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2025-12-26 - 08:14
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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 Fri Dec 26, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1618099795,68cyclictest0-21swapper/323:13:553
1618099754,22cyclictest0-21swapper/323:57:443
1618099712,63cyclictest28772-21cut21:48:033
16180997118,47cyclictest29070-21diskmemload00:28:333
1616599712,7cyclictest8703-21/usr/sbin/munin20:08:190
1616599712,7cyclictest8703-21/usr/sbin/munin20:08:190
1618099697,28cyclictest0-21swapper/322:45:343
1618099688,54cyclictest0-21swapper/322:05:283
16180996818,45cyclictest8770-21switchtime00:23:123
16180996812,50cyclictest0-21swapper/321:52:513
1618099675,56cyclictest0-21swapper/321:38:293
1618099675,56cyclictest0-21swapper/321:33:083
1618099675,55cyclictest0-21swapper/323:43:243
1618099675,55cyclictest0-21swapper/321:47:203
1618099675,27cyclictest0-21swapper/321:25:123
1618099672,58cyclictest10569-21/usr/sbin/munin20:13:203
1618099667,53cyclictest0-21swapper/320:53:013
1618099666,54cyclictest0-21swapper/322:21:553
1618099666,54cyclictest0-21swapper/322:21:553
1618099665,55cyclictest0-21swapper/323:59:253
1618099665,55cyclictest0-21swapper/323:31:343
1618099665,55cyclictest0-21swapper/322:37:103
1618099665,55cyclictest0-21swapper/322:23:133
1618099665,55cyclictest0-21swapper/321:29:063
1618099665,55cyclictest0-21swapper/321:29:063
1618099665,55cyclictest0-21swapper/321:13:033
1618099665,55cyclictest0-21swapper/300:07:403
1618099664,56cyclictest0-21swapper/323:09:303
1618099663,57cyclictest24334-21/usr/sbin/munin22:27:593
1618099663,57cyclictest19997-21aten_rbpower_po20:38:043
1618099662,58cyclictest4962-21/usr/sbin/munin19:58:153
1618099662,58cyclictest21795-21/usr/sbin/munin20:43:143
1618099662,29cyclictest16188-21/usr/sbin/munin20:28:213
1616599665,7cyclictest0-21swapper/019:02:530
1618099655,55cyclictest0-21swapper/321:58:503
1618099655,54cyclictest0-21swapper/323:32:513
1618099655,54cyclictest0-21swapper/323:05:313
1618099655,54cyclictest0-21swapper/322:14:063
1618099655,54cyclictest0-21swapper/322:12:183
1618099655,54cyclictest0-21swapper/300:16:183
1618099655,53cyclictest0-21swapper/322:38:263
1618099655,25cyclictest0-21swapper/323:51:533
1618099655,25cyclictest0-21swapper/323:51:533
1618099654,56cyclictest0-21swapper/321:11:413
1618099654,55cyclictest0-21swapper/323:42:233
1618099654,55cyclictest0-21swapper/322:56:493
1618099654,55cyclictest0-21swapper/322:48:303
1618099654,55cyclictest0-21swapper/321:03:263
1618099652,57cyclictest23665-21/usr/sbin/munin20:48:183
16176996537,22cyclictest28743-21ssh22:33:132
1616599658,8cyclictest0-21swapper/000:03:200
1616599653,8cyclictest15329-21ntp_states21:28:120
1616599653,8cyclictest15329-21ntp_states21:28:120
1618099645,53cyclictest0-21swapper/323:21:093
1618099645,53cyclictest0-21swapper/323:21:093
1618099645,53cyclictest0-21swapper/300:19:233
1618099645,53cyclictest0-21swapper/300:07:573
1618099643,55cyclictest8515-21/usr/sbin/munin21:18:183
1618099643,54cyclictest27511-21/usr/sbin/munin20:58:003
1618099642,57cyclictest13594-21missed_timers22:58:083
1618099642,56cyclictest12437-21/usr/sbin/munin20:18:063
1618099632,55cyclictest18556-21irqstats20:33:083
1618099622,54cyclictest10489-21latency_hist20:12:503
1618099622,54cyclictest10489-21latency_hist20:12:503
1618099622,54cyclictest0-21swapper/319:56:433
1617699622,8cyclictest3078-21/usr/sbin/munin19:53:212
1618099614,51cyclictest0-21swapper/323:23:063
1618099612,53cyclictest14308-21/usr/sbin/munin20:23:083
1616599618,8cyclictest0-21swapper/023:33:090
1618099603,52cyclictest0-21swapper/319:42:513
1618099602,52cyclictest24748-21iostat_ios19:23:083
1616599602,52cyclictest7288-21sshd20:03:080
1616599602,52cyclictest7288-21sshd20:03:080
1618099593,51cyclictest382-21systemd-journal19:22:513
1618099592,52cyclictest22305-21latency_hist19:17:523
1618099584,21cyclictest0-21swapper/319:50:203
16165995817,35cyclictest638-21runrttasks22:31:500
16176995725,27cyclictest19742-21ls23:53:052
1616599574,46cyclictest0-21swapper/019:59:330
16165995728,24cyclictest22295-21crond23:57:440
16165995716,35cyclictest554-21dbus-daemon19:52:500
1618099562,48cyclictest1154-21latency_hist19:47:513
16165995616,35cyclictest11405-21cpu00:27:590
1618099553,46cyclictest27929-21latency_hist19:32:523
1618099543,45cyclictest0-21swapper/319:03:093
16176995424,25cyclictest27989-21/usr/sbin/munin19:33:082
1616999547,14cyclictest0-21swapper/122:30:161
16169995411,37cyclictest0-21swapper/121:13:331
1616999541,46cyclictest1879-21/usr/sbin/munin21:08:241
1616599545,7cyclictest0-21swapper/022:44:530
1616599542,45cyclictest16598-21/usr/sbin/munin20:28:080
16165995417,32cyclictest638-21runrttasks23:38:460
16165995416,30cyclictest17207-21/usr/sbin/munin22:18:170
16165995416,30cyclictest17207-21/usr/sbin/munin22:18:170
16165995415,33cyclictest554-21dbus-daemon22:12:470
1618099533,45cyclictest0-21swapper/320:07:513
1618099533,45cyclictest0-21swapper/320:07:513
1618099532,46cyclictest20462-21latency_hist19:12:523
16176995321,27cyclictest16645-21grep23:48:122
16176995321,27cyclictest16645-21grep23:48:122
16176995318,29cyclictest22460-21wget19:18:032
1616999536,42cyclictest0-21swapper/123:06:051
1616999536,41cyclictest0-21swapper/122:55:371
1616999536,41cyclictest0-21swapper/121:32:271
1616999536,41cyclictest0-21swapper/121:32:271
1616999535,42cyclictest0-21swapper/122:59:411
1616999533,44cyclictest0-21swapper/100:19:101
1616999532,47cyclictest0-21swapper/121:03:181
16169995315,32cyclictest23524-21processes23:58:141
16165995321,27cyclictest4225-21grep19:53:210
16165995316,31cyclictest8821-21timerandwakeup00:23:130
16165995315,32cyclictest7847-21cut21:18:060
16165995315,32cyclictest24408-21ntpdc20:48:130
16165995314,33cyclictest19075-21cat20:33:180
16176995221,26cyclictest32614-21grep22:38:202
16176995218,28cyclictest6570-21missed_timers22:48:092
16176995217,29cyclictest638-21runrttasks21:12:492
16176995214,32cyclictest540-21ntpd00:28:092
1616999526,40cyclictest0-21swapper/123:43:481
1616999526,40cyclictest0-21swapper/123:10:441
1616999526,40cyclictest0-21swapper/122:33:031
1616999525,41cyclictest0-21swapper/123:20:171
1616999525,41cyclictest0-21swapper/123:20:171
1616999524,42cyclictest0-21swapper/122:43:011
1616999524,41cyclictest0-21swapper/123:28:591
1616999523,43cyclictest0-21swapper/122:51:591
1616999523,43cyclictest0-21swapper/121:57:481
1616999523,43cyclictest0-21swapper/100:28:241
1616999523,42cyclictest0-21swapper/123:54:031
1616599523,42cyclictest967-21ls21:08:080
1616599522,43cyclictest27721-21/usr/sbin/munin22:33:140
16165995219,27cyclictest19644-21wc19:08:200
16165995215,32cyclictest543-21systemd-logind21:37:470
16165995214,32cyclictest31774-21sed23:23:190
1618099513,44cyclictest0-21swapper/319:37:513
1617699513,6cyclictest13640-21ssh21:26:252
1617699513,42cyclictest16973-21kernelversion23:03:082
1617699513,11cyclictest13838-21rt-features22:58:122
16176995120,26cyclictest9010-21idleruntime23:38:022
16176995118,27cyclictest10342-21crond20:12:492
16176995118,27cyclictest10342-21crond20:12:492
16176995117,29cyclictest638-21runrttasks20:49:482
16176995117,29cyclictest638-21runrttasks19:43:032
16176995116,29cyclictest3169-21/usr/sbin/munin21:58:112
16176995116,29cyclictest10328-21rt-features22:53:142
16176995115,31cyclictest5241-21entropy23:33:002
16176995115,30cyclictest26846-21ntpdc19:28:142
16176995113,33cyclictest638-21runrttasks00:23:442
16176995112,31cyclictest10860-21fschecks_time20:13:042
16176995110,34cyclictest554-21dbus-daemon22:12:472
1616999518,38cyclictest0-21swapper/121:59:211
1616999515,40cyclictest0-21swapper/123:12:561
1616999515,15cyclictest0-21swapper/122:08:141
1616999514,9cyclictest0-21swapper/122:22:061
1616999514,9cyclictest0-21swapper/122:22:061
1616999513,42cyclictest0-21swapper/123:50:391
1616999513,42cyclictest0-21swapper/123:50:391
1616999513,42cyclictest0-21swapper/122:13:471
1616999513,42cyclictest0-21swapper/122:04:021
1616999512,44cyclictest3167-21ssh00:15:541
1616999512,43cyclictest0-21swapper/122:23:221
1616599515,10cyclictest0-21swapper/022:13:080
16165995124,22cyclictest23116-21ps21:38:540
16165995123,23cyclictest17438-21wc23:03:170
16165995115,30cyclictest25034-21open_inodes19:23:150
16165995114,31cyclictest2971-21sh23:28:240
16165995111,8cyclictest26321-21head21:43:190
1617699509,35cyclictest24563-21cut19:23:052
1617699503,41cyclictest25486-21grep22:28:182
16176995022,23cyclictest14510-21awk22:13:102
16176995017,28cyclictest21023-21timerandwakeup23:08:142
16176995016,29cyclictest638-21runrttasks00:00:102
16176995016,28cyclictest29083-21latency21:48:072
16176995015,30cyclictest31565-21timerandwakeup23:23:172
16176995015,30cyclictest27142-21fschecks_count23:18:012
16176995015,30cyclictest27142-21fschecks_count23:18:012
16176995015,29cyclictest19552-21/usr/sbin/munin19:08:192
16176995014,30cyclictest5410-21timerwakeupswit00:18:152
16176995014,30cyclictest20930-21fschecks_count22:23:022
16176995012,32cyclictest3685-21unixbench_singl22:43:202
1616999508,37cyclictest27991-21aten_rbpower_cu19:33:031
1616999505,40cyclictest0-21swapper/121:21:391
1616999505,39cyclictest0-21swapper/100:05:271
1616999504,40cyclictest0-21swapper/123:42:261
1616999504,40cyclictest0-21swapper/123:23:211
1616999504,40cyclictest0-21swapper/100:26:151
1616999503,41cyclictest0-21swapper/121:51:011
1616999503,41cyclictest0-21swapper/121:23:471
1616999503,41cyclictest0-21swapper/119:16:281
1616999503,41cyclictest0-21swapper/100:08:251
1616599505,7cyclictest0-21swapper/021:06:110
1616599503,9cyclictest22239-21/usr/sbin/munin20:43:060
1616599503,40cyclictest143082munin-node20:23:020
1616599503,11cyclictest15250-21ssh23:00:420
16165995018,27cyclictest638-21runrttasks23:21:450
16165995018,27cyclictest638-21runrttasks23:21:450
16165995016,29cyclictest638-21runrttasks19:30:130
16165995016,27cyclictest954-21unixbench_singl21:53:190
16165995016,27cyclictest21625-21processes22:23:130
16165995015,30cyclictest7717-21switchtime22:03:160
16165995015,30cyclictest20513-21aten_rbpower_cu19:13:020
16165995014,30cyclictest543-21systemd-logind20:42:490
1617699492,41cyclictest14569-21cut21:27:592
1617699492,41cyclictest14569-21cut21:27:592
16176994918,26cyclictest638-21runrttasks21:42:072
16176994918,26cyclictest25377-21grep21:43:032
16176994916,27cyclictest638-21runrttasks20:22:562
16176994915,29cyclictest18326-21timerandwakeup22:18:162
16176994915,29cyclictest18326-21timerandwakeup22:18:162
16176994915,28cyclictest26173-21aten_rbpower_po00:02:582
16176994915,27cyclictest18907-21processes20:33:152
16176994914,30cyclictest638-21runrttasks20:57:382
16176994914,29cyclictest638-21runrttasks23:44:452
16176994914,29cyclictest29550-21df_inode21:03:042
16176994913,30cyclictest7252-21latency22:03:072
16176994912,31cyclictest382-21systemd-journal19:58:092
1616999494,39cyclictest0-21swapper/121:37:591
1616999493,40cyclictest0-21swapper/123:36:211
1616999493,40cyclictest0-21swapper/122:41:521
1616999493,40cyclictest0-21swapper/121:43:511
1616999493,40cyclictest0-21swapper/121:33:231
1616599494,7cyclictest30297-21/usr/sbin/munin00:08:060
16165994922,22cyclictest32587-21unixbench_singl22:38:200
16165994917,27cyclictest29015-21interrupts21:48:050
16165994917,27cyclictest12058-21/usr/sbin/munin23:43:210
16165994916,28cyclictest29233-21grep19:33:230
16165994915,6cyclictest21140-21unixbench-2d23:08:160
16165994915,28cyclictest13716-21seq21:26:370
1617699483,8cyclictest8870-21/usr/sbin/munin21:18:222
16176994819,24cyclictest454-21ps21:53:132
16176994814,30cyclictest26638-21latency_hist23:17:472
16176994814,28cyclictest7119-21fschecks_time20:03:062
16176994814,28cyclictest7119-21fschecks_time20:03:062
16176994813,30cyclictest29962-21aten_rbpower_vo19:38:012
16176994811,32cyclictest638-21runrttasks21:33:482
1616999485,38cyclictest0-21swapper/119:23:191
1616599487,34cyclictest83152chrt22:50:560
1616599483,8cyclictest12971-21/usr/sbin/munin20:18:090
1616599483,39cyclictest18795-21sh23:52:450
1616599483,39cyclictest18795-21sh23:52:450
16165994815,27cyclictest638-21runrttasks00:01:250
16165994815,27cyclictest541-21vmstat19:43:210
1617699473,8cyclictest1815-21/usr/sbin/munin19:48:092
1617699473,38cyclictest5275-21unixbench_multi21:13:192
1617699472,8cyclictest30971-21rm00:08:172
16176994716,26cyclictest20928-21timerandwakeup20:38:222
16176994716,26cyclictest13467-21timerandwakeup20:18:192
16176994714,28cyclictest638-21runrttasks20:59:352
16176994714,27cyclictest1589-21proc_pri00:13:112
16176994711,31cyclictest1787-21fschecks_count23:28:002
16176994711,30cyclictest22909-21sed20:43:192
16176994711,30cyclictest20512-21/usr/sbin/munin19:13:222
1616999475,37cyclictest0-21swapper/119:43:081
1616999471,40cyclictest1991-21open_inodes19:48:131
1616599473,9cyclictest26272-21/usr/sbin/munin20:53:120
1616599473,16cyclictest25089-21ssh23:14:000
1616599472,11cyclictest1256-21iostat_ios00:13:040
16165994715,26cyclictest638-21runrttasks21:14:140
16165994715,26cyclictest27464-21hostname20:58:000
16165994712,7cyclictest3851-21sed21:58:100
16165994710,5cyclictest0-21swapper/022:56:040
1617699466,33cyclictest0-21swapper/219:02:542
16176994612,28cyclictest16360-21diskstats20:28:062
16169994610,31cyclictest0-21swapper/119:18:131
1616999461,39cyclictest18644-21/usr/sbin/munin19:08:121
1616599466,14cyclictest4521-21fschecks_count00:18:000
1616599463,9cyclictest11360-21/usr/sbin/munin20:13:140
1616599463,10cyclictest31370-21taskset19:41:140
147212463,10sleep214773-21/usr/sbin/munin18:58:082
1616999453,37cyclictest0-21swapper/119:05:441
1616999452,37cyclictest29929-21hostname19:38:011
1616999451,38cyclictest26118-21/usr/sbin/munin19:28:131
16165994515,24cyclictest23641-21vmstat19:18:230
1616999444,16cyclictest0-21swapper/121:02:491
1563123813,17sleep30-21swapper/318:59:223
16169993623,8cyclictest22977-21grep20:43:201
1590723511,17sleep10-21swapper/119:02:411
1571623512,17sleep00-21swapper/019:00:230
16169993416,12cyclictest24905-21seq20:48:221
16169993322,6cyclictest15137-21processes20:23:161
16169993321,8cyclictest6097-21sed19:58:201
16169993320,8cyclictest10805-21cut20:13:041
16169993310,17cyclictest0-21swapper/120:28:231
16169993218,9cyclictest26843-21logger20:53:491
1616999313,23cyclictest0-21swapper/120:08:031
1616999313,23cyclictest0-21swapper/120:08:031
1616999313,23cyclictest0-21swapper/120:06:481
1616999313,23cyclictest0-21swapper/120:06:481
16169993020,6cyclictest3133-21aten_rbpower_po19:53:021
16169993020,6cyclictest13309-21sendmail_mailqu20:18:161
16169993015,10cyclictest18135-21wget20:33:011
16169992917,8cyclictest20117-21forks20:38:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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