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2026-03-21 - 17:25
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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 Sat Mar 21, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21633372930,1sleep40-21swapper/408:58:434
1931920995856,2cyclictest2406195-21kworker/u16:3+events_unbound11:13:375
193163225848,7sleep50-21swapper/507:03:155
193159525849,6sleep40-21swapper/407:02:424
1931927995653,2cyclictest2450933-21awk10:58:487
1931927995550,3cyclictest2346665-21ssh10:18:407
1931927995550,3cyclictest2346665-21ssh10:18:407
1931922995452,2cyclictest2237724-21kworker/u16:0+events_unbound09:58:526
1931927995352,0cyclictest0-21swapper/710:28:517
1931922995250,2cyclictest2146080-21kworker/u16:0+flush-8:008:53:486
1931922995249,2cyclictest2201414-21kworker/u16:1+events_unbound09:53:246
1931927995148,2cyclictest2535400-21smart_sda11:33:537
1931922995149,2cyclictest2237724-21kworker/u16:0+flush-8:010:23:526
1931922995148,2cyclictest2598840-21kworker/u16:1+events_unbound12:13:396
1931920995048,2cyclictest2274314-21kworker/u16:3+events_unbound09:48:525
1931922994947,2cyclictest2406195-21kworker/u16:3+flush-8:011:58:516
1931922994947,2cyclictest2367940-21kworker/u16:6+events_unbound10:33:536
1931920994947,2cyclictest2117044-21kworker/u16:1+events_unbound08:53:225
1931927994846,1cyclictest2164878-21diskmemload11:48:367
1931922994845,2cyclictest2155677-21kworker/u16:4+events_unbound09:23:246
1931920994847,1cyclictest2201414-21kworker/u16:1+events_unbound10:13:575
1931920994846,2cyclictest2644218-21kworker/u16:1+events_unbound12:30:205
1931920994846,2cyclictest2367940-21kworker/u16:6+events_unbound11:58:365
1931920994845,2cyclictest2237724-21kworker/u16:0+events_unbound09:58:375
193134324838,7sleep60-21swapper/606:59:076
1931920994745,2cyclictest2406195-21kworker/u16:3+events_unbound10:48:525
1931922994644,2cyclictest2237724-21kworker/u16:0+events_unbound10:03:536
1931922994543,2cyclictest2367940-21kworker/u16:6+events_unbound11:43:556
1931922994543,2cyclictest2237724-21kworker/u16:0+events_unbound10:30:206
1931922994442,2cyclictest2644218-21kworker/u16:1+events_unbound12:30:436
1931922994442,2cyclictest2406195-21kworker/u16:3+events_unbound11:23:356
1931922994442,2cyclictest2406195-21kworker/u16:3+events_unbound10:49:006
1931922994442,2cyclictest2367940-21kworker/u16:6+events_unbound10:46:206
1931922994442,2cyclictest2237724-21kworker/u16:0+events_unbound10:13:206
1931922994442,2cyclictest2146080-21kworker/u16:0+events_unbound09:03:246
1931920994442,2cyclictest2470711-21kworker/u16:0+flush-8:011:48:395
1931920994442,2cyclictest2367940-21kworker/u16:6+events_unbound11:23:375
1931927994342,0cyclictest0-21swapper/709:54:247
1931927994341,1cyclictest2164878-21diskmemload09:53:167
1931922994341,2cyclictest2367940-21kworker/u16:6+events_unbound11:15:406
1931922994340,2cyclictest2470711-21kworker/u16:0+events_unbound11:48:246
1931927994241,0cyclictest0-21swapper/710:04:407
1931927994239,2cyclictest2620780-21ssh12:10:127
1931922994240,2cyclictest2584297-21kworker/u16:0+events_unbound12:12:406
1931922994240,2cyclictest2406195-21kworker/u16:3+events_unbound11:21:406
1931922994240,2cyclictest2406195-21kworker/u16:3+events_unbound10:56:086
1931922994240,2cyclictest2367940-21kworker/u16:6+events_unbound11:05:406
1931920994239,2cyclictest2367940-21kworker/u16:6+flush-8:010:58:435
1931922994139,2cyclictest2644218-21kworker/u16:1+events_unbound12:26:526
1931922994139,2cyclictest2584297-21kworker/u16:0+events_unbound12:03:576
1931922994139,2cyclictest2274314-21kworker/u16:3+events_unbound09:52:376
1931922994139,2cyclictest2201414-21kworker/u16:1+events_unbound10:16:416
1931922994139,2cyclictest2201414-21kworker/u16:1+events_unbound09:38:056
1931922994139,2cyclictest2155677-21kworker/u16:4+events_unbound09:20:206
1931922994139,2cyclictest2155677-21kworker/u16:4+events_unbound09:17:406
1931922994138,2cyclictest2632177-21kworker/u16:3+events_unbound12:20:396
1931922994138,2cyclictest2632177-21kworker/u16:3+events_unbound12:20:396
1931920994139,2cyclictest2632177-21kworker/u16:3+events_unbound12:14:205
1931920994139,2cyclictest2367940-21kworker/u16:6+events_unbound11:56:215
19230732413,31sleep70-21swapper/706:58:367
1931927994040,0cyclictest0-21swapper/709:47:487
1931927994038,1cyclictest2164878-21diskmemload11:25:567
1931922994038,2cyclictest2406195-21kworker/u16:3+events_unbound11:40:246
1931922994038,2cyclictest2406195-21kworker/u16:3+events_unbound11:40:246
1931922994037,2cyclictest1932144-21kworker/u16:2+events_unbound09:08:256
1931920994038,2cyclictest2237724-21kworker/u16:0+events_unbound10:30:125
1931920994038,2cyclictest2201414-21kworker/u16:1+events_unbound09:48:095
1931920994038,2cyclictest1932144-21kworker/u16:2+events_unbound09:15:255
1931920994036,3cyclictest2237724-21kworker/u16:0+flush-8:010:38:225
1931927993938,0cyclictest0-21swapper/711:21:567
1931927993937,1cyclictest2657434-21ssh12:26:237
1931927993937,1cyclictest2465025-21ssh11:06:297
1931927993937,1cyclictest2440326-21ssh10:55:137
1931922993937,2cyclictest2470711-21kworker/u16:0+events_unbound11:35:276
1931922993937,2cyclictest2237724-21kworker/u16:0+events_unbound10:40:456
1931922993937,2cyclictest2201414-21kworker/u16:1+events_unbound10:22:046
1931922993937,2cyclictest2201414-21kworker/u16:1+events_unbound10:22:046
1931920993937,2cyclictest2237724-21kworker/u16:0+events_unbound10:27:205
1931920993937,2cyclictest2201414-21kworker/u16:1+events_unbound10:08:015
1931920993937,2cyclictest1963989-21kworker/u16:1+events_unbound07:58:235
1931927993837,0cyclictest0-21swapper/709:04:407
1931927993836,1cyclictest0-21swapper/711:16:007
1931927993835,2cyclictest2555235-21ssh11:43:437
1931922993835,2cyclictest2406195-21kworker/u16:3+events_unbound11:28:236
1931922993835,2cyclictest2406195-21kworker/u16:3+events_unbound11:28:236
1931920993836,2cyclictest2598840-21kworker/u16:1+events_unbound12:11:325
1931920993836,2cyclictest2584297-21kworker/u16:0+events_unbound12:03:395
1931920993836,2cyclictest2367940-21kworker/u16:6+events_unbound11:20:125
1931920993836,2cyclictest2367940-21kworker/u16:6+events_unbound10:39:085
1931920993836,2cyclictest1932144-21kworker/u16:2+events_unbound09:22:455
1931927993737,0cyclictest0-21swapper/710:51:447
1931927993736,0cyclictest0-21swapper/710:25:007
1931927993736,0cyclictest0-21swapper/710:17:447
1931927993735,1cyclictest2524066-21ssh11:29:207
1931927993735,1cyclictest2524066-21ssh11:29:207
1931927993735,1cyclictest0-21swapper/712:23:127
1931927993735,1cyclictest0-21swapper/712:23:127
1931922993735,2cyclictest2237724-21kworker/u16:0+events_unbound09:40:206
1931922993735,2cyclictest2237724-21kworker/u16:0+events_unbound09:40:206
1931920993735,2cyclictest2406195-21kworker/u16:3+events_unbound10:57:125
1931920993735,2cyclictest2237724-21kworker/u16:0+events_unbound10:11:015
1931920993735,2cyclictest2237724-21kworker/u16:0+events_unbound09:40:535
1931920993735,2cyclictest2237724-21kworker/u16:0+events_unbound09:40:535
1931920993735,2cyclictest2201414-21kworker/u16:1+flush-8:009:37:485
1931920993735,2cyclictest2146080-21kworker/u16:0+events_unbound09:25:215
1931927993634,1cyclictest0-21swapper/711:42:097
1931927993634,1cyclictest0-21swapper/711:42:097
1931922993634,2cyclictest2470711-21kworker/u16:0+events_unbound11:10:206
1931922993634,2cyclictest2237724-21kworker/u16:0+events_unbound09:45:566
1931920993634,2cyclictest2406195-21kworker/u16:3+events_unbound11:31:525
1931920993634,2cyclictest2406195-21kworker/u16:3+events_unbound11:31:525
1931920993634,2cyclictest2237724-21kworker/u16:0+events_unbound09:55:335
1931927993535,0cyclictest0-21swapper/712:17:287
1931927993534,0cyclictest0-21swapper/712:00:517
1931927993534,0cyclictest0-21swapper/711:12:397
1931927993534,0cyclictest0-21swapper/709:16:327
1931922993533,2cyclictest2406195-21kworker/u16:3+events_unbound11:54:126
1931922993533,2cyclictest2367940-21kworker/u16:6+events_unbound10:59:516
1931922993532,3cyclictest1932144-21kworker/u16:2+events_unbound07:48:236
1931920993533,2cyclictest2632177-21kworker/u16:3+events_unbound12:19:525
1931920993533,2cyclictest2632177-21kworker/u16:3+events_unbound12:19:525
1931920993533,2cyclictest2610533-21kworker/u16:2+flush-8:012:23:375
1931920993533,2cyclictest2470711-21kworker/u16:0+events_unbound11:43:415
1931920993533,2cyclictest2406195-21kworker/u16:3+flush-8:011:38:375
1931920993533,2cyclictest2406195-21kworker/u16:3+flush-8:011:38:375
1931920993533,2cyclictest2406195-21kworker/u16:3+events_unbound11:08:445
1931920993532,2cyclictest2367940-21kworker/u16:6+flush-8:011:33:285
1931927993433,0cyclictest0-21swapper/712:04:157
1931927993432,1cyclictest2332730-21ssh10:12:137
1931927993333,0cyclictest0-21swapper/710:41:327
1931927993332,0cyclictest0-21swapper/709:21:277
1931920993331,2cyclictest2406195-21kworker/u16:3+events_unbound11:08:195
1931920993331,2cyclictest2146080-21kworker/u16:0+events_unbound09:06:285
1931920993230,2cyclictest2201414-21kworker/u16:1+events_unbound10:44:485
1931920993230,2cyclictest1932144-21kworker/u16:2+events_unbound09:09:415
1931927993030,0cyclictest0-21swapper/709:25:517
1931922993028,2cyclictest2155677-21kworker/u16:4+events_unbound09:30:186
1931920993028,2cyclictest1963989-21kworker/u16:1+events_unbound07:14:335
23871622290,1chrt2387163-21ssh10:33:437
1931927992929,0cyclictest0-21swapper/710:02:567
1931927992828,0cyclictest0-21swapper/709:37:077
1931927992828,0cyclictest0-21swapper/709:29:537
1931927992828,0cyclictest0-21swapper/709:12:297
1931927992825,2cyclictest2416880-21sh10:46:367
1931920992826,2cyclictest2237724-21kworker/u16:0+events_unbound10:19:375
1931920992826,2cyclictest2237724-21kworker/u16:0+events_unbound10:19:375
1931920992826,2cyclictest2155677-21kworker/u16:4+events_unbound09:30:325
1931927992727,0cyclictest0-21swapper/709:42:127
1931927992727,0cyclictest0-21swapper/709:42:127
1931922992725,2cyclictest2069718-21kworker/u16:3+events_unbound08:15:336
1931920992725,2cyclictest2069718-21kworker/u16:3+flush-8:008:43:235
1931920992725,2cyclictest1963989-21kworker/u16:1+events_unbound07:24:335
1931922992623,2cyclictest2031352-21kworker/u16:0+flush-8:008:08:286
1931920992624,2cyclictest1963989-21kworker/u16:1+flush-8:007:18:535
1931922992523,2cyclictest2096911-21kworker/u16:0+flush-8:008:28:336
1931922992523,2cyclictest1963989-21kworker/u16:1+events_unbound07:33:206
1931927992421,2cyclictest2574808-21/usr/sbin/munin11:53:477
1931922992422,2cyclictest1932144-21kworker/u16:2+flush-8:007:08:236
1931922992422,2cyclictest1932144-21kworker/u16:2+events_unbound08:03:206
1931920992422,2cyclictest2096911-21kworker/u16:0+events_unbound08:34:335
1931920992422,2cyclictest2069718-21kworker/u16:3+events_unbound08:21:335
1931916992422,2cyclictest2146080-21kworker/u16:0+events_unbound09:03:364
1931922992321,2cyclictest1932144-21kworker/u16:2+events_unbound07:10:176
1931920992321,2cyclictest2146080-21kworker/u16:0+events_unbound08:53:535
1931922992219,2cyclictest1932144-21kworker/u16:2+events_unbound07:18:376
1931920992220,2cyclictest1932144-21kworker/u16:2+events_unbound08:13:525
1931922992119,2cyclictest2069718-21kworker/u16:3+events_unbound08:41:336
1931920992119,2cyclictest2096911-21kworker/u16:0+events_unbound08:29:325
1931920992119,2cyclictest1932144-21kworker/u16:2+flush-8:007:08:505
1931920992119,2cyclictest1932144-21kworker/u16:2+events_unbound08:05:335
1931916992119,2cyclictest2237724-21kworker/u16:0+events_unbound10:25:254
1931916992118,2cyclictest1932144-21kworker/u16:2+events_unbound09:43:364
1931920992018,2cyclictest1963989-21kworker/u16:1+events_unbound07:30:215
1931927991917,1cyclictest2669736-21ssh12:31:517
1931922991917,2cyclictest1932144-21kworker/u16:2+events_unbound08:26:286
1931922991917,2cyclictest1932144-21kworker/u16:2+events_unbound07:50:176
1931920991917,2cyclictest2031352-21kworker/u16:0+events_unbound08:02:205
1931927991817,0cyclictest0-21swapper/707:06:187
1931922991816,2cyclictest2117044-21kworker/u16:1+events_unbound08:48:436
1931922991816,2cyclictest2096911-21kworker/u16:0+flush-8:008:33:386
1931922991816,2cyclictest1963989-21kworker/u16:1+events_unbound07:55:336
1931922991815,2cyclictest1932144-21kworker/u16:2+flush-8:008:03:336
1931927991711,5cyclictest1983410-21latency_hist07:28:227
1931922991715,2cyclictest1963989-21kworker/u16:1+events_unbound07:17:336
1931920991715,2cyclictest1932144-21kworker/u16:2+flush-8:007:38:175
1931920991715,2cyclictest1932144-21kworker/u16:2+flush-8:007:38:175
1931920991715,2cyclictest1932144-21kworker/u16:2+events_unbound07:47:345
1931927991615,0cyclictest0-21swapper/708:59:117
1931927991615,0cyclictest0-21swapper/708:08:447
1931927991610,5cyclictest2136123-21latency_hist08:48:237
193192799160,14cyclictest1964316-21latency_hist07:18:237
1931922991614,2cyclictest2069718-21kworker/u16:3+flush-8:008:43:386
1931922991614,2cyclictest2069718-21kworker/u16:3+events_unbound09:02:296
1931922991614,2cyclictest2069718-21kworker/u16:3+events_unbound08:18:566
1931920991614,2cyclictest464683-21kworker/u16:0+events_unbound07:03:565
1931920991613,2cyclictest1963989-21kworker/u16:1+events_unbound07:38:255
1931927991514,0cyclictest0-21swapper/708:52:257
1931927991514,0cyclictest0-21swapper/708:38:137
1931927991514,0cyclictest0-21swapper/708:04:137
1931927991512,2cyclictest2078573-21sshd-session08:14:097
1931916991513,2cyclictest2237724-21kworker/u16:0+flush-8:010:28:484
1931916991512,2cyclictest1993875-21diskstats07:33:364
1931916991512,2cyclictest1993875-21diskstats07:33:364
193191699150,15cyclictest0-21swapper/411:13:034
193192799148,5cyclictest2031121-21latency_hist07:53:237
1931927991414,0cyclictest0-21swapper/708:32:297
1931927991413,0cyclictest0-21swapper/707:58:537
193192799140,1cyclictest0-21swapper/708:18:487
1931920991410,3cyclictest1932144-21kworker/u16:2+flush-8:008:13:225
1931916991413,1cyclictest0-21swapper/412:32:024
1931916991413,1cyclictest0-21swapper/411:29:174
1931916991413,1cyclictest0-21swapper/411:29:174
1931916991413,1cyclictest0-21swapper/410:51:084
1931916991413,1cyclictest0-21swapper/409:48:334
1931916991413,1cyclictest0-21swapper/409:40:494
1931916991413,1cyclictest0-21swapper/409:40:494
193191699140,1cyclictest0-21swapper/412:13:544
193191699140,1cyclictest0-21swapper/410:00:134
193191699140,1cyclictest0-21swapper/409:58:194
193191699140,1cyclictest0-21swapper/409:11:304
193191699140,1cyclictest0-21swapper/407:28:524
193191699140,14cyclictest0-21swapper/409:32:574
193191699140,14cyclictest0-21swapper/408:13:484
193192799139,3cyclictest1267-21snmpd07:39:177
193192799136,5cyclictest2154423-21proc_pri08:53:477
1931927991312,0cyclictest0-21swapper/707:28:277
193192799130,11cyclictest2088804-21/usr/sbin/munin08:23:457
1931922991311,2cyclictest1963989-21kworker/u16:1+events_unbound07:24:216
1931920991311,2cyclictest2069718-21kworker/u16:3+flush-8:008:43:395
193191699139,3cyclictest1932921-21cat07:03:384
1931916991312,1cyclictest0-21swapper/412:21:574
1931916991312,1cyclictest0-21swapper/412:21:574
1931916991312,1cyclictest0-21swapper/411:55:474
1931916991312,1cyclictest0-21swapper/411:37:294
1931916991312,1cyclictest0-21swapper/410:55:054
1931916991312,1cyclictest0-21swapper/410:43:154
1931916991312,1cyclictest0-21swapper/410:09:504
1931916991312,1cyclictest0-21swapper/409:34:504
1931916991312,1cyclictest0-21swapper/407:43:224
193192799128,3cyclictest1267-21snmpd07:55:447
193192799128,3cyclictest1267-21snmpd07:20:017
193192799120,11cyclictest1267-21snmpd07:08:587
1931922991210,2cyclictest1932144-21kworker/u16:2+events_unbound07:34:376
1931922991210,2cyclictest1932144-21kworker/u16:2+events_unbound07:34:376
1931920991210,2cyclictest1963989-21kworker/u16:1+events_unbound07:53:205
193191699129,2cyclictest1963989-21kworker/u16:1+flush-8:007:23:274
1931916991211,1cyclictest0-21swapper/410:59:014
1931916991211,1cyclictest0-21swapper/410:47:124
1931916991211,1cyclictest0-21swapper/410:07:564
1931916991211,1cyclictest0-21swapper/409:15:174
1931916991211,1cyclictest0-21swapper/408:20:444
1931916991211,1cyclictest0-21swapper/407:10:254
193191699120,1cyclictest0-21swapper/407:50:374
193191699120,12cyclictest0-21swapper/408:49:074
193192799118,2cyclictest1267-21snmpd08:41:467
193192799110,9cyclictest0-21swapper/707:43:517
193191699117,3cyclictest2032307-21cat07:53:384
1931916991110,1cyclictest0-21swapper/412:07:554
1931916991110,1cyclictest0-21swapper/411:25:114
1931916991110,1cyclictest0-21swapper/410:15:404
1931916991110,1cyclictest0-21swapper/408:44:514
1931916991110,1cyclictest0-21swapper/408:34:184
1931916991110,1cyclictest0-21swapper/407:19:254
193191699110,11cyclictest0-21swapper/408:33:174
193191699110,11cyclictest0-21swapper/408:02:274
193191699110,11cyclictest0-21swapper/407:48:164
193192299108,2cyclictest1963989-21kworker/u16:1+events_unbound07:41:296
193192099109,1cyclictest0-21swapper/509:01:455
193192099108,2cyclictest2069718-21kworker/u16:3+flush-8:008:23:435
193191699109,1cyclictest0-21swapper/411:49:384
193191699109,1cyclictest0-21swapper/409:26:574
193191699109,1cyclictest0-21swapper/408:57:284
193191699109,1cyclictest0-21swapper/408:42:484
193191699109,1cyclictest0-21swapper/407:17:124
19319279994,4cyclictest902-21dbus-daemon07:34:327
19319279994,4cyclictest902-21dbus-daemon07:34:327
19319169998,1cyclictest0-21swapper/412:27:564
19319169998,1cyclictest0-21swapper/411:19:034
19319169998,1cyclictest0-21swapper/408:25:194
19319169987,1cyclictest0-21swapper/411:43:294
19319169986,1cyclictest0-21swapper/409:18:364
19319169985,3cyclictest2367940-21kworker/u16:6+flush-8:010:33:484
19319169983,4cyclictest2060909-21hddtemp_smartct08:08:364
19319169983,4cyclictest2055023-21cut08:03:414
19319169976,1cyclictest0-21swapper/412:11:514
19319169976,1cyclictest0-21swapper/411:14:574
19319169971,1cyclictest0-21swapper/410:19:424
19319169971,1cyclictest0-21swapper/410:19:424
19319169963,2cyclictest25386382sleep411:38:254
19319169963,2cyclictest25386382sleep411:38:254
19319169962,3cyclictest3953135-21dockerd12:00:464
19319169950,4cyclictest2461200-21taskset11:03:464
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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