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2025-12-10 - 23:22
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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 Wed Dec 10, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2718721610,5sleep01217099cyclictest12:18:070
2047321480,5sleep11217699cyclictest08:42:451
1773911010,4ptp4l401ktimersoftd/308:25:323
290782700,2sleep20-21swapper/211:37:542
12176996810,20cyclictest2028-21latency10:17:531
1217699661,27cyclictest27360-21ssh11:36:381
1217699640,31cyclictest11237-21/usr/sbin/munin10:33:051
1217699640,28cyclictest13654-21proc_pri11:17:551
119832649,13sleep1241ktimersoftd/108:26:191
1217699630,31cyclictest1433-21/usr/sbin/munin13:07:561
1217699630,25cyclictest4654-21ssh13:12:431
1217699611,26cyclictest7133-21ssh13:53:351
47982600,2sleep04800-21latency_hist13:52:370
1217699601,25cyclictest32047-21taskset13:05:421
1217699591,24cyclictest26067-21taskset10:02:241
1217699590,32cyclictest11459-21ssh11:16:111
1217699590,26cyclictest18772-21taskset11:25:131
265462580,2sleep026549-21wc10:53:030
1217699580,24cyclictest31877-21sh12:25:131
1217699561,23cyclictest12389-21sh13:22:311
78742550,3sleep0101ktimersoftd/013:55:180
12186995512,8cyclictest41-21ksoftirqd/313:42:553
318092540,2sleep00-21swapper/013:45:020
1218699533,7cyclictest41-21ksoftirqd/311:45:203
1217699530,27cyclictest15711-21ps09:37:531
1217699530,20cyclictest1756-21ssh11:44:441
12186995219,8cyclictest41-21ksoftirqd/312:22:573
1217699520,24cyclictest15209-21sh13:24:401
204822510,2sleep220484-21rm10:47:032
1218699517,7cyclictest9321-21awk10:32:323
12186995123,4cyclictest41-21ksoftirqd/309:42:323
120642514,36sleep00-21swapper/008:27:230
1218699504,8cyclictest41-21ksoftirqd/308:42:303
1218699504,7cyclictest41-21ksoftirqd/311:02:503
1218699504,7cyclictest41-21ksoftirqd/311:02:503
12186995024,11cyclictest41-21ksoftirqd/313:37:493
1217699501,23cyclictest29467-21fschecks_count13:42:511
239802490,2sleep10-21swapper/108:48:031
208642490,2sleep10-21swapper/113:32:511
1218699494,7cyclictest23781-21ssh12:13:093
1218699492,8cyclictest41-21ksoftirqd/313:50:423
12186994922,8cyclictest41-21ksoftirqd/313:10:463
1217699490,24cyclictest5524-21diskmemload10:29:291
1217699490,23cyclictest5524-21diskmemload10:51:391
1218699487,7cyclictest41-21ksoftirqd/310:27:323
1218699486,9cyclictest41-21ksoftirqd/311:21:423
1218699486,8cyclictest41-21ksoftirqd/313:18:113
1218699486,7cyclictest41-21ksoftirqd/309:02:303
1218699486,6cyclictest18974-21munin-run09:47:313
1218699486,6cyclictest18510-21ssh12:07:353
1218699486,10cyclictest41-21ksoftirqd/310:54:163
1218699485,6cyclictest29395-21uniq13:02:533
1218699483,7cyclictest41-21ksoftirqd/309:08:023
1218699483,7cyclictest41-21ksoftirqd/309:08:023
12186994819,4cyclictest41-21ksoftirqd/312:27:373
1218699477,8cyclictest41-21ksoftirqd/310:57:503
1218699477,8cyclictest41-21ksoftirqd/310:57:503
1218699476,7cyclictest41-21ksoftirqd/311:32:383
1218699475,7cyclictest41-21ksoftirqd/309:27:313
1218699474,8cyclictest41-21ksoftirqd/311:59:463
1218699474,8cyclictest41-21ksoftirqd/310:17:333
1218699474,6cyclictest41-21ksoftirqd/311:12:513
1218699474,6cyclictest41-21ksoftirqd/309:02:453
1218699473,7cyclictest41-21ksoftirqd/313:02:263
1218699473,7cyclictest41-21ksoftirqd/308:42:473
12186994719,4cyclictest41-21ksoftirqd/312:45:013
1218699467,7cyclictest41-21ksoftirqd/312:33:073
1218699466,7cyclictest41-21ksoftirqd/311:22:583
1218699466,7cyclictest17317-21ssh10:42:453
1218699466,7cyclictest14272-21sed09:37:313
1218699466,5cyclictest41-21ksoftirqd/312:48:043
1218699466,5cyclictest41-21ksoftirqd/312:48:043
1218699465,8cyclictest41-21ksoftirqd/313:12:533
1218699465,7cyclictest41-21ksoftirqd/313:32:373
1218699465,7cyclictest41-21ksoftirqd/311:27:533
1218699465,7cyclictest41-21ksoftirqd/310:37:543
1218699464,7cyclictest41-21ksoftirqd/312:52:503
1218699464,7cyclictest41-21ksoftirqd/311:47:503
1218699464,6cyclictest41-21ksoftirqd/310:47:493
12186994618,4cyclictest41-21ksoftirqd/312:20:123
12186994614,9cyclictest41-21ksoftirqd/313:35:353
1217699460,25cyclictest18551-21taskset12:07:381
1218699456,7cyclictest41-21ksoftirqd/310:17:513
1218699455,8cyclictest41-21ksoftirqd/308:53:013
1218699455,7cyclictest41-21ksoftirqd/312:07:543
1218699455,7cyclictest41-21ksoftirqd/311:07:553
1218699455,7cyclictest41-21ksoftirqd/309:52:483
1218699454,7cyclictest41-21ksoftirqd/312:37:523
1218699453,7cyclictest41-21ksoftirqd/310:32:413
1218699452,7cyclictest41-21ksoftirqd/313:25:473
1218699451,7cyclictest41-21ksoftirqd/311:54:443
1218699446,8cyclictest41-21ksoftirqd/308:27:463
1218699446,7cyclictest41-21ksoftirqd/309:47:473
1218699445,7cyclictest41-21ksoftirqd/313:52:543
1218699444,7cyclictest41-21ksoftirqd/311:37:493
1218699443,6cyclictest41-21ksoftirqd/308:47:483
1217699440,21cyclictest0-21swapper/113:41:551
1217699440,19cyclictest21565-21/usr/sbin/munin09:52:511
1218699436,7cyclictest41-21ksoftirqd/309:17:573
1218699436,7cyclictest41-21ksoftirqd/308:37:293
1218699435,7cyclictest41-21ksoftirqd/309:12:453
1218699434,7cyclictest41-21ksoftirqd/310:08:013
1218699433,7cyclictest41-21ksoftirqd/309:57:503
1217699431,26cyclictest2766-21ssh13:48:141
1217699431,19cyclictest0-21swapper/109:12:321
1217699430,23cyclictest5524-21diskmemload12:19:401
1217699430,21cyclictest0-21swapper/109:32:521
1218699426,9cyclictest41-21ksoftirqd/309:27:443
1218699426,7cyclictest41-21ksoftirqd/310:02:483
1217699422,26cyclictest46950irq/101-ens3-Tx12:15:521
1217699421,26cyclictest14635-21sed08:32:301
1217699420,28cyclictest6910-21awk09:22:301
1218299415,30cyclictest0-21swapper/213:32:492
1217699411,24cyclictest16736-21/usr/sbin/munin13:28:041
1217699411,20cyclictest0-21swapper/109:27:591
1217699411,19cyclictest24526-21ssh12:57:171
1217699410,25cyclictest6173-21/usr/sbin/munin12:33:031
1217699410,19cyclictest26543-21ssh10:53:031
1218299403,31cyclictest12824-21ssh13:22:502
1217699405,20cyclictest271022chrt12:58:421
1217699401,24cyclictest7298-21ssh11:10:301
1217699401,20cyclictest1028-21snmpd10:39:231
1217699400,25cyclictest673-21seq10:16:381
1217699400,25cyclictest20370-21seq12:51:591
1217699400,25cyclictest20370-21seq12:51:591
1217699400,25cyclictest20031-21/usr/sbin/munin11:27:531
1217699400,24cyclictest36182sleep111:06:091
1217699400,24cyclictest36182sleep111:06:091
1217699400,24cyclictest27401-21sed10:02:541
1217699400,24cyclictest18582-21/usr/sbin/munin10:43:031
1218299393,5cyclictest0-21swapper/212:57:472
1217699391,32cyclictest0-21swapper/112:37:481
1217699391,23cyclictest30342-21expr09:02:481
1217699391,22cyclictest7188-21bc09:22:421
1217699390,22cyclictest0-21swapper/112:27:381
1217699390,20cyclictest0-21swapper/111:53:461
1218299383,6cyclictest0-21swapper/210:47:442
12182993823,12cyclictest33-21ksoftirqd/211:10:082
12182993812,22cyclictest9317-21idleruntime-cro10:32:322
200142370,4sleep01217099cyclictest12:51:070
200142370,4sleep01217099cyclictest12:51:070
1218299373,5cyclictest0-21swapper/210:17:452
1218299373,28cyclictest0-21swapper/213:07:502
1218299372,6cyclictest0-21swapper/212:22:462
12182993711,23cyclictest30828-21munin-run10:12:322
1217699371,29cyclictest12820-21apt-get12:42:481
1217699371,20cyclictest0-21swapper/109:44:261
1217699370,21cyclictest0-21swapper/110:23:011
1218299363,7cyclictest0-21swapper/212:47:472
1218299363,7cyclictest0-21swapper/212:47:472
1218299363,26cyclictest0-21swapper/213:37:482
1218299363,10cyclictest22591-21apt-get08:47:462
12182993612,21cyclictest21561-21snmp_o5powerctl08:42:562
12182993611,22cyclictest20589-21sed11:27:512
12182993610,22cyclictest14435-21needreboot10:37:522
1217699360,23cyclictest14661-21munin-node08:32:311
1217699360,23cyclictest0-21swapper/111:42:241
1217699360,21cyclictest0-21swapper/110:57:521
1217699360,21cyclictest0-21swapper/110:57:521
1218299359,4cyclictest32134-21expr11:42:482
1218299353,26cyclictest0-21swapper/210:52:462
1218299352,9cyclictest571-21apt-get12:27:462
1218299352,6cyclictest912-21apt-get13:47:492
1218299351,5cyclictest6151-21snmp_o5powerctl12:33:012
1217699351,28cyclictest15064-21apt-get12:02:491
1217699351,21cyclictest0-21swapper/109:10:461
1217699351,21cyclictest0-21swapper/109:10:461
1217699350,22cyclictest13398-21ssh11:59:431
12170993513,13cyclictest46850irq/100-ens3-Tx13:27:480
1218299342,6cyclictest8522-21apt-get11:12:472
12182993413,18cyclictest4139-21sh11:07:242
12182993413,18cyclictest4139-21sh11:07:242
12182993413,18cyclictest10119-21sh11:56:122
1217699342,26cyclictest0-21swapper/108:52:431
1218299337,4cyclictest16235-21phc2sys12:02:582
1218299333,7cyclictest12457-21apt-get11:17:452
12182993318,12cyclictest33-21ksoftirqd/209:01:412
12182993315,15cyclictest33-21ksoftirqd/209:11:482
12182993315,15cyclictest33-21ksoftirqd/209:11:482
1218299331,4cyclictest21466-21grep12:52:522
12182993310,4cyclictest31568-21cut10:12:512
12182993310,4cyclictest3137-21acpi11:47:462
1217699331,25cyclictest19273-21apt-get09:47:431
1218299329,4cyclictest31551-21sh13:04:352
1218299328,4cyclictest9409-21if_err_enp1s012:37:542
1218299328,4cyclictest16367-21expr11:22:502
1218299328,3cyclictest0-21swapper/213:52:542
1218299327,4cyclictest3100-21irqrtprio09:12:502
1218299326,22cyclictest0-21swapper/212:42:542
1218299323,6cyclictest4779-21apt-get13:12:502
1218299323,5cyclictest28873-21apt-get10:57:452
1218299323,5cyclictest28873-21apt-get10:57:452
1218299323,4cyclictest0-21swapper/208:27:432
1218299323,24cyclictest0-21swapper/209:37:432
1218299322,6cyclictest0-21swapper/209:17:432
1218299322,4cyclictest0-21swapper/211:32:492
1218299322,10cyclictest3793-21grep10:22:482
1218299321,4cyclictest23439-21snmp_o5powerctl12:13:022
1217699323,22cyclictest27339-21apt-get08:57:441
1217699322,24cyclictest17859-21apt-get08:37:441
1217699320,28cyclictest3350-21cut11:47:481
1218299317,4cyclictest24511-21smartctl09:57:512
1218299317,3cyclictest7638-21grep09:22:472
1218299317,3cyclictest12391-21cat11:58:062
1218299316,4cyclictest21656-21cpu09:52:452
1218299316,4cyclictest20162-21swap12:08:032
1218299312,6cyclictest15470-21apt-get08:32:432
1218299311,5cyclictest10286-21snmp_o5powerctl13:18:022
12182993112,16cyclictest12072-21/usr/sbin/munin09:32:552
12182993111,3cyclictest27665-21mailstats10:02:572
12176993112,16cyclictest29003-21sh10:07:461
1218299304,4cyclictest0-21swapper/209:47:532
1218299301,8cyclictest18320-21gltestperf08:37:482
1218299299,4cyclictest25008-21cpuspeed_turbos08:52:452
1218299296,3cyclictest29173-21sed12:22:352
1218299295,3cyclictest0-21swapper/213:42:522
12182992923,3cyclictest33-21ksoftirqd/210:36:072
12182992922,4cyclictest33-21ksoftirqd/209:44:522
113682296,9sleep20-21swapper/208:22:572
1218299286,3cyclictest31494-21unixbench-2d09:03:042
12170992821,4cyclictest9-21ksoftirqd/010:51:550
1218299278,3cyclictest18689-21sh13:28:182
12170992722,3cyclictest9-21ksoftirqd/009:02:480
12170992722,3cyclictest22528-21ssh13:33:120
12170992721,3cyclictest9-21ksoftirqd/011:43:160
12170992721,3cyclictest9-21ksoftirqd/010:19:150
12170992721,3cyclictest9-21ksoftirqd/010:17:090
12170992721,3cyclictest9-21ksoftirqd/010:11:320
12170992720,4cyclictest9-21ksoftirqd/009:19:210
12170992621,3cyclictest9-21ksoftirqd/008:52:400
12170992620,3cyclictest9-21ksoftirqd/012:35:250
12170992620,3cyclictest9-21ksoftirqd/009:46:190
12170992620,3cyclictest9-21ksoftirqd/009:10:160
12170992620,3cyclictest9-21ksoftirqd/009:10:160
12170992619,4cyclictest9-21ksoftirqd/011:14:030
12170992619,4cyclictest9-21ksoftirqd/010:39:220
12170992619,4cyclictest9-21ksoftirqd/010:04:220
12170992619,4cyclictest9-21ksoftirqd/009:14:430
12170992520,3cyclictest9-21ksoftirqd/013:23:090
12170992520,3cyclictest9-21ksoftirqd/012:42:490
12170992519,3cyclictest9-21ksoftirqd/009:47:410
12170992519,3cyclictest9-21ksoftirqd/009:40:030
12170992519,3cyclictest9-21ksoftirqd/008:38:280
12170992518,4cyclictest9-21ksoftirqd/009:27:310
12170992518,4cyclictest10564-21grep13:18:110
269952240,2sleep00-21swapper/012:58:260
12170992418,3cyclictest9-21ksoftirqd/011:23:230
12170992418,3cyclictest9-21ksoftirqd/010:35:030
12170992418,3cyclictest9-21ksoftirqd/009:31:080
12170992418,3cyclictest9-21ksoftirqd/008:51:490
12170992417,4cyclictest9-21ksoftirqd/012:23:160
12170992417,4cyclictest9-21ksoftirqd/012:02:490
12170992417,4cyclictest25652-21grep09:58:040
12182992317,3cyclictest33-21ksoftirqd/209:28:232
12170992317,4cyclictest9-21ksoftirqd/011:34:060
12170992317,3cyclictest9-21ksoftirqd/013:14:150
12170992317,3cyclictest9-21ksoftirqd/010:29:190
12170992317,3cyclictest9-21ksoftirqd/009:52:330
12170992317,3cyclictest9-21ksoftirqd/008:35:070
12170992216,4cyclictest9-21ksoftirqd/011:04:400
12170992216,4cyclictest9-21ksoftirqd/011:04:400
12170992216,4cyclictest9-21ksoftirqd/009:36:560
12170992215,4cyclictest9-21ksoftirqd/011:58:390
12170992215,4cyclictest4920-21sed11:48:050
12170992215,4cyclictest21729-21sh12:12:350
195462210,17sleep00-21swapper/010:44:450
12170992115,4cyclictest9-21ksoftirqd/012:32:280
12170992114,4cyclictest9-21ksoftirqd/008:45:050
12170992114,4cyclictest31140-21sh10:59:080
12170992114,4cyclictest31140-21sh10:59:080
12170992114,4cyclictest27753-21grep08:57:470
1217099211,2cyclictest121rcu_preempt11:31:300
12170992015,3cyclictest9-21ksoftirqd/012:37:480
12170992015,3cyclictest9-21ksoftirqd/011:19:090
12170992014,4cyclictest9-21ksoftirqd/010:24:170
12170992014,4cyclictest9-21ksoftirqd/008:32:240
12170992014,3cyclictest9-21ksoftirqd/013:02:500
12170992014,3cyclictest5924-21sendmail_mailtr11:07:570
12170992013,4cyclictest28271-21sh11:37:480
12170992013,4cyclictest23749-21tail12:13:090
12170992012,4cyclictest1760-21runrttasks11:56:500
12170991913,3cyclictest5524-21diskmemload12:56:430
12170991813,3cyclictest9-21ksoftirqd/013:37:410
12170991711,3cyclictest1760-21runrttasks13:07:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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