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2026-03-25 - 10:43
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Wed Mar 25, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335799834,73cyclictest7963-21latency_hist21:30:012
335799813,34cyclictest382-21systemd-journal21:12:252
335799802,73cyclictest16044-21ssh23:05:592
335799784,68cyclictest0-21swapper/223:32:572
335799754,65cyclictest0-21swapper/220:38:112
335799752,67cyclictest565-21irqbalance22:52:282
335799733,64cyclictest6169-21tune2fs18:20:202
335799733,63cyclictest31407-21processes22:00:252
335799725,61cyclictest8392-21ssh22:55:392
335799722,8cyclictest20772-21/usr/sbin/munin19:00:272
335799722,64cyclictest15165-21/usr/sbin/munin18:45:312
335799713,61cyclictest2318-21ssh22:48:392
335799712,63cyclictest3052-21expr22:05:292
335799712,6cyclictest26294-21ps20:27:112
335799705,58cyclictest0-21swapper/220:44:072
335799704,60cyclictest0-21swapper/221:32:092
335799704,59cyclictest0-21swapper/223:11:412
335799702,62cyclictest8975-21/usr/sbin/munin19:55:222
335799702,62cyclictest8975-21/usr/sbin/munin19:55:222
335799702,62cyclictest31008-21ssh20:34:112
335799702,62cyclictest14049-21awk20:06:102
335799694,59cyclictest7705-21ssh22:12:022
335799694,59cyclictest0-21swapper/220:55:012
335799694,59cyclictest0-21swapper/220:55:012
335799693,60cyclictest3527-21df19:40:152
335799693,60cyclictest12314-21ssh22:18:532
335799692,8cyclictest14599-21/usr/sbin/munin20:10:172
335799692,61cyclictest4532-21wget23:35:082
335799692,61cyclictest4532-21wget23:35:082
335799692,61cyclictest10655-21/usr/sbin/munin23:00:182
335799685,57cyclictest0-21swapper/221:23:302
335799684,36cyclictest0-21swapper/223:20:122
335799683,59cyclictest17024-21ssh20:58:162
335799682,7cyclictest30142-21/usr/sbin/munin19:25:282
335799682,60cyclictest17552-21missed_timers22:25:202
335799682,60cyclictest10841-21/usr/sbin/munin20:00:152
3357996812,50cyclictest0-21swapper/222:39:462
335799675,56cyclictest0-21swapper/221:42:332
335799675,56cyclictest0-21swapper/221:00:562
335799675,55cyclictest0-21swapper/219:55:032
335799674,56cyclictest0-21swapper/221:05:152
335799673,59cyclictest20555-21ssh22:30:032
335799673,58cyclictest31847-21ssh23:27:542
335799673,58cyclictest21541-21wc20:20:312
335799673,58cyclictest20166-21latency_hist20:20:032
335799673,58cyclictest12179-21grep21:35:152
335799673,58cyclictest12179-21grep21:35:152
335799672,6cyclictest19630-21ntp_kernel_err18:55:252
335799668,52cyclictest0-21swapper/219:35:292
335799665,55cyclictest0-21swapper/223:19:192
335799665,55cyclictest0-21swapper/221:58:022
335799665,55cyclictest0-21swapper/221:18:302
335799664,56cyclictest0-21swapper/222:41:072
335799664,56cyclictest0-21swapper/221:54:052
335799664,56cyclictest0-21swapper/221:45:352
335799664,56cyclictest0-21swapper/220:47:182
335799664,56cyclictest0-21swapper/220:47:182
335799662,7cyclictest5237-21/usr/sbin/munin19:45:272
335799662,7cyclictest32009-21/usr/sbin/munin19:30:262
335799662,57cyclictest28265-21/usr/sbin/munin19:20:262
335799655,55cyclictest0-21swapper/223:42:302
335799655,29cyclictest0-21swapper/222:20:362
335799655,29cyclictest0-21swapper/222:20:362
335799652,7cyclictest7106-21/usr/sbin/munin19:50:162
335799643,5cyclictest0-21swapper/218:35:042
335799632,7cyclictest627-21snmpd18:16:562
335799604,49cyclictest0-21swapper/219:15:042
335799603,52cyclictest0-21swapper/219:10:042
335799594,49cyclictest0-21swapper/218:40:042
335799593,50cyclictest0-21swapper/218:54:322
335799584,48cyclictest0-21swapper/219:17:562
334899584,47cyclictest0-21swapper/121:16:201
335799572,7cyclictest9333-21latency_hist18:30:052
281125711,17sleep20-21swapper/218:11:312
281125711,17sleep20-21swapper/218:11:312
335799563,48cyclictest0-21swapper/218:40:102
334899564,46cyclictest0-21swapper/121:46:291
3348995616,5cyclictest0-21swapper/121:40:211
334899555,17cyclictest0-21swapper/122:23:301
334899555,17cyclictest0-21swapper/122:23:301
334899554,7cyclictest0-21swapper/122:50:581
334899554,45cyclictest0-21swapper/123:25:591
334899552,47cyclictest3954-21/usr/sbin/munin18:15:341
334899544,44cyclictest0-21swapper/123:33:591
334899534,42cyclictest0-21swapper/122:04:391
334899534,17cyclictest0-21swapper/121:23:161
3348995313,34cyclictest26429-21sshd23:20:221
334499534,6cyclictest0-21swapper/022:33:280
3348995243,5cyclictest21-21ksoftirqd/122:15:001
334899524,42cyclictest0-21swapper/121:13:181
334899523,43cyclictest0-21swapper/120:44:011
334899514,9cyclictest0-21swapper/121:26:201
334899514,41cyclictest0-21swapper/120:53:511
334899514,41cyclictest0-21swapper/120:53:511
334899513,42cyclictest0-21swapper/120:05:271
334899509,34cyclictest0-21swapper/121:51:141
334899504,41cyclictest0-21swapper/123:41:271
334899503,9cyclictest0-21swapper/123:13:581
334899503,41cyclictest0-21swapper/123:00:381
334899503,41cyclictest0-21swapper/122:26:381
334899503,41cyclictest0-21swapper/121:56:301
334899503,41cyclictest0-21swapper/120:35:161
3348995012,32cyclictest0-21swapper/121:04:231
294825010,34sleep00-21swapper/018:13:100
294825010,34sleep00-21swapper/018:13:100
334899498,35cyclictest0-21swapper/121:06:501
334899496,10cyclictest0-21swapper/123:35:251
334899496,10cyclictest0-21swapper/123:35:251
334899494,39cyclictest0-21swapper/120:19:541
334899493,41cyclictest0-21swapper/122:06:191
334899493,41cyclictest0-21swapper/121:33:301
334899493,41cyclictest0-21swapper/120:59:111
334899493,22cyclictest0-21swapper/122:31:291
3348994912,5cyclictest0-21swapper/120:34:581
3348994910,34cyclictest0-21swapper/122:45:131
334899484,39cyclictest0-21swapper/121:36:031
334899484,39cyclictest0-21swapper/121:36:031
334899484,38cyclictest0-21swapper/123:05:291
334899484,38cyclictest0-21swapper/122:58:111
334899484,38cyclictest0-21swapper/122:38:511
334899484,38cyclictest0-21swapper/119:05:351
334899483,39cyclictest0-21swapper/122:40:161
3348994813,30cyclictest638-21runrttasks23:19:141
3348994810,32cyclictest0-21swapper/120:26:011
336599475,36cyclictest0-21swapper/323:29:523
334899474,38cyclictest0-21swapper/118:38:061
334899474,37cyclictest0-21swapper/122:17:281
334899474,37cyclictest0-21swapper/120:45:121
334899474,37cyclictest0-21swapper/120:45:121
334899474,37cyclictest0-21swapper/120:22:011
334899473,38cyclictest0-21swapper/118:45:201
334499474,37cyclictest0-21swapper/021:03:510
334499474,37cyclictest0-21swapper/020:17:480
334499474,36cyclictest0-21swapper/023:09:050
336599464,36cyclictest0-21swapper/322:52:543
336599464,36cyclictest0-21swapper/321:20:443
336599464,16cyclictest0-21swapper/322:55:253
334899464,36cyclictest0-21swapper/119:47:131
334899463,37cyclictest0-21swapper/119:15:051
334499464,36cyclictest0-21swapper/018:15:190
334499464,35cyclictest0-21swapper/021:10:210
336599459,5cyclictest0-21swapper/321:01:183
336599454,36cyclictest0-21swapper/322:10:253
336599454,36cyclictest0-21swapper/321:35:033
336599454,36cyclictest0-21swapper/321:35:033
336599454,35cyclictest0-21swapper/320:46:423
336599454,35cyclictest0-21swapper/320:46:423
336599454,34cyclictest0-21swapper/322:15:103
334899454,36cyclictest0-21swapper/118:30:261
334899454,35cyclictest0-21swapper/118:25:301
334899453,36cyclictest0-21swapper/119:10:321
334899453,11cyclictest0-21swapper/118:22:521
336599445,7cyclictest0-21swapper/320:41:473
336599445,33cyclictest0-21swapper/322:20:413
336599445,33cyclictest0-21swapper/322:20:413
336599444,35cyclictest0-21swapper/322:42:163
336599444,34cyclictest0-21swapper/320:59:123
336599444,16cyclictest0-21swapper/321:44:303
334899444,35cyclictest0-21swapper/118:50:151
334899443,9cyclictest0-21swapper/118:40:271
334899443,36cyclictest0-21swapper/120:01:581
334899443,35cyclictest0-21swapper/120:12:451
200732443,9sleep00-21swapper/023:11:440
336599434,34cyclictest0-21swapper/323:44:543
336599434,34cyclictest0-21swapper/318:16:063
336599434,33cyclictest0-21swapper/321:49:523
336599434,33cyclictest0-21swapper/318:20:373
334899433,34cyclictest0-21swapper/119:02:571
180452433,9sleep00-21swapper/021:42:530
336599424,32cyclictest0-21swapper/323:19:403
336599424,32cyclictest0-21swapper/321:35:013
317062423,7sleep30-21swapper/321:17:363
243282423,9sleep00-21swapper/022:35:050
162282423,8sleep00-21swapper/020:14:540
334899413,32cyclictest0-21swapper/119:50:121
334899413,32cyclictest0-21swapper/119:50:121
3344994132,5cyclictest3-21ksoftirqd/022:54:590
30942412,32sleep33101-21sh23:32:403
217782413,7sleep00-21swapper/021:05:050
170262413,8sleep00-21swapper/020:58:170
141132403,9sleep00-21swapper/021:37:220
141132403,9sleep00-21swapper/021:37:220
66362393,6sleep30-21swapper/323:37:113
66362393,6sleep30-21swapper/323:37:113
65072393,6sleep30-21swapper/319:45:363
334899394,29cyclictest0-21swapper/119:55:251
334899394,29cyclictest0-21swapper/119:55:251
284412393,7sleep30-21swapper/321:56:123
123612393,8sleep00-21swapper/022:18:590
78342383,29sleep00-21swapper/022:12:190
66912383,8sleep00-21swapper/019:47:460
298042383,5sleep00-21swapper/022:41:130
271692383,7sleep30-21swapper/322:38:383
260972383,6sleep30-21swapper/321:54:113
148872383,8sleep00-21swapper/018:44:280
84762373,8sleep00-21swapper/019:51:450
84762373,8sleep00-21swapper/019:51:450
336599374,27cyclictest0-21swapper/322:08:353
336599374,27cyclictest0-21swapper/321:28:093
3365993725,7cyclictest21595-21sed20:20:323
3365993724,8cyclictest32259-21cut22:45:143
334499374,29cyclictest0-21swapper/023:03:200
334499374,27cyclictest0-21swapper/019:36:300
334499373,29cyclictest0-21swapper/020:26:300
172042373,6sleep30-21swapper/323:08:333
96732363,8sleep00-21swapper/020:48:350
96732363,8sleep00-21swapper/020:48:350
49692363,7sleep00-21swapper/019:44:320
336599363,28cyclictest0-21swapper/323:00:513
334499364,27cyclictest0-21swapper/022:04:020
334499363,28cyclictest0-21swapper/023:43:260
334499363,28cyclictest0-21swapper/023:25:150
334499363,28cyclictest0-21swapper/020:30:050
3344993623,8cyclictest9535-21latency19:55:210
3344993623,8cyclictest9535-21latency19:55:210
3344993623,8cyclictest2019-21grep21:20:310
145723612,18sleep10-21swapper/118:10:131
145723612,18sleep10-21swapper/118:10:131
57582353,8sleep00-21swapper/020:43:160
336599354,26cyclictest0-21swapper/318:25:133
3365993525,6cyclictest31784-21grep22:00:303
3365993524,7cyclictest25534-21sort19:10:323
3365993523,7cyclictest9666-21tail19:55:243
3365993523,7cyclictest9666-21tail19:55:243
334899353,28cyclictest0-21swapper/118:59:331
334499353,28cyclictest0-21swapper/023:38:580
334499353,28cyclictest0-21swapper/023:38:580
334499353,28cyclictest0-21swapper/022:28:120
3344993523,8cyclictest2035-21grep23:30:300
285452353,8sleep00-21swapper/021:56:250
284723513,17sleep30-21swapper/318:12:003
284723513,17sleep30-21swapper/318:12:003
167352353,6sleep30-21swapper/318:49:103
336599344,25cyclictest0-21swapper/321:14:213
3365993423,7cyclictest30895-21grep19:25:263
3365993423,6cyclictest2796-21latency_hist20:40:033
334499345,23cyclictest0-21swapper/019:25:190
334499344,26cyclictest0-21swapper/020:39:450
334499344,24cyclictest0-21swapper/020:00:250
334499343,26cyclictest0-21swapper/022:57:050
334499343,26cyclictest0-21swapper/020:23:400
3344993422,7cyclictest2313-21sh22:05:150
3344993422,7cyclictest22906-21sort23:15:270
327352343,7sleep00-21swapper/021:19:510
205482342,4sleep30-21swapper/319:00:053
49192333,6sleep30-21swapper/319:43:593
336599334,25cyclictest0-21swapper/322:29:523
336599334,24cyclictest0-21swapper/319:33:223
336599333,26cyclictest0-21swapper/320:31:223
3365993315,13cyclictest543-21systemd-logind18:55:043
334899334,22cyclictest0-21swapper/119:32:101
334499334,25cyclictest0-21swapper/022:48:120
334499334,24cyclictest0-21swapper/021:50:470
334499333,24cyclictest0-21swapper/022:20:070
334499333,24cyclictest0-21swapper/022:20:070
3344993321,7cyclictest823-21unixbench_singl19:30:330
3344993320,7cyclictest12602-21unixbench_multi18:35:340
3344993317,11cyclictest11959-21sed20:50:330
3344993317,11cyclictest11959-21sed20:50:330
48972323,25sleep10-21swapper/119:43:411
336599324,24cyclictest0-21swapper/320:17:213
336599324,23cyclictest0-21swapper/320:51:513
336599324,23cyclictest0-21swapper/320:51:513
3365993219,8cyclictest382-21systemd-journal18:36:243
334499324,23cyclictest0-21swapper/021:47:090
89882313,7sleep00-21swapper/018:25:570
336599313,23cyclictest0-21swapper/321:09:513
336599313,23cyclictest0-21swapper/319:50:223
336599313,23cyclictest0-21swapper/319:50:223
3365993114,13cyclictest242792chrt19:09:453
334499315,20cyclictest0-21swapper/019:20:040
334499314,22cyclictest0-21swapper/023:20:050
334499314,22cyclictest0-21swapper/021:29:340
334499314,22cyclictest0-21swapper/019:20:240
334499313,24cyclictest0-21swapper/021:32:220
334499313,23cyclictest0-21swapper/018:20:060
334499313,22cyclictest0-21swapper/018:30:270
3344993120,7cyclictest24611-21cut19:10:150
3344993118,8cyclictest19686-21open_inodes18:55:280
108252313,6sleep30-21swapper/320:00:053
336599304,21cyclictest0-21swapper/320:06:223
336599303,23cyclictest0-21swapper/322:34:223
3365993019,6cyclictest26469-21aten_rbpower_po19:15:173
3365993018,7cyclictest26543-21ssh23:20:253
334499304,21cyclictest0-21swapper/019:05:170
334499304,20cyclictest0-21swapper/020:05:100
334499304,20cyclictest0-21swapper/018:45:190
336599293,22cyclictest0-21swapper/319:37:223
3365992918,6cyclictest25020-21proc_pri20:25:273
3365992917,7cyclictest29123-21ps19:20:273
3365992917,7cyclictest10430-21sendmail_mailqu18:30:303
334899298,6cyclictest282782aten_rbpower_cu19:20:121
334899294,20cyclictest0-21swapper/119:25:291
3348992917,7cyclictest1898-21grep19:35:201
334499294,20cyclictest0-21swapper/019:00:390
334499293,20cyclictest0-21swapper/018:50:310
3365992818,6cyclictest14045-21ntp_offset18:40:283
3365992817,7cyclictest638-21runrttasks18:56:593
3365992817,6cyclictest18323-21forks23:10:123
3365992718,5cyclictest15105-21uname20:10:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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