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2026-03-30 - 12:16
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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 792 highest latencies:
System rackbslot4.osadl.org (updated Mon Mar 30, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58672790,5sleep30-21swapper/320:17:553
1997499619,46cyclictest29939-21head21:32:522
1996199594,49cyclictest0-21swapper/023:27:290
19981995818,34cyclictest638-21runrttasks18:57:243
1997499587,45cyclictest27321-21ssh22:55:282
1997499587,45cyclictest27321-21ssh22:55:282
1997499583,49cyclictest17044-21ssh23:23:582
19981995722,28cyclictest9105-21tune2fs19:07:383
1997499575,46cyclictest23115-21ssh21:24:202
19974995710,41cyclictest1684-21/usr/sbin/munin20:12:482
19981995621,29cyclictest6518-21cat21:02:403
1997499568,41cyclictest12617-21/usr/sbin/munin21:52:472
1997499566,13cyclictest16945-21ps21:58:312
1997499564,14cyclictest0-21swapper/222:04:492
19974995617,33cyclictest27156-21if_eth222:12:352
19974995615,36cyclictest26572-21ssh21:28:372
19974995615,35cyclictest31767-21ssh23:01:502
19981995523,27cyclictest13166-21crond21:12:213
1997499556,43cyclictest0-21swapper/220:47:532
1997499556,42cyclictest5921-21ssh23:09:332
19974995541,9cyclictest0-21swapper/221:51:202
1997499554,45cyclictest0-21swapper/222:47:582
1997499554,45cyclictest0-21swapper/221:15:002
1997499554,45cyclictest0-21swapper/220:29:112
1996599554,44cyclictest0-21swapper/120:58:311
1996599554,14cyclictest0-21swapper/122:51:381
1996599553,46cyclictest26757-21ssh20:47:231
1996599553,46cyclictest26757-21ssh20:47:231
195222556,15sleep20-21swapper/218:10:032
19981995416,33cyclictest8884-21unixbench_singl23:12:503
1997499549,40cyclictest0-21swapper/222:19:322
1997499545,42cyclictest0-21swapper/221:09:012
1996599544,44cyclictest0-21swapper/122:07:371
1996599544,43cyclictest0-21swapper/120:13:321
1998199533,44cyclictest21138-21wc18:12:443
19981995317,30cyclictest14986-21ls19:22:443
19981995316,31cyclictest14208-21uname21:12:433
1997499538,39cyclictest17227-21cpu22:42:312
1997499533,43cyclictest0-21swapper/223:42:072
1997499533,43cyclictest0-21swapper/223:42:072
19974995315,33cyclictest11529-21ssh22:34:142
19974995311,36cyclictest0-21swapper/222:12:152
1996199534,43cyclictest0-21swapper/023:23:280
19981995222,25cyclictest24364-21ls20:42:513
19981995222,25cyclictest24364-21ls20:42:513
19981995217,29cyclictest4834-21ls23:07:483
19981995216,31cyclictest2183-21cut20:57:333
1997499528,37cyclictest31606-21/usr/sbin/munin20:52:462
1997499524,12cyclictest0-21swapper/221:19:402
1997499523,7cyclictest26659-21ssh20:47:212
1997499523,7cyclictest26659-21ssh20:47:212
19974995212,34cyclictest0-21swapper/222:26:382
19974995212,34cyclictest0-21swapper/222:26:382
19974995211,35cyclictest6860-21kworker/2:221:07:102
19974995211,35cyclictest5037-21timerwakeupswit21:42:502
1996599527,39cyclictest0-21swapper/120:49:511
1996599524,42cyclictest0-21swapper/123:37:161
1996599524,42cyclictest0-21swapper/120:24:521
1996599524,41cyclictest0-21swapper/123:29:371
1996599524,41cyclictest0-21swapper/121:40:301
1996599524,41cyclictest0-21swapper/121:40:301
1996599524,41cyclictest0-21swapper/121:09:311
19965995214,33cyclictest14832-21sh22:38:111
1996199524,42cyclictest0-21swapper/018:43:160
1996199524,41cyclictest0-21swapper/023:41:570
1996199524,41cyclictest0-21swapper/023:41:570
19981995120,26cyclictest31000-21cut20:52:363
1998199512,18cyclictest382-21systemd-journal22:42:193
19981995118,28cyclictest31373-21sh20:07:353
19981995117,29cyclictest21831-21cut19:42:243
19981995117,28cyclictest19249-21unixbench-2d19:32:543
19981995113,8cyclictest540-21ntpd23:37:413
19981995113,8cyclictest540-21ntpd23:37:413
19981995111,7cyclictest27912-21seq21:31:303
1997499519,5cyclictest0-21swapper/222:40:282
1997499517,10cyclictest7736-21ssh22:29:162
1997499517,10cyclictest7736-21ssh22:29:162
1997499516,39cyclictest32405-21/usr/sbin/munin21:37:322
1997499516,39cyclictest32405-21/usr/sbin/munin21:37:322
1997499514,41cyclictest0-21swapper/223:18:282
1997499514,41cyclictest0-21swapper/223:15:182
1997499514,40cyclictest0-21swapper/223:30:472
1997499514,11cyclictest0-21swapper/220:58:212
19974995114,31cyclictest9404-21ls20:22:502
19974995113,33cyclictest7953-21crond20:22:222
1996599514,6cyclictest0-21swapper/122:43:481
1996599514,41cyclictest0-21swapper/123:07:281
1996599514,41cyclictest0-21swapper/122:25:191
1996599514,41cyclictest0-21swapper/122:25:191
1996599514,41cyclictest0-21swapper/122:00:291
1996599514,41cyclictest0-21swapper/121:48:101
1996599514,41cyclictest0-21swapper/120:29:011
1996599514,40cyclictest0-21swapper/121:43:101
19965995134,11cyclictest0-21swapper/122:21:291
1996599513,42cyclictest0-21swapper/123:21:391
19965995114,31cyclictest18069-21sshd23:26:081
19965995111,33cyclictest0-21swapper/121:27:211
1996199519,37cyclictest0-21swapper/020:38:150
1996199518,36cyclictest0-21swapper/020:22:540
195062518,37sleep10-21swapper/118:09:501
1998199504,15cyclictest0-21swapper/322:52:443
1998199504,15cyclictest0-21swapper/322:52:443
19981995018,27cyclictest29331-21ntp_states22:57:433
19981995016,7cyclictest638-21runrttasks18:59:173
19981995016,7cyclictest27621-21load20:47:423
19981995016,28cyclictest6984-21grep22:27:503
19981995016,28cyclictest6984-21grep22:27:503
19981995016,28cyclictest5552-21seq21:43:333
19981995015,6cyclictest19056-21sh23:27:303
1997499504,40cyclictest0-21swapper/223:02:582
19974995012,32cyclictest0-21swapper/223:32:492
1996599504,9cyclictest0-21swapper/121:54:401
1996599504,40cyclictest0-21swapper/122:58:481
1996599504,40cyclictest0-21swapper/118:57:241
1996599504,10cyclictest0-21swapper/122:15:391
1996199504,6cyclictest0-21swapper/021:30:200
1996199504,39cyclictest0-21swapper/019:17:460
320872494,10sleep00-21swapper/021:37:190
1998199495,15cyclictest0-21swapper/321:22:513
1998199494,39cyclictest0-21swapper/322:02:513
1998199494,17cyclictest0-21swapper/322:16:453
1998199494,13cyclictest0-21swapper/322:34:453
1998199493,39cyclictest0-21swapper/320:05:363
19981994919,24cyclictest28401-21fschecks_time18:32:383
19981994916,28cyclictest26733-21sed19:52:533
19981994915,7cyclictest29507-21proc_pri21:32:463
19981994915,7cyclictest23131-21sshd19:43:003
19981994915,7cyclictest23131-21sshd19:43:003
19981994915,7cyclictest13101-21timerandwakeup20:27:543
19981994915,6cyclictest638-21runrttasks18:19:123
19981994911,7cyclictest15871-21netstat23:22:393
19981994910,7cyclictest12144-21ntpq23:17:423
1998199491,24cyclictest2886-21awk20:14:263
1997499494,39cyclictest0-21swapper/220:37:252
1997499494,39cyclictest0-21swapper/220:34:282
1996599494,9cyclictest0-21swapper/121:22:101
1996599494,8cyclictest0-21swapper/122:36:391
1996599494,22cyclictest0-21swapper/120:53:361
19965994911,6cyclictest638-21runrttasks21:27:411
1996199496,6cyclictest0-21swapper/018:32:480
1996199495,39cyclictest0-21swapper/019:52:480
1996199495,37cyclictest0-21swapper/019:42:370
1996199495,37cyclictest0-21swapper/019:42:370
1996199494,39cyclictest0-21swapper/023:02:480
1996199494,39cyclictest0-21swapper/019:32:240
1996199494,38cyclictest0-21swapper/023:01:470
1996199494,31cyclictest0-21swapper/019:23:420
1996199493,40cyclictest0-21swapper/019:07:010
28982484,10sleep00-21swapper/021:41:010
28982484,10sleep00-21swapper/021:41:010
1998199484,37cyclictest0-21swapper/322:45:133
1998199484,37cyclictest0-21swapper/321:17:313
1998199484,18cyclictest0-21swapper/320:37:183
1998199484,17cyclictest0-21swapper/323:04:213
1998199484,16cyclictest0-21swapper/322:08:263
1998199484,16cyclictest0-21swapper/321:57:433
1998199484,13cyclictest0-21swapper/322:48:053
1998199483,18cyclictest0-21swapper/321:40:393
1998199483,18cyclictest0-21swapper/321:40:393
1998199482,39cyclictest12856-21fschecks_time19:17:393
19981994816,6cyclictest12305-21proc_pri21:52:433
19981994816,27cyclictest9029-21ntp_kernel_err20:22:433
19981994816,27cyclictest24044-21head23:32:503
19981994815,6cyclictest638-21runrttasks19:03:173
19981994815,28cyclictest24124-21cut19:47:383
19981994815,28cyclictest24124-21cut19:47:383
19981994814,8cyclictest8383-21netstat21:47:433
19981994813,8cyclictest28487-21sort19:57:513
19981994812,7cyclictest20141-21missed_timers20:37:413
19981994811,7cyclictest30582-21wc22:17:313
1996599485,37cyclictest0-21swapper/123:37:501
1996599485,37cyclictest0-21swapper/123:37:501
1996599485,36cyclictest0-21swapper/122:27:291
1996599485,36cyclictest0-21swapper/122:27:291
1996599484,38cyclictest0-21swapper/121:12:401
1996599484,37cyclictest0-21swapper/120:19:041
1996599484,11cyclictest0-21swapper/119:37:371
1996599483,40cyclictest0-21swapper/119:02:241
1996199485,38cyclictest0-21swapper/019:11:110
1996199484,38cyclictest0-21swapper/021:18:100
1996199484,38cyclictest0-21swapper/020:27:510
1996199484,38cyclictest0-21swapper/019:15:310
1996199483,38cyclictest0-21swapper/021:46:400
1996199482,15cyclictest220072sleep018:14:550
19961994812,31cyclictest0-21swapper/018:57:430
1998199475,10cyclictest0-21swapper/318:42:393
1998199472,40cyclictest11827-21sed19:12:553
19981994716,6cyclictest577-21ksmtuned18:25:213
19981994716,6cyclictest577-21ksmtuned18:25:213
19981994710,5cyclictest0-21swapper/322:24:573
19981994710,5cyclictest0-21swapper/322:24:573
1996599478,33cyclictest0-21swapper/123:02:241
1996599477,35cyclictest0-21swapper/122:05:551
1996599474,37cyclictest0-21swapper/120:41:301
1996599474,36cyclictest0-21swapper/119:52:231
1996599474,36cyclictest0-21swapper/119:52:231
1996599474,36cyclictest0-21swapper/118:32:251
1996599473,38cyclictest17876-21crond19:32:241
1996199475,9cyclictest0-21swapper/022:32:330
1996199475,36cyclictest0-21swapper/022:40:550
1996199475,10cyclictest0-21swapper/018:37:530
1996199474,37cyclictest0-21swapper/022:08:580
1996199474,37cyclictest0-21swapper/020:01:530
1996199474,19cyclictest0-21swapper/019:41:470
1996199473,38cyclictest0-21swapper/022:22:530
1996199473,38cyclictest0-21swapper/022:22:530
1996199473,37cyclictest0-21swapper/019:32:460
19961994710,31cyclictest0-21swapper/018:52:500
1998199466,9cyclictest0-21swapper/318:37:383
1998199464,36cyclictest0-21swapper/318:47:373
19981994615,5cyclictest638-21runrttasks19:27:313
1996599465,12cyclictest0-21swapper/123:13:371
1996599464,36cyclictest0-21swapper/121:33:021
1996599464,36cyclictest0-21swapper/120:33:121
19965994611,30cyclictest0-21swapper/122:52:551
19965994611,30cyclictest0-21swapper/122:52:551
1996199467,34cyclictest0-21swapper/022:47:400
1996199467,33cyclictest0-21swapper/021:04:210
1996199464,36cyclictest0-21swapper/023:16:570
1996199464,36cyclictest0-21swapper/022:13:160
1996199464,36cyclictest0-21swapper/021:53:590
1996199464,36cyclictest0-21swapper/021:01:300
1996199464,36cyclictest0-21swapper/020:32:340
1996199464,36cyclictest0-21swapper/020:16:430
1996199464,36cyclictest0-21swapper/020:10:030
1996199464,36cyclictest0-21swapper/018:17:400
1996199464,12cyclictest0-21swapper/018:24:160
1996199464,12cyclictest0-21swapper/018:24:160
1996199463,36cyclictest0-21swapper/020:02:550
1996199462,38cyclictest565-21irqbalance21:22:500
1996199462,14cyclictest2614-21chrt18:48:510
19961994610,30cyclictest0-21swapper/020:18:180
19981994515,6cyclictest26196-21aten_rbpower_cu18:27:373
1996599454,36cyclictest0-21swapper/121:06:571
1996599454,36cyclictest0-21swapper/119:52:331
1996599454,36cyclictest0-21swapper/118:37:511
1996599454,35cyclictest0-21swapper/119:23:481
1996599454,35cyclictest0-21swapper/118:14:341
1996199458,14cyclictest0-21swapper/021:12:550
1996199454,36cyclictest0-21swapper/023:18:430
1996199454,35cyclictest0-21swapper/020:49:090
1996199454,34cyclictest0-21swapper/020:42:420
1996199454,34cyclictest0-21swapper/020:42:420
1996199454,16cyclictest0-21swapper/022:27:400
1996199454,16cyclictest0-21swapper/022:27:400
1996199453,37cyclictest0-21swapper/019:47:330
1996199453,37cyclictest0-21swapper/019:47:330
19961994514,26cyclictest407-21diskmemload22:46:430
1996599444,35cyclictest0-21swapper/119:57:501
1996599444,35cyclictest0-21swapper/119:07:541
1996599444,35cyclictest0-21swapper/118:44:111
1996599444,34cyclictest0-21swapper/118:20:311
1996599443,36cyclictest0-21swapper/120:04:201
1996599443,35cyclictest0-21swapper/119:42:361
1996599443,35cyclictest0-21swapper/119:42:361
1996599443,35cyclictest0-21swapper/119:03:441
1996599442,6cyclictest406-21munin-run20:12:221
1996199448,31cyclictest0-21swapper/022:54:110
1996199448,31cyclictest0-21swapper/022:54:110
1996199445,33cyclictest0-21swapper/021:08:360
1996199444,35cyclictest0-21swapper/023:32:450
1996199444,35cyclictest0-21swapper/023:10:060
1996199444,34cyclictest0-21swapper/018:27:400
1996199443,34cyclictest30913-21df_inode20:52:340
1996599434,8cyclictest0-21swapper/119:17:421
1996599433,35cyclictest0-21swapper/118:27:251
1996599433,35cyclictest0-21swapper/118:27:251
1996599433,34cyclictest0-21swapper/119:32:551
1996199433,34cyclictest0-21swapper/021:50:470
194932438,29sleep30-21swapper/318:09:403
1996599424,7cyclictest0-21swapper/118:32:411
1996599422,6cyclictest2914-21latency_hist18:52:251
19974994117,19cyclictest638-21runrttasks18:16:252
1996599403,5cyclictest0-21swapper/119:17:241
1997499399,25cyclictest26403-21wc19:52:472
1996199394,30cyclictest0-21swapper/022:17:530
1996199374,28cyclictest0-21swapper/021:59:120
1996199365,26cyclictest0-21swapper/022:03:520
19974993517,13cyclictest22871-21timerandwakeup19:42:512
19974993517,13cyclictest22871-21timerandwakeup19:42:512
1935023511,18sleep00-21swapper/018:08:000
19974993423,7cyclictest32162-21switchtime20:07:512
19974993421,8cyclictest573-21grep18:42:562
19974993420,9cyclictest24698-21fschecks_time18:22:402
19974993420,9cyclictest24698-21fschecks_time18:22:402
19974993418,11cyclictest0-21swapper/218:17:522
19974993417,12cyclictest17133-21/usr/sbin/munin19:27:482
1997499335,22cyclictest0-21swapper/218:32:342
1997499334,23cyclictest0-21swapper/218:27:472
19974993319,9cyclictest19993-21aten_rbpower_cu19:37:342
19974993319,9cyclictest11788-21unixbench_multi19:12:552
19974993317,11cyclictest13029-21latency19:17:432
19974993315,13cyclictest7379-21/usr/sbin/munin19:02:442
19974993314,13cyclictest2663-21taskset18:49:242
19974993313,14cyclictest30788-21taskset20:04:572
19974993221,7cyclictest24669-21switchtime19:47:502
19974993221,7cyclictest24669-21switchtime19:47:502
19974993221,6cyclictest31152-21grep18:37:552
19974993219,8cyclictest18640-21latency19:32:432
19974993218,9cyclictest543-21systemd-logind18:52:252
19974993218,9cyclictest5067-21aten_rbpower_po18:57:332
19974993215,11cyclictest0-21swapper/219:25:002
19974993112,14cyclictest10311-21runrttasks19:11:202
19974993013,12cyclictest27629-21/usr/sbin/munin19:57:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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