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2026-04-10 - 21:47
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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 Fri Apr 10, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70912810,3sleep011-21rcuc/008:52:140
2292599645,53cyclictest18549-21/usr/sbin/munin11:16:320
22925996416,42cyclictest15733-21/usr/sbin/munin11:11:330
22925996414,44cyclictest18152-21wc07:16:380
22925996414,43cyclictest27532-21chrt09:20:110
22925996414,43cyclictest27532-21chrt09:20:110
22925996212,44cyclictest543-21systemd-logind08:57:110
2293099614,51cyclictest0-21swapper/110:55:491
22925996116,39cyclictest29139-21/usr/sbin/munin06:21:290
22925996113,42cyclictest30234-21/usr/sbin/munin08:41:320
22925996017,37cyclictest16728-21/usr/sbin/munin10:31:300
22925996016,38cyclictest2355-21/usr/sbin/munin06:36:310
22925996014,40cyclictest7300-21ssh09:36:190
22925996013,42cyclictest24954-21ksmtuned06:08:280
22925996013,41cyclictest574-21polkitd08:51:110
22925995917,36cyclictest627-21snmpd10:40:170
22925995917,10cyclictest27645-21/usr/sbin/munin10:01:420
22925995915,9cyclictest11721-21/usr/sbin/munin07:01:370
22925995915,38cyclictest11305-21diskstats09:41:230
22925995914,39cyclictest22946-21/usr/sbin/munin07:31:260
22925995914,39cyclictest22946-21/usr/sbin/munin07:31:260
22925995913,40cyclictest9282-21chrt11:03:110
22925995913,40cyclictest31329-21ssh09:25:110
22925995913,40cyclictest2753-21timerwakeupswit10:11:380
22925995911,42cyclictest5205-21cat06:41:400
22925995911,42cyclictest13508-21latency10:26:270
22925995910,43cyclictest2500-21kworker/0:211:22:470
2292599588,44cyclictest0-21swapper/011:27:070
22925995817,36cyclictest24369-21aten_rbpower_cu10:41:190
22925995816,36cyclictest15498-21/usr/sbin/munin09:46:280
22925995815,37cyclictest416-21/usr/sbin/munin06:31:360
22925995815,37cyclictest27886-21memory06:16:340
22925995815,37cyclictest25400-21/usr/sbin/munin06:11:290
22925995815,37cyclictest13592-21/usr/sbin/munin07:06:280
22925995813,39cyclictest32097-21cut09:26:180
22925995813,39cyclictest15479-21tune2fs08:21:260
22925995813,38cyclictest19815-21processes08:26:370
22925995812,40cyclictest27252-21chrt08:36:320
22925995812,40cyclictest11970-21ssh10:24:430
2293099574,47cyclictest0-21swapper/111:15:271
2292599576,45cyclictest0-21swapper/010:56:560
22925995716,35cyclictest23038-21interrupts09:56:250
22925995714,37cyclictest21071-21/usr/sbin/munin07:26:340
22925995714,37cyclictest21071-21/usr/sbin/munin07:26:340
22925995714,37cyclictest19201-21/usr/sbin/munin07:21:300
22925995714,13cyclictest16373-21sensors_temp07:11:400
22925995712,39cyclictest11643-21fschecks_time08:16:250
22925995712,39cyclictest0-21swapper/009:34:560
2293099567,43cyclictest0-21swapper/108:52:301
2293099564,46cyclictest0-21swapper/108:20:551
2293099564,28cyclictest0-21swapper/109:24:241
22925995615,35cyclictest3721-21/usr/sbin/munin08:06:410
22925995614,37cyclictest2400-21ssh10:54:450
22925995614,36cyclictest22192-21ssh09:56:050
22925995614,35cyclictest20838-21df09:11:210
22925995613,38cyclictest29164-21switchtime10:46:350
22925995613,37cyclictest8938-21uptime08:11:420
22925995613,37cyclictest32755-21ssh10:09:160
22925995613,37cyclictest32755-21ssh10:09:160
22925995612,38cyclictest7964-21/usr/sbin/munin06:51:300
22925995612,38cyclictest0-21swapper/009:05:280
2251125611,38sleep30-21swapper/306:04:093
2294499554,46cyclictest0-21swapper/310:42:103
2293099555,6cyclictest0-21swapper/108:57:301
2293099554,45cyclictest0-21swapper/111:31:081
2293099553,46cyclictest0-21swapper/110:15:281
2292599557,42cyclictest6879-21ssh10:16:580
22925995516,33cyclictest9837-21/usr/sbin/munin06:56:330
22925995514,35cyclictest17025-21df09:06:210
22925995512,38cyclictest30102-21df11:31:190
22925995511,39cyclictest14550-21latency_hist11:11:080
22925995510,39cyclictest0-21swapper/008:31:130
22925995510,39cyclictest0-21swapper/008:31:130
2293099544,44cyclictest0-21swapper/109:40:101
2293099543,45cyclictest0-21swapper/111:17:451
22925995413,35cyclictest574-21polkitd06:51:140
2294499537,35cyclictest0-21swapper/310:36:083
2293099534,43cyclictest0-21swapper/109:42:391
2293099534,43cyclictest0-21swapper/109:20:241
2293099534,43cyclictest0-21swapper/109:20:241
2293099534,43cyclictest0-21swapper/109:04:201
2293099533,45cyclictest0-21swapper/110:26:091
2293099525,41cyclictest0-21swapper/110:42:211
2293099524,9cyclictest0-21swapper/110:00:591
2293099524,42cyclictest0-21swapper/108:48:491
2293099524,42cyclictest0-21swapper/107:36:371
2293099523,44cyclictest0-21swapper/108:21:411
2293099523,43cyclictest14996-21ssh10:28:041
2293099523,43cyclictest0-21swapper/109:33:231
2293099523,27cyclictest0-21swapper/110:16:191
2294499518,37cyclictest0-21swapper/306:06:403
2293099514,41cyclictest0-21swapper/110:48:281
22925995111,34cyclictest31005-21/usr/sbin/munin06:26:260
2293099504,40cyclictest0-21swapper/109:48:341
2293099504,40cyclictest0-21swapper/108:12:011
2293099503,41cyclictest0-21swapper/108:29:081
22930995012,6cyclictest1068-21sa111:36:071
22930995011,33cyclictest0-21swapper/109:11:571
2294499492,8cyclictest35-21rcuc/309:36:493
2293099494,39cyclictest0-21swapper/111:10:581
2293099494,39cyclictest0-21swapper/110:02:041
2293099494,38cyclictest0-21swapper/109:52:571
2293099493,41cyclictest0-21swapper/109:07:301
2293099493,41cyclictest0-21swapper/108:35:111
2293099493,41cyclictest0-21swapper/108:35:111
2293099493,41cyclictest0-21swapper/107:57:121
2293099493,40cyclictest0-21swapper/110:35:081
2293099493,17cyclictest0-21swapper/107:51:101
2293099492,41cyclictest3451-21kworker/1:009:28:491
22930994910,6cyclictest0-21swapper/108:09:541
2294499484,38cyclictest0-21swapper/310:17:303
2293099489,33cyclictest0-21swapper/110:36:431
2293099484,38cyclictest0-21swapper/111:05:041
2293099484,38cyclictest0-21swapper/111:00:041
2293099484,38cyclictest0-21swapper/110:07:271
2293099484,38cyclictest0-21swapper/110:07:271
2293099483,5cyclictest0-21swapper/111:22:171
2293099483,40cyclictest0-21swapper/108:45:031
2293099483,40cyclictest0-21swapper/108:39:551
2293099483,39cyclictest0-21swapper/107:41:231
2294499474,6cyclictest0-21swapper/309:03:303
2294499474,38cyclictest0-21swapper/308:46:573
2294499473,38cyclictest0-21swapper/308:52:173
2293099473,8cyclictest0-21swapper/106:21:141
2293099473,39cyclictest0-21swapper/107:01:291
2293099472,39cyclictest3434-21crond08:06:121
2294499467,33cyclictest0-21swapper/311:06:383
2294499464,37cyclictest0-21swapper/311:31:373
2294499464,37cyclictest0-21swapper/310:51:483
2294499464,37cyclictest0-21swapper/310:49:033
2294499464,36cyclictest0-21swapper/310:36:133
2293099463,38cyclictest0-21swapper/106:31:401
2294499454,16cyclictest0-21swapper/311:21:483
2294499454,16cyclictest0-21swapper/311:16:393
2293099453,38cyclictest0-21swapper/107:55:091
2293099453,36cyclictest0-21swapper/107:26:081
2294499447,31cyclictest0-21swapper/310:01:513
2294499445,34cyclictest0-21swapper/309:16:493
2294499445,34cyclictest0-21swapper/309:16:493
2294499445,34cyclictest0-21swapper/308:43:213
2294499445,33cyclictest0-21swapper/309:16:013
2294499444,35cyclictest0-21swapper/308:24:073
2294499443,36cyclictest0-21swapper/309:31:383
2293099444,35cyclictest0-21swapper/106:53:571
2293099444,35cyclictest0-21swapper/106:42:321
2293099443,36cyclictest0-21swapper/106:30:331
2293099443,36cyclictest0-21swapper/106:11:151
226782447,12sleep00-21swapper/006:06:070
248522433,6sleep20-21swapper/208:33:252
248522433,6sleep20-21swapper/208:33:252
2294499437,31cyclictest0-21swapper/311:00:343
2294499434,34cyclictest0-21swapper/310:26:343
2294499433,35cyclictest19847-21cat09:51:403
2293099434,34cyclictest0-21swapper/107:11:311
2293099433,35cyclictest0-21swapper/107:10:061
2293099433,35cyclictest0-21swapper/107:00:061
2293099433,35cyclictest0-21swapper/106:47:081
2293099433,35cyclictest0-21swapper/106:11:231
2293099432,36cyclictest546-21avahi-daemon07:36:121
2293099432,36cyclictest546-21avahi-daemon07:36:121
201792433,6sleep20-21swapper/209:10:442
246032423,6sleep20-21swapper/211:23:262
2293099423,34cyclictest0-21swapper/107:20:311
106152423,6sleep30-21swapper/308:15:233
307702413,6sleep20-21swapper/210:49:172
2293099413,34cyclictest0-21swapper/106:41:141
2293099413,33cyclictest0-21swapper/107:31:131
2293099413,33cyclictest0-21swapper/107:31:131
2293099412,34cyclictest30468-21sshd06:22:271
22925994127,10cyclictest30473-21wget07:51:230
161032413,6sleep20-21swapper/210:30:262
298712403,6sleep30-21swapper/309:22:053
287612403,6sleep20-21swapper/211:29:142
22925994024,12cyclictest26327-21runrttasks07:39:330
22925994016,18cyclictest30143-21ksmtuned07:50:330
202672403,6sleep20-21swapper/208:26:452
18302403,6sleep20-21swapper/209:28:152
16782401,5sleep31686-21sh09:27:563
138612393,6sleep20-21swapper/208:19:162
133652392,4sleep30-21swapper/308:18:123
75902383,6sleep30-21swapper/306:49:273
243592383,7sleep30-21swapper/308:32:213
243592383,7sleep30-21swapper/308:32:213
2294499383,31cyclictest0-21swapper/308:09:203
2293799384,29cyclictest0-21swapper/209:20:592
2293799384,29cyclictest0-21swapper/209:20:592
132172383,6sleep20-21swapper/207:04:272
89302373,6sleep20-21swapper/209:37:092
68662373,6sleep20-21swapper/210:16:572
2294499374,28cyclictest0-21swapper/306:36:393
2293799374,28cyclictest0-21swapper/209:35:342
22937993725,7cyclictest4407-21sshd06:41:272
22925993720,12cyclictest2509-21netstat08:01:330
22925993717,14cyclictest32402-21taskset07:56:230
17772373,6sleep20-21swapper/206:31:562
167462373,6sleep30-21swapper/307:11:533
158122372,6sleep215867-21ntpdc08:21:342
99342363,6sleep20-21swapper/208:13:532
3592363,6sleep30-21swapper/310:09:263
3592363,6sleep30-21swapper/310:09:263
247102363,6sleep30-21swapper/309:58:193
22944993623,8cyclictest1529-21/usr/sbin/munin10:11:303
2293799364,28cyclictest0-21swapper/210:05:382
22937993616,16cyclictest16296-21head09:46:402
22925993624,7cyclictest27303-21wc07:41:320
210412369,18sleep10-21swapper/106:01:251
207142363,6sleep30-21swapper/307:24:363
15402363,6sleep20-21swapper/208:00:532
98342353,6sleep30-21swapper/306:56:243
320052353,6sleep30-21swapper/307:55:313
279892353,6sleep20-21swapper/207:42:062
2293799354,26cyclictest0-21swapper/210:41:112
2293799354,26cyclictest0-21swapper/210:06:122
2293799354,26cyclictest0-21swapper/210:06:122
2293799354,26cyclictest0-21swapper/209:15:092
22937993522,8cyclictest27048-21crond06:16:142
22937993518,12cyclictest19506-21sh10:34:342
2256823511,17sleep20-21swapper/206:04:482
84672342,25sleep28472-21irqstats06:51:322
279582342,4sleep30-21swapper/308:36:563
2294499343,26cyclictest0-21swapper/306:51:313
22944993422,8cyclictest10395-21awk10:21:413
22944993422,7cyclictest120-21kauditd06:16:143
22944993417,13cyclictest31059-21cut06:26:233
2293799344,26cyclictest0-21swapper/210:39:492
2293799344,26cyclictest0-21swapper/206:06:232
2293799343,27cyclictest0-21swapper/209:21:142
22937993423,7cyclictest17937-21grep07:16:332
2293799342,28cyclictest8955-21latency_hist08:56:112
170292343,6sleep30-21swapper/309:48:133
241142332,26sleep224121-21ssh09:57:052
2294499339,7cyclictest93252wget08:56:223
22944993315,13cyclictest19708-21sh08:26:353
22937993321,8cyclictest26447-21/usr/sbin/munin08:36:342
2294499324,24cyclictest0-21swapper/306:24:043
2294499324,23cyclictest0-21swapper/309:06:153
2294499323,25cyclictest0-21swapper/311:05:563
2294499323,25cyclictest0-21swapper/306:45:213
2294499323,24cyclictest0-21swapper/307:46:253
2294499323,24cyclictest0-21swapper/306:18:273
2293799324,24cyclictest0-21swapper/211:35:082
2293799324,23cyclictest0-21swapper/211:11:082
2293799324,23cyclictest0-21swapper/208:41:522
22937993222,6cyclictest3857-21iostat10:56:232
22937993222,6cyclictest23902-21switchtime07:31:402
22937993222,6cyclictest23902-21switchtime07:31:402
22937993221,7cyclictest30422-21/usr/sbin/munin07:51:242
22937993220,7cyclictest2637-21processes08:01:362
22937993220,7cyclictest11605-21if_err_eth209:41:262
205262320,4sleep20-21swapper/209:52:332
2294499314,23cyclictest0-21swapper/311:12:513
2294499314,23cyclictest0-21swapper/309:42:403
2294499314,22cyclictest0-21swapper/311:28:163
22944993121,6cyclictest23602-21sort07:31:333
22944993121,6cyclictest23602-21sort07:31:333
22944993120,7cyclictest13576-21taskset07:06:143
2294499312,25cyclictest18548-21unixbench_singl07:16:443
22944993118,8cyclictest21364-21uniq07:26:263
22944993118,8cyclictest21364-21uniq07:26:263
2293799315,21cyclictest0-21swapper/211:16:362
2293799313,23cyclictest0-21swapper/211:01:092
22937993121,6cyclictest21071-21/usr/sbin/munin07:26:282
22937993121,6cyclictest21071-21/usr/sbin/munin07:26:282
22937993120,7cyclictest4191-21idleruntime08:06:272
22937993120,7cyclictest32226-21fschecks_time10:51:212
2293799312,26cyclictest32532chrt10:12:222
22937993118,8cyclictest548-21NetworkManager07:46:132
22937993118,8cyclictest15515-21cut07:11:252
22944993020,6cyclictest13687-21aten_rbpower_vo07:06:253
22944993018,7cyclictest27487-21proc_pri07:41:373
2293799308,17cyclictest0-21swapper/210:21:362
2293799304,22cyclictest0-21swapper/208:56:502
22937993020,6cyclictest10969-21grep06:56:442
22937993019,6cyclictest3441-21diskmemload09:04:252
22937993017,8cyclictest548-21NetworkManager06:36:152
22937993017,8cyclictest543-21systemd-logind07:41:122
2294499293,23cyclictest0-21swapper/308:02:253
22944992920,5cyclictest25582-21ntp_states07:36:353
22944992917,8cyclictest32372-21cut07:56:233
22937992918,6cyclictest3441-21diskmemload11:12:442
22937992918,6cyclictest3441-21diskmemload08:46:412
22944992815,8cyclictest1422-21wc06:31:413
2293799284,19cyclictest0-21swapper/206:46:192
22937992818,6cyclictest20017-21proc_pri07:21:392
22937992818,6cyclictest13781-21forks07:06:272
22937992817,7cyclictest31732-21ntp_kernel_err06:26:342
22937992817,7cyclictest27271-21/usr/sbin/munin06:16:282
22937992816,7cyclictest30632-21sshd06:24:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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