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2026-08-17 - 23:07
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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 Mon Aug 17, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301799753,65cyclictest26058-21/usr/sbin/munin07:21:583
301799752,67cyclictest6895-21memory08:52:073
301799733,25cyclictest11604-21ssh11:07:423
301799732,66cyclictest15916-21diskmemload10:46:403
301799723,35cyclictest2717-21taskset07:45:473
301799713,61cyclictest20416-21perl08:26:583
301799704,60cyclictest0-21swapper/311:13:223
301799703,62cyclictest0-21swapper/309:11:553
301799703,61cyclictest11093-21/usr/sbin/munin06:42:143
301799702,62cyclictest9223-21/usr/sbin/munin06:37:123
301799702,26cyclictest15205-21ssh09:02:403
301799694,59cyclictest0-21swapper/311:36:413
301799692,61cyclictest21064-21missed_timers07:07:053
301799692,61cyclictest14254-21/usr/sbin/munin08:16:583
301799692,61cyclictest10498-21/usr/sbin/munin08:07:033
301799688,54cyclictest0-21swapper/310:02:233
301799684,58cyclictest0-21swapper/310:30:233
301799683,59cyclictest27232-21/usr/sbin/munin10:46:503
301799683,59cyclictest20915-21ssh09:54:423
301799682,61cyclictest13883-21switchtime06:47:123
301799682,60cyclictest26161-21ssh08:34:313
3017996812,50cyclictest0-21swapper/310:00:393
3017996812,50cyclictest0-21swapper/309:39:203
301799673,58cyclictest6771-21/usr/sbin/munin07:56:563
301799673,58cyclictest6771-21/usr/sbin/munin07:56:563
301799673,57cyclictest28069-21/usr/sbin/munin08:37:033
301799672,58cyclictest11139-21diskstats09:41:573
3017996711,50cyclictest0-21swapper/311:44:593
301799669,51cyclictest0-21swapper/311:23:203
301799668,52cyclictest0-21swapper/308:22:363
301799667,53cyclictest0-21swapper/310:59:403
301799666,54cyclictest0-21swapper/310:39:353
301799666,54cyclictest0-21swapper/309:07:443
301799663,57cyclictest1694-21ntpq10:12:043
301799663,57cyclictest12085-21ssh08:58:583
301799663,30cyclictest9392-21ssh11:47:343
301799662,59cyclictest1151-21runrttasks08:44:263
301799662,58cyclictest16698-21/usr/sbin/munin06:57:143
301799662,58cyclictest14832-21/usr/sbin/munin06:52:013
301799662,57cyclictest3032-21/usr/sbin/munin07:47:093
301799662,57cyclictest22306-21/usr/sbin/munin07:12:053
301799662,29cyclictest32567-21ssh10:10:493
301799659,27cyclictest0-21swapper/309:16:513
301799654,55cyclictest0-21swapper/310:33:163
301799653,56cyclictest5471-21ssh09:33:283
301799653,56cyclictest5471-21ssh09:33:283
301799653,30cyclictest32469-21fschecks_count09:26:563
301799652,58cyclictest29800-21/usr/sbin/munin07:32:143
301799652,58cyclictest12368-21/usr/sbin/munin08:12:003
301799652,57cyclictest8632-21/usr/sbin/munin08:02:113
301799652,57cyclictest8632-21/usr/sbin/munin08:02:113
301799652,57cyclictest27928-21/usr/sbin/munin07:27:093
301799652,29cyclictest32502-21ssh10:52:223
3017996512,47cyclictest0-21swapper/311:05:403
301799651,59cyclictest3638-21timerandwakeup08:47:123
301799651,59cyclictest3638-21timerandwakeup08:47:123
301799645,54cyclictest0-21swapper/309:48:393
301799644,54cyclictest0-21swapper/311:31:413
301799643,55cyclictest30212-21ssh09:23:003
301799643,33cyclictest9423-21/usr/sbin/munin10:22:093
301799643,33cyclictest9423-21/usr/sbin/munin10:22:093
301799642,56cyclictest5526-21proc_pri10:17:063
301799642,56cyclictest5485-21/usr/sbin/munin06:27:183
301799642,56cyclictest25030-21ssh11:26:413
301799642,56cyclictest18394-21ksmtuned11:17:053
301799633,54cyclictest18569-21/usr/sbin/munin07:02:043
301799613,52cyclictest24191-21/usr/sbin/munin07:17:013
301799612,53cyclictest7356-21/usr/sbin/munin06:32:143
301799612,53cyclictest5456-21latency_hist06:26:463
301799612,31cyclictest4902-21/usr/sbin/munin07:52:073
3006996116,38cyclictest15940-21/usr/sbin/munin10:32:111
301799602,52cyclictest573-21irqbalance07:39:373
3006996019,35cyclictest24620-21timerandwakeup10:42:091
3002996051,5cyclictest3-21ksoftirqd/009:41:410
3006995814,38cyclictest10945-21/usr/sbin/munin09:42:081
110725812,15sleep00-21swapper/006:16:480
110725812,15sleep00-21swapper/006:16:480
301799572,48cyclictest5270-21idleruntime-cro06:26:463
3006995715,36cyclictest23170-21switchtime09:57:101
3006995713,38cyclictest19240-21ntpq09:52:071
3006995712,39cyclictest2292-21ssh10:12:161
301299564,46cyclictest0-21swapper/210:06:032
301299564,45cyclictest0-21swapper/209:50:282
3006995615,35cyclictest6199-21/usr/sbin/munin11:02:061
300299564,46cyclictest0-21swapper/009:35:080
300299564,46cyclictest0-21swapper/009:35:080
3006995511,38cyclictest5293-21unixbench-2d11:42:091
3006995511,38cyclictest3471-21switchtime10:57:081
3006995511,38cyclictest24588-21ssh08:32:071
301299544,45cyclictest0-21swapper/208:39:522
3006995410,38cyclictest26670-21ssh10:02:061
3006995410,38cyclictest14577-21ssh09:02:071
16292548,14sleep20-21swapper/206:17:062
16292548,14sleep20-21swapper/206:17:062
300299534,43cyclictest0-21swapper/009:11:250
301299523,43cyclictest0-21swapper/209:46:342
301299523,43cyclictest0-21swapper/209:04:352
3006995210,36cyclictest8104-21proc_pri09:37:061
300299522,19cyclictest28364-21ssh11:31:090
301299514,41cyclictest0-21swapper/210:24:332
301299514,41cyclictest0-21swapper/210:24:332
301299514,41cyclictest0-21swapper/209:39:142
301299513,43cyclictest0-21swapper/210:17:432
301299513,42cyclictest0-21swapper/209:51:542
300699518,37cyclictest17680-21ssh08:22:241
3006995112,33cyclictest26226-21ssh09:17:231
3006995112,33cyclictest18980-21ssh11:17:161
300299513,43cyclictest0-21swapper/008:58:050
301299504,40cyclictest0-21swapper/211:33:302
301299504,40cyclictest0-21swapper/210:50:322
301299504,40cyclictest0-21swapper/210:16:392
301299504,39cyclictest0-21swapper/210:11:012
3006995012,33cyclictest8222-21sh08:53:381
3006995011,33cyclictest4909-21vmstat09:32:151
3006995011,33cyclictest4909-21vmstat09:32:151
300299503,41cyclictest0-21swapper/010:24:530
300299503,41cyclictest0-21swapper/010:24:530
301299497,36cyclictest0-21swapper/211:23:242
301299494,37cyclictest0-21swapper/209:31:592
301299494,37cyclictest0-21swapper/209:31:592
301299493,40cyclictest0-21swapper/209:28:242
3012994911,32cyclictest0-21swapper/208:22:542
3012994911,31cyclictest0-21swapper/209:07:262
3012994911,31cyclictest0-21swapper/206:22:022
3012994911,31cyclictest0-21swapper/206:22:022
300299494,39cyclictest0-21swapper/008:31:160
300299493,41cyclictest0-21swapper/009:29:040
300299493,40cyclictest0-21swapper/011:46:310
300299493,40cyclictest0-21swapper/011:24:320
300299493,40cyclictest0-21swapper/010:04:140
300299493,40cyclictest0-21swapper/009:02:350
300299493,40cyclictest0-21swapper/008:00:260
300299493,40cyclictest0-21swapper/008:00:260
300299492,41cyclictest32269-21ls10:52:100
300299492,41cyclictest25350-21ssh10:43:120
3002994913,31cyclictest0-21swapper/008:51:580
301299485,37cyclictest0-21swapper/209:17:382
301299485,18cyclictest0-21swapper/211:49:432
301299484,9cyclictest0-21swapper/211:20:522
301299484,37cyclictest0-21swapper/210:39:112
301299484,37cyclictest0-21swapper/210:27:282
301299484,37cyclictest0-21swapper/208:49:402
301299484,37cyclictest0-21swapper/208:49:402
301299484,36cyclictest0-21swapper/211:42:462
301299483,39cyclictest0-21swapper/210:36:332
3012994811,5cyclictest0-21swapper/210:56:282
3012994810,5cyclictest0-21swapper/208:33:202
3006994818,25cyclictest27299-21sh11:28:531
300299485,37cyclictest0-21swapper/008:48:590
300299485,37cyclictest0-21swapper/008:48:590
300299484,38cyclictest0-21swapper/010:47:100
300299484,38cyclictest0-21swapper/008:35:210
300299484,37cyclictest0-21swapper/010:10:430
300299483,8cyclictest0-21swapper/010:18:230
3002994812,5cyclictest0-21swapper/010:31:130
3002994812,31cyclictest0-21swapper/008:43:240
300299481,43cyclictest29058-21df_inode11:31:520
301299478,33cyclictest0-21swapper/211:08:482
301299478,33cyclictest0-21swapper/209:12:172
301299475,36cyclictest0-21swapper/211:01:502
301299474,37cyclictest0-21swapper/208:27:102
301299474,36cyclictest0-21swapper/211:27:442
301299474,36cyclictest0-21swapper/209:58:482
301299474,36cyclictest0-21swapper/208:56:442
301299474,36cyclictest0-21swapper/208:42:012
301299473,39cyclictest0-21swapper/209:21:552
301299473,38cyclictest0-21swapper/207:37:052
300299478,33cyclictest0-21swapper/009:16:230
300299475,35cyclictest0-21swapper/011:16:570
300299474,38cyclictest0-21swapper/011:48:050
300299474,37cyclictest0-21swapper/011:37:090
300299474,16cyclictest0-21swapper/008:38:350
300299473,39cyclictest0-21swapper/009:44:140
300299473,39cyclictest0-21swapper/009:25:540
300299473,39cyclictest0-21swapper/008:24:360
3002994710,31cyclictest0-21swapper/011:13:070
301299464,36cyclictest0-21swapper/211:14:012
301299464,36cyclictest0-21swapper/210:59:062
301299463,8cyclictest0-21swapper/208:55:452
301299463,37cyclictest0-21swapper/211:39:262
300699469,30cyclictest10875-21awk08:57:081
300299465,35cyclictest0-21swapper/006:26:590
300299464,36cyclictest0-21swapper/011:10:040
300299464,36cyclictest0-21swapper/010:57:510
300299464,36cyclictest0-21swapper/010:33:100
300299464,36cyclictest0-21swapper/009:56:460
300299463,38cyclictest0-21swapper/010:36:430
3002994612,28cyclictest0-21swapper/011:02:520
3002994610,5cyclictest5455-21cat07:52:040
3002994610,31cyclictest0-21swapper/008:21:440
24462465,14sleep10-21swapper/106:17:541
24462465,14sleep10-21swapper/106:17:541
300299454,35cyclictest0-21swapper/010:14:140
300299454,35cyclictest0-21swapper/009:47:310
300299453,37cyclictest0-21swapper/009:18:190
301299444,15cyclictest0-21swapper/210:43:262
300299444,35cyclictest0-21swapper/009:54:050
3006994325,13cyclictest14690-21ls08:16:591
301299423,34cyclictest0-21swapper/208:08:272
300299423,8cyclictest0-21swapper/007:36:450
300299423,34cyclictest0-21swapper/007:22:530
62502413,7sleep20-21swapper/207:53:112
3006994115,20cyclictest3085450ssh09:24:261
3006994110,25cyclictest10794-21sort08:06:581
300299414,32cyclictest0-21swapper/007:50:370
3006994024,11cyclictest18092-21runrttasks09:51:401
300299403,32cyclictest0-21swapper/006:26:450
300299403,32cyclictest0-21swapper/006:26:450
300299403,10cyclictest0-21swapper/007:36:520
89792393,7sleep20-21swapper/206:36:372
3006993922,12cyclictest9478-21ls10:22:101
3006993922,12cyclictest9478-21ls10:22:101
3006993918,15cyclictest6727-21grep06:27:181
3006993910,23cyclictest3005650ssh11:32:081
3006993827,7cyclictest21631-21uniq11:21:541
3006993822,11cyclictest30419-21ls07:32:061
3006993819,14cyclictest20110-21sshd07:05:371
3006993819,14cyclictest12290-21grep10:26:521
3006993819,14cyclictest10757-21ntpdc11:07:011
3006993819,13cyclictest21049-21/usr/sbin/munin08:27:111
3006993817,16cyclictest7385-21diskmemload10:20:071
3006993817,16cyclictest580-21ksmtuned08:12:551
3006993813,20cyclictest3265350ssh10:52:421
3006993813,19cyclictest29653-21cpu10:06:521
3006993812,20cyclictest3225550ssh08:42:121
218792383,7sleep20-21swapper/207:09:252
163282383,6sleep00-21swapper/006:55:020
300699374,28cyclictest0-21swapper/107:42:091
3006993720,12cyclictest4597-21runrttasks07:50:501
3006993720,12cyclictest27643-21/usr/sbin/munin08:36:571
3006993719,13cyclictest7880-21aten_rbpower_po11:46:501
3006993719,12cyclictest5317-21/usr/sbin/munin07:52:011
3006993718,14cyclictest21978-21sshd07:10:361
3006993717,14cyclictest0-21swapper/106:52:191
3006993716,15cyclictest21490-21hostname09:11:591
3006993714,18cyclictest2530-21cut08:46:541
3006993714,18cyclictest2530-21cut08:46:541
3006993712,19cyclictest32590-21perl09:26:571
3006993712,19cyclictest13915-21df11:11:531
3006993711,21cyclictest18935-21ssh09:07:421
294672373,6sleep00-21swapper/007:30:310
242723714,17sleep30-21swapper/306:17:433
242723714,17sleep30-21swapper/306:17:433
118272373,6sleep00-21swapper/008:07:530
3006993620,12cyclictest22295-21ksmtuned07:11:531
3006993619,12cyclictest719-21idleruntime11:36:561
3006993619,12cyclictest13247-21fschecks_time06:47:001
3006993619,12cyclictest10311-21/usr/sbin/munin06:37:151
3006993618,13cyclictest643-21runrttasks06:32:201
3006993618,13cyclictest25188-21timerandwakeup07:17:141
3006993618,13cyclictest18292-21runrttasks07:01:131
3006993618,12cyclictest28033-21ntp_kernel_err10:47:021
3006993617,14cyclictest8986-21cut08:02:001
3006993617,14cyclictest8986-21cut08:02:001
3006993617,14cyclictest4363-21ntp_offset06:22:091
3006993617,14cyclictest4363-21ntp_offset06:22:091
3006993614,17cyclictest643-21runrttasks10:37:011
3006993613,17cyclictest0-21swapper/107:36:461
3006993612,9cyclictest26232-21diskstats07:21:581
301299354,25cyclictest0-21swapper/207:11:592
3012993523,7cyclictest9839-21wc06:37:062
3012993523,7cyclictest1846-21tr07:42:052
3012993523,7cyclictest15706-21fgrep06:52:122
3006993518,12cyclictest7944-21grep07:57:161
3006993518,12cyclictest7944-21grep07:57:161
3006993518,12cyclictest29518-21runrttasks07:31:051
3006993516,13cyclictest11251-21df06:41:571
217162353,6sleep00-21swapper/007:07:250
301299344,24cyclictest0-21swapper/207:06:382
301299343,26cyclictest0-21swapper/207:16:592
3012993422,8cyclictest13475-21wc08:12:132
3012993422,7cyclictest14680-21idleruntime08:16:582
3002993423,7cyclictest25680-21awk07:19:530
3002993421,8cyclictest12618-21cut08:11:580
301299333,26cyclictest0-21swapper/207:50:362
3012993318,10cyclictest27306-21sed07:22:152
300299334,24cyclictest0-21swapper/006:47:140
301299323,24cyclictest0-21swapper/207:00:592
3012993222,7cyclictest30537-21grep07:32:072
301299314,21cyclictest0-21swapper/207:57:102
301299314,21cyclictest0-21swapper/207:57:102
301299314,21cyclictest0-21swapper/206:47:172
300299314,15cyclictest0-21swapper/006:42:130
300299313,23cyclictest0-21swapper/007:02:530
301299303,21cyclictest0-21swapper/208:02:032
301299303,21cyclictest0-21swapper/208:02:032
300299304,21cyclictest0-21swapper/006:37:430
300299303,23cyclictest0-21swapper/008:02:190
300299303,23cyclictest0-21swapper/008:02:190
3002993021,6cyclictest18183-21awk06:59:520
301299293,21cyclictest0-21swapper/207:27:082
3012992919,6cyclictest5485-21/usr/sbin/munin06:26:582
3002992918,7cyclictest22501-21cut07:11:590
300299284,19cyclictest0-21swapper/007:44:420
300299284,18cyclictest0-21swapper/006:31:530
3012992719,4cyclictest29-21ksoftirqd/206:41:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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