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2026-06-27 - 11:16
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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 Sat Jun 27, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10286997425,43cyclictest30209-21fschecks_time22:24:360
10286997320,47cyclictest23443-21chrt22:58:570
10286997022,42cyclictest19653-21/usr/sbin/munin20:39:430
10286997021,43cyclictest8008-21kernelversion21:54:380
10286997020,44cyclictest18380-21/usr/sbin/munin19:09:380
10286996922,41cyclictest17377-21ssh22:07:080
10286996822,40cyclictest17785-21/usr/sbin/munin20:34:480
10286996821,41cyclictest13118-21ssh00:09:410
10286996819,43cyclictest15690-21ssh21:21:090
10286996819,42cyclictest23984-21/usr/sbin/munin19:24:570
10286996816,46cyclictest0-21swapper/022:50:220
10286996724,37cyclictest5460-21iostat_ios22:34:360
10286996719,42cyclictest16511-21/usr/sbin/munin19:04:510
10286996625,35cyclictest6250-21/usr/sbin/munin21:09:320
10286996625,35cyclictest6250-21/usr/sbin/munin21:09:320
10286996623,37cyclictest9374-21load22:39:410
10286996622,38cyclictest22117-21/usr/sbin/munin19:19:510
10286996622,38cyclictest20247-21/usr/sbin/munin19:14:510
10286996620,40cyclictest11800-21ssh21:15:500
10286996620,40cyclictest11800-21ssh21:15:500
10286996618,42cyclictest16332-21hwlatdetect20:29:370
10290996510,49cyclictest15505-21sshd21:20:441
10286996523,36cyclictest3538-21smart_sda21:04:510
10286996522,9cyclictest12182-21/usr/sbin/munin20:19:460
10286996522,37cyclictest12770-21/usr/sbin/munin18:54:510
10286996521,38cyclictest2829-21/usr/sbin/munin19:54:370
10286996521,38cyclictest27723-21/usr/sbin/munin19:34:460
10286996521,38cyclictest19411-21/usr/sbin/munin22:09:420
10286996521,13cyclictest1579-21perl22:29:350
10286996520,39cyclictest1676-21ssh21:45:290
10286996520,39cyclictest13062-21irqstats22:44:380
10286996520,39cyclictest13062-21irqstats22:44:380
10286996519,39cyclictest21910-21seq23:39:260
10286996516,8cyclictest3458-21kworker/0:021:49:450
10286996423,35cyclictest28269-21irqstats23:04:390
10286996422,36cyclictest29592-21/usr/sbin/munin19:39:510
10286996422,36cyclictest25152-21ssh20:50:260
10286996420,38cyclictest7498-21ssh00:02:480
10286996420,38cyclictest21541-21/usr/sbin/munin20:44:360
10286996419,39cyclictest17601-21ssh21:24:340
1029099633,55cyclictest0-21swapper/121:43:431
10286996322,36cyclictest10317-21/usr/sbin/munin20:14:480
10286996322,36cyclictest10317-21/usr/sbin/munin20:14:480
10286996322,35cyclictest962-21/usr/sbin/munin19:49:510
10286996322,35cyclictest17085-21smart_sda00:14:440
10286996321,8cyclictest1675-21ssh21:03:100
10286996321,36cyclictest28437-21ssh23:47:400
10286996320,37cyclictest31896-21perl23:09:330
10286996319,38cyclictest30611-21ssh20:58:510
10286996319,38cyclictest26469-21ssh21:35:130
10286996319,38cyclictest25855-21/usr/sbin/munin19:29:430
10286996318,39cyclictest9480-21find00:04:450
10286996318,39cyclictest31690-21ssh23:51:310
10286996318,39cyclictest31690-21ssh23:51:310
10286996318,21cyclictest4575-21ssh23:15:220
10286996223,33cyclictest21356-21df_inode21:29:340
10286996223,33cyclictest14047-21/usr/sbin/munin20:24:390
10286996222,35cyclictest30011-21awk21:39:530
10286996221,36cyclictest8070-21unixbench_singl23:19:480
10286996221,35cyclictest26081-21/usr/sbin/munin22:19:400
10286996221,35cyclictest14641-21/usr/sbin/munin18:59:430
10286996221,35cyclictest11536-21/usr/sbin/munin23:24:450
10286996221,14cyclictest6568-21/usr/sbin/munin20:04:350
10286996220,36cyclictest13184-21ssh22:01:080
10286996220,36cyclictest13184-21ssh22:01:080
10286996219,37cyclictest8442-21/usr/sbin/munin20:09:550
10286996219,37cyclictest8442-21/usr/sbin/munin20:09:550
10286996219,37cyclictest19423-21sed23:34:490
10286996122,33cyclictest4692-21/usr/sbin/munin19:59:480
10286996122,33cyclictest1453-21iostat23:54:360
10286996119,37cyclictest25171-21ssh22:17:570
10286996119,37cyclictest24251-21tune2fs22:59:330
10286996119,36cyclictest16665-21ssh23:31:490
10286996021,33cyclictest31477-21/usr/sbin/munin19:44:380
1029099595,47cyclictest0-21swapper/123:08:121
1030299584,47cyclictest0-21swapper/321:50:043
1004825845,8sleep210062-21idleruntime-cro18:49:252
1029099554,44cyclictest0-21swapper/121:06:451
249025413,7sleep123198-21diskmemload23:14:001
1029099543,45cyclictest0-21swapper/122:33:471
1029099542,8cyclictest19753-21latency_hist00:19:191
1030299534,44cyclictest0-21swapper/321:19:393
1030299534,43cyclictest0-21swapper/322:35:333
1029099533,44cyclictest0-21swapper/121:52:441
1029099533,44cyclictest0-21swapper/121:13:191
1029099533,44cyclictest0-21swapper/121:13:191
1029799522,45cyclictest16908-21ntp_states00:14:402
1029099525,41cyclictest0-21swapper/123:35:211
1029099524,42cyclictest0-21swapper/123:39:211
1029099523,42cyclictest0-21swapper/122:18:131
1029099522,44cyclictest779-21netstat21:44:441
100662523,13sleep10-21swapper/100:05:121
1030299513,43cyclictest0-21swapper/319:54:243
1029099513,42cyclictest0-21swapper/122:56:321
1029099513,15cyclictest5964-21ssh23:18:191
1029099504,40cyclictest0-21swapper/123:47:471
1029099504,40cyclictest0-21swapper/123:23:421
1029099504,40cyclictest0-21swapper/122:11:511
1029099504,38cyclictest0-21swapper/120:10:011
1029099504,38cyclictest0-21swapper/120:10:011
1029099504,14cyclictest0-21swapper/120:56:411
1029099503,42cyclictest0-21swapper/121:26:041
1029099503,42cyclictest0-21swapper/121:04:051
1029099503,41cyclictest0-21swapper/123:55:311
1029099503,41cyclictest0-21swapper/121:58:531
1029099503,41cyclictest0-21swapper/121:14:561
1029099503,41cyclictest0-21swapper/121:14:561
1029099503,21cyclictest0-21swapper/100:03:121
1030299494,39cyclictest0-21swapper/322:24:463
1030299494,11cyclictest0-21swapper/320:49:553
1030299493,41cyclictest0-21swapper/318:54:363
1029099494,39cyclictest0-21swapper/123:53:261
1029099494,39cyclictest0-21swapper/123:53:261
1029099494,38cyclictest0-21swapper/123:24:451
1029099493,40cyclictest0-21swapper/121:37:241
10290994912,5cyclictest0-21swapper/122:44:281
10290994912,5cyclictest0-21swapper/122:44:281
10290994911,32cyclictest0-21swapper/122:37:041
10290994910,33cyclictest0-21swapper/122:00:591
10290994910,33cyclictest0-21swapper/122:00:591
1030299485,10cyclictest0-21swapper/321:05:403
1030299484,38cyclictest0-21swapper/323:44:223
1030299484,38cyclictest0-21swapper/323:28:533
1030299484,38cyclictest0-21swapper/321:59:133
1030299484,38cyclictest0-21swapper/321:24:553
1030299483,40cyclictest0-21swapper/323:44:113
1029099484,38cyclictest0-21swapper/122:54:201
1029099484,38cyclictest0-21swapper/100:11:111
1029099483,39cyclictest0-21swapper/122:59:311
1030299479,33cyclictest0-21swapper/300:04:593
1030299479,32cyclictest0-21swapper/322:09:273
1030299474,38cyclictest0-21swapper/323:34:323
1030299474,38cyclictest0-21swapper/322:39:503
1030299474,38cyclictest0-21swapper/319:29:453
1030299474,37cyclictest0-21swapper/323:57:303
1030299474,37cyclictest0-21swapper/323:21:343
1030299474,37cyclictest0-21swapper/322:29:443
1030299474,37cyclictest0-21swapper/321:59:273
1030299474,37cyclictest0-21swapper/321:59:273
1030299474,37cyclictest0-21swapper/320:59:573
1030299474,37cyclictest0-21swapper/300:14:513
10297994716,26cyclictest26574-21open_files23:44:442
1029099479,5cyclictest0-21swapper/121:33:011
1029099474,37cyclictest0-21swapper/122:25:041
1029099474,37cyclictest0-21swapper/122:20:251
1029099474,37cyclictest0-21swapper/122:05:201
1029099474,37cyclictest0-21swapper/120:51:421
1029099474,37cyclictest0-21swapper/120:29:231
1029099474,36cyclictest0-21swapper/123:31:181
1029099474,18cyclictest0-21swapper/122:40:521
1029099474,11cyclictest0-21swapper/119:59:591
1030299465,35cyclictest0-21swapper/322:54:463
1030299465,35cyclictest0-21swapper/322:50:293
1030299465,35cyclictest0-21swapper/321:36:003
1030299464,8cyclictest0-21swapper/319:22:473
1030299464,37cyclictest0-21swapper/322:04:593
1030299464,36cyclictest0-21swapper/323:01:043
1030299464,36cyclictest0-21swapper/322:19:523
10286994631,9cyclictest10610-21timerandwakeup18:49:300
1030299455,34cyclictest0-21swapper/321:48:193
1030299454,9cyclictest0-21swapper/319:11:183
1030299454,36cyclictest0-21swapper/323:32:203
1030299454,36cyclictest0-21swapper/323:09:423
1030299454,36cyclictest0-21swapper/319:46:213
1030299454,36cyclictest0-21swapper/300:09:343
1030299453,36cyclictest0-21swapper/323:59:443
1029799454,35cyclictest0-21swapper/223:11:442
1029099454,36cyclictest0-21swapper/120:46:151
1029099454,36cyclictest0-21swapper/120:04:501
1030299448,30cyclictest0-21swapper/320:54:573
1030299445,34cyclictest0-21swapper/323:50:453
1030299445,34cyclictest0-21swapper/323:50:453
1030299445,33cyclictest0-21swapper/321:29:593
1030299444,35cyclictest0-21swapper/322:14:433
1030299444,34cyclictest0-21swapper/321:40:363
1030299444,33cyclictest0-21swapper/323:19:203
1030299443,36cyclictest0-21swapper/321:14:353
1030299443,36cyclictest0-21swapper/321:14:353
1030299443,36cyclictest0-21swapper/318:51:193
1030299443,35cyclictest0-21swapper/319:05:273
1030299443,35cyclictest0-21swapper/319:02:223
1029099444,34cyclictest0-21swapper/119:59:241
1029099443,35cyclictest0-21swapper/120:39:401
1029099443,34cyclictest12349-21df20:19:361
1030299433,34cyclictest0-21swapper/319:15:263
1029099433,34cyclictest0-21swapper/120:34:361
1029099433,34cyclictest0-21swapper/120:14:451
1029099433,34cyclictest0-21swapper/120:14:451
96922429,26sleep30-21swapper/318:45:043
82092423,6sleep20-21swapper/221:11:102
82092423,6sleep20-21swapper/221:11:102
284732423,7sleep30-21swapper/319:34:493
229792423,6sleep20-21swapper/219:19:512
1030299423,8cyclictest0-21swapper/319:27:223
1030299423,33cyclictest30897-21chrt19:40:193
85512412,6sleep30-21swapper/321:11:553
85512412,6sleep30-21swapper/321:11:553
36982413,6sleep20-21swapper/222:32:202
247502413,8sleep10-21swapper/119:24:491
242122413,6sleep20-21swapper/221:33:272
1029099413,5cyclictest0-21swapper/120:34:231
272692403,6sleep20-21swapper/220:54:272
98842393,6sleep30-21swapper/320:11:593
98842393,6sleep30-21swapper/320:11:593
230482393,6sleep20-21swapper/222:58:082
198712393,7sleep10-21swapper/119:12:341
10302993929,6cyclictest543-21systemd-logind23:09:193
89812383,6sleep20-21swapper/221:55:092
313392383,6sleep20-21swapper/221:42:412
228332383,6sleep20-21swapper/220:45:062
160582383,6sleep20-21swapper/219:01:402
100052383,6sleep20-21swapper/200:05:052
980723714,17sleep00-21swapper/018:46:300
6152373,6sleep20-21swapper/222:28:502
134842373,6sleep30-21swapper/320:20:163
111152373,6sleep20-21swapper/222:41:582
1029799374,28cyclictest0-21swapper/221:46:502
10297993726,7cyclictest12877-21head20:19:452
10297993725,6cyclictest20441-21uniq19:14:392
10290993725,7cyclictest1698-21tr19:49:461
977323612,18sleep10-21swapper/118:46:021
80432363,6sleep20-21swapper/220:07:232
53072363,7sleep30-21swapper/319:59:443
249892363,6sleep20-21swapper/222:17:312
198612363,6sleep20-21swapper/219:12:312
174242363,6sleep30-21swapper/320:32:393
156792363,6sleep20-21swapper/220:29:122
1030299363,28cyclictest0-21swapper/319:54:253
1029799364,28cyclictest0-21swapper/223:54:572
10297993623,8cyclictest24874-21awk19:24:502
10290993626,5cyclictest21-21ksoftirqd/119:09:251
10290993624,7cyclictest543-21systemd-logind19:34:241
1030299353,27cyclictest22651-21sed20:44:523
1029799354,27cyclictest0-21swapper/223:44:142
1029799353,27cyclictest0-21swapper/221:49:262
10290993521,8cyclictest543-21systemd-logind18:59:261
1030299344,26cyclictest0-21swapper/320:42:213
1030299344,24cyclictest0-21swapper/322:44:253
1030299344,24cyclictest0-21swapper/322:44:253
1029799344,25cyclictest0-21swapper/222:35:032
1029799344,25cyclictest0-21swapper/221:01:132
1029799344,25cyclictest0-21swapper/220:34:352
1029799343,27cyclictest0-21swapper/221:15:062
1029799343,27cyclictest0-21swapper/221:15:062
10297993422,7cyclictest13793-21timerandwakeup18:54:542
10297993421,8cyclictest16426-21kernelversion20:29:402
1030299333,25cyclictest0-21swapper/320:18:413
1030299333,25cyclictest0-21swapper/320:18:413
1029799334,26cyclictest0-21swapper/223:08:582
1029799334,25cyclictest0-21swapper/223:37:362
1029799334,25cyclictest0-21swapper/223:29:572
1029799334,24cyclictest0-21swapper/200:01:412
1029799332,26cyclictest370-21systemd-journal22:14:202
1030299323,25cyclictest0-21swapper/320:37:513
1029799328,17cyclictest0-21swapper/220:14:402
1029799328,17cyclictest0-21swapper/220:14:402
1029799324,24cyclictest0-21swapper/221:37:482
1029799324,23cyclictest0-21swapper/221:05:052
1029799323,25cyclictest0-21swapper/222:22:362
1029799323,24cyclictest0-21swapper/223:27:442
1029799323,23cyclictest0-21swapper/223:49:382
1029799323,23cyclictest0-21swapper/223:49:382
10297993221,6cyclictest12514-21/usr/sbin/munin22:44:472
10297993221,6cyclictest12514-21/usr/sbin/munin22:44:472
10297993219,8cyclictest28606-21sendmail_mailst19:34:512
10290993222,6cyclictest13331-21latency18:54:441
10302993118,7cyclictest572-21gdbus20:29:233
1029799315,21cyclictest0-21swapper/222:49:542
1029799314,23cyclictest0-21swapper/223:17:462
1029799314,23cyclictest0-21swapper/222:02:422
1029799314,23cyclictest0-21swapper/222:02:422
1029799314,22cyclictest0-21swapper/218:52:302
1029799314,21cyclictest0-21swapper/223:01:382
10297993120,7cyclictest18406-21chrt21:24:492
10297993119,8cyclictest12634-21grep00:09:332
10297993118,8cyclictest16854-21cut19:04:412
10297993115,12cyclictest7775-21switchtime23:19:442
1029799304,21cyclictest0-21swapper/221:19:382
1029799304,21cyclictest0-21swapper/220:49:502
1029799304,21cyclictest0-21swapper/219:29:562
1029799303,21cyclictest0-21swapper/222:04:242
10297993020,6cyclictest20088-21idleruntime20:39:382
10297993019,7cyclictest8861-21idleruntime20:09:402
10297993019,7cyclictest8861-21idleruntime20:09:402
10297993019,6cyclictest3507-21needreboot19:54:452
1029099306,19cyclictest0-21swapper/119:34:561
1029099304,21cyclictest0-21swapper/119:14:421
1029099304,20cyclictest0-21swapper/119:19:361
1029799294,18cyclictest0-21swapper/219:49:252
11212283,4sleep20-21swapper/219:49:372
10302992817,7cyclictest7705-21sed20:04:543
1029799282,15cyclictest55592rt-features19:59:482
10297992817,7cyclictest30312-21ntp_kernel_err19:39:462
1029099284,18cyclictest0-21swapper/118:49:381
10290992715,7cyclictest30474-21expr19:39:501
10290992615,6cyclictest31849-21fschecks_time19:44:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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