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2026-04-30 - 10:34
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 30, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385322730,5sleep13857-21timerwakeupswit20:22:101
2038221860,4sleep0448099cyclictest00:45:570
2402421660,5sleep3449799cyclictest23:28:433
282921650,5sleep3449799cyclictest00:23:323
2756321370,3sleep0448099cyclictest01:33:430
1068911090,39ptp4l401ktimersoftd/320:24:193
276652760,3sleep30-21swapper/322:21:423
257222620,2sleep20-21swapper/221:07:062
108242610,2sleep30-21swapper/300:33:233
449199585,8cyclictest1893-21apt-get01:01:512
132082580,2sleep20-21swapper/221:51:422
449799547,17cyclictest25360-21ssh00:10:503
4491995419,17cyclictest33-21ksoftirqd/201:52:502
449799528,17cyclictest27365-21ssh00:54:073
449799528,13cyclictest26024-21ssh23:31:463
449799528,13cyclictest20267-21ssh23:25:393
449799528,13cyclictest16606-21ssh01:19:243
449799528,12cyclictest31459-21ssh00:17:293
449799528,12cyclictest31340-21ssh23:37:243
449799527,13cyclictest30031-21diskmemload01:41:573
449799526,13cyclictest1743-21ssh22:30:243
449799519,12cyclictest20581-21ssh22:48:353
449799518,12cyclictest20675-21ssh00:46:273
449799518,12cyclictest11113-21ssh01:53:243
449799517,12cyclictest9529-21chrt20:32:513
449799517,12cyclictest3590-21ssh23:04:473
449799517,12cyclictest16766-21chrt20:49:213
449799516,12cyclictest31601-21ssh23:00:373
449799516,11cyclictest28650-21chrt21:14:503
4491995122,5cyclictest33-21ksoftirqd/200:58:542
449799508,13cyclictest4846-21ssh22:32:173
449799508,13cyclictest29366-21switchtime22:22:123
449799508,12cyclictest30031-21diskmemload01:23:573
449799507,13cyclictest24805-21ssh00:50:083
449799503,22cyclictest6664-21grep00:27:133
449199506,9cyclictest9663-21munin-run00:31:462
4491995020,7cyclictest33-21ksoftirqd/201:31:482
449199501,6cyclictest28986-21munin-run23:36:452
92302490,2sleep30-21swapper/301:10:373
449799499,12cyclictest31735-21ssh01:37:243
449799498,19cyclictest12716-21ssh23:16:353
449799498,11cyclictest15183-21ssh23:17:233
449799497,12cyclictest8075-21ssh01:48:373
449799497,11cyclictest26987-21ssh22:56:083
449799497,10cyclictest30031-21diskmemload22:46:323
449199497,10cyclictest29475-21apt-get00:16:582
4491994921,4cyclictest33-21ksoftirqd/223:48:372
449799489,12cyclictest32158-21ssh00:58:533
449799486,11cyclictest19547-21ssh00:04:173
449799485,9cyclictest30031-21diskmemload01:32:533
449799485,11cyclictest10596-21chrt21:46:213
4497994810,19cyclictest13958-21awk20:42:083
449199486,9cyclictest22443-21awk22:51:432
449199485,9cyclictest25781-21munin-run00:51:462
449199484,9cyclictest33-21ksoftirqd/221:31:422
449199484,6cyclictest33-21ksoftirqd/222:51:572
449199483,7cyclictest33-21ksoftirqd/221:46:432
449199482,7cyclictest33-21ksoftirqd/201:17:032
4491994822,4cyclictest33-21ksoftirqd/222:32:042
4491994821,4cyclictest33-21ksoftirqd/201:09:142
4491994819,4cyclictest33-21ksoftirqd/200:46:142
4491994818,3cyclictest121rcu_preempt00:06:032
42272484,31sleep20-21swapper/220:24:432
103412480,2sleep10-21swapper/101:12:081
449799477,13cyclictest25558-21ssh01:30:413
449799477,12cyclictest4848-21ssh23:46:463
449199474,7cyclictest33-21ksoftirqd/220:31:452
449199472,8cyclictest33-21ksoftirqd/222:41:442
4491994721,4cyclictest33-21ksoftirqd/220:29:562
4491994720,6cyclictest33-21ksoftirqd/223:21:442
449199471,7cyclictest29389-21ssh01:36:472
449199471,7cyclictest25302-21awk22:16:422
449799467,12cyclictest10019-21ssh22:37:193
449799465,11cyclictest0-21swapper/321:21:313
449199465,4cyclictest33-21ksoftirqd/221:56:552
449199464,8cyclictest33-21ksoftirqd/200:41:462
449199463,7cyclictest33-21ksoftirqd/223:15:242
449199463,7cyclictest33-21ksoftirqd/201:38:152
449199462,8cyclictest33-21ksoftirqd/222:06:592
4491994622,4cyclictest33-21ksoftirqd/223:56:402
4491994620,4cyclictest33-21ksoftirqd/223:37:492
4491994620,4cyclictest33-21ksoftirqd/201:42:432
4491994620,4cyclictest33-21ksoftirqd/200:24:072
449199461,8cyclictest33-21ksoftirqd/220:46:412
449199461,7cyclictest33-21ksoftirqd/221:16:422
449799457,12cyclictest32598-21awk21:22:033
449799456,11cyclictest3421-21chrt23:44:413
449799456,10cyclictest4545-21ssh01:06:213
449799455,11cyclictest5859-21taskset21:36:343
4497994510,18cyclictest22325-21timerandwakeup22:07:113
449199456,5cyclictest33-21ksoftirqd/223:56:582
449199456,10cyclictest33-21ksoftirqd/223:27:032
449199453,8cyclictest33-21ksoftirqd/222:02:072
449199453,6cyclictest33-21ksoftirqd/222:28:592
4491994535,3cyclictest33-21ksoftirqd/201:24:262
449199452,8cyclictest33-21ksoftirqd/223:02:132
449199451,14cyclictest33-21ksoftirqd/221:01:582
449199450,8cyclictest33-21ksoftirqd/200:56:472
449199450,14cyclictest33-21ksoftirqd/221:31:542
449799448,12cyclictest8141-21ssh23:09:113
449799446,12cyclictest233-21systemd-journal21:56:223
449799446,10cyclictest0-21swapper/323:55:393
449199446,8cyclictest5158-21apt-get23:06:572
449199446,5cyclictest33-21ksoftirqd/200:35:272
4491994433,3cyclictest33-21ksoftirqd/200:14:572
4491994419,4cyclictest33-21ksoftirqd/201:12:022
449199441,7cyclictest33-21ksoftirqd/220:56:572
449199440,13cyclictest33-21ksoftirqd/221:52:112
449799438,14cyclictest12037-21chrt20:39:253
449799436,17cyclictest15706-21sh00:38:213
449799436,12cyclictest16635-21sh00:00:023
449799436,11cyclictest27404-21sh00:13:583
449799435,16cyclictest233-21systemd-journal21:47:373
449199438,3cyclictest33-21ksoftirqd/222:41:572
449199436,10cyclictest33-21ksoftirqd/201:47:072
449199432,7cyclictest33-21ksoftirqd/222:57:022
4491994319,8cyclictest33-21ksoftirqd/220:46:542
449199431,8cyclictest33-21ksoftirqd/220:37:082
449199431,7cyclictest33-21ksoftirqd/222:22:072
449199431,7cyclictest33-21ksoftirqd/200:06:582
4491994316,9cyclictest33-21ksoftirqd/221:21:422
449199431,32cyclictest33-21ksoftirqd/220:52:092
449799427,10cyclictest19179-21taskset20:54:593
449799426,9cyclictest11062-21sh01:13:213
449799426,11cyclictest0-21swapper/321:00:503
449199426,9cyclictest8273-21idleruntime-cro21:41:422
449199420,12cyclictest33-21ksoftirqd/222:17:012
449199417,3cyclictest33-21ksoftirqd/223:23:572
449199412,5cyclictest0-21swapper/221:22:042
449199410,8cyclictest33-21ksoftirqd/223:42:102
449799405,11cyclictest233-21systemd-journal21:09:503
449799404,13cyclictest23268-21grep22:11:563
449799396,13cyclictest6675-21runrttasks20:30:093
449799396,11cyclictest233-21systemd-journal21:29:513
449799396,10cyclictest233-21systemd-journal22:06:073
449799383,13cyclictest16867-21cut21:57:023
449799356,12cyclictest23790-21chrt21:03:103
448599322,6cyclictest121rcu_preempt01:40:291
307912320,5sleep130790-21python00:57:101
449799305,10cyclictest8242-21taskset21:41:323
448099301,10cyclictest23217-21apt-get22:11:540
168752300,2sleep10-21swapper/122:45:371
448599291,25cyclictest15807-21rm23:18:261
4480992923,3cyclictest9-21ksoftirqd/021:56:540
4480992916,4cyclictest9-21ksoftirqd/001:40:290
33162296,10sleep00-21swapper/020:22:020
4485992721,3cyclictest25-21ksoftirqd/100:36:141
4485992720,4cyclictest25-21ksoftirqd/122:05:511
4485992620,3cyclictest25-21ksoftirqd/123:56:191
4485992619,4cyclictest25-21ksoftirqd/122:17:191
4485992619,4cyclictest13867-21snmp_o5powerctl20:42:051
4485992612,4cyclictest22432-21idleruntime-cro22:51:431
4480992621,3cyclictest9-21ksoftirqd/021:26:130
4480992619,4cyclictest9-21ksoftirqd/021:06:520
4485992519,3cyclictest25-21ksoftirqd/120:34:251
4485992518,4cyclictest25-21ksoftirqd/122:24:011
4480992520,3cyclictest9-21ksoftirqd/001:04:290
4480992519,3cyclictest9-21ksoftirqd/022:03:230
4480992519,3cyclictest9-21ksoftirqd/020:53:580
4480992518,4cyclictest30469-21snmp_o5powerctl21:17:060
4480992518,4cyclictest29765-21grep23:37:010
203962250,20sleep00-21swapper/023:25:520
448599249,11cyclictest683-21gltestperf23:02:011
4485992419,3cyclictest25-21ksoftirqd/123:36:571
4485992418,3cyclictest25-21ksoftirqd/121:06:221
4485992417,3cyclictest25-21ksoftirqd/121:20:531
4485992412,9cyclictest25-21ksoftirqd/100:37:351
448599240,21cyclictest6086-21irqstats00:27:041
4480992419,3cyclictest9-21ksoftirqd/001:17:050
4480992419,3cyclictest9-21ksoftirqd/000:15:260
40482240,4sleep1241ktimersoftd/121:31:541
4485992317,4cyclictest25-21ksoftirqd/121:48:361
4485992317,4cyclictest10756-21cat21:46:431
4485992317,3cyclictest25-21ksoftirqd/123:58:241
4485992317,3cyclictest25-21ksoftirqd/121:29:361
4485992317,3cyclictest25-21ksoftirqd/121:24:131
4485992316,4cyclictest31583-21grep22:27:041
4485992316,4cyclictest25-21ksoftirqd/123:08:541
4485992316,4cyclictest25-21ksoftirqd/122:13:131
4485992316,4cyclictest25-21ksoftirqd/121:38:361
4485992316,4cyclictest25-21ksoftirqd/120:37:261
448599231,4cyclictest26664-21/usr/sbin/munin21:12:021
448599231,3cyclictest16599-21ssh01:19:241
4480992318,3cyclictest9-21ksoftirqd/022:28:300
4480992317,3cyclictest9-21ksoftirqd/022:40:300
4480992316,4cyclictest9-21ksoftirqd/020:44:400
288522230,2sleep00-21swapper/022:22:040
4485992216,3cyclictest25-21ksoftirqd/122:00:491
4485992216,3cyclictest25-21ksoftirqd/121:08:381
4485992216,3cyclictest21156-21grep22:06:591
4485992215,4cyclictest25-21ksoftirqd/120:50:071
4485992215,4cyclictest25-21ksoftirqd/101:54:191
448599221,4cyclictest20508-21ssh00:05:541
4485992214,5cyclictest19141-21ssh01:23:211
4485992214,5cyclictest1055-21runrttasks00:08:521
4485992214,4cyclictest25-21ksoftirqd/122:56:251
448599221,18cyclictest0-21swapper/122:31:581
4480992217,3cyclictest9-21ksoftirqd/023:19:180
4480992217,3cyclictest9-21ksoftirqd/020:33:570
4480992216,3cyclictest9-21ksoftirqd/021:49:200
4480992216,3cyclictest13563-21cut00:37:010
4480992215,4cyclictest9-21ksoftirqd/021:15:190
4480992215,4cyclictest4964-21/usr/sbin/munin23:47:080
448099221,2cyclictest0-21swapper/001:01:470
448099221,19cyclictest0-21swapper/000:47:110
448099221,18cyclictest31439-21ssh23:00:200
448599211,6cyclictest11010-21ssh23:13:431
4485992114,4cyclictest19314-21sh23:24:021
448599211,17cyclictest21966-21df01:27:011
4485992110,7cyclictest29512-21unixbench_multi22:57:121
448599210,19cyclictest0-21swapper/120:58:181
4480992116,3cyclictest9-21ksoftirqd/022:43:360
4480992116,3cyclictest9-21ksoftirqd/022:08:520
4480992116,3cyclictest9-21ksoftirqd/001:11:020
4480992116,3cyclictest9-21ksoftirqd/000:08:270
4480992115,3cyclictest9-21ksoftirqd/021:39:520
4480992115,3cyclictest9-21ksoftirqd/021:00:130
4480992114,4cyclictest6343-21grep23:07:060
4480992114,4cyclictest5065-21/usr/sbin/munin00:26:590
4480992114,4cyclictest10086-21/usr/sbin/munin20:36:560
448099211,18cyclictest0-21swapper/001:27:440
448099211,17cyclictest8572-21apt-get21:41:550
448099211,17cyclictest2509-21rm01:42:290
448099211,17cyclictest1741-21ssh23:02:130
4485992015,3cyclictest20874-21latency_hist00:46:461
4485992013,4cyclictest6497-21missed_timers01:47:071
4485992013,4cyclictest28264-21sh01:34:531
4485992013,4cyclictest22606-21ptp4l23:27:061
4485992012,5cyclictest1055-21runrttasks23:33:041
448599201,17cyclictest3954-21ssh01:05:221
448599201,17cyclictest0-21swapper/101:43:001
448599201,16cyclictest4000-21ssh00:25:301
448599201,16cyclictest13216-21apt-get21:51:471
448599201,16cyclictest0-21swapper/123:47:021
448599201,16cyclictest0-21swapper/120:51:541
448599200,18cyclictest0-21swapper/100:14:461
448099201,4cyclictest7676-21ssh01:47:560
4480992014,4cyclictest19156-21proc_pri22:47:040
4480992014,3cyclictest9-21ksoftirqd/023:12:420
4480992014,3cyclictest9-21ksoftirqd/021:27:190
4480992014,3cyclictest4666-21/usr/sbin/munin20:26:550
448099201,3cyclictest30031-21diskmemload01:13:560
4480992013,4cyclictest4256-21grep22:32:040
4480992013,4cyclictest30031-21diskmemload23:31:490
448099201,17cyclictest0-21swapper/000:33:030
448099200,18cyclictest0-21swapper/021:52:350
448099200,18cyclictest0-21swapper/000:23:020
448599193,10cyclictest5410-21apt-get01:06:571
4485991913,4cyclictest29772-21entropy00:17:011
4485991913,3cyclictest22903-21sed00:47:151
4485991912,4cyclictest4675-21cat20:26:511
4485991912,4cyclictest3512-21sh23:44:511
448599190,17cyclictest0-21swapper/122:39:041
4480991915,2cyclictest30031-21diskmemload00:55:110
4480991914,3cyclictest9-21ksoftirqd/023:57:030
4480991913,3cyclictest9-21ksoftirqd/022:19:410
4480991913,3cyclictest9-21ksoftirqd/021:02:460
4480991913,3cyclictest30031-21diskmemload23:46:240
4480991913,3cyclictest21227-21/usr/sbin/munin23:27:060
448099191,2cyclictest0-21swapper/022:51:560
4480991912,4cyclictest9-21ksoftirqd/021:33:020
448099191,16cyclictest0-21swapper/023:56:260
448099191,16cyclictest0-21swapper/000:02:520
448099190,17cyclictest0-21swapper/020:48:010
448099190,17cyclictest0-21swapper/001:22:520
4485991811,4cyclictest30031-21diskmemload00:52:581
4480991812,3cyclictest29538-21cpu00:16:580
448099180,16cyclictest0-21swapper/001:51:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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