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2026-06-02 - 06:32
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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 Tue Jun 02, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11534997610,59cyclictest0-21swapper/100:09:571
1153499754,64cyclictest0-21swapper/121:35:071
1153499744,7cyclictest0-21swapper/121:51:401
1153499744,7cyclictest0-21swapper/121:31:561
11534997411,6cyclictest0-21swapper/123:16:401
1153499735,61cyclictest0-21swapper/121:19:241
1153499734,7cyclictest0-21swapper/121:25:021
1153499734,63cyclictest0-21swapper/123:48:231
1153499734,62cyclictest0-21swapper/122:13:261
1153499725,7cyclictest0-21swapper/123:23:311
1153499725,60cyclictest0-21swapper/123:03:201
1153499724,7cyclictest0-21swapper/122:36:441
1153499724,62cyclictest0-21swapper/123:35:331
1153499724,61cyclictest0-21swapper/122:59:021
1153499724,61cyclictest0-21swapper/100:14:481
11534997210,56cyclictest0-21swapper/122:22:351
1153499715,59cyclictest0-21swapper/123:20:101
1153499714,61cyclictest0-21swapper/122:06:031
1153499714,61cyclictest0-21swapper/121:04:391
1153499714,60cyclictest0-21swapper/121:53:451
1153499706,57cyclictest0-21swapper/122:02:161
1153499704,60cyclictest0-21swapper/122:49:451
1153499704,59cyclictest0-21swapper/123:57:491
1153499704,59cyclictest0-21swapper/121:38:161
1153499704,59cyclictest0-21swapper/100:29:151
1153499704,31cyclictest0-21swapper/100:25:091
1153499703,7cyclictest508-21ssh00:04:111
1153499703,61cyclictest0-21swapper/122:56:361
11534997018,46cyclictest13463-21unixbench_multi23:38:171
1153499695,6cyclictest0-21swapper/123:44:091
1153499695,6cyclictest0-21swapper/123:44:091
1153499694,58cyclictest0-21swapper/100:17:471
1153499694,32cyclictest0-21swapper/122:08:261
1153499693,7cyclictest0-21swapper/120:58:451
1153499693,61cyclictest0-21swapper/122:26:581
1153499693,61cyclictest0-21swapper/119:05:001
1153499693,61cyclictest0-21swapper/119:05:001
1153499684,58cyclictest0-21swapper/123:27:501
1153499684,58cyclictest0-21swapper/120:03:221
1153499684,57cyclictest0-21swapper/122:32:301
1153499683,7cyclictest0-21swapper/121:44:191
1153499683,7cyclictest0-21swapper/121:44:191
1153499683,5cyclictest0-21swapper/120:28:051
1153499683,33cyclictest24932-21ssh23:53:161
1153499682,35cyclictest32377-21/usr/sbin/munin22:38:131
1153499682,34cyclictest16546-21users20:38:201
1153499675,8cyclictest18252-21kernelversion19:18:081
1153499675,7cyclictest0-21swapper/120:47:491
1153499673,7cyclictest31594-21ntpq19:53:141
1153499673,34cyclictest0-21swapper/121:12:521
1153499673,34cyclictest0-21swapper/120:13:381
1153499672,34cyclictest23852-21irqstats19:33:081
1153499672,33cyclictest0-21swapper/120:54:101
1153499672,32cyclictest4378-21ssh22:43:401
1153499663,8cyclictest9679-21/usr/sbin/munin20:23:051
1153499663,7cyclictest0-21swapper/119:11:441
1153499663,7cyclictest0-21swapper/119:11:441
1153499663,56cyclictest22380-21latency23:08:051
1153999653,56cyclictest11729-21memory19:02:542
1153999653,56cyclictest11729-21memory19:02:542
1153499654,12cyclictest0-21swapper/120:12:501
1153499653,36cyclictest0-21swapper/119:38:061
1153499653,34cyclictest0-21swapper/121:07:521
1153499653,34cyclictest0-21swapper/120:49:221
1153499653,34cyclictest0-21swapper/120:49:221
1153499653,32cyclictest0-21swapper/119:48:091
1153499652,33cyclictest16371-21iostat_ios19:13:081
1153499642,7cyclictest7803-21/usr/sbin/munin20:18:091
1153499642,28cyclictest19614-21/usr/sbin/munin19:23:181
1153499642,28cyclictest13425-21/usr/sbin/munin20:33:231
1153499633,28cyclictest629-21snmpd19:28:181
1153499632,7cyclictest1225-21mailstats19:58:151
1152999637,50cyclictest7965-21head22:48:170
1152999636,51cyclictest14128-21kworker/0:123:09:540
1152999625,30cyclictest18951-21ssh22:21:100
1153499614,29cyclictest0-21swapper/119:45:271
11539995924,29cyclictest7996-21cut20:18:012
1152999597,46cyclictest12637-21fschecks_count22:13:010
1152999587,20cyclictest26612-21ssh22:31:170
1115525711,16sleep30-21swapper/319:01:143
1115525711,16sleep30-21swapper/319:01:143
11545995616,33cyclictest16737-21ntpdc23:43:073
11545995616,33cyclictest16737-21ntpdc23:43:073
1152999566,44cyclictest6000-21ssh22:47:060
11545995522,27cyclictest12713-21tune2fs22:13:023
1154599552,47cyclictest22410-21sshd23:50:593
11545995516,33cyclictest8976-21cut22:08:023
11539995524,25cyclictest19354-21grep23:03:172
11539995523,26cyclictest2087-21grep23:23:152
1152999558,9cyclictest370-21systemd-journal23:52:440
11529995516,34cyclictest28497-21ssh21:50:540
11529995513,7cyclictest5412-21ntp_states23:28:090
11545995422,27cyclictest31888-21grep00:03:073
11539995421,28cyclictest5264-21unixbench_multi20:08:202
11539995417,30cyclictest643-21runrttasks19:15:112
11539995416,31cyclictest2916-21tune2fs00:08:002
1152999548,5cyclictest6984-21kworker/0:222:05:060
1152999547,41cyclictest29323-21ssh22:34:000
1152999547,41cyclictest22622-21ssh22:25:540
11529995414,7cyclictest0-21swapper/021:07:140
11529995414,35cyclictest0-21swapper/021:39:460
11529995413,35cyclictest16889-21/usr/sbin/munin23:43:100
11529995413,35cyclictest16889-21/usr/sbin/munin23:43:100
1153999533,44cyclictest29973-21ssh00:00:542
11539995321,26cyclictest24310-21grep19:33:172
11539995320,28cyclictest13203-21latency_hist20:32:492
11539995315,31cyclictest28994-21cut19:48:012
1152999537,40cyclictest0-21swapper/000:14:280
1152999537,13cyclictest22924-21/usr/sbin/munin21:43:090
1152999537,13cyclictest22924-21/usr/sbin/munin21:43:090
1152999535,42cyclictest32684-21ssh21:13:040
1152999535,42cyclictest0-21swapper/023:12:550
1152999534,44cyclictest0-21swapper/022:08:020
11529995316,31cyclictest31109-21ssh00:02:520
11529995313,34cyclictest0-21swapper/023:25:000
11529995312,36cyclictest0-21swapper/022:01:540
11529995312,35cyclictest0-21swapper/021:55:560
11529995311,36cyclictest0-21swapper/022:54:510
110522539,14sleep20-21swapper/219:00:002
110522539,14sleep20-21swapper/219:00:002
11545995221,26cyclictest30856-21grep19:53:013
11545995218,29cyclictest30607-21timerwakeupswit23:18:153
11545995217,7cyclictest643-21runrttasks20:29:523
11545995217,29cyclictest551-21ntpd23:33:073
11545995216,30cyclictest27850-21awk23:58:003
1153999523,12cyclictest0-21swapper/223:29:222
1153999522,44cyclictest16703-21tail23:43:062
1153999522,44cyclictest16703-21tail23:43:062
11539995219,26cyclictest26850-21unixbench_multi23:13:142
11539995218,29cyclictest14555-21tune2fs22:58:012
11539995217,29cyclictest643-21runrttasks21:13:162
11539995217,29cyclictest10377-21/usr/sbin/munin22:53:152
11539995216,31cyclictest3159-21sh21:59:472
1152999529,37cyclictest0-21swapper/023:37:160
1152999527,40cyclictest31251-21ssh23:19:150
1152999527,39cyclictest11525-21ssh00:18:200
1152999525,41cyclictest14463-21ssh23:40:130
1152999524,42cyclictest0-21swapper/000:02:130
11529995213,7cyclictest0-21swapper/000:31:560
11529995213,33cyclictest0-21swapper/023:05:490
11529995213,33cyclictest0-21swapper/022:57:480
11529995213,33cyclictest0-21swapper/000:24:030
11529995212,34cyclictest0-21swapper/021:08:430
11529995211,10cyclictest0-21swapper/023:53:370
1154599518,7cyclictest0-21swapper/300:23:063
11545995122,24cyclictest22622-21grep19:28:213
11545995121,24cyclictest4482-21processes21:18:143
11545995120,26cyclictest8575-21sshd00:15:073
11545995118,28cyclictest643-21runrttasks19:22:303
11545995117,28cyclictest29724-21open_files19:48:143
11545995113,31cyclictest0-21swapper/323:03:173
11539995118,28cyclictest643-21runrttasks22:50:032
11539995117,28cyclictest26286-21sh23:56:072
11539995117,27cyclictest24438-21diskmemload22:06:192
11539995115,30cyclictest31962-21grep19:53:202
11539995115,30cyclictest20009-21/usr/sbin/munin22:23:122
11539995115,29cyclictest551-21ntpd20:38:142
11539995111,12cyclictest0-21swapper/222:18:082
1152999519,37cyclictest0-21swapper/021:35:320
1152999514,41cyclictest0-21swapper/000:07:510
11529995112,33cyclictest0-21swapper/021:27:500
11529995110,10cyclictest0-21swapper/021:18:420
1154599504,23cyclictest0-21swapper/322:38:503
11545995018,26cyclictest10840-21basename22:53:013
11545995017,6cyclictest643-21runrttasks20:07:573
11545995017,28cyclictest25306-21munin-plugin-st23:12:453
11545995017,27cyclictest8489-21ls22:07:473
11545995017,26cyclictest13070-21wc23:38:113
11545995015,7cyclictest537-21ntp_kernel_err21:13:103
11545995015,29cyclictest11719-21sed19:02:543
11545995015,29cyclictest11719-21sed19:02:543
1153999503,11cyclictest22260-21sort23:08:032
11539995018,25cyclictest85702sleep200:15:072
11539995017,5cyclictest20041-21idleruntime19:23:062
11539995017,28cyclictest8853-21if_eth223:33:002
11539995014,5cyclictest2848-21aten_rbpower_en22:42:572
1152999504,40cyclictest0-21swapper/022:39:140
11529995013,31cyclictest0-21swapper/021:25:180
1154599498,7cyclictest0-21swapper/322:36:103
1154599494,39cyclictest0-21swapper/321:03:583
1154599493,39cyclictest0-21swapper/321:08:083
11545994922,23cyclictest19228-21fschecks_count20:48:063
11545994922,23cyclictest19228-21fschecks_count20:48:063
11545994915,6cyclictest5117-21iostat23:28:033
1153999495,8cyclictest2607-21/usr/sbin/munin20:03:052
1153999495,10cyclictest0-21swapper/222:42:462
11539994917,27cyclictest20353-21latency23:48:052
11539994916,28cyclictest643-21runrttasks20:58:512
11539994915,5cyclictest22391-21sh21:43:022
11539994915,5cyclictest22391-21sh21:43:022
11539994915,5cyclictest15071-21latency_hist20:37:492
11539994915,27cyclictest12305-21unixbench_singl21:28:182
11539994913,7cyclictest19257-21sshd19:21:152
1154599485,9cyclictest0-21swapper/300:12:163
1154599483,40cyclictest0-21swapper/323:16:173
1154599483,14cyclictest18451-21aten_rbpower_cu21:37:593
1154599482,39cyclictest1068-21/usr/sbin/munin21:58:133
1154599482,16cyclictest643-21runrttasks19:10:513
1154599482,16cyclictest643-21runrttasks19:10:513
11545994817,5cyclictest643-21runrttasks20:15:543
11545994817,5cyclictest1052-21sh23:23:003
11545994817,25cyclictest15911-21ls20:38:103
11545994815,7cyclictest543-21systemd-logind20:07:493
11545994815,6cyclictest643-21runrttasks20:20:493
11545994814,5cyclictest238452sleep320:58:193
11545994814,5cyclictest0-21swapper/321:43:033
11545994814,5cyclictest0-21swapper/321:43:033
11545994814,5cyclictest0-21swapper/321:28:093
11545994813,5cyclictest0-21swapper/319:58:073
11545994812,6cyclictest2831-21aten_rbpower_cu22:42:573
1153999484,12cyclictest0-21swapper/219:28:022
11539994811,5cyclictest0-21swapper/222:30:272
11539994811,5cyclictest0-21swapper/200:23:152
1154599473,18cyclictest0-21swapper/321:49:253
1154599473,14cyclictest0-21swapper/300:20:003
11545994718,24cyclictest23354-21/usr/sbin/munin19:33:023
11545994717,25cyclictest24063-21fschecks_count22:28:013
11545994716,6cyclictest643-21runrttasks22:48:273
11545994715,5cyclictest15707-21sh22:58:313
11545994713,8cyclictest18754-21sshd20:47:123
11545994712,5cyclictest0-21swapper/321:36:293
11545994710,5cyclictest0-21swapper/322:20:333
1153999476,8cyclictest14994-21/usr/sbin/munin19:08:172
1153999476,8cyclictest14994-21/usr/sbin/munin19:08:172
1153999475,8cyclictest21183-21/usr/sbin/munin20:53:022
1153999473,38cyclictest0-21swapper/221:49:012
1153999472,12cyclictest18324-21missed_timers00:28:032
11539994717,24cyclictest7515-21fschecks_count21:23:012
11539994717,24cyclictest735-21hwlatdetect19:58:042
11539994717,24cyclictest30496-21timerandwakeup23:18:142
11539994716,5cyclictest27906-21sh21:07:112
11539994716,27cyclictest6977-21latency_hist21:22:482
11539994715,7cyclictest11371-21sshd22:11:102
11539994715,5cyclictest29835-21sh22:35:052
11539994715,26cyclictest20656-21sshd21:40:112
11539994712,8cyclictest370-21systemd-journal21:53:472
11539994712,5cyclictest12534-21sh00:20:302
11539994710,5cyclictest0-21swapper/222:16:252
11529994737,6cyclictest543-21systemd-logind19:02:510
11529994737,6cyclictest543-21systemd-logind19:02:510
1154599465,10cyclictest0-21swapper/320:23:153
1154599463,15cyclictest0-21swapper/321:53:453
11545994616,6cyclictest24438-21diskmemload22:26:313
11545994615,6cyclictest23972-21hwlatdetect23:53:003
11545994615,6cyclictest14682-21vmstat20:33:213
11545994613,7cyclictest643-21runrttasks19:44:033
11545994612,5cyclictest8995-21sh21:24:033
11545994610,9cyclictest0-21swapper/319:23:043
1153999465,8cyclictest10354-21/usr/sbin/munin20:23:102
11539994616,5cyclictest30325-21sh21:09:202
11539994615,7cyclictest27691-21load19:43:102
11539994615,6cyclictest2244-21basename00:07:442
11539994614,6cyclictest16082-21vmstat21:33:192
11539994613,5cyclictest0-21swapper/220:43:022
11545994512,7cyclictest16405-21latency19:13:093
11545994510,5cyclictest0-21swapper/300:29:313
1153999455,10cyclictest0-21swapper/219:38:012
1153999454,12cyclictest0-21swapper/223:38:342
11539994513,5cyclictest643-21runrttasks20:47:512
11539994513,5cyclictest643-21runrttasks20:47:512
11545994415,6cyclictest20964-21aten_rbpower_po20:52:593
11545994313,5cyclictest26030-21proc_pri19:38:163
1153999433,5cyclictest0-21swapper/220:17:502
1152999429,26cyclictest23996-21head20:58:200
1152999398,25cyclictest31214-21grep19:53:050
11529993813,19cyclictest24494-21sed19:33:200
1152999378,23cyclictest0-21swapper/019:28:010
1115723713,17sleep00-21swapper/019:01:150
1115723713,17sleep00-21swapper/019:01:150
11529993519,11cyclictest28467-21awk19:44:350
103192358,19sleep10-21swapper/118:58:101
103192358,19sleep10-21swapper/118:58:101
1152999343,25cyclictest0-21swapper/019:23:030
11529993423,6cyclictest14107-21tr20:33:110
11529993418,11cyclictest26512-21awk19:38:350
11529993416,13cyclictest19006-21vmstat19:18:210
11529993412,16cyclictest4227-21/usr/sbin/munin20:08:020
11529993411,17cyclictest10394-21runrttasks20:23:110
11529993322,7cyclictest8616-21ps20:18:120
11529993316,12cyclictest643-21runrttasks19:52:410
11529993311,16cyclictest3754-21runrttasks20:06:420
11529993310,17cyclictest22351-21runrttasks20:55:190
11529993216,12cyclictest0-21swapper/020:48:110
11529993216,12cyclictest0-21swapper/020:48:110
11529993213,13cyclictest14887-21/usr/sbin/munin19:08:150
11529993213,13cyclictest14887-21/usr/sbin/munin19:08:150
11529993212,14cyclictest16666-21/usr/sbin/munin19:13:140
11529993211,16cyclictest12052-21/usr/sbin/munin20:28:070
1152999314,21cyclictest7753-21cat20:17:500
11529993015,10cyclictest0-21swapper/019:57:560
11529993013,12cyclictest18270-21timerwakeupswit20:43:170
11529993011,13cyclictest15892-21load20:38:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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