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2026-03-11 - 12:50
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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 Wed Mar 11, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4383997546,24cyclictest29-21ksoftirqd/222:52:302
4383997546,24cyclictest29-21ksoftirqd/222:52:302
437699704,60cyclictest0-21swapper/120:33:581
437699685,56cyclictest0-21swapper/121:30:411
437699684,57cyclictest0-21swapper/122:06:311
437699684,57cyclictest0-21swapper/122:06:311
437699673,58cyclictest23159-21crond23:22:291
437699664,55cyclictest0-21swapper/123:51:051
437699662,57cyclictest18063-21/usr/sbin/munin18:58:041
437699654,55cyclictest0-21swapper/122:41:291
437699643,7cyclictest16825-21cut21:47:491
437699642,56cyclictest23141-21ssh21:56:431
4372996413,45cyclictest6848-21/usr/sbin/munin18:27:510
4372996413,45cyclictest6848-21/usr/sbin/munin18:27:510
437699633,53cyclictest454-21hwlatdetect20:42:481
4372996319,12cyclictest638-21runrttasks21:17:470
437699624,52cyclictest0-21swapper/122:45:091
437699623,53cyclictest31551-21ssh20:41:091
437699623,53cyclictest29428-21ssh23:29:401
437699623,53cyclictest26325-21sh19:17:591
437699622,54cyclictest2625-21diskstats23:37:421
437699614,9cyclictest0-21swapper/120:48:041
437699614,51cyclictest0-21swapper/122:54:301
437699612,53cyclictest23407-21ssh23:22:331
4372996113,42cyclictest2523-21/usr/sbin/munin19:42:500
4372996111,44cyclictest8722-21/usr/sbin/munin18:33:000
4372996110,45cyclictest6800-21ssh21:34:010
437699604,8cyclictest0-21swapper/121:07:341
437699604,8cyclictest0-21swapper/121:07:341
437699604,50cyclictest0-21swapper/121:05:541
437699603,51cyclictest26981-21ssh21:17:561
437699602,6cyclictest3649-21ls19:43:041
4376996011,44cyclictest8709-21kworker/1:021:17:231
438399596,47cyclictest0-21swapper/221:27:212
4376995922,31cyclictest8809-21grep20:53:031
4372995914,39cyclictest25466-21ssh22:42:360
4372995914,39cyclictest17577-21/usr/sbin/munin20:22:530
438399586,45cyclictest29178-21latency_hist22:47:312
4376995825,28cyclictest9958-21sed18:33:061
437299589,43cyclictest1666-21if_err_eth221:27:490
437299587,45cyclictest0-21swapper/022:22:000
437299584,48cyclictest0-21swapper/023:13:190
437299584,48cyclictest0-21swapper/023:13:190
437299583,49cyclictest20018-21/usr/sbin/munin21:52:510
4372995813,39cyclictest32363-21unixbench_multi23:33:000
438399574,46cyclictest0-21swapper/221:19:412
438399573,49cyclictest0-21swapper/222:39:302
437299579,42cyclictest21986-21ssh23:19:580
437299578,43cyclictest14490-21ssh21:44:210
4372995712,40cyclictest31563-21ssh21:23:490
4372995712,39cyclictest16196-21/usr/sbin/munin18:53:010
4372995712,10cyclictest19936-21/usr/sbin/munin19:03:020
4372995711,40cyclictest11874-21/usr/sbin/munin20:07:470
4372995711,40cyclictest11874-21/usr/sbin/munin20:07:470
4383995647,5cyclictest29-21ksoftirqd/222:12:302
438399564,7cyclictest0-21swapper/223:15:092
438399564,7cyclictest0-21swapper/223:15:092
437299569,40cyclictest0-21swapper/021:42:160
437299565,13cyclictest638-21runrttasks20:37:570
4372995614,37cyclictest0-21swapper/021:13:310
4372995613,38cyclictest0-21swapper/023:23:490
4372995612,38cyclictest4981-21/usr/sbin/munin18:23:030
4372995612,38cyclictest4981-21/usr/sbin/munin18:23:030
4372995611,38cyclictest28125-21ssh22:02:500
4372995611,38cyclictest28125-21ssh22:02:500
4372995610,40cyclictest17245-21ssh21:05:040
393725611,16sleep30-21swapper/318:20:153
438399555,6cyclictest0-21swapper/221:03:422
438399554,45cyclictest0-21swapper/220:39:122
438399553,46cyclictest9479-21ntp_states18:32:592
437299559,41cyclictest9825-21sh23:47:290
437299558,41cyclictest13712-21ksmtuned23:08:310
437299555,44cyclictest0-21swapper/022:17:000
437299554,45cyclictest0-21swapper/023:38:380
4372995515,34cyclictest8089-21/usr/sbin/munin20:52:510
4372995514,35cyclictest5163-21/usr/sbin/munin22:57:490
4372995513,36cyclictest22153-21ntp_states20:27:580
4372995512,38cyclictest27910-21ssh20:36:220
4372995512,37cyclictest13719-21ssh21:00:280
4372995512,37cyclictest12457-21/usr/sbin/munin18:42:590
4372995511,9cyclictest23674-21/usr/sbin/munin19:12:490
4372995511,38cyclictest29874-21kernelversion22:47:490
4372995511,38cyclictest29874-21kernelversion22:47:490
4372995511,38cyclictest29301-21/usr/sbin/munin19:27:470
4372995510,39cyclictest27434-21/usr/sbin/munin19:22:590
312002550,4chrt31202-21latency_hist22:07:313
312002550,4chrt31202-21latency_hist22:07:313
438399544,44cyclictest0-21swapper/220:52:022
438399544,25cyclictest0-21swapper/221:08:312
438399544,25cyclictest0-21swapper/221:08:312
438399543,46cyclictest0-21swapper/221:48:302
438399543,46cyclictest0-21swapper/221:37:252
438399543,46cyclictest0-21swapper/220:32:122
437699544,23cyclictest0-21swapper/122:15:071
437699543,5cyclictest0-21swapper/118:27:371
437699543,5cyclictest0-21swapper/118:27:371
437699543,23cyclictest0-21swapper/121:22:521
437299548,40cyclictest4473-21memory20:47:530
437299542,45cyclictest17458-21ssh21:48:000
4372995416,32cyclictest28017-21netstat23:27:510
4372995415,10cyclictest0-21swapper/022:32:110
4372995412,36cyclictest14327-21/usr/sbin/munin18:47:540
4372995411,37cyclictest23202-21ssh22:38:150
4372995410,39cyclictest10577-21ssh23:04:540
4372995410,38cyclictest875-21ssh20:42:540
4372995410,38cyclictest10008-21/usr/sbin/munin20:03:010
38842549,15sleep20-21swapper/218:19:342
438399534,44cyclictest0-21swapper/223:35:282
438399534,42cyclictest0-21swapper/220:24:132
437699535,19cyclictest0-21swapper/119:32:451
437699535,17cyclictest0-21swapper/121:32:571
437699533,23cyclictest0-21swapper/120:32:141
437299536,41cyclictest0-21swapper/022:56:120
4372995313,34cyclictest1005-21perl19:37:470
4372995311,36cyclictest2450-21pluginstate22:12:300
4372995311,36cyclictest21827-21ssh21:11:580
4372995311,36cyclictest21827-21ssh21:11:580
4372995311,16cyclictest10588-21/usr/sbin/munin18:37:540
438399524,9cyclictest0-21swapper/220:56:222
438399523,44cyclictest0-21swapper/222:22:462
438399523,27cyclictest0-21swapper/223:05:232
437699524,23cyclictest0-21swapper/120:58:531
437699524,22cyclictest0-21swapper/121:45:391
437699524,20cyclictest0-21swapper/121:37:451
437699524,18cyclictest0-21swapper/122:37:021
437699524,16cyclictest0-21swapper/123:09:071
437699523,22cyclictest0-21swapper/123:04:361
437699523,18cyclictest0-21swapper/123:33:281
4376995218,6cyclictest6678-21idleruntime23:42:441
437299527,39cyclictest0-21swapper/022:23:120
4372995214,32cyclictest31278-21wget19:32:460
4372995211,9cyclictest19691-21ssh22:33:510
4372995211,35cyclictest8135-21/usr/sbin/munin19:57:510
4372995210,36cyclictest11619-21ssh23:48:290
4383995142,5cyclictest29-21ksoftirqd/223:02:292
438399514,41cyclictest0-21swapper/221:57:002
438399513,42cyclictest0-21swapper/221:27:582
437699515,7cyclictest0-21swapper/119:17:351
437699514,22cyclictest0-21swapper/122:19:371
437699514,18cyclictest0-21swapper/118:41:551
437699514,16cyclictest0-21swapper/122:48:521
437699514,16cyclictest0-21swapper/122:48:521
437699513,22cyclictest0-21swapper/120:25:251
437699513,18cyclictest0-21swapper/122:08:031
437699512,24cyclictest0-21swapper/122:24:181
4376995116,7cyclictest13794-21aten_rbpower_en20:12:431
437299519,36cyclictest23795-21/usr/sbin/munin21:57:430
437299519,36cyclictest23795-21/usr/sbin/munin21:57:430
4372995114,32cyclictest17283-21latency_hist20:22:330
439099504,41cyclictest0-21swapper/323:21:193
438399509,35cyclictest0-21swapper/221:42:442
438399504,41cyclictest0-21swapper/222:32:102
438399504,40cyclictest0-21swapper/222:15:102
438399504,39cyclictest0-21swapper/221:58:342
438399504,39cyclictest0-21swapper/221:58:342
438399503,41cyclictest0-21swapper/220:13:002
437699504,21cyclictest0-21swapper/119:03:131
437699503,40cyclictest0-21swapper/118:27:371
437699503,40cyclictest0-21swapper/118:27:371
437699502,18cyclictest10181-21diskstats20:02:481
4376995019,6cyclictest23855-21aten_rbpower_po21:57:401
4376995019,6cyclictest23855-21aten_rbpower_po21:57:401
4376995015,7cyclictest5584-21sed22:57:571
4372995012,33cyclictest26098-21latency19:17:540
4372995011,33cyclictest6266-21/usr/sbin/munin19:53:070
4372995011,33cyclictest21803-21/usr/sbin/munin19:07:500
438399494,38cyclictest0-21swapper/223:21:492
438399493,41cyclictest0-21swapper/223:49:082
438399493,41cyclictest0-21swapper/223:11:292
438399493,41cyclictest0-21swapper/222:53:192
438399493,40cyclictest0-21swapper/219:11:542
437699493,21cyclictest0-21swapper/120:19:351
4376994920,6cyclictest16338-21idleruntime23:12:461
4376994920,6cyclictest16338-21idleruntime23:12:461
437699492,22cyclictest12624-21taskset18:42:471
4376994913,7cyclictest554-21dbus-daemon22:32:301
438399484,38cyclictest0-21swapper/222:18:272
438399484,38cyclictest0-21swapper/221:38:012
438399484,38cyclictest0-21swapper/220:43:242
4383994833,10cyclictest0-21swapper/221:13:212
438399483,39cyclictest0-21swapper/223:22:392
438399483,39cyclictest0-21swapper/219:22:482
4383994811,31cyclictest0-21swapper/220:59:332
4383994810,7cyclictest28501-21unixbench-2d23:28:002
437699483,20cyclictest0-21swapper/120:10:451
437699483,20cyclictest0-21swapper/120:10:451
437699483,16cyclictest16992-21/usr/sbin/munin18:52:591
4376994816,8cyclictest15977-21crond18:52:351
4376994813,8cyclictest30456-21unixbench_multi19:28:051
437299486,37cyclictest19914-21latency_hist19:02:360
438399477,34cyclictest0-21swapper/222:36:092
438399474,38cyclictest0-21swapper/219:28:392
438399474,37cyclictest0-21swapper/223:43:072
438399474,37cyclictest0-21swapper/223:38:002
438399474,37cyclictest0-21swapper/220:33:492
4383994733,9cyclictest0-21swapper/222:02:502
4383994733,9cyclictest0-21swapper/222:02:502
437699474,19cyclictest0-21swapper/119:59:041
438399465,6cyclictest0-21swapper/219:52:342
438399464,37cyclictest0-21swapper/219:43:032
438399464,36cyclictest0-21swapper/219:36:222
438399464,36cyclictest0-21swapper/218:57:502
438399464,36cyclictest0-21swapper/218:48:402
438399463,38cyclictest0-21swapper/219:53:002
438399463,36cyclictest0-21swapper/220:17:552
438399462,37cyclictest8502-21munin-run18:32:352
438399462,37cyclictest8502-21munin-run18:32:352
437699464,19cyclictest0-21swapper/119:08:011
4376994614,7cyclictest27669-21cut19:22:491
31012463,8sleep30-21swapper/322:55:103
439099454,36cyclictest0-21swapper/320:28:063
438399454,7cyclictest0-21swapper/219:17:352
438399454,36cyclictest0-21swapper/220:03:012
438399454,36cyclictest0-21swapper/219:59:042
437699453,22cyclictest0-21swapper/119:53:021
437699453,19cyclictest0-21swapper/119:47:431
438399445,7cyclictest0-21swapper/218:55:532
438399444,34cyclictest0-21swapper/219:42:352
3722443,7sleep30-21swapper/322:08:123
258552440,9sleep3439099cyclictest21:59:263
258552440,9sleep3439099cyclictest21:59:263
77052433,7sleep30-21swapper/320:52:463
439099435,7cyclictest0-21swapper/322:20:003
439099434,34cyclictest0-21swapper/318:48:033
439099433,35cyclictest0-21swapper/323:33:483
438399434,8cyclictest0-21swapper/218:22:472
438399434,8cyclictest0-21swapper/218:22:472
438399434,33cyclictest0-21swapper/219:22:352
438399433,35cyclictest0-21swapper/220:08:042
438399433,35cyclictest0-21swapper/220:08:042
219082433,7sleep30-21swapper/321:12:103
219082433,7sleep30-21swapper/321:12:103
209262434,8sleep30-21swapper/319:03:043
202632433,7sleep20-21swapper/219:02:512
64782424,8sleep30-21swapper/318:25:503
64782424,8sleep30-21swapper/318:25:503
439099424,33cyclictest0-21swapper/321:15:463
438399424,6cyclictest0-21swapper/218:42:352
438399423,34cyclictest0-21swapper/218:43:562
31962424,8sleep30-21swapper/321:29:253
78472413,8sleep30-21swapper/321:36:173
439099414,32cyclictest0-21swapper/322:23:043
280502413,7sleep30-21swapper/320:36:403
51722403,7sleep30-21swapper/322:15:133
439099403,33cyclictest0-21swapper/320:03:073
4390994028,7cyclictest18866-21tail20:23:043
4372994019,16cyclictest4557-21df19:47:470
87142393,8sleep30-21swapper/318:32:423
300352393,31sleep30-21swapper/323:31:003
439099384,29cyclictest0-21swapper/319:33:153
264102383,8sleep30-21swapper/323:26:213
177552383,7sleep30-21swapper/318:56:323
154072383,7sleep30-21swapper/320:17:323
4390993726,7cyclictest26184-21wget21:17:433
280522373,7sleep30-21swapper/319:22:563
60102363,8sleep30-21swapper/319:52:133
439099364,27cyclictest0-21swapper/323:42:223
217402363,28sleep30-21swapper/321:53:443
92692353,6sleep30-21swapper/321:37:503
439099353,28cyclictest0-21swapper/323:42:363
4390993523,7cyclictest11129-21wc18:37:543
306902353,7sleep30-21swapper/319:29:283
182262353,6sleep30-21swapper/323:15:023
182262353,6sleep30-21swapper/323:15:023
169362353,7sleep30-21swapper/320:18:293
439099344,25cyclictest0-21swapper/323:51:453
4390993423,7cyclictest11226-21/usr/sbin/munin20:58:023
4390993422,7cyclictest5259-21cut22:57:513
4372993414,14cyclictest14421-21/usr/sbin/munin20:12:530
381423411,17sleep00-21swapper/018:18:430
79122333,7sleep30-21swapper/319:57:333
4390993323,6cyclictest3800-21/usr/sbin/munin20:47:493
439099325,22cyclictest0-21swapper/323:06:033
439099324,23cyclictest0-21swapper/320:43:453
4390993222,6cyclictest28943-21fschecks_count20:37:463
4390993221,7cyclictest3545-21timerandwakeup19:43:043
4390993220,7cyclictest22164-21ls22:37:463
24792329,16sleep10-21swapper/118:17:401
166062323,8sleep30-21swapper/322:30:223
439099314,22cyclictest0-21swapper/321:24:483
439099313,24cyclictest0-21swapper/321:47:333
4390993120,7cyclictest30673-21sed22:48:013
4390993120,7cyclictest30673-21sed22:48:013
4390993120,7cyclictest15763-21tr21:02:553
22042313,7sleep30-21swapper/319:41:273
142412313,7sleep30-21swapper/321:43:493
439099304,21cyclictest0-21swapper/319:57:573
4390993020,6cyclictest17907-21/usr/sbin/munin22:32:423
439099294,20cyclictest0-21swapper/323:07:433
439099294,19cyclictest0-21swapper/318:27:493
439099294,19cyclictest0-21swapper/318:27:493
4390992917,7cyclictest26829-21vmstat19:18:073
4390992917,7cyclictest18793-21ntp_kernel_pll_18:57:563
4390992916,8cyclictest13028-21sort18:42:533
4376992918,6cyclictest1164-21tr19:37:511
439099284,18cyclictest0-21swapper/319:12:373
4390992816,8cyclictest12624-21grep20:07:563
4390992816,8cyclictest12624-21grep20:07:563
4390992716,7cyclictest638-21runrttasks19:07:393
4390992716,7cyclictest26717-21cat22:42:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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