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2025-12-23 - 14:00
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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 Tue Dec 23, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3121599637,9cyclictest3164-21latency_hist23:34:221
31215996111,44cyclictest18290-21/usr/sbin/munin00:14:561
3121599609,9cyclictest22598-21/usr/sbin/munin22:59:501
3121599609,9cyclictest22598-21/usr/sbin/munin22:59:501
31215996010,44cyclictest16419-21/usr/sbin/munin00:09:551
31215995813,39cyclictest22025-21/usr/sbin/munin00:24:461
31220995716,36cyclictest14513-21ksmtuned22:35:002
31215995712,39cyclictest0-21swapper/122:34:381
3121599568,42cyclictest5562-21fschecks_time23:39:371
3121599568,42cyclictest3303-21/usr/sbin/munin23:34:531
31215995612,10cyclictest18622-21latency_hist22:49:241
31215995611,40cyclictest0-21swapper/119:27:031
31211995613,35cyclictest1533-21processes20:34:510
31215995512,10cyclictest18843-21/usr/sbin/munin22:49:471
31215995511,38cyclictest20713-21/usr/sbin/munin22:54:491
31215995510,39cyclictest0-21swapper/123:44:451
31211995522,28cyclictest22978-21timerwakeupswit20:04:570
31211995519,30cyclictest31660-21idleruntime20:29:430
31211995517,32cyclictest362-21tune2fs21:59:390
31211995514,35cyclictest6203-21unixbench_multi19:19:580
31211995514,35cyclictest24960-21unixbench_singl20:09:560
3121599549,39cyclictest26337-21/usr/sbin/munin23:09:481
3121599549,39cyclictest24467-21/usr/sbin/munin23:04:451
3121599549,39cyclictest24467-21/usr/sbin/munin23:04:451
3121599547,41cyclictest30072-21/usr/sbin/munin23:19:501
31215995414,34cyclictest0-21swapper/120:34:271
31215995410,39cyclictest8922-21/usr/sbin/munin23:49:491
3121199542,46cyclictest5633-21tail20:44:580
3122099533,43cyclictest0-21swapper/221:57:562
3121599538,39cyclictest12680-21/usr/sbin/munin23:59:471
3121599538,39cyclictest12680-21/usr/sbin/munin23:59:471
31215995312,8cyclictest10792-21/usr/sbin/munin23:54:471
31215995312,8cyclictest10792-21/usr/sbin/munin23:54:471
31215995311,37cyclictest14550-21/usr/sbin/munin00:04:511
31215995310,37cyclictest3670-21latency_hist22:09:241
3121199532,45cyclictest4367-21grep19:15:000
31211995319,28cyclictest25581-21ls21:39:440
31211995315,33cyclictest17213-21switchtime19:49:560
31211995314,33cyclictest11096-21timerandwakeup20:59:530
3122099524,41cyclictest0-21swapper/219:49:452
3121599528,39cyclictest19209-21sadc21:24:251
3121599528,38cyclictest9276-21latency_hist22:24:241
3121599525,41cyclictest0-21swapper/120:19:521
31215995212,35cyclictest25538-21latency_hist00:34:211
31215995211,35cyclictest20157-21/usr/sbin/munin00:19:491
3121199522,44cyclictest7332-21cut23:44:380
3121199522,43cyclictest14320-21iostat_ios21:09:430
31211995217,30cyclictest23775-21unixbench_multi22:59:540
31211995217,30cyclictest23775-21unixbench_multi22:59:540
31211995216,31cyclictest9416-21missed_timers19:29:490
31211995216,31cyclictest13872-21missed_timers22:34:440
31211995215,32cyclictest577-21ksmtuned23:36:030
31211995213,33cyclictest5281-21cpu23:39:330
3121599519,37cyclictest28207-21/usr/sbin/munin23:14:551
3121599518,37cyclictest21858-21latency_hist20:04:271
31211995115,31cyclictest14948-21latency19:44:470
31211995114,32cyclictest638-21runrttasks22:10:170
31211995114,32cyclictest15977-21fschecks_time21:14:390
31211995114,31cyclictest19211-21latency_hist21:24:260
31211995114,31cyclictest13112-21unixbench_multi21:04:550
31211995113,32cyclictest7397-21sed20:49:560
31211995113,32cyclictest3577-21timerandwakeup20:39:540
31211995113,32cyclictest20623-21missed_timers19:59:480
31211995113,32cyclictest20623-21missed_timers19:59:480
31211995113,31cyclictest554-21dbus-daemon00:04:210
31211995113,31cyclictest554-21dbus-daemon00:04:210
3121599508,37cyclictest519-21smartd20:38:261
31215995010,34cyclictest31952-21/usr/sbin/munin23:24:491
3121199503,8cyclictest0-21swapper/020:19:440
31211995019,26cyclictest27860-21switchtime21:44:540
31211995019,25cyclictest12489-21unixbench-2d22:29:520
31211995017,28cyclictest16595-21entropy00:09:360
31211995016,29cyclictest577-21ksmtuned21:24:570
31211995016,29cyclictest3110-21timerwakeupswit22:04:530
31211995015,30cyclictest8786-21unixbench_multi22:19:550
31211995015,30cyclictest26556-21fschecks_count23:09:400
31211995012,32cyclictest22625-21load00:24:400
31211995012,32cyclictest19802-21sort22:49:520
3122099494,40cyclictest0-21swapper/222:30:082
31220994912,5cyclictest281ktimersoftd/222:09:442
3121599499,35cyclictest27265-21latency_hist20:19:261
3121599496,37cyclictest19867-21latency_hist19:59:271
3121599496,37cyclictest19867-21latency_hist19:59:271
3121599495,39cyclictest23528-21latency_hist20:09:271
3121199494,8cyclictest0-21swapper/019:34:420
3121199494,14cyclictest0-21swapper/019:04:390
3121199494,10cyclictest0-21swapper/022:44:380
31211994918,26cyclictest10584-21timerwakeupswit22:24:530
31211994916,28cyclictest7443-21latency19:24:470
31211994916,28cyclictest18979-21processes19:54:530
31211994916,28cyclictest18979-21processes19:54:530
31211994915,29cyclictest32238-21fschecks_time23:24:380
31211994915,29cyclictest29836-21interrupts20:24:420
31211994915,29cyclictest29745-21sed21:49:520
31211994914,29cyclictest1722-21idleruntime19:09:440
31211994913,30cyclictest21656-21fschecks_time21:29:400
31211994913,30cyclictest21656-21fschecks_time21:29:400
3122099485,37cyclictest0-21swapper/222:24:352
3122099485,36cyclictest0-21swapper/220:14:562
3122099485,10cyclictest0-21swapper/221:04:562
3122099484,39cyclictest0-21swapper/221:27:202
3122099484,39cyclictest0-21swapper/219:11:302
3122099484,38cyclictest0-21swapper/220:55:262
3122099484,38cyclictest0-21swapper/219:19:502
3122099484,37cyclictest0-21swapper/221:09:442
3122099484,37cyclictest0-21swapper/219:54:482
3122099484,37cyclictest0-21swapper/219:54:482
3122099484,37cyclictest0-21swapper/219:14:442
3122099484,37cyclictest0-21swapper/219:08:022
3122099484,36cyclictest0-21swapper/220:40:352
3122099483,40cyclictest0-21swapper/221:49:402
31220994818,25cyclictest5763-21/usr/sbin/munin22:14:482
3121599485,6cyclictest0-21swapper/121:59:251
3121599484,38cyclictest0-21swapper/120:49:541
3121199485,7cyclictest0-21swapper/022:44:230
3121199484,13cyclictest0-21swapper/023:04:380
3121199484,13cyclictest0-21swapper/023:04:380
31211994816,27cyclictest638-21runrttasks23:15:470
31211994815,28cyclictest13253-21ntp_kernel_pll_19:39:480
31211994813,6cyclictest20823-21cpu22:54:360
31211994813,29cyclictest8189-21sshd20:54:360
3122099474,9cyclictest0-21swapper/220:29:512
3122099474,37cyclictest0-21swapper/221:29:462
3122099474,37cyclictest0-21swapper/221:29:462
3122099474,37cyclictest0-21swapper/221:19:372
3122099474,37cyclictest0-21swapper/219:39:572
3122099474,37cyclictest0-21swapper/219:24:432
3122099474,18cyclictest0-21swapper/222:44:332
3122099474,10cyclictest0-21swapper/222:04:392
3122099473,38cyclictest0-21swapper/221:44:222
3121599478,33cyclictest4233-21latency_hist20:44:261
3121599474,38cyclictest0-21swapper/119:40:231
3121599474,37cyclictest0-21swapper/119:10:131
3121599474,11cyclictest0-21swapper/120:28:361
3121599473,38cyclictest0-21swapper/119:59:461
31215994711,31cyclictest0-21swapper/121:04:261
3121199474,8cyclictest0-21swapper/023:29:340
3121199474,15cyclictest0-21swapper/000:19:360
3121199473,8cyclictest10892-21cut23:54:350
3121199473,8cyclictest10892-21cut23:54:350
3121199473,11cyclictest0-21swapper/000:04:370
31211994716,26cyclictest26151-21latency20:14:450
31211994713,6cyclictest31160-21kernelversion21:54:440
31211994713,29cyclictest19249-21sort00:14:510
3122099464,37cyclictest0-21swapper/221:59:402
3122099464,37cyclictest0-21swapper/220:24:272
3122099464,37cyclictest0-21swapper/220:04:442
3122099464,37cyclictest0-21swapper/219:38:182
3122099464,37cyclictest0-21swapper/219:29:442
3122099464,36cyclictest0-21swapper/220:59:512
3122099464,36cyclictest0-21swapper/220:09:552
3122099463,38cyclictest0-21swapper/221:18:232
3122099463,37cyclictest0-21swapper/220:34:432
31220994611,30cyclictest0-21swapper/222:39:522
3121599468,32cyclictest26687-21latency_hist21:44:241
3121599464,37cyclictest0-21swapper/122:04:251
3121599464,37cyclictest0-21swapper/119:06:181
3121599464,36cyclictest0-21swapper/121:30:301
3121599464,36cyclictest0-21swapper/121:30:301
3121599464,36cyclictest0-21swapper/121:10:411
3121599464,36cyclictest0-21swapper/119:48:121
3121599463,37cyclictest0-21swapper/119:19:581
3121199464,8cyclictest0-21swapper/023:49:460
3121199464,13cyclictest0-21swapper/000:29:350
3121199464,10cyclictest0-21swapper/023:19:350
3121199463,9cyclictest6370-21memory22:14:460
3121199463,8cyclictest23823-21cat21:34:430
3121199463,8cyclictest23823-21cat21:34:430
3122099454,36cyclictest0-21swapper/221:36:222
3122099454,36cyclictest0-21swapper/221:36:222
3122099454,36cyclictest0-21swapper/220:44:272
3122099454,35cyclictest0-21swapper/219:59:522
3122099454,35cyclictest0-21swapper/219:59:522
3122099453,37cyclictest0-21swapper/221:44:542
3121599459,31cyclictest24790-21chrt21:39:051
3121599459,31cyclictest24790-21chrt21:39:051
3121599459,31cyclictest17952-21latency_hist19:54:281
3121599458,5cyclictest0-21swapper/121:19:261
3121599456,33cyclictest0-21swapper/119:34:281
3121599454,36cyclictest12297-21idleruntime-cro19:39:271
3121599454,36cyclictest0-21swapper/122:43:431
3121599453,37cyclictest0-21swapper/119:14:471
31215994510,30cyclictest0-21swapper/122:29:331
3122099444,35cyclictest0-21swapper/220:25:232
3122099444,11cyclictest0-21swapper/220:52:222
3122099443,36cyclictest0-21swapper/222:19:472
3122099443,36cyclictest0-21swapper/219:44:392
3121599448,32cyclictest6137-21latency_hist20:49:261
3121599444,36cyclictest0-21swapper/122:29:041
3121599444,35cyclictest0-21swapper/121:44:511
3121599444,35cyclictest0-21swapper/120:58:411
3121599444,10cyclictest0-21swapper/122:09:541
3121599434,9cyclictest0-21swapper/122:17:091
3121599434,9cyclictest0-21swapper/121:53:091
3121599434,9cyclictest0-21swapper/121:06:051
3121599433,35cyclictest0-21swapper/121:24:561
295352433,10sleep20-21swapper/223:15:372
204652423,9sleep20-21swapper/222:54:082
160072423,9sleep20-21swapper/200:07:072
31220994132,5cyclictest29-21ksoftirqd/223:09:222
31220994132,5cyclictest29-21ksoftirqd/223:09:222
3121599413,34cyclictest0-21swapper/120:12:421
48712403,9sleep20-21swapper/223:38:302
293222408,26sleep20-21swapper/218:59:362
3122699394,29cyclictest0-21swapper/300:04:443
3122699393,29cyclictest0-21swapper/300:19:303
3122699384,28cyclictest0-21swapper/321:23:413
3122699384,28cyclictest0-21swapper/300:19:203
3122699384,28cyclictest0-21swapper/300:10:193
3122699383,28cyclictest0-21swapper/321:14:563
3122699383,28cyclictest0-21swapper/321:08:013
270332383,6sleep30-21swapper/320:16:433
120142383,6sleep30-21swapper/319:36:073
86472373,8sleep20-21swapper/223:48:482
3122699374,27cyclictest0-21swapper/300:28:183
3122699373,28cyclictest0-21swapper/321:24:313
3122099374,27cyclictest0-21swapper/223:49:322
31220993726,7cyclictest5858-21tail23:39:432
31220993725,7cyclictest2165-21tr23:29:442
2932023714,17sleep00-21swapper/018:59:340
253182373,7sleep30-21swapper/300:31:473
321042363,7sleep30-21swapper/321:56:553
3122699364,27cyclictest0-21swapper/321:09:363
3122699363,27cyclictest0-21swapper/321:29:363
3122699363,27cyclictest0-21swapper/321:29:363
31226993625,6cyclictest85132sleep320:54:413
3122099364,27cyclictest0-21swapper/223:54:252
3122099364,27cyclictest0-21swapper/223:54:252
3122699354,26cyclictest0-21swapper/321:04:243
3122699354,21cyclictest0-21swapper/320:09:463
3122699353,27cyclictest0-21swapper/300:00:593
3122699353,27cyclictest0-21swapper/300:00:593
31226993525,6cyclictest12551-21tail22:29:523
3090123511,18sleep10-21swapper/119:03:371
3073323511,17sleep30-21swapper/319:01:383
288632353,6sleep30-21swapper/320:21:143
223062353,9sleep20-21swapper/222:58:342
192112352,27sleep319286-21/usr/sbin/munin19:54:583
192112352,27sleep319286-21/usr/sbin/munin19:54:583
3122699345,23cyclictest0-21swapper/322:34:453
3122699344,25cyclictest0-21swapper/323:04:383
3122699344,25cyclictest0-21swapper/323:04:383
3122699344,24cyclictest0-21swapper/320:51:233
3122699344,16cyclictest0-21swapper/322:14:243
3122699343,25cyclictest0-21swapper/322:26:333
3122699343,25cyclictest0-21swapper/319:49:503
31226993423,6cyclictest7997-21cat23:44:503
31226993423,6cyclictest501-17auditd22:02:363
31220993425,5cyclictest29-21ksoftirqd/223:04:232
31220993425,5cyclictest29-21ksoftirqd/223:04:232
31220993422,7cyclictest25059-21tail00:29:542
31220993422,7cyclictest22308-21grep00:24:352
3122699335,22cyclictest0-21swapper/323:14:353
3122699334,24cyclictest0-21swapper/321:34:263
3122699334,24cyclictest0-21swapper/321:34:263
3122699334,24cyclictest0-21swapper/319:45:373
3122699334,22cyclictest0-21swapper/322:59:363
3122699334,22cyclictest0-21swapper/322:59:363
31226993322,7cyclictest5909-21gzip19:19:533
31226993322,7cyclictest21858-21grep22:54:543
31226993321,7cyclictest4119-21processes23:34:483
31226993321,7cyclictest30981-21smart_sda23:19:483
31226993320,8cyclictest7948-21grep22:19:403
31226993320,8cyclictest32360-21taskset23:24:393
31226993320,7cyclictest27979-21crond23:14:223
31220993324,5cyclictest29-21ksoftirqd/200:14:212
31220993313,15cyclictest136992chrt23:59:502
31220993313,15cyclictest136992chrt23:59:502
3122699326,20cyclictest0-21swapper/319:39:473
3122699324,22cyclictest0-21swapper/322:49:413
31226993222,6cyclictest31204-21munin-node19:04:343
31226993212,16cyclictest2513-21cut20:39:263
3122099323,24cyclictest0-21swapper/223:09:372
31220993216,11cyclictest0-21swapper/223:25:022
3122699314,23cyclictest0-21swapper/320:48:483
3122699314,22cyclictest0-21swapper/322:44:513
3122699314,21cyclictest0-21swapper/320:24:383
3122699314,20cyclictest0-21swapper/319:24:533
3122699314,14cyclictest0-21swapper/323:41:363
3122699313,23cyclictest0-21swapper/322:05:003
3122699313,23cyclictest0-21swapper/320:42:333
31226993120,7cyclictest21216-21grep19:59:583
31226993120,7cyclictest21216-21grep19:59:583
3122699312,24cyclictest4388-21grep19:15:003
31226993119,7cyclictest2447-21sed19:09:583
3122099314,22cyclictest0-21swapper/223:19:542
3122099313,23cyclictest0-21swapper/200:17:302
3122699305,18cyclictest0-21swapper/319:29:593
3122699304,22cyclictest0-21swapper/320:34:223
3122699304,21cyclictest0-21swapper/323:56:243
3122699304,21cyclictest0-21swapper/323:56:243
3122699304,21cyclictest0-21swapper/323:29:253
3122699304,21cyclictest0-21swapper/322:39:413
3122699304,21cyclictest0-21swapper/320:04:503
3122699304,20cyclictest0-21swapper/321:54:183
3122099304,20cyclictest0-21swapper/200:19:332
3122699294,20cyclictest0-21swapper/322:14:273
3122699294,20cyclictest0-21swapper/321:39:513
31226992919,6cyclictest9870-21switchtime23:49:513
31226992917,7cyclictest28351-21awk21:46:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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