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2026-08-13 - 08:20
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Thu Aug 13, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6432997027,37cyclictest32555-21wc22:49:060
6432996820,41cyclictest13142-21unixbench_singl21:39:380
6432996819,43cyclictest16896-21awk21:44:380
643299679,52cyclictest9481-21ssh20:53:100
6432996621,39cyclictest25732-21/usr/sbin/munin19:14:360
6432996618,42cyclictest572-21gdbus23:15:040
6432996523,36cyclictest28121-21ntp_states20:34:320
6432996521,38cyclictest629-21snmpd22:58:550
6432996521,38cyclictest2701-21irqstats23:34:230
6432996521,38cyclictest23861-21/usr/sbin/munin19:09:300
6432996520,38cyclictest27359-21grep23:24:190
6432996520,11cyclictest14249-21ssh20:59:190
6432996518,13cyclictest0-21swapper/023:19:370
6432996515,44cyclictest0-21swapper/023:09:310
6432996421,37cyclictest10190-21/usr/sbin/munin19:59:330
6432996421,36cyclictest17857-21/usr/sbin/munin20:19:210
6432996419,40cyclictest977-21missed_timers22:49:250
6432996419,39cyclictest785-21ssh22:06:400
6432996419,39cyclictest4784-21uname21:29:230
6432996419,39cyclictest16435-21ssh23:52:440
6432996417,41cyclictest878-21ssh23:32:000
6432996322,35cyclictest13661-21/usr/sbin/munin22:24:360
6432996322,35cyclictest13661-21/usr/sbin/munin22:24:360
6432996321,36cyclictest23737-21irqstats21:54:250
6432996321,36cyclictest1579-21cat21:24:350
6432996320,37cyclictest19083-21unixbench-2d21:04:370
6432996320,37cyclictest19083-21unixbench-2d21:04:370
6432996320,36cyclictest26990-21/usr/sbin/munin21:59:400
6432996319,38cyclictest4302-21ssh20:45:210
6432996319,38cyclictest20317-21processes21:49:310
6432996319,12cyclictest18979-21ssh22:29:510
6432996317,40cyclictest5090-21ssh22:12:450
6432996310,47cyclictest8703-21kworker/0:222:19:010
6432996221,35cyclictest10226-21/usr/sbin/munin20:54:210
6432996220,36cyclictest9950-21/usr/sbin/munin23:44:190
6432996219,37cyclictest30173-21timerandwakeup21:19:360
6432996219,37cyclictest26268-21ssh22:39:370
6432996219,37cyclictest12506-21ssh22:22:150
6432996218,38cyclictest13253-21ssh23:04:540
6432996218,37cyclictest8703-21kworker/0:220:43:320
6432996216,11cyclictest22617-21unixbench_singl22:34:370
6432996215,41cyclictest629-21snmpd21:18:140
6432996122,34cyclictest10046-21ssh23:01:100
6432996120,35cyclictest22679-21ssh20:28:080
6432996118,38cyclictest23154-21latency_hist20:29:090
6432996118,36cyclictest23644-21munin-run19:09:100
6432996118,12cyclictest11287-21ssh21:38:370
6432996021,33cyclictest15798-21/usr/sbin/munin20:14:350
6432996021,33cyclictest15798-21/usr/sbin/munin20:14:350
6432996020,34cyclictest27616-21/usr/sbin/munin19:19:250
6432996018,36cyclictest8494-21df_inode19:54:210
6432996016,38cyclictest8785-21latency_hist18:29:120
6432996016,12cyclictest0-21swapper/021:11:040
6432995919,34cyclictest9065-21df18:29:230
6432995918,35cyclictest7422-21ssh23:39:450
6432995918,35cyclictest7422-21ssh23:39:450
644399564,46cyclictest0-21swapper/222:20:382
601825611,15sleep30-21swapper/318:22:073
645099553,47cyclictest0-21swapper/319:31:303
644399554,45cyclictest0-21swapper/222:38:482
644399554,45cyclictest0-21swapper/222:18:092
644399552,48cyclictest18028-21sshd18:54:092
644399552,48cyclictest18028-21sshd18:54:092
643299554,45cyclictest0-21swapper/019:34:340
6432995519,31cyclictest629-21snmpd20:08:180
6432995513,13cyclictest629-21snmpd20:10:360
644399543,46cyclictest0-21swapper/218:39:212
644399542,46cyclictest11321-21ssh23:44:562
645099534,42cyclictest0-21swapper/322:16:583
644399534,43cyclictest0-21swapper/220:30:312
644399533,45cyclictest0-21swapper/218:44:262
644399532,45cyclictest13715-21df23:49:162
45432539,14sleep10-21swapper/118:19:201
6450995243,5cyclictest37-21ksoftirqd/322:44:053
6450995212,35cyclictest25001-21latency_hist21:14:083
644399525,41cyclictest0-21swapper/222:50:382
6443995243,5cyclictest29-21ksoftirqd/219:54:092
644399524,43cyclictest0-21swapper/220:37:222
644399524,41cyclictest0-21swapper/223:19:142
644399523,44cyclictest0-21swapper/220:48:522
645099514,42cyclictest0-21swapper/322:44:263
645099512,5cyclictest27695-21perl20:34:243
644399514,40cyclictest0-21swapper/223:32:352
644399514,40cyclictest0-21swapper/221:16:432
644399514,40cyclictest0-21swapper/220:50:502
644399513,42cyclictest0-21swapper/221:45:492
644399513,42cyclictest0-21swapper/220:27:172
586625110,35sleep20-21swapper/218:20:172
645099504,40cyclictest0-21swapper/321:32:333
644399508,36cyclictest0-21swapper/221:24:422
6443995041,5cyclictest29-21ksoftirqd/220:59:082
644399504,40cyclictest0-21swapper/222:31:482
644399503,41cyclictest0-21swapper/222:09:242
644399503,41cyclictest0-21swapper/222:01:192
644399502,6cyclictest15864-21ssh21:00:302
6443995014,30cyclictest4887-21sshd23:37:272
643299509,8cyclictest8300-21sed19:54:100
645099499,35cyclictest0-21swapper/320:32:043
645099493,41cyclictest0-21swapper/321:25:193
644399498,35cyclictest0-21swapper/221:14:012
644399494,40cyclictest0-21swapper/222:56:132
644399494,39cyclictest0-21swapper/223:14:282
644399494,39cyclictest0-21swapper/221:37:422
644399494,39cyclictest0-21swapper/220:39:252
644399494,38cyclictest0-21swapper/223:28:112
644399494,38cyclictest0-21swapper/222:24:402
644399494,38cyclictest0-21swapper/222:24:402
644399494,38cyclictest0-21swapper/221:49:442
644399492,6cyclictest18021-21ssh23:11:572
6443994911,32cyclictest0-21swapper/218:29:242
6443994910,33cyclictest0-21swapper/223:39:132
6443994910,33cyclictest0-21swapper/223:39:132
6443994910,33cyclictest0-21swapper/222:04:112
645099484,38cyclictest0-21swapper/321:02:023
6450994811,5cyclictest0-21swapper/321:15:403
644399489,5cyclictest0-21swapper/221:29:122
644399484,38cyclictest0-21swapper/222:39:232
644399484,38cyclictest0-21swapper/221:57:142
644399484,38cyclictest0-21swapper/221:22:012
644399484,37cyclictest0-21swapper/223:00:262
644399484,17cyclictest0-21swapper/223:07:222
644399484,10cyclictest0-21swapper/219:29:402
644399483,40cyclictest0-21swapper/222:47:382
6443994817,26cyclictest29486-21/usr/sbin/munin19:24:252
6443994811,5cyclictest0-21swapper/221:40:272
643699484,39cyclictest0-21swapper/121:51:591
645099474,38cyclictest0-21swapper/323:27:573
645099474,37cyclictest0-21swapper/323:36:503
645099474,37cyclictest0-21swapper/323:30:263
645099474,37cyclictest0-21swapper/323:21:183
645099474,37cyclictest0-21swapper/323:02:543
645099474,37cyclictest0-21swapper/322:54:123
645099474,37cyclictest0-21swapper/322:10:473
645099474,37cyclictest0-21swapper/322:06:353
645099474,37cyclictest0-21swapper/321:35:503
645099473,39cyclictest0-21swapper/323:09:523
645099472,41cyclictest19597-21ssh21:05:273
645099472,41cyclictest19597-21ssh21:05:273
644399476,35cyclictest4705-21cpu19:44:242
644399475,36cyclictest0-21swapper/221:05:012
644399475,36cyclictest0-21swapper/221:05:012
644399473,39cyclictest0-21swapper/219:39:202
644399473,38cyclictest0-21swapper/218:59:392
644399473,38cyclictest0-21swapper/218:59:392
644399473,38cyclictest0-21swapper/218:34:352
643699474,38cyclictest0-21swapper/123:22:561
645099464,37cyclictest0-21swapper/323:47:283
645099464,37cyclictest0-21swapper/322:27:253
645099464,37cyclictest0-21swapper/322:27:253
645099464,36cyclictest0-21swapper/320:56:573
645099464,36cyclictest0-21swapper/320:45:523
645099463,38cyclictest0-21swapper/319:54:413
645099463,37cyclictest0-21swapper/320:44:013
6450994610,5cyclictest0-21swapper/322:49:573
644399464,36cyclictest0-21swapper/219:34:262
644399463,37cyclictest0-21swapper/219:54:482
644399463,16cyclictest19991-21date18:59:102
644399463,16cyclictest19991-21date18:59:102
645099454,36cyclictest0-21swapper/322:38:143
645099454,36cyclictest0-21swapper/322:30:443
645099454,36cyclictest0-21swapper/321:55:553
645099454,36cyclictest0-21swapper/321:50:003
645099454,36cyclictest0-21swapper/321:21:453
645099454,36cyclictest0-21swapper/319:13:053
645099454,10cyclictest0-21swapper/321:44:073
645099453,37cyclictest0-21swapper/323:04:513
645099453,37cyclictest0-21swapper/320:17:033
645099453,37cyclictest0-21swapper/320:17:033
644399454,36cyclictest0-21swapper/219:22:592
644399453,36cyclictest0-21swapper/219:04:242
6432994521,18cyclictest11685-21runrttasks18:34:360
6432994514,26cyclictest19276-21timerandwakeup18:54:390
6432994514,26cyclictest19276-21timerandwakeup18:54:390
645099445,14cyclictest0-21swapper/323:51:313
645099444,35cyclictest0-21swapper/320:24:303
645099444,34cyclictest0-21swapper/320:51:033
645099444,16cyclictest0-21swapper/322:22:383
645099443,36cyclictest0-21swapper/318:24:263
645099443,35cyclictest0-21swapper/321:44:423
645099443,35cyclictest0-21swapper/320:19:253
644399444,34cyclictest0-21swapper/220:09:262
644399443,36cyclictest0-21swapper/218:29:092
644399443,35cyclictest0-21swapper/220:08:262
644399443,35cyclictest0-21swapper/220:03:192
6432994423,15cyclictest14549-21aten_rbpower_en18:44:210
6432994420,18cyclictest30096-21memory19:24:300
6432994419,19cyclictest3210-21iostat_ios19:39:280
6432994418,21cyclictest31355-21/usr/sbin/munin19:29:220
291892440,4sleep121-21ksoftirqd/120:35:431
281012443,6sleep10-21swapper/121:17:421
645099434,35cyclictest0-21swapper/323:41:413
645099434,35cyclictest0-21swapper/323:41:413
645099434,34cyclictest0-21swapper/319:24:053
645099433,35cyclictest0-21swapper/319:16:043
645099423,34cyclictest0-21swapper/322:00:013
645099422,8cyclictest559-21in:imuxsock19:24:143
643699429,9cyclictest0-21swapper/121:33:151
643699423,34cyclictest0-21swapper/119:04:411
643699422,34cyclictest14694-21ntp_states20:09:331
6432994223,14cyclictest584-21gdbus19:49:090
6432994223,14cyclictest20622-21iostat_ios18:59:300
6432994223,14cyclictest20622-21iostat_ios18:59:300
645099413,33cyclictest0-21swapper/323:19:053
644399414,31cyclictest0-21swapper/219:09:172
6432994125,10cyclictest17479-21grep18:49:390
6432994125,10cyclictest17479-21grep18:49:390
6432994120,15cyclictest13975-21seq18:40:220
307402413,6sleep10-21swapper/119:24:421
15262413,6sleep10-21swapper/122:49:351
208112403,6sleep10-21swapper/123:14:471
43212393,6sleep10-21swapper/123:36:161
26992393,7sleep10-21swapper/119:39:151
219382393,6sleep10-21swapper/120:26:351
179082393,6sleep10-21swapper/121:46:361
101702393,6sleep10-21swapper/123:01:271
6443993816,7cyclictest274002basename19:19:102
643699384,28cyclictest0-21swapper/121:41:421
59182383,6sleep10-21swapper/122:55:311
6436993717,15cyclictest1926-21latency_hist22:09:071
643699371,31cyclictest572-21gdbus19:04:101
643699371,31cyclictest572-21gdbus19:04:101
314622373,7sleep10-21swapper/121:21:531
293762373,6sleep10-21swapper/123:26:501
95422362,29sleep19550-21sh20:53:191
61182363,6sleep30-21swapper/319:47:583
589423612,18sleep00-21swapper/018:20:390
122992363,6sleep10-21swapper/123:47:031
643699354,26cyclictest0-21swapper/123:04:071
6436993523,7cyclictest32283-21wc19:29:371
643699351,31cyclictest49692chrt20:46:461
237772353,6sleep10-21swapper/121:11:261
126402353,6sleep10-21swapper/118:39:151
120452353,6sleep30-21swapper/318:34:423
6436993416,13cyclictest6364-21fschecks_time23:39:201
6436993416,13cyclictest6364-21fschecks_time23:39:201
643699333,26cyclictest0-21swapper/118:24:211
6436993324,5cyclictest21-21ksoftirqd/122:34:051
6436993321,8cyclictest16313-21cut20:14:261
6436993321,8cyclictest16313-21cut20:14:261
80072323,6sleep10-21swapper/119:53:071
6450993222,6cyclictest14884-21switchtime20:09:373
6450993220,7cyclictest12892-21cut18:39:253
643699325,22cyclictest0-21swapper/122:03:311
643699324,24cyclictest0-21swapper/122:22:551
643699324,24cyclictest0-21swapper/122:10:001
643699324,24cyclictest0-21swapper/121:34:371
643699324,23cyclictest0-21swapper/123:09:071
643699324,23cyclictest0-21swapper/121:27:241
643699324,23cyclictest0-21swapper/120:29:171
6436993222,6cyclictest643-21runrttasks19:44:301
6436993222,6cyclictest12476-21hwlatdetect20:04:241
6436993221,7cyclictest14024-21awk20:59:121
6436993221,7cyclictest13542-21/usr/sbin/munin23:49:341
6436993220,7cyclictest23873-21ssh21:54:271
6436993220,7cyclictest10214-21aten_rbpower_cu19:59:191
6450993123,5cyclictest37-21ksoftirqd/318:54:113
6450993123,5cyclictest37-21ksoftirqd/318:54:113
6450993120,7cyclictest7596-21grep19:49:403
6450993120,7cyclictest15047-21cut18:44:303
643699314,22cyclictest0-21swapper/122:26:361
643699314,22cyclictest0-21swapper/122:26:361
6436993121,6cyclictest643-21runrttasks22:35:001
6436993121,6cyclictest643-21runrttasks19:36:171
6436993121,6cyclictest6180-21cpu22:14:171
6436993121,6cyclictest25872-21netstat22:39:291
6436993120,6cyclictest19337-21diskmemload22:44:241
6436993119,8cyclictest32463-21unixbench_singl20:39:401
6436993113,14cyclictest11510-21grep18:34:311
131912313,6sleep10-21swapper/120:57:541
645099304,22cyclictest0-21swapper/320:04:353
645099304,21cyclictest0-21swapper/319:04:263
645099304,21cyclictest0-21swapper/318:54:423
645099304,21cyclictest0-21swapper/318:54:423
6450993022,5cyclictest1840-21wc19:34:383
645099302,22cyclictest9670-21/usr/sbin/munin18:29:353
643699303,22cyclictest0-21swapper/123:29:171
6436993020,6cyclictest8803-21if_eth219:54:241
6436993020,6cyclictest14709-21fschecks_count18:44:251
6436993017,8cyclictest19325-21crond20:24:081
645099294,21cyclictest0-21swapper/318:59:363
645099294,21cyclictest0-21swapper/318:59:363
645099292,22cyclictest2694-21systemd-cgroups19:39:103
6443992919,6cyclictest16293-21iostat20:14:242
6443992919,6cyclictest16293-21iostat20:14:242
643699294,20cyclictest0-21swapper/119:19:201
6436992919,6cyclictest643-21runrttasks19:11:541
6436992919,6cyclictest643-21runrttasks18:50:421
6436992919,6cyclictest643-21runrttasks18:50:421
645099284,19cyclictest0-21swapper/320:02:493
6443992816,7cyclictest18566-21find20:19:332
643699284,19cyclictest0-21swapper/121:04:171
643699284,19cyclictest0-21swapper/121:04:171
6436992819,5cyclictest9234-21fschecks_time18:29:251
6436992818,6cyclictest19284-21timerandwakeup18:54:391
6436992818,6cyclictest19284-21timerandwakeup18:54:391
6436992816,7cyclictest25720-21sshd19:14:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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