoftd/315:04:073
106891550,1ptp4l401ktimersoftd/314:49:593
230812530,2sleep10-21swapper/109:57:541
16504995343,4cyclictest25-21ksoftirqd/113:02:521
135692530,2sleep20-21swapper/212:22:572
1651099529,7cyclictest33-21ksoftirqd/213:57:062
16510995221,9cyclictest33-21ksoftirqd/211:52:562
145082520,2sleep00-21swapper/013:29:110
106891520,1ptp4l401ktimersoftd/314:13:333
1651099508,7cyclictest33-21ksoftirqd/213:22:562
16504995039,5cyclictest25-21ksoftirqd/112:02:501
16504995028,6cyclictest25-21ksoftirqd/113:48:151
16510994924,14cyclictest47150irq/102-ens3-Tx12:57:532
16510994919,10cyclictest33-21ksoftirqd/213:32:102
310462480,1sleep20-21swapper/213:13:032
16510994819,9cyclictest33-21ksoftirqd/214:30:052
1651099477,7cyclictest33-21ksoftirqd/214:48:152
1651099477,6cyclictest33-21ksoftirqd/214:36:162
16504994737,4cyclictest25-21ksoftirqd/109:52:471
1651099467,7cyclictest33-21ksoftirqd/211:51:232
1651099466,7cyclictest33-21ksoftirqd/211:57:532
16510994620,9cyclictest33-21ksoftirqd/213:33:002
177432450,1sleep10-21swapper/111:54:011
1651099452,8cyclictest27470-21sed13:43:082
16510994518,17cyclictest33-21ksoftirqd/212:07:582
16510994515,11cyclictest33-21ksoftirqd/210:03:042
1651099448,14cyclictest33-21ksoftirqd/210:32:502
1651099448,14cyclictest33-21ksoftirqd/210:32:502
16510994421,9cyclictest33-21ksoftirqd/214:22:592
16510994420,9cyclictest33-21ksoftirqd/210:18:042
16504994425,8cyclictest25-21ksoftirqd/114:57:431
16504994421,3cyclictest25-21ksoftirqd/111:38:011
16504994419,4cyclictest25-21ksoftirqd/114:26:091
1651099437,5cyclictest33-21ksoftirqd/211:21:002
1651099434,6cyclictest321ktimersoftd/212:27:562
16510994339,2cyclictest311rcuc/215:02:432
16510994321,9cyclictest33-21ksoftirqd/210:42:572
16510994320,9cyclictest33-21ksoftirqd/214:44:362
16510994320,10cyclictest33-21ksoftirqd/213:18:082
16510994320,10cyclictest33-21ksoftirqd/212:12:582
1651099431,8cyclictest2657-21irqrtprio10:22:552
16510994310,5cyclictest33-21ksoftirqd/210:01:552
16504994335,4cyclictest25-21ksoftirqd/111:57:431
106891430,14ptp4l7493-21kworker/3:214:55:133
1651099428,5cyclictest33-21ksoftirqd/209:52:112
1651099427,7cyclictest33-21ksoftirqd/214:38:222
1651099426,9cyclictest33-21ksoftirqd/213:05:162
16510994219,9cyclictest33-21ksoftirqd/210:52:372
1651099420,8cyclictest321ktimersoftd/211:32:572
1651099420,7cyclictest7130-21ssh12:48:532
16504994224,3cyclictest25-21ksoftirqd/110:23:051
106891420,1ptp4l401ktimersoftd/314:45:053
1651099416,7cyclictest33-21ksoftirqd/214:53:112
1651099414,6cyclictest33-21ksoftirqd/214:14:142
1651099413,6cyclictest33-21ksoftirqd/214:09:402
1651099413,6cyclictest33-21ksoftirqd/214:09:402
16510994122,10cyclictest33-21ksoftirqd/210:57:512
16510994119,9cyclictest33-21ksoftirqd/213:08:132
16504994122,3cyclictest25-21ksoftirqd/113:43:091
16504994116,4cyclictest25-21ksoftirqd/114:17:581
1651099406,5cyclictest33-21ksoftirqd/209:55:202
1651099403,6cyclictest33-21ksoftirqd/214:05:282
1651099403,6cyclictest33-21ksoftirqd/214:05:282
1651099403,5cyclictest33-21ksoftirqd/213:49:532
1651099402,6cyclictest33-21ksoftirqd/212:06:492
16510994021,10cyclictest33-21ksoftirqd/212:47:402
16510994019,10cyclictest33-21ksoftirqd/212:52:492
16510994017,9cyclictest33-21ksoftirqd/215:12:302
16504994026,10cyclictest25-21ksoftirqd/112:17:551
16504994026,10cyclictest25-21ksoftirqd/112:17:551
106891400,1ptp4l401ktimersoftd/314:58:513
106891400,1ptp4l401ktimersoftd/313:29:423
1651099396,5cyclictest33-21ksoftirqd/215:03:022
1651099395,7cyclictest33-21ksoftirqd/214:02:362
16510993935,2cyclictest311rcuc/215:16:572
16504993932,3cyclictest25-21ksoftirqd/114:17:411
16504993926,5cyclictest25-21ksoftirqd/112:52:581
16504993915,4cyclictest25-21ksoftirqd/113:58:021
106891390,1ptp4l401ktimersoftd/312:57:213
106891390,1ptp4l401ktimersoftd/312:09:573
16515993831,4cyclictest7695-21idleruntime-cro11:42:383
1651099385,6cyclictest0-21swapper/211:43:012
1651099383,7cyclictest33-21ksoftirqd/212:19:102
1651099383,7cyclictest33-21ksoftirqd/212:19:102
1651099383,5cyclictest33-21ksoftirqd/213:38:392
16510993815,9cyclictest33-21ksoftirqd/211:02:542
16504993828,3cyclictest25-21ksoftirqd/114:08:091
16504993828,3cyclictest25-21ksoftirqd/114:08:091
16504993828,3cyclictest25-21ksoftirqd/111:27:381
16504993827,3cyclictest25-21ksoftirqd/113:08:131
16504993822,3cyclictest25-21ksoftirqd/110:37:571
16504993815,4cyclictest25-21ksoftirqd/114:03:281
16504993815,4cyclictest25-21ksoftirqd/114:03:281
16504993812,10cyclictest25-21ksoftirqd/112:47:401
106891380,4ptp4l401ktimersoftd/312:28:423
106891380,2ptp4l7493-21kworker/3:213:25:223
106891380,1ptp4l401ktimersoftd/314:34:203
106891380,1ptp4l401ktimersoftd/313:53:303
106891380,1ptp4l401ktimersoftd/313:15:433
106891380,1ptp4l401ktimersoftd/313:06:483
106891380,1ptp4l401ktimersoftd/312:39:143
106891380,0ptp4l401ktimersoftd/310:35:213
106891380,0ptp4l401ktimersoftd/310:35:213
1651099375,3cyclictest33-21ksoftirqd/210:30:322
1651099373,6cyclictest33-21ksoftirqd/212:41:232
1650499375,9cyclictest25-21ksoftirqd/114:32:421
1650499374,4cyclictest25-21ksoftirqd/110:47:491
16504993724,10cyclictest25-21ksoftirqd/113:38:081
16504993715,7cyclictest25-21ksoftirqd/111:12:371
16504993714,4cyclictest25-21ksoftirqd/111:18:071
16504993714,4cyclictest25-21ksoftirqd/111:07:371
16504993713,5cyclictest25-21ksoftirqd/110:42:591
16504993713,4cyclictest25-21ksoftirqd/114:32:431
16504993712,4cyclictest25-21ksoftirqd/112:47:581
16504993711,4cyclictest25-21ksoftirqd/113:28:031
106891370,1ptp4l401ktimersoftd/313:18:103
106891370,1ptp4l401ktimersoftd/312:58:073
106891370,1ptp4l401ktimersoftd/312:43:163
106891370,1ptp4l401ktimersoftd/312:16:213
106891370,1ptp4l401ktimersoftd/311:54:223
106891370,1ptp4l401ktimersoftd/310:15:523
1651099366,7cyclictest33-21ksoftirqd/211:27:542
16510993632,2cyclictest311rcuc/210:52:592
16510993630,3cyclictest311rcuc/211:10:152
1651099360,6cyclictest321ktimersoftd/214:18:062
16504993629,4cyclictest25-21ksoftirqd/114:52:421
16504993623,3cyclictest25-21ksoftirqd/112:13:081
1650499361,5cyclictest8652-21ssh15:04:541
16504993614,4cyclictest25-21ksoftirqd/110:53:051
16504993614,3cyclictest25-21ksoftirqd/112:10:201
16504993610,4cyclictest25-21ksoftirqd/115:12:441
1650499360,3cyclictest121rcu_preempt13:18:061
1624523614,11sleep233-21ksoftirqd/209:45:352
1615523615,9sleep10-21swapper/109:44:251
106891360,1ptp4l401ktimersoftd/315:07:533
106891360,1ptp4l401ktimersoftd/314:02:523
106891360,1ptp4l401ktimersoftd/314:02:523
106891360,1ptp4l401ktimersoftd/312:05:523
106891360,1ptp4l401ktimersoftd/310:57:533
1651099356,7cyclictest33-21ksoftirqd/212:35:392
1651099353,6cyclictest33-21ksoftirqd/210:07:512
1650499355,9cyclictest25-21ksoftirqd/114:42:421
16504993529,3cyclictest25-21ksoftirqd/111:12:591
16504993528,4cyclictest25-21ksoftirqd/110:12:361
16504993528,3cyclictest25-21ksoftirqd/113:02:401
106891350,2ptp4l32760-21kworker/3:011:37:003
106891350,1ptp4l401ktimersoftd/313:09:283
16510993430,2cyclictest311rcuc/211:14:172
16504993428,3cyclictest25-21ksoftirqd/113:53:081
16504993427,3cyclictest25-21ksoftirqd/112:32:511
16504993426,5cyclictest25-21ksoftirqd/112:28:031
16504993426,4cyclictest25-21ksoftirqd/110:02:401
16504993425,4cyclictest25-21ksoftirqd/110:27:481
1650499341,4cyclictest25-21ksoftirqd/114:43:021
16504993410,4cyclictest25-21ksoftirqd/110:12:561
1650499340,3cyclictest121rcu_preempt11:37:391
106891340,1ptp4l401ktimersoftd/313:34:153
106891340,1ptp4l401ktimersoftd/310:42:543
1651099336,6cyclictest6758-21/usr/sbin/munin11:37:592
16504993327,3cyclictest25-21ksoftirqd/110:57:521
16504993324,3cyclictest25-21ksoftirqd/111:43:001
16504993322,4cyclictest25-21ksoftirqd/115:02:041
16504993320,10cyclictest25-21ksoftirqd/113:23:081
106891330,1ptp4l401ktimersoftd/314:29:033
106891330,1ptp4l401ktimersoftd/311:48:143
106891330,1ptp4l401ktimersoftd/310:49:313
1651099324,8cyclictest33-21ksoftirqd/210:12:502
16504993226,3cyclictest25-21ksoftirqd/111:47:501
16504993226,3cyclictest25-21ksoftirqd/110:37:361
16504993226,3cyclictest25-21ksoftirqd/110:37:361
16497993226,3cyclictest9-21ksoftirqd/011:37:380
106891320,1ptp4l401ktimersoftd/310:08:173
1651099314,7cyclictest33-21ksoftirqd/211:22:482
1651099313,5cyclictest33-21ksoftirqd/210:41:102
16504993125,3cyclictest25-21ksoftirqd/110:17:511
106891310,1ptp4l401ktimersoftd/311:06:073
106891310,0ptp4l401ktimersoftd/311:46:513
16504993011,7cyclictest25-21ksoftirqd/111:27:541
106891300,0ptp4l401ktimersoftd/311:12:203
106891300,0ptp4l401ktimersoftd/310:41:233
106891300,0ptp4l401ktimersoftd/310:04:183
16497992923,3cyclictest9-21ksoftirqd/013:22:540
106891290,1ptp4l401ktimersoftd/311:25:053
16515992823,3cyclictest41-21ksoftirqd/311:17:573
106891280,1ptp4l401ktimersoftd/309:54:523
2258322719,3sleep341-21ksoftirqd/313:38:073
16515992721,3cyclictest41-21ksoftirqd/310:52:483
1649799275,14cyclictest14072-21ssh14:37:540
16497992722,3cyclictest9-21ksoftirqd/013:12:400
16515992620,3cyclictest41-21ksoftirqd/309:52:363
16497992620,3cyclictest9-21ksoftirqd/015:11:010
16497992620,3cyclictest9-21ksoftirqd/009:53:400
106891260,1ptp4l401ktimersoftd/311:16:243
106891260,0ptp4l401ktimersoftd/310:32:363
16497992520,3cyclictest9-21ksoftirqd/015:03:050
16497992520,3cyclictest9-21ksoftirqd/011:17:370
16497992519,3cyclictest9-21ksoftirqd/014:14:000
16497992519,3cyclictest9-21ksoftirqd/013:34:170
16497992519,3cyclictest9-21ksoftirqd/010:11:220
16497992419,3cyclictest9-21ksoftirqd/012:33:010
16497992419,3cyclictest9-21ksoftirqd/012:22:510
16497992419,3cyclictest9-21ksoftirqd/010:28:030
16497992418,3cyclictest9-21ksoftirqd/012:28:010
16497992418,3cyclictest9-21ksoftirqd/010:01:150
16497992417,4cyclictest9-21ksoftirqd/010:13:070
106891240,1ptp4l401ktimersoftd/311:28:063
106891240,1ptp4l401ktimersoftd/310:22:593
106891240,1ptp4l401ktimersoftd/310:02:353
396922316,3sleep09-21ksoftirqd/015:00:060
168322230,18sleep00-21swapper/011:53:050
16497992318,3cyclictest9-21ksoftirqd/014:28:140
16497992318,3cyclictest9-21ksoftirqd/011:32:380
16497992318,3cyclictest9-21ksoftirqd/011:26:110
16497992318,3cyclictest9-21ksoftirqd/010:47:550
16497992317,3cyclictest9-21ksoftirqd/012:52:580
16497992316,4cyclictest9-21ksoftirqd/011:19:070
1649799223,11cyclictest46950irq/100-ens3-Tx11:47:520
16497992217,3cyclictest23737-1kworker/u9:114:18:000
16497992216,3cyclictest9-21ksoftirqd/012:04:160
16497992216,3cyclictest9-21ksoftirqd/009:52:350
16497992215,4cyclictest9-21ksoftirqd/010:59:560
16497992215,4cyclictest9-21ksoftirqd/010:42:340
16497992215,4cyclictest9-21ksoftirqd/010:26:120
16497992215,4cyclictest20804-21df11:57:530
16497992215,4cyclictest1055-21runrttasks11:02:490
16497992214,4cyclictest32179-21sendmail_mailtr13:48:090
1649799219,4cyclictest5954-21fschecks_count11:37:540
16497992115,3cyclictest9-21ksoftirqd/015:17:420
16497992115,3cyclictest30254-21sed13:12:570
16497992115,3cyclictest22922-21sh13:05:460
16497992114,4cyclictest9394-21switchtime13:58:080
16497992114,4cyclictest9-21ksoftirqd/010:55:060
16497992114,4cyclictest7988-21timedrift10:33:040
16497992114,4cyclictest7988-21timedrift10:33:040
16497992114,4cyclictest25015-21df_inode10:02:490
1649799211,17cyclictest3476-21sed12:12:560
16497992014,4cyclictest25102-1kworker/u9:013:45:060
16497992014,3cyclictest9-21ksoftirqd/012:58:000
16497992014,3cyclictest9-21ksoftirqd/010:18:250
16497992014,3cyclictest8339-21cut11:42:540
16497992014,3cyclictest31071-21sh12:41:070
16497992014,3cyclictest25379-21sh13:42:240
16497992014,3cyclictest14064-21mailstats14:03:040
16497992014,3cyclictest14064-21mailstats14:03:040
16497992014,3cyclictest11874-21sh14:34:350
16497992013,4cyclictest23314-21/usr/sbin/munin11:07:550
16497992013,4cyclictest11458-21expr10:42:520
16497992013,4cyclictest10075-21diskmemload13:19:540
16497992013,4cyclictest10075-21diskmemload12:51:030
16497991914,3cyclictest9-21ksoftirqd/013:53:120
16497991913,3cyclictest28786-21grep14:52:560
16497991913,3cyclictest17580-21wc14:07:570
16497991913,3cyclictest17580-21wc14:07:570
16497991913,3cyclictest10075-21diskmemload12:07:500
16497991912,4cyclictest32741-21sed14:23:000
16497991912,4cyclictest24013-21grep14:48:000
16497991912,4cyclictest10075-21diskmemload12:19:440
16497991912,4cyclictest10075-21diskmemload12:19:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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