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2026-08-07 - 15:17
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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 Fri Aug 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2379421580,4sleep21090199cyclictest13:53:332
2011921480,5sleep01089199cyclictest09:37:010
1068911060,4ptp4l401ktimersoftd/309:20:323
24552670,2sleep30-21swapper/314:38:063
106891670,2ptp4l401ktimersoftd/312:47:093
1089599641,28cyclictest30356-21vmstat09:57:081
106891640,1ptp4l401ktimersoftd/314:26:253
106891630,1ptp4l401ktimersoftd/314:29:343
277682620,2sleep01089199cyclictest11:45:150
107872624,10sleep20-21swapper/209:21:302
106891610,1ptp4l401ktimersoftd/313:18:173
106891610,1ptp4l401ktimersoftd/313:18:173
60362600,1sleep30-21swapper/314:08:443
1089599580,25cyclictest4884-21timerwakeupswit10:12:061
1089199589,16cyclictest3826-21diskmemload14:18:220
106891580,1ptp4l401ktimersoftd/311:36:203
106891580,1ptp4l401ktimersoftd/311:36:203
106891570,1ptp4l401ktimersoftd/314:05:333
1089599561,27cyclictest20456-21timerwakeupswit09:37:071
1089599560,25cyclictest15431-21ssh12:38:241
1089199567,17cyclictest22687-21unixbench_multi12:12:110
106891560,2ptp4l3727-21kworker/3:013:09:573
28792550,1sleep00-21swapper/014:06:400
10901995514,7cyclictest33-21ksoftirqd/210:16:392
1089599550,25cyclictest32622-21unixbench_multi14:02:131
1089599541,28cyclictest9682-21awk14:12:111
1089199547,16cyclictest3826-21diskmemload14:50:500
1089199546,24cyclictest3826-21diskmemload12:03:560
1089199546,17cyclictest32531-21apt-get14:36:570
1089199546,16cyclictest8084-21/usr/sbin/munin13:37:120
89452530,1sleep00-21swapper/014:45:540
1089599531,27cyclictest14402-21ssh13:11:531
1089599531,25cyclictest19167-21python12:42:051
1089599531,24cyclictest15111-21ssh14:17:351
1089599530,28cyclictest11987-21ssh12:35:511
1089199536,18cyclictest22133-21ssh13:18:500
1089199536,18cyclictest22133-21ssh13:18:500
1089599521,26cyclictest12827-21ssh12:02:121
1089599520,28cyclictest5392-21ssh14:07:361
1089599520,26cyclictest22536-21ssh12:12:101
1089199526,15cyclictest3826-21diskmemload14:10:270
1089199525,16cyclictest3826-21diskmemload11:22:390
1089199525,16cyclictest11440-21ssh12:34:540
10901995110,6cyclictest33-21ksoftirqd/211:57:292
1089199517,14cyclictest21370-21ssh12:45:180
1089199516,14cyclictest5073-21ssh12:27:210
1089199515,16cyclictest3826-21diskmemload11:28:500
1089199515,16cyclictest18406-21ssh13:47:390
1089199515,15cyclictest1100-21ssh12:23:540
1089599501,34cyclictest16977-21ssh11:33:331
1089599501,34cyclictest16977-21ssh11:33:331
1089599501,29cyclictest25949-21runrttasks13:56:541
1089199507,14cyclictest1607-21ssh13:31:500
1089199506,14cyclictest27049-21ssh13:23:550
1089199506,13cyclictest4064-21ssh11:53:290
1089199506,13cyclictest25106-21ssh13:55:500
1089199505,17cyclictest3826-21diskmemload12:48:110
1089199505,16cyclictest8683-21ssh11:58:040
1089199505,15cyclictest17292-21ssh11:34:050
1089199505,15cyclictest17292-21ssh11:34:050
1089599491,26cyclictest22746-21date09:42:071
1089599491,26cyclictest22746-21date09:42:071
1089599490,24cyclictest10106-21df14:46:591
1089199497,9cyclictest20272-21memory11:37:000
1089199497,13cyclictest13237-21munin-run09:26:380
1089199497,12cyclictest32732-21gltestperf12:56:580
1089199496,8cyclictest27451-21apt-get12:51:560
1089199495,7cyclictest24704-21apt-get10:56:520
68132480,2sleep10-21swapper/113:36:581
1090199485,7cyclictest64-21kswapd014:11:452
1090199485,7cyclictest1051-21munin-run11:51:412
1090199483,7cyclictest33-21ksoftirqd/214:36:582
1089599481,25cyclictest25721-21sed11:42:071
1089599480,26cyclictest28162-21ssh12:18:031
1089199487,16cyclictest22187-21sed10:51:410
1089199486,16cyclictest3826-21diskmemload12:21:110
106891480,2ptp4l5387-21kworker/3:211:43:213
1090199477,8cyclictest4247-21apt-get11:21:522
1090199470,6cyclictest321ktimersoftd/214:32:092
1089599471,32cyclictest12084-21ssh13:08:171
1089599471,27cyclictest21460-21timerwakeupswit10:47:101
1089599471,22cyclictest0-21swapper/112:56:231
1089599470,25cyclictest0-21swapper/113:30:051
1089199477,8cyclictest26107-21cpu13:56:580
1089199477,15cyclictest29265-21ssh14:32:140
1089199475,16cyclictest3826-21diskmemload13:13:420
1090199466,9cyclictest33-21ksoftirqd/212:56:422
1090199466,7cyclictest7782-21munin-run10:21:392
1090199465,7cyclictest33-21ksoftirqd/213:31:442
1090199465,7cyclictest33-21ksoftirqd/211:56:422
1090199463,7cyclictest33-21ksoftirqd/214:22:002
1090199463,6cyclictest33-21ksoftirqd/212:26:552
1089599461,31cyclictest1539-21gdbus13:31:451
1089599461,28cyclictest8191-21vmstat11:57:121
1089599460,28cyclictest5397-21fschecks_time14:42:011
1089599460,24cyclictest27917-21irqrtprio11:01:581
1089599460,21cyclictest0-21swapper/114:25:171
1090199457,8cyclictest33-21ksoftirqd/210:21:562
1090199456,9cyclictest33-21ksoftirqd/213:21:552
1090199456,9cyclictest33-21ksoftirqd/210:46:582
1090199456,8cyclictest33-21ksoftirqd/212:46:562
1090199456,8cyclictest33-21ksoftirqd/212:16:422
1090199456,8cyclictest33-21ksoftirqd/212:01:592
1090199456,8cyclictest33-21ksoftirqd/211:36:552
1090199456,7cyclictest33-21ksoftirqd/213:41:442
1090199456,7cyclictest33-21ksoftirqd/212:42:072
1090199456,10cyclictest1093-21apt-get13:31:452
1090199455,8cyclictest33-21ksoftirqd/211:31:542
1090199455,8cyclictest33-21ksoftirqd/211:31:542
1090199454,9cyclictest33-21ksoftirqd/212:07:052
10895994538,4cyclictest3028-21apt10:11:391
1089599451,27cyclictest20653-21ssh13:51:331
1089599451,26cyclictest9130-21apt-key11:26:411
1089599451,21cyclictest24197-21apt-get13:21:551
1089599450,26cyclictest23506-21seq13:53:031
1089599450,24cyclictest24770-21cut09:46:581
1089599450,24cyclictest24770-21cut09:46:581
1089599450,23cyclictest3826-21diskmemload12:47:421
1090199446,9cyclictest33-21ksoftirqd/209:31:542
1090199446,9cyclictest30892-21apt-get14:01:562
1090199446,8cyclictest33-21ksoftirqd/212:37:052
1090199446,8cyclictest33-21ksoftirqd/210:37:092
1090199446,8cyclictest2737-21munin-run12:26:422
1090199446,7cyclictest33-21ksoftirqd/213:07:022
1090199446,7cyclictest33-21ksoftirqd/210:46:412
1090199446,7cyclictest33-21ksoftirqd/210:31:402
1090199446,7cyclictest12925-21snmp_o5powerctl13:42:102
1090199445,8cyclictest33-21ksoftirqd/214:16:582
1090199445,8cyclictest33-21ksoftirqd/210:06:392
1090199445,8cyclictest13265-21munin-node09:26:382
1090199445,7cyclictest33-21ksoftirqd/211:42:022
1090199445,6cyclictest33-21ksoftirqd/209:41:552
1090199445,6cyclictest33-21ksoftirqd/209:41:552
1090199444,6cyclictest33-21ksoftirqd/214:47:132
1090199443,7cyclictest33-21ksoftirqd/213:50:072
1090199442,7cyclictest33-21ksoftirqd/213:17:142
1090199442,7cyclictest33-21ksoftirqd/213:17:142
1090199442,7cyclictest33-21ksoftirqd/213:06:432
10901994418,6cyclictest33-21ksoftirqd/212:57:052
1089599441,25cyclictest5509-21runrttasks12:28:071
1089599441,22cyclictest1688-21/usr/sbin/munin11:16:571
1089199447,11cyclictest5505-21latency_hist10:16:390
1089199446,8cyclictest17830-21df10:41:550
1089199446,16cyclictest3826-21diskmemload14:27:560
1089199446,15cyclictest3826-21diskmemload14:22:420
1089199446,13cyclictest13727-21irqstats10:31:580
1089199445,7cyclictest22334-21apt-get10:51:500
1089199445,13cyclictest16094-21irqstats10:36:590
1090199437,8cyclictest33-21ksoftirqd/211:16:542
1090199436,8cyclictest33-21ksoftirqd/209:31:382
1090199436,7cyclictest33-21ksoftirqd/211:26:572
1090199436,7cyclictest33-21ksoftirqd/210:07:032
1090199436,7cyclictest33-21ksoftirqd/210:01:392
1090199436,6cyclictest33-21ksoftirqd/210:51:512
1090199436,5cyclictest33-21ksoftirqd/214:42:152
1090199435,7cyclictest33-21ksoftirqd/213:11:562
1090199435,6cyclictest33-21ksoftirqd/212:21:422
1090199434,9cyclictest33-21ksoftirqd/212:32:122
1089599431,24cyclictest22113-21ssh11:38:561
1089599430,28cyclictest28215-21hddtemp_smartct14:32:031
1089599430,27cyclictest22807-21ssh13:20:011
1089599430,27cyclictest22807-21ssh13:20:011
1089599430,27cyclictest11792-21chrt10:27:041
1089599430,25cyclictest29488-21awk11:06:521
1089599430,21cyclictest0-21swapper/114:27:581
1089199436,8cyclictest29682-21df11:06:530
1089199436,12cyclictest26539-21df09:51:510
1089199436,12cyclictest26539-21df09:51:510
106891430,1ptp4l401ktimersoftd/314:31:563
1090199426,7cyclictest33-21ksoftirqd/211:06:532
1090199425,7cyclictest33-21ksoftirqd/214:12:022
1090199425,7cyclictest33-21ksoftirqd/211:12:092
1090199425,7cyclictest33-21ksoftirqd/210:36:402
1090199423,7cyclictest33-21ksoftirqd/213:57:132
1090199423,10cyclictest33-21ksoftirqd/209:51:532
1090199423,10cyclictest33-21ksoftirqd/209:51:532
1090199422,5cyclictest33-21ksoftirqd/214:27:042
1089599420,29cyclictest1399-21ssh12:24:251
1089599420,23cyclictest5743-21cpu10:16:561
1089199426,8cyclictest3826-21diskmemload13:08:200
1090199416,6cyclictest33-21ksoftirqd/209:46:552
1090199416,6cyclictest33-21ksoftirqd/209:46:552
1090199416,10cyclictest33-21ksoftirqd/209:36:522
1090199415,7cyclictest33-21ksoftirqd/210:56:532
1090199414,8cyclictest33-21ksoftirqd/211:01:552
1089599410,27cyclictest27331-21/usr/sbin/munin09:51:581
1089599410,27cyclictest27331-21/usr/sbin/munin09:51:581
1089599410,24cyclictest1605-21/usr/sbin/munin14:37:131
1089599410,21cyclictest12939-21ssh13:42:111
1089199415,8cyclictest3826-21diskmemload13:02:240
1089199415,16cyclictest31938-21ssh11:49:040
1089199415,10cyclictest3826-21diskmemload12:39:310
1089599400,25cyclictest30933-21taskset10:01:411
1089199407,18cyclictest15910-21ssh13:46:440
1089199406,8cyclictest8340-21df_inode10:21:530
1089199405,15cyclictest31291-21ssh13:27:530
1089199405,14cyclictest5725-21apt-get10:16:550
106891400,1ptp4l401ktimersoftd/312:30:083
106891400,1ptp4l401ktimersoftd/311:56:423
100892403,22sleep010092-21/usr/sbin/munin09:17:040
1089599390,24cyclictest15963-21ssh12:06:491
1089199394,15cyclictest11402-21ssh14:14:340
106891390,1ptp4l401ktimersoftd/310:26:393
1089599383,28cyclictest14198-21apt-get09:26:511
10895993817,18cyclictest10882-21cyclictest09:21:371
1089599380,22cyclictest32277-21rm11:49:401
106891380,1ptp4l401ktimersoftd/314:17:093
106891380,1ptp4l401ktimersoftd/313:33:453
106891380,1ptp4l401ktimersoftd/313:24:143
106891380,1ptp4l401ktimersoftd/312:26:143
1089599372,27cyclictest22334-21apt-get10:51:501
1089599371,33cyclictest4238-21ssh13:01:311
1089599370,22cyclictest3826-21diskmemload11:51:591
1089199377,16cyclictest16072-21ssh12:06:530
10891993731,3cyclictest624-21cron10:06:390
1089199372,16cyclictest25339-21ssh09:47:070
1089199372,16cyclictest25339-21ssh09:47:070
106891370,2ptp4l5387-21kworker/3:211:37:293
106891370,1ptp4l401ktimersoftd/314:50:403
106891370,1ptp4l401ktimersoftd/314:15:333
106891370,1ptp4l401ktimersoftd/313:54:313
106891370,1ptp4l401ktimersoftd/313:13:303
106891370,1ptp4l401ktimersoftd/313:03:513
106891370,1ptp4l401ktimersoftd/312:58:393
106891370,1ptp4l401ktimersoftd/312:42:053
106891370,1ptp4l401ktimersoftd/312:34:233
106891370,0ptp4l401ktimersoftd/311:01:363
1089599361,21cyclictest0-21swapper/110:36:381
106891360,1ptp4l401ktimersoftd/313:40:563
106891360,1ptp4l401ktimersoftd/313:30:593
106891360,1ptp4l401ktimersoftd/312:56:343
106891360,1ptp4l401ktimersoftd/311:50:533
106891360,1ptp4l401ktimersoftd/311:16:173
106891360,13ptp4l401ktimersoftd/313:44:393
106891360,0ptp4l401ktimersoftd/313:49:273
106891360,0ptp4l401ktimersoftd/312:17:163
106891360,0ptp4l401ktimersoftd/312:04:523
1089599352,28cyclictest0-21swapper/110:36:521
1089599352,27cyclictest0-21swapper/110:56:511
10895993515,16cyclictest8475-21grep10:21:551
1089599350,21cyclictest3826-21diskmemload13:05:381
106891350,1ptp4l401ktimersoftd/313:59:283
106891350,1ptp4l401ktimersoftd/312:08:153
106891350,1ptp4l401ktimersoftd/310:17:563
10895993419,12cyclictest25-21ksoftirqd/109:23:131
1089599341,30cyclictest6715-21rm11:23:141
1089199344,8cyclictest530-21ps11:12:020
106891340,1ptp4l401ktimersoftd/312:15:203
106891340,1ptp4l401ktimersoftd/309:57:023
10895993314,16cyclictest32185-21fschecks_time11:11:561
10891993321,7cyclictest10448-21apt-get10:26:520
106891330,1ptp4l401ktimersoftd/311:27:463
106891330,1ptp4l401ktimersoftd/311:26:303
1089599321,27cyclictest18236-21irqrtprio10:41:591
106891320,1ptp4l401ktimersoftd/310:08:273
106891320,1ptp4l401ktimersoftd/309:29:043
1089599311,26cyclictest17434-21irqrtprio09:31:571
1089199317,8cyclictest18462-21sshd09:34:240
1089199317,8cyclictest1496-21if_enp1s010:06:570
10891993116,11cyclictest0-21swapper/009:26:510
10891993115,12cyclictest0-21swapper/009:41:510
10891993115,12cyclictest0-21swapper/009:41:510
106891310,1ptp4l401ktimersoftd/314:43:393
106891310,1ptp4l401ktimersoftd/311:04:343
106891310,1ptp4l401ktimersoftd/310:36:493
106891310,1ptp4l401ktimersoftd/310:29:313
106891310,1ptp4l401ktimersoftd/310:14:023
106891310,1ptp4l401ktimersoftd/309:54:013
106891310,1ptp4l401ktimersoftd/309:54:013
106891310,1ptp4l401ktimersoftd/309:33:053
106891310,10ptp4l401ktimersoftd/310:49:353
106891310,0ptp4l401ktimersoftd/312:37:483
106891310,0ptp4l401ktimersoftd/310:03:243
1089199307,9cyclictest27950-21irqstats11:01:590
106891300,8ptp4l401ktimersoftd/309:48:053
106891300,8ptp4l401ktimersoftd/309:48:053
106891300,1ptp4l401ktimersoftd/309:45:373
106891300,1ptp4l401ktimersoftd/309:45:373
106891290,7ptp4l401ktimersoftd/311:19:503
106891290,1ptp4l401ktimersoftd/311:56:203
10891992712,11cyclictest0-21swapper/009:56:500
106891270,0ptp4l401ktimersoftd/309:36:453
106891250,1ptp4l401ktimersoftd/311:11:173
106891250,1ptp4l401ktimersoftd/310:36:153
106891240,1ptp4l401ktimersoftd/310:52:573
106891240,1ptp4l401ktimersoftd/310:41:533
10891992313,7cyclictest1699-21cat11:16:500
106891230,1ptp4l401ktimersoftd/309:21:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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