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2026-08-09 - 14:45
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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 Sun Aug 09, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2520399782,51cyclictest15312-21ssh20:37:202
2520399754,65cyclictest0-21swapper/220:35:392
2520399752,66cyclictest27668-21/usr/sbin/munin18:31:452
25207997416,52cyclictest0-21swapper/321:04:193
2520399744,25cyclictest0-21swapper/221:10:592
2520399732,65cyclictest891-21/usr/sbin/munin18:46:432
25207997215,51cyclictest0-21swapper/323:01:063
2520399722,64cyclictest8039-21ssh22:36:302
2520399722,64cyclictest21469-21/usr/sbin/munin19:41:522
2520399714,61cyclictest0-21swapper/222:46:212
2520399714,61cyclictest0-21swapper/222:46:212
2520399712,63cyclictest31267-21processes23:06:382
2520399703,60cyclictest10486-21/usr/sbin/munin23:21:452
2520399694,58cyclictest0-21swapper/222:03:222
25207996822,40cyclictest643-21runrttasks20:31:003
2520399684,58cyclictest0-21swapper/221:21:402
2520399682,60cyclictest28843-21latency_hist20:01:192
2520399682,59cyclictest28958-21/usr/sbin/munin20:01:432
2520399682,59cyclictest19598-21/usr/sbin/munin19:36:352
2520399682,29cyclictest22967-21sort21:31:302
2520399673,59cyclictest0-21swapper/221:53:542
2520399673,58cyclictest28420-21ssh23:46:242
2520399673,58cyclictest10577-21timerandwakeup21:56:442
2520399673,58cyclictest10577-21timerandwakeup21:56:442
2520399672,27cyclictest1188-21ssh21:45:372
25203996712,49cyclictest0-21swapper/223:03:132
25207996622,38cyclictest13848-21df20:36:303
25207996620,39cyclictest32182-21/usr/sbin/munin23:51:303
2520399663,57cyclictest31467-21ssh22:25:072
2520399663,57cyclictest23340-21/usr/sbin/munin19:46:452
2520399662,58cyclictest31410-21/usr/sbin/munin18:41:362
2520399662,58cyclictest17732-21/usr/sbin/munin19:31:482
2520399662,30cyclictest19987-21ssh23:35:112
25203996613,20cyclictest0-21swapper/222:51:452
25203996610,50cyclictest0-21swapper/220:44:582
25207996521,38cyclictest2896-21ssh22:30:073
25207996521,37cyclictest30936-21irqstats21:41:373
25207996519,40cyclictest10303-21ssh22:39:423
2520399658,51cyclictest0-21swapper/220:27:542
2520399654,55cyclictest0-21swapper/222:58:332
2520399653,55cyclictest21724-21kernelversion20:46:362
2520399653,55cyclictest11518-21df_inode21:16:292
2520399653,36cyclictest25414-21needreboot22:16:372
2520399652,57cyclictest7539-21/usr/sbin/munin21:11:382
2520399652,57cyclictest7539-21/usr/sbin/munin21:11:382
2520399652,57cyclictest4363-21fschecks_time20:21:322
2520399652,57cyclictest32109-21kworker/2:223:54:252
2520399652,57cyclictest23802-21ssh23:40:122
2520399652,35cyclictest1769-21/usr/sbin/munin23:11:242
25207996422,36cyclictest21159-21/usr/sbin/munin20:46:443
2520399646,54cyclictest11968-21grep22:41:332
2520399646,51cyclictest0-21swapper/223:26:152
2520399645,53cyclictest0-21swapper/223:17:192
2520399645,53cyclictest0-21swapper/221:27:222
2520399643,55cyclictest0-21swapper/222:07:462
2520399643,54cyclictest29469-21ntpq20:56:402
2520399642,56cyclictest27791-21ssh20:55:022
2520399642,56cyclictest25217-21/usr/sbin/munin19:51:432
2520399642,56cyclictest24975-21perl23:41:292
25207996322,34cyclictest15682-21/usr/sbin/munin22:46:343
25207996322,34cyclictest15682-21/usr/sbin/munin22:46:343
25207996321,9cyclictest15708-21ssh23:29:113
25207996321,35cyclictest16066-21ssh22:04:513
25207996320,37cyclictest19955-21ssh20:44:173
25207996319,38cyclictest5738-21df_inode23:16:273
25207996318,39cyclictest25111-21ssh21:33:503
25207996316,40cyclictest0-21swapper/321:23:113
2520399634,53cyclictest0-21swapper/221:37:352
2520399633,54cyclictest15824-21latency_hist19:26:202
2520399632,56cyclictest6345-21latency_hist19:01:192
2520399632,56cyclictest29988-21if_err_eth218:36:362
2520399632,55cyclictest800-21ntp_kernel_err21:01:382
2520399632,55cyclictest7233-21latency_hist22:36:152
2520399632,55cyclictest5191-21runrttasks21:51:012
2520399632,55cyclictest25950-21cpu18:26:332
2520399632,55cyclictest25950-21cpu18:26:332
2520399632,55cyclictest24974-21kworker/2:122:30:022
25207996219,37cyclictest3650-21ssh22:31:173
25207996219,37cyclictest28417-21ssh23:02:453
25207996219,37cyclictest26767-21entropy21:36:313
25207996218,38cyclictest6153-21iostat_ios21:51:353
25207996218,38cyclictest21524-21ssh22:54:163
25207996218,38cyclictest13541-21cut20:36:183
2520399622,54cyclictest21466-21latency22:11:342
2520399622,53cyclictest30827-21/usr/sbin/munin20:06:442
25207996121,33cyclictest9205-21ssh21:12:213
25207996121,33cyclictest9205-21ssh21:12:213
25207996119,36cyclictest12224-21ssh21:59:473
25207996119,36cyclictest12224-21ssh21:59:473
25207996119,35cyclictest10758-21uptime23:21:473
25207996118,37cyclictest6582-21ssh21:09:523
25207996117,38cyclictest0-21swapper/323:35:183
25207996117,38cyclictest0-21swapper/322:16:213
25207996116,38cyclictest0-21swapper/322:22:223
25207996116,13cyclictest0-21swapper/321:00:003
25207996018,10cyclictest20871-21ssh21:27:553
25207996017,11cyclictest0-21swapper/323:47:563
25207996016,38cyclictest0-21swapper/323:44:443
25207996016,38cyclictest0-21swapper/323:14:293
25207996016,38cyclictest0-21swapper/322:09:373
25207996016,38cyclictest0-21swapper/321:19:173
25207996016,12cyclictest0-21swapper/320:55:393
25207996015,38cyclictest0-21swapper/321:47:243
2520399602,52cyclictest4532-21latency_hist18:56:202
2485326010,18sleep30-21swapper/318:25:073
2485326010,18sleep30-21swapper/318:25:073
25207995920,33cyclictest629-21snmpd23:38:523
25207995917,36cyclictest13623-21ssh22:43:413
25207995915,38cyclictest0-21swapper/323:07:073
2520399592,52cyclictest629-21snmpd19:27:532
25207995811,41cyclictest0-21swapper/322:13:263
2520399584,49cyclictest0-21swapper/219:16:192
2520399583,50cyclictest0-21swapper/219:11:202
2520399582,50cyclictest4036-21latency_hist20:21:182
2520399573,49cyclictest13779-21idleruntime-cro19:21:192
2520399573,49cyclictest0-21swapper/220:11:342
2520399573,49cyclictest0-21swapper/220:11:342
2519299574,46cyclictest0-21swapper/020:59:090
2520399562,28cyclictest8142-21crond19:06:192
2519299555,43cyclictest0-21swapper/022:12:270
25192995546,5cyclictest3-21ksoftirqd/021:06:170
2519299544,9cyclictest0-21swapper/023:33:150
2519299544,44cyclictest0-21swapper/021:45:480
2519299543,45cyclictest0-21swapper/021:34:330
2519299533,6cyclictest0-21swapper/018:41:440
2519299514,41cyclictest0-21swapper/020:26:220
2519299505,39cyclictest0-21swapper/021:29:150
2519299502,42cyclictest13991-21/usr/sbin/munin19:21:310
25192995012,32cyclictest0-21swapper/023:26:050
25192995010,34cyclictest0-21swapper/020:51:100
2519299501,43cyclictest11-21rcuc/020:33:000
2519699494,39cyclictest0-21swapper/120:39:211
2519299495,38cyclictest0-21swapper/023:00:400
2519299494,6cyclictest0-21swapper/020:44:290
2519299494,40cyclictest0-21swapper/022:43:270
2519299493,41cyclictest0-21swapper/022:01:280
2519299492,41cyclictest25204-21kworker/0:121:22:180
2519299492,15cyclictest6972-21ssh23:16:470
25207994824,18cyclictest22417-21/usr/sbin/munin19:41:473
25207994819,23cyclictest26528-21grep18:26:433
25207994819,23cyclictest26528-21grep18:26:433
2519699484,39cyclictest0-21swapper/120:35:401
2519699484,38cyclictest0-21swapper/123:42:371
2519699483,41cyclictest0-21swapper/121:44:481
2519299486,37cyclictest0-21swapper/023:27:410
2519299485,38cyclictest0-21swapper/023:41:390
2519299485,38cyclictest0-21swapper/022:20:260
2519299485,37cyclictest0-21swapper/022:28:320
2519299484,39cyclictest0-21swapper/021:11:490
2519299484,39cyclictest0-21swapper/021:11:490
2519299484,38cyclictest0-21swapper/021:38:480
2519299484,38cyclictest0-21swapper/020:11:400
2519299484,38cyclictest0-21swapper/020:11:400
2519299484,37cyclictest0-21swapper/022:24:290
2519299484,19cyclictest0-21swapper/022:33:220
2519299483,40cyclictest0-21swapper/023:01:440
2519299483,39cyclictest0-21swapper/019:18:010
25192994813,31cyclictest6568-21aten_rbpower_po19:01:310
2520799473,40cyclictest0-21swapper/318:47:023
2519699474,36cyclictest0-21swapper/121:59:231
2519699474,36cyclictest0-21swapper/121:59:231
2519299475,8cyclictest21153-21/usr/sbin/munin23:36:290
2519299475,37cyclictest0-21swapper/022:47:070
2519299475,37cyclictest0-21swapper/022:47:070
2519299475,37cyclictest0-21swapper/020:39:500
2519299474,37cyclictest0-21swapper/023:54:110
2519299474,37cyclictest0-21swapper/023:46:270
2519299474,37cyclictest0-21swapper/023:16:070
2519299474,37cyclictest0-21swapper/023:09:510
2519299474,37cyclictest0-21swapper/022:36:170
2519299474,37cyclictest0-21swapper/021:47:500
2519299473,39cyclictest0-21swapper/021:18:580
2519299473,39cyclictest0-21swapper/020:51:190
2519299473,38cyclictest0-21swapper/021:53:380
25207994622,18cyclictest12282-21sh19:16:343
25207994622,17cyclictest2683-21kernelversion20:16:373
2519699464,36cyclictest0-21swapper/123:18:151
2519699464,36cyclictest0-21swapper/123:08:311
2519699464,36cyclictest0-21swapper/122:12:111
2519699463,37cyclictest781-21/usr/sbin/munin22:26:391
25196994610,30cyclictest0-21swapper/123:22:371
2519299469,31cyclictest0-21swapper/022:08:200
2519299465,35cyclictest0-21swapper/021:58:240
2519299465,35cyclictest0-21swapper/021:58:240
2519299464,36cyclictest0-21swapper/022:51:510
2519299464,36cyclictest0-21swapper/021:09:340
2519299463,38cyclictest0-21swapper/019:11:510
2519699458,31cyclictest0-21swapper/122:32:031
2519699457,32cyclictest0-21swapper/122:50:251
2519699457,32cyclictest0-21swapper/122:50:251
2519699454,36cyclictest0-21swapper/123:37:401
2519699454,36cyclictest0-21swapper/122:53:311
2519699454,17cyclictest0-21swapper/123:53:521
2519699454,17cyclictest0-21swapper/123:02:231
2519699453,37cyclictest0-21swapper/121:06:241
2519699453,37cyclictest0-21swapper/119:01:511
2519299454,36cyclictest0-21swapper/019:26:420
2519299454,35cyclictest0-21swapper/018:56:410
2519299453,38cyclictest0-21swapper/020:17:340
25207994426,13cyclictest29945-21fschecks_time18:36:353
25207994425,13cyclictest9616-21uptime19:06:513
25207994425,13cyclictest28563-21/usr/sbin/munin18:31:463
25207994419,19cyclictest16315-21if_err_eth219:26:353
25207994418,20cyclictest10287-21cut19:11:303
2519699444,35cyclictest0-21swapper/122:42:231
2519699444,35cyclictest0-21swapper/122:08:091
2519699444,35cyclictest0-21swapper/120:41:581
2519699444,35cyclictest0-21swapper/118:31:471
2519699444,34cyclictest0-21swapper/122:05:371
2519699444,34cyclictest0-21swapper/121:52:411
2519699443,5cyclictest0-21swapper/123:14:161
25207994325,13cyclictest14016-21wget19:21:303
25207994324,13cyclictest17897-21/usr/sbin/munin19:31:343
25207994322,15cyclictest32748-21cut20:11:293
25207994322,15cyclictest32748-21cut20:11:293
25207994320,17cyclictest26687-21taskset19:54:083
2519699436,32cyclictest0-21swapper/121:21:161
2519699436,31cyclictest0-21swapper/121:26:211
2519699434,33cyclictest0-21swapper/121:41:151
2519699434,33cyclictest0-21swapper/120:30:041
2519299433,35cyclictest0-21swapper/018:38:030
2519299433,34cyclictest0-21swapper/019:06:310
2519299433,34cyclictest0-21swapper/018:32:390
2519299433,33cyclictest4229-21df_inode20:21:300
276962423,6sleep10-21swapper/122:20:121
271972423,6sleep10-21swapper/120:53:461
25207994225,11cyclictest19760-21/usr/sbin/munin19:36:303
25207994224,13cyclictest31413-21aten_rbpower_cu18:41:323
25207994223,13cyclictest3713-21/usr/sbin/munin18:51:483
25207994223,13cyclictest23499-21/usr/sbin/munin19:46:313
25207994222,14cyclictest27090-21aten_rbpower_cu19:56:283
25207994221,9cyclictest6276-21crond19:01:193
25207994221,16cyclictest30881-21cut20:06:293
2519699424,34cyclictest0-21swapper/118:28:261
2519699424,34cyclictest0-21swapper/118:28:261
2519699423,33cyclictest0-21swapper/121:21:171
25207994123,13cyclictest6862-21uniq19:01:353
25207994123,13cyclictest4561-21/usr/sbin/munin20:21:353
25207994122,13cyclictest28961-21aten_rbpower_cu20:01:303
2519699413,33cyclictest0-21swapper/119:56:481
2519299413,33cyclictest0-21swapper/018:53:200
193562413,6sleep10-21swapper/123:33:531
154132413,6sleep10-21swapper/123:28:341
46482403,6sleep10-21swapper/121:49:531
2519699403,8cyclictest0-21swapper/119:21:521
2519299403,33cyclictest0-21swapper/020:08:450
2461424010,23sleep20-21swapper/218:22:172
2461424010,23sleep20-21swapper/218:22:172
193682403,7sleep00-21swapper/019:36:140
2519699393,32cyclictest0-21swapper/119:11:521
25196993929,5cyclictest21-21ksoftirqd/120:16:181
25196993929,5cyclictest21-21ksoftirqd/120:16:181
2481923814,18sleep00-21swapper/018:24:440
2481923814,18sleep00-21swapper/018:24:440
80992373,6sleep10-21swapper/121:11:371
80992373,6sleep10-21swapper/121:11:371
307562373,6sleep10-21swapper/122:23:381
2519699374,28cyclictest0-21swapper/118:41:491
2519699373,6cyclictest0-21swapper/118:56:551
230392373,7sleep00-21swapper/019:45:240
2519699364,27cyclictest0-21swapper/118:46:451
244332363,5sleep10-21swapper/122:57:231
2519699353,28cyclictest0-21swapper/120:56:211
25196993527,4cyclictest21-21ksoftirqd/121:36:161
25196993522,8cyclictest32389-21/usr/sbin/munin21:01:311
239112358,19sleep10-21swapper/118:21:401
239112358,19sleep10-21swapper/118:21:401
209792353,7sleep00-21swapper/019:38:080
2519699333,26cyclictest0-21swapper/120:49:011
25192993316,11cyclictest3-21ksoftirqd/018:26:470
25192993316,11cyclictest3-21ksoftirqd/018:26:470
2519699324,23cyclictest0-21swapper/122:37:351
25196993219,8cyclictest5335-21sshd20:21:501
25192993221,7cyclictest30145-21grep20:01:490
25192993219,8cyclictest27447-21grep19:56:330
2519699314,23cyclictest0-21swapper/119:45:121
2519699314,21cyclictest0-21swapper/119:07:491
2519699313,23cyclictest0-21swapper/120:01:431
2519699313,23cyclictest0-21swapper/119:46:431
25196993122,5cyclictest21-21ksoftirqd/119:31:191
25196993121,6cyclictest31506-21needreboot20:06:401
2519699312,23cyclictest3002-21fschecks_count18:51:351
25196993116,11cyclictest30196-21missed_timers18:36:401
2519699302,23cyclictest29345-21rm23:46:391
25192993019,7cyclictest1274-21tune2fs18:46:340
2519699298,17cyclictest26395-21unixbench_multi19:51:481
2519699294,20cyclictest0-21swapper/119:16:421
2519699293,22cyclictest0-21swapper/119:40:221
2519299293,21cyclictest0-21swapper/019:51:540
25192992918,6cyclictest23530-21fschecks_count19:46:330
2519699284,19cyclictest0-21swapper/120:16:291
2519699282,21cyclictest17966-21grep19:31:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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