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2026-05-15 - 22:09
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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 all highest latencies:
System rack0slot2.osadl.org (updated Fri May 15, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25153582980,1sleep72515361-21kthreadcore11:23:217
194277827243,8sleep40-21swapper/407:06:204
19563402640,1sleep60-21swapper/607:13:026
1943208995350,2cyclictest1942948-21kworker/u16:3+flush-8:007:48:135
1943208995250,2cyclictest2300262-21kworker/u16:3+events_unbound09:58:145
1943208995148,2cyclictest1994671-21kworker/u16:0+flush-8:007:58:135
1943208995048,2cyclictest2287809-21kworker/u16:2+events_unbound10:18:295
1943208994947,2cyclictest2471701-21kworker/u16:2+events_unbound11:13:205
1943208994947,2cyclictest2287809-21kworker/u16:2+events_unbound10:08:315
1943208994946,2cyclictest2300262-21kworker/u16:3+events_unbound10:42:595
1943208994846,2cyclictest2287809-21kworker/u16:2+flush-8:010:13:275
1943208994744,2cyclictest2050234-21kworker/u16:1+events_unbound08:38:125
1943213994641,4cyclictest2496231-21latency_hist11:17:587
1943208994644,2cyclictest2110695-21kworker/u16:2+events_unbound09:18:305
1943208994643,2cyclictest2630309-21kworker/u16:0+events_unbound12:18:135
1943208994643,2cyclictest2110695-21kworker/u16:2+events_unbound09:33:275
1943208994643,2cyclictest1994671-21kworker/u16:0+flush-8:008:43:145
19417852453,34sleep70-21swapper/707:03:267
1943208994442,2cyclictest2484035-21kworker/u16:1+events_unbound11:23:205
1943208994442,2cyclictest2110695-21kworker/u16:2+events_unbound08:53:115
1943208994341,2cyclictest2583315-21kworker/u16:3+events_unbound12:33:125
1943208994341,2cyclictest2110695-21kworker/u16:2+flush-8:008:48:255
1943208994341,2cyclictest2004718-21kworker/u16:4+events_unbound08:03:135
194279724333,7sleep50-21swapper/507:06:375
1943208994240,2cyclictest2300262-21kworker/u16:3+events_unbound10:57:585
1943208994240,2cyclictest2300262-21kworker/u16:3+events_unbound10:29:205
1943213994140,0cyclictest0-21swapper/709:03:267
1943213994140,0cyclictest0-21swapper/709:03:267
1943208994139,2cyclictest2583315-21kworker/u16:3+events_unbound12:09:045
1943208994139,2cyclictest2567146-21kworker/u16:0+events_unbound11:48:295
1943208994139,2cyclictest2567146-21kworker/u16:0+events_unbound11:48:295
1943208994139,2cyclictest2004718-21kworker/u16:4+flush-8:007:43:275
1943208994038,2cyclictest2300262-21kworker/u16:3+flush-8:010:23:285
1943208994038,2cyclictest1879246-21kworker/u16:1+events_unbound07:28:245
1943208993937,2cyclictest2471701-21kworker/u16:2+events_unbound11:59:125
1943203993936,2cyclictest2655614-21kworker/u16:2+flush-8:012:32:574
1943203993936,2cyclictest2655614-21kworker/u16:2+flush-8:012:32:574
1943213993832,5cyclictest2071945-21latency_hist08:12:587
1943208993836,2cyclictest2484035-21kworker/u16:1+events_unbound11:20:115
1943208993836,2cyclictest2386140-21kworker/u16:4+events_unbound10:50:035
1943208993836,2cyclictest2129745-21kworker/u16:3+events_unbound09:09:365
1943208993836,2cyclictest1942948-21kworker/u16:3+flush-8:007:23:145
26585302370,1chrt0-21swapper/612:23:156
1943208993735,2cyclictest2445295-21kworker/u16:0+events_unbound11:11:045
1943208993735,2cyclictest2386140-21kworker/u16:4+events_unbound10:34:525
1943208993634,2cyclictest2567146-21kworker/u16:0+events_unbound11:44:155
1943208993634,2cyclictest2272587-21kworker/u16:3+events_unbound09:43:525
1943208993634,2cyclictest2110695-21kworker/u16:2+events_unbound09:30:315
1943208993632,2cyclictest1868589-21kworker/u16:2+flush-8:007:13:275
22241582350,1sleep576-21ksoftirqd/509:23:305
1943213993529,5cyclictest2043097-21latency_hist07:57:587
1943208993533,2cyclictest2471701-21kworker/u16:2+events_unbound11:34:115
1943208993533,2cyclictest2287809-21kworker/u16:2+flush-8:009:53:395
1943208993432,2cyclictest2471701-21kworker/u16:2+flush-8:012:03:135
1943208993432,2cyclictest2386140-21kworker/u16:4+events_unbound10:41:215
1943208993432,2cyclictest2256885-21kworker/u16:0+events_unbound10:07:335
1943208993432,2cyclictest1994671-21kworker/u16:0+events_unbound09:14:255
1943208993331,2cyclictest2583315-21kworker/u16:3+events_unbound12:15:435
1943208993331,2cyclictest2529752-21kworker/u16:3+events_unbound11:38:515
1943208993331,2cyclictest2471701-21kworker/u16:2+events_unbound11:55:595
1943208993331,2cyclictest2110695-21kworker/u16:2+events_unbound09:42:125
1943208993331,2cyclictest1994671-21kworker/u16:0+events_unbound08:26:525
1943208993331,2cyclictest1994671-21kworker/u16:0+events_unbound08:26:525
1943210993230,2cyclictest2004718-21kworker/u16:4+flush-8:007:48:246
1943208993230,2cyclictest2655614-21kworker/u16:2+events_unbound12:29:475
1943208993230,2cyclictest2655614-21kworker/u16:2+events_unbound12:29:475
1943208993230,2cyclictest2655614-21kworker/u16:2+events_unbound12:24:365
1943208993230,2cyclictest2445295-21kworker/u16:0+events_unbound11:01:315
1943213993130,0cyclictest0-21swapper/708:30:047
1943213993126,4cyclictest2606292-21latency_hist12:02:587
1943208993130,1cyclictest1868589-21kworker/u16:2+events_unbound07:38:185
1943208993130,1cyclictest1868589-21kworker/u16:2+events_unbound07:38:185
1943208993129,2cyclictest2256885-21kworker/u16:0+events_unbound09:48:265
1943208993129,2cyclictest2129745-21kworker/u16:3+flush-8:009:03:275
1943208993129,2cyclictest2129745-21kworker/u16:3+flush-8:009:03:275
1943208993129,2cyclictest1994671-21kworker/u16:0+flush-8:007:33:145
1943208993129,2cyclictest1994671-21kworker/u16:0+events_unbound08:33:255
1943208993129,2cyclictest1994671-21kworker/u16:0+events_unbound08:28:265
1943203993129,2cyclictest2272587-21kworker/u16:3+flush-8:009:47:584
1943213993029,0cyclictest0-21swapper/710:35:397
1943213993029,0cyclictest0-21swapper/708:22:287
1943213993025,4cyclictest2483999-21latency_hist11:12:587
1943213993024,5cyclictest635-21systemd-journal09:17:587
1943208993028,2cyclictest2445295-21kworker/u16:0+events_unbound11:32:355
1943208993028,2cyclictest2424283-21kworker/u16:5+flush-8:011:03:395
1943208993028,2cyclictest2424283-21kworker/u16:5+flush-8:011:03:395
1943208993028,2cyclictest1994671-21kworker/u16:0+events_unbound08:19:525
25518272290,1chrt2551828-21kthreadcore11:38:207
1943213992928,0cyclictest0-21swapper/712:31:427
1943213992928,0cyclictest0-21swapper/712:31:427
1943213992928,0cyclictest0-21swapper/710:55:247
1943213992928,0cyclictest0-21swapper/709:44:377
1943213992928,0cyclictest0-21swapper/709:18:287
1943213992926,2cyclictest2013753-21unixbench-2d07:38:277
1943213992926,2cyclictest2013753-21unixbench-2d07:38:277
1943208992927,2cyclictest2129745-21kworker/u16:3+events_unbound08:58:535
1943208992927,2cyclictest1994671-21kworker/u16:0+flush-8:007:53:195
1943208992926,2cyclictest1994671-21kworker/u16:0+flush-8:008:08:035
1943213992825,2cyclictest2653019-21ssh12:19:027
1943213992824,3cyclictest2469634-21ssh11:04:177
1943213992824,3cyclictest2469634-21ssh11:04:177
1943213992823,4cyclictest2263493-21latency_hist09:42:587
1943208992826,2cyclictest2050234-21kworker/u16:1+flush-8:008:14:535
1943213992726,0cyclictest0-21swapper/711:28:437
1943213992726,0cyclictest0-21swapper/710:01:397
1943213992726,0cyclictest0-21swapper/709:34:417
1943213992726,0cyclictest0-21swapper/707:19:137
1943213992726,0cyclictest0-21swapper/707:13:567
1943213992724,2cyclictest2534071-21/usr/sbin/munin11:33:117
1943213992625,0cyclictest0-21swapper/711:50:527
1943213992625,0cyclictest0-21swapper/711:50:527
1943213992625,0cyclictest0-21swapper/707:35:117
194272222615,8sleep60-21swapper/607:05:336
1943213992524,0cyclictest0-21swapper/712:27:137
1943213992524,0cyclictest0-21swapper/711:57:137
1943213992524,0cyclictest0-21swapper/711:45:067
1943213992524,0cyclictest0-21swapper/709:24:167
1943213992524,0cyclictest0-21swapper/708:27:417
1943213992524,0cyclictest0-21swapper/708:27:417
1943213992523,1cyclictest2348501-21ssh10:16:307
1943213992423,0cyclictest0-21swapper/708:45:487
1943213992423,0cyclictest0-21swapper/707:45:207
1943213992423,0cyclictest0-21swapper/707:25:487
1943208992422,2cyclictest1879246-21kworker/u16:1+events_unbound07:20:255
1943213992322,0cyclictest0-21swapper/712:16:287
1943213992322,0cyclictest0-21swapper/711:20:507
1943213992322,0cyclictest0-21swapper/709:56:427
1943213992322,0cyclictest0-21swapper/709:08:457
1943213992322,0cyclictest0-21swapper/708:53:257
1943213992322,0cyclictest0-21swapper/708:15:487
1943213992322,0cyclictest0-21swapper/707:28:287
1943210992320,2cyclictest2287809-21kworker/u16:2+flush-8:010:23:026
25437932220,1sleep40-21swapper/411:35:454
23137372220,1chrt0-21swapper/410:03:124
1943213992221,0cyclictest0-21swapper/712:11:307
1943213992221,0cyclictest0-21swapper/709:00:277
1943213992221,0cyclictest0-21swapper/708:49:407
1943213992221,0cyclictest0-21swapper/708:40:317
1943213992221,0cyclictest0-21swapper/708:07:127
1943213992220,1cyclictest2322429-21ssh10:03:507
1943213992220,1cyclictest2033270-21runrttasks07:50:257
1943213992120,0cyclictest0-21swapper/710:59:187
1943213992120,0cyclictest0-21swapper/710:50:367
1943213992120,0cyclictest0-21swapper/708:02:157
1943213992120,0cyclictest0-21swapper/707:08:407
1943210992117,4cyclictest2287809-21kworker/u16:2+flush-8:010:07:586
1943203992120,1cyclictest2110695-21kworker/u16:2+events_unbound09:24:474
1943213992019,0cyclictest0-21swapper/712:05:337
1943208992018,2cyclictest1868589-21kworker/u16:2+events_unbound07:08:035
1943213991918,0cyclictest0-21swapper/710:38:477
1943210991917,2cyclictest1994671-21kworker/u16:0+flush-8:008:23:236
1943210991917,2cyclictest1994671-21kworker/u16:0+flush-8:008:23:236
1943213991817,0cyclictest0-21swapper/709:31:567
1943213991814,3cyclictest2285701-21sh09:49:017
194321099180,1cyclictest0-21swapper/609:22:066
1943213991716,0cyclictest0-21swapper/708:34:157
194321099170,1cyclictest0-21swapper/608:28:206
1943210991613,3cyclictest0-21swapper/611:02:316
194321099160,1cyclictest0-21swapper/611:31:046
1943213991514,0cyclictest0-21swapper/710:26:537
194321399150,13cyclictest2386099-21latency_hist10:32:587
194321099157,4cyclictest86-21ksoftirqd/611:49:436
194321099157,4cyclictest86-21ksoftirqd/611:49:436
1943203991514,1cyclictest2471701-21kworker/u16:2+flush-8:012:03:184
1943203991513,2cyclictest2216017-21kworker/u16:1+flush-8:009:28:194
1943203991511,3cyclictest2484035-21kworker/u16:1+flush-8:011:53:034
194320399150,1cyclictest0-21swapper/411:13:424
194320399150,1cyclictest0-21swapper/410:18:224
1943210991413,1cyclictest0-21swapper/612:33:396
1943210991413,1cyclictest0-21swapper/612:07:196
1943210991413,1cyclictest0-21swapper/610:38:246
1943210991413,1cyclictest0-21swapper/609:35:206
194321099140,1cyclictest0-21swapper/609:28:246
194321099140,1cyclictest0-21swapper/609:09:016
194321099140,14cyclictest0-21swapper/609:53:196
194321099140,14cyclictest0-21swapper/608:43:196
194320399140,14cyclictest0-21swapper/410:43:454
194321399139,3cyclictest1234-21snmpd10:20:117
194321399136,6cyclictest6514-21gmain10:43:277
194321399130,12cyclictest2325832-21ssh10:08:127
1943210991312,1cyclictest0-21swapper/609:15:106
1943210991310,3cyclictest0-21swapper/608:33:236
1943210991310,3cyclictest0-21swapper/608:18:246
1943203991312,1cyclictest0-21swapper/409:57:144
1943203991312,1cyclictest0-21swapper/409:17:314
1943203991312,1cyclictest0-21swapper/409:11:034
1943203991311,2cyclictest1994671-21kworker/u16:0+flush-8:008:38:154
194320399130,5cyclictest0-21swapper/410:27:574
194321399129,2cyclictest1234-21snmpd12:33:507
194321099128,4cyclictest86-21ksoftirqd/610:43:126
1943210991211,1cyclictest0-21swapper/610:15:146
1943210991211,1cyclictest0-21swapper/607:11:146
194321099120,1cyclictest991rcuop/712:08:196
194321099120,1cyclictest0-21swapper/610:29:106
194321099120,1cyclictest0-21swapper/609:41:506
194321099120,1cyclictest0-21swapper/607:23:426
194321099120,12cyclictest0-21swapper/609:49:326
1943203991211,1cyclictest0-21swapper/409:37:514
1943203991211,1cyclictest0-21swapper/407:48:544
194321099117,4cyclictest86-21ksoftirqd/610:57:456
194321099116,5cyclictest86-21ksoftirqd/612:15:036
194321099113,8cyclictest0-21swapper/610:49:096
1943210991110,1cyclictest0-21swapper/608:54:596
194321099110,9cyclictest2044289-21chrt07:58:136
194321099110,1cyclictest0-21swapper/612:21:216
194321099110,1cyclictest0-21swapper/610:08:316
194321099110,1cyclictest0-21swapper/610:01:476
194321099110,1cyclictest0-21swapper/609:45:096
194321099110,11cyclictest0-21swapper/611:11:126
194321099110,11cyclictest0-21swapper/607:39:376
194321099110,11cyclictest0-21swapper/607:39:376
1943203991110,1cyclictest0-21swapper/412:17:524
1943203991110,1cyclictest0-21swapper/410:29:054
1943203991110,1cyclictest0-21swapper/407:35:404
194320399110,11cyclictest0-21swapper/408:36:414
194320399110,11cyclictest0-21swapper/407:09:114
194320399110,0cyclictest0-21swapper/408:59:234
194321099101,4cyclictest0-21swapper/611:14:516
194321099100,9cyclictest2224354-21chrt09:23:476
194321099100,9cyclictest2043053-21chrt07:57:336
194321099100,9cyclictest0-21swapper/610:37:086
194321099100,1cyclictest0-21swapper/612:28:236
194321099100,1cyclictest0-21swapper/612:28:236
194321099100,1cyclictest0-21swapper/611:59:056
194321099100,1cyclictest0-21swapper/611:55:296
194321099100,1cyclictest0-21swapper/611:40:486
194321099100,1cyclictest0-21swapper/611:34:276
194321099100,1cyclictest0-21swapper/611:24:086
194321099100,1cyclictest0-21swapper/611:18:296
194321099100,1cyclictest0-21swapper/611:07:376
194321099100,1cyclictest0-21swapper/611:07:376
194321099100,1cyclictest0-21swapper/608:58:256
194321099100,10cyclictest0-21swapper/611:43:286
194321099100,10cyclictest0-21swapper/610:18:216
194320399109,1cyclictest0-21swapper/408:46:464
19432109990,9cyclictest0-21swapper/608:48:386
19432109990,8cyclictest2177585-21chrt09:06:326
19432109990,8cyclictest2177585-21chrt09:06:326
19432109990,8cyclictest2129437-21chrt08:40:446
19432109990,8cyclictest2081505-21chrt08:17:446
19432109990,8cyclictest2071658-21chrt08:09:036
19432109990,8cyclictest2062118-21chrt08:05:266
19432109990,8cyclictest2023795-21chrt07:47:396
19432109990,8cyclictest2004358-21taskset07:34:576
19432109990,8cyclictest1994935-21chrt07:32:176
19432039998,1cyclictest0-21swapper/407:20:514
19432109980,8cyclictest0-21swapper/607:18:176
19432039987,1cyclictest0-21swapper/410:42:584
19432039986,2cyclictest2630309-21kworker/u16:0+flush-8:012:18:194
19432039984,3cyclictest2484035-21kworker/u16:1+flush-8:011:24:104
19432039980,7cyclictest0-21swapper/411:09:044
2348926270,1sleep40-21swapper/410:17:154
19432039974,2cyclictest5827-21JS15:59:264
19432039974,2cyclictest2531765-21taskset11:31:044
19432039974,2cyclictest22134792chrt09:21:124
19432039972,4cyclictest1954786-21cut07:13:014
2507352260,1sleep40-21swapper/411:21:034
19432039964,2cyclictest1994671-21kworker/u16:0+flush-8:008:18:544
19432039963,2cyclictest25682202sleep411:45:394
19432039961,1cyclictest201rcu_preempt09:48:094
19432039961,1cyclictest0-21swapper/410:11:084
19432039960,4cyclictest0-21swapper/411:38:134
19432039960,3cyclictest0-21swapper/410:33:134
19432039960,1cyclictest201rcu_preempt10:48:094
19432039960,1cyclictest0-21swapper/412:23:284
19432039960,1cyclictest0-21swapper/411:51:344
19432039960,1cyclictest0-21swapper/411:51:344
19432039960,1cyclictest0-21swapper/409:59:534
19432039960,1cyclictest0-21swapper/408:23:474
19432039960,1cyclictest0-21swapper/408:23:474
19432039960,1cyclictest0-21swapper/408:03:004
19432039950,5cyclictest0-21swapper/409:38:134
19432039950,5cyclictest0-21swapper/409:03:064
19432039950,5cyclictest0-21swapper/409:03:064
19432039950,5cyclictest0-21swapper/408:47:594
19432039950,4cyclictest2680135-21taskset12:33:074
19432039950,4cyclictest2619028-21chrt12:08:064
19432039950,4cyclictest2461249-21taskset11:03:154
19432039950,4cyclictest2461249-21taskset11:03:154
19432039950,4cyclictest2457076-21taskset10:58:424
19432039950,4cyclictest2435506-21taskset10:53:054
19432039950,4cyclictest2152762-21taskset08:53:164
19432039950,4cyclictest2103598-21chrt08:28:164
19432039950,4cyclictest2072334-21chrt08:13:094
19432039950,4cyclictest2063890-21taskset08:08:134
19432039950,4cyclictest2015310-21taskset07:43:134
19432039950,4cyclictest2004964-21chrt07:38:004
19432039950,4cyclictest2004964-21chrt07:38:004
19432039950,4cyclictest1986520-21chrt07:28:144
19432039950,4cyclictest1980542-21chrt07:23:174
19432039950,3cyclictest0-21swapper/407:58:154
19432039950,2cyclictest0-21swapper/407:53:094
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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