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2025-12-24 - 13:54
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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 Dec 24, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2652899633,54cyclictest0-21swapper/221:18:542
26528995647,5cyclictest29-21ksoftirqd/220:13:542
2652899564,47cyclictest0-21swapper/222:22:442
26535995522,27cyclictest23394-21grep21:44:233
26535995522,27cyclictest23394-21grep21:44:233
2652899554,45cyclictest0-21swapper/220:04:142
2653599544,43cyclictest0-21swapper/320:09:083
2652899544,41cyclictest0-21swapper/223:44:142
2652899534,43cyclictest0-21swapper/219:56:112
2652899534,43cyclictest0-21swapper/219:56:112
2652899534,43cyclictest0-21swapper/219:44:132
26535995215,7cyclictest638-21runrttasks21:14:403
26528995213,5cyclictest27619-21idleruntime-cro21:58:522
26535995119,26cyclictest8870-21sendmail_mailst23:59:173
26535995116,8cyclictest548-21NetworkManager19:13:563
2652899515,39cyclictest0-21swapper/222:09:122
2652899515,39cyclictest0-21swapper/221:44:062
2652899515,39cyclictest0-21swapper/221:44:062
2652899513,42cyclictest0-21swapper/219:04:062
26535995023,21cyclictest4069-21sed22:19:223
26535995018,5cyclictest13543-21ls21:19:143
26535995016,6cyclictest10575-21sendmail_mailst19:44:223
26535995015,6cyclictest17890-21cat00:24:073
26535995014,7cyclictest24549-21cut20:23:543
26535995012,5cyclictest0-21swapper/323:54:123
2652899503,41cyclictest0-21swapper/200:04:152
2653599494,17cyclictest0-21swapper/320:54:233
2653599493,39cyclictest0-21swapper/319:59:123
2653599493,18cyclictest0-21swapper/300:32:053
2653599493,18cyclictest0-21swapper/300:32:053
26535994922,21cyclictest21458-21cut20:14:153
26535994918,25cyclictest18834-21sh20:08:543
26535994914,7cyclictest548-21NetworkManager21:48:533
26535994914,6cyclictest18553-21ls22:59:113
2652899499,13cyclictest578-21gdbus22:53:512
2652899495,38cyclictest0-21swapper/223:09:092
2652899494,39cyclictest0-21swapper/223:49:082
2652899494,39cyclictest0-21swapper/223:39:162
2652899494,38cyclictest0-21swapper/220:29:102
26528994939,5cyclictest29-21ksoftirqd/220:03:542
2652899493,40cyclictest0-21swapper/222:24:072
26521994917,26cyclictest20538-21uniq21:39:061
2653599484,18cyclictest0-21swapper/319:49:083
2653599483,15cyclictest0-21swapper/323:44:233
26535994819,23cyclictest3863-21latency_hist19:28:563
26535994817,5cyclictest638-21runrttasks21:43:063
26535994815,7cyclictest912-21grep20:44:243
26535994815,6cyclictest50452chrt23:49:163
26535994814,6cyclictest14117-21tr19:54:183
26535994814,6cyclictest14117-21tr19:54:183
2652899485,36cyclictest0-21swapper/221:03:542
2652899484,39cyclictest0-21swapper/220:27:102
2652899484,38cyclictest0-21swapper/220:44:102
2652899484,38cyclictest0-21swapper/220:39:092
2652899484,37cyclictest0-21swapper/221:11:132
2652899484,37cyclictest0-21swapper/200:09:142
2652899484,12cyclictest0-21swapper/200:14:132
2652899483,39cyclictest0-21swapper/221:29:142
2652899483,38cyclictest0-21swapper/223:29:132
2652899483,38cyclictest0-21swapper/223:29:132
2652899483,38cyclictest0-21swapper/200:24:052
2653599474,19cyclictest0-21swapper/323:14:013
2653599474,18cyclictest0-21swapper/320:29:003
2653599474,16cyclictest0-21swapper/322:45:253
2653599474,16cyclictest0-21swapper/320:24:443
2653599474,15cyclictest0-21swapper/320:59:053
2653599474,15cyclictest0-21swapper/319:34:193
2653599474,15cyclictest0-21swapper/319:22:203
2653599473,18cyclictest0-21swapper/323:04:083
2653599473,17cyclictest0-21swapper/321:13:543
26535994721,22cyclictest32510-21latency_hist19:18:563
2653599472,15cyclictest146652ls00:14:183
26535994717,7cyclictest6671-21/usr/sbin/munin22:29:143
26535994717,6cyclictest638-21runrttasks23:12:493
26535994717,6cyclictest27302-21entropy19:04:103
26535994716,6cyclictest6029-21unixbench_singl22:24:233
26535994710,7cyclictest31129-21cpu23:34:023
2652899474,37cyclictest0-21swapper/223:24:022
2652899474,37cyclictest0-21swapper/223:24:022
2652899474,37cyclictest0-21swapper/223:19:042
2652899474,37cyclictest0-21swapper/221:59:082
2652899474,37cyclictest0-21swapper/221:51:502
2652899474,37cyclictest0-21swapper/221:39:092
2652899474,37cyclictest0-21swapper/220:54:232
2652899474,37cyclictest0-21swapper/219:49:092
2652899474,37cyclictest0-21swapper/219:39:292
2652899474,37cyclictest0-21swapper/219:24:262
2652899474,36cyclictest0-21swapper/221:08:542
2652899474,19cyclictest0-21swapper/219:11:342
2652899474,13cyclictest0-21swapper/200:01:222
2652899474,11cyclictest0-21swapper/222:34:142
2652899474,10cyclictest0-21swapper/221:23:532
2652899473,38cyclictest0-21swapper/221:24:152
2652899473,37cyclictest0-21swapper/220:19:092
2653599466,13cyclictest0-21swapper/319:29:053
2653599464,18cyclictest0-21swapper/322:54:253
2653599464,15cyclictest0-21swapper/322:03:003
2653599464,15cyclictest0-21swapper/321:33:403
2653599464,15cyclictest0-21swapper/300:09:043
2653599464,14cyclictest0-21swapper/319:40:503
2653599464,14cyclictest0-21swapper/300:05:273
2653599463,18cyclictest0-21swapper/323:24:133
2653599463,18cyclictest0-21swapper/323:24:133
2653599463,14cyclictest0-21swapper/322:09:153
26535994615,6cyclictest638-21runrttasks23:22:023
26535994614,7cyclictest19540-21grep21:34:213
26535994612,6cyclictest8253-21/usr/sbin/munin21:04:233
2652899469,5cyclictest0-21swapper/222:44:122
2652899467,33cyclictest16652chrt22:14:112
2652899464,9cyclictest0-21swapper/223:04:232
2652899464,9cyclictest0-21swapper/220:14:202
2652899464,8cyclictest0-21swapper/221:34:102
2652899464,36cyclictest0-21swapper/219:14:152
2652899464,35cyclictest0-21swapper/222:54:252
2652899463,37cyclictest0-21swapper/223:54:202
2652899463,37cyclictest0-21swapper/222:59:052
2652899463,37cyclictest0-21swapper/220:49:032
2652899463,37cyclictest0-21swapper/219:29:192
2652899463,37cyclictest0-21swapper/219:19:252
2652899463,37cyclictest0-21swapper/200:29:042
2652899463,37cyclictest0-21swapper/200:29:042
2652899463,36cyclictest0-21swapper/223:34:152
2652899463,11cyclictest0-21swapper/220:34:252
2652899463,10cyclictest0-21swapper/222:29:082
2653599458,9cyclictest0-21swapper/323:39:163
2653599454,16cyclictest0-21swapper/322:39:103
2653599454,16cyclictest0-21swapper/321:56:523
2653599454,14cyclictest0-21swapper/320:49:133
26535994515,5cyclictest638-21runrttasks21:25:053
26535994514,8cyclictest543-21systemd-logind23:33:493
26535994514,8cyclictest543-21systemd-logind23:33:493
26535994514,6cyclictest14149-21/usr/sbin/munin22:49:023
26535994513,6cyclictest318882chrt20:43:303
26535994512,5cyclictest0-21swapper/322:05:153
26535994512,5cyclictest0-21swapper/300:19:113
2652899457,33cyclictest11142-21ntpdc22:39:142
2652899454,10cyclictest0-21swapper/200:19:132
2652899453,9cyclictest0-21swapper/223:14:062
2652899453,37cyclictest0-21swapper/219:36:332
2653599444,15cyclictest0-21swapper/322:34:223
2653599443,15cyclictest0-21swapper/322:15:593
2652899443,36cyclictest0-21swapper/222:04:132
26521994410,19cyclictest90972yum19:39:331
26535994214,8cyclictest28799-21cut20:34:123
262752428,12sleep10-21swapper/119:03:541
62722413,7sleep00-21swapper/023:54:050
26521994124,11cyclictest3035-21needreboot23:44:101
26521994123,13cyclictest14506-21runrttasks22:49:061
26521994117,18cyclictest508-17auditd23:29:071
26521994117,18cyclictest508-17auditd23:29:071
26521994115,19cyclictest23577-21cut23:14:011
26521994114,22cyclictest31359-21sshd19:14:131
23862410,7sleep10-21swapper/119:24:091
128362414,7sleep00-21swapper/019:49:320
7782403,7sleep00-21swapper/022:13:090
75792403,8sleep00-21swapper/019:38:450
53562402,6sleep05481-21users23:49:220
26521994020,16cyclictest21635-21ksmtuned23:09:001
26521994018,16cyclictest0-21swapper/121:49:201
192302403,8sleep00-21swapper/023:00:010
86192393,7sleep00-21swapper/021:05:290
26521993920,15cyclictest26533-21aten_rbpower_en19:03:571
26521993920,14cyclictest12934-21sed00:09:191
26521993916,17cyclictest18903-21timerandwakeup22:59:201
26521993916,17cyclictest15522-21aten_rbpower_po00:19:011
26521993916,17cyclictest0-21swapper/119:19:261
26521993916,16cyclictest18181-21threads20:04:261
26521993915,19cyclictest0-21swapper/121:59:061
26521993914,20cyclictest30288-21latency22:04:131
13342393,8sleep00-21swapper/020:48:030
133222393,7sleep00-21swapper/000:13:170
101402393,8sleep00-21swapper/022:38:160
26521993821,12cyclictest23478-21needreboot20:19:161
26521993820,13cyclictest21683-21grep20:14:191
26521993819,15cyclictest5218-21unixbench-2d19:29:251
26521993818,14cyclictest11171-21/usr/sbin/munin21:14:061
26521993817,15cyclictest28145-21sendmail_mailst23:24:161
26521993817,15cyclictest28145-21sendmail_mailst23:24:161
26521993816,17cyclictest14423-21threads19:54:251
26521993816,17cyclictest14423-21threads19:54:251
26521993816,17cyclictest0-21swapper/122:17:521
26521993816,16cyclictest20212-21sed20:09:271
26521993816,16cyclictest1374-21sendmail_mailtr23:39:181
26521993815,18cyclictest19790-21aten_rbpower_cu23:04:031
26521993815,17cyclictest7990-21cut23:59:021
26521993815,17cyclictest6703-21load23:54:101
26521993815,17cyclictest32683-21latency20:44:131
26521993815,17cyclictest31230-21switchtime20:39:211
26521993815,17cyclictest29160-21ntp_offset20:34:191
26521993815,17cyclictest0-21swapper/100:04:041
26521993815,16cyclictest16930-21sensors_temp22:54:201
26521993814,19cyclictest13921-21seq22:48:491
26521993814,18cyclictest5149-21fschecks_time22:24:071
219722383,7sleep00-21swapper/021:43:440
51462373,7sleep00-21swapper/020:58:450
26521993720,13cyclictest7027-21fschecks_time22:29:071
26521993719,13cyclictest24835-21/usr/sbin/munin20:24:081
26521993719,13cyclictest18639-21/usr/sbin/munin21:34:051
26521993719,13cyclictest16070-21grep19:59:171
26521993717,15cyclictest6591-21unixbench_singl20:59:241
26521993717,14cyclictest27813-21/usr/sbin/munin20:29:281
26521993716,16cyclictest0-21swapper/121:46:441
26521993716,16cyclictest0-21swapper/121:46:441
26521993716,15cyclictest19184-21seq00:28:531
26521993716,15cyclictest19184-21seq00:28:531
26521993715,16cyclictest3346-21hwlatdetect22:19:081
26521993714,17cyclictest7261-21chrt21:04:041
26521993714,17cyclictest26707-21ntp_offset21:54:141
26521993714,17cyclictest15988-21uptime21:24:251
26521993713,19cyclictest10120-21threads21:09:201
2597723713,18sleep20-21swapper/219:00:212
25682373,8sleep00-21swapper/022:17:120
2462923712,18sleep30-21swapper/318:59:053
229812373,8sleep00-21swapper/023:10:110
170332373,7sleep00-21swapper/000:23:020
26521993619,12cyclictest17404-21wget00:24:001
26521993619,12cyclictest13687-21processes21:19:181
26521993619,11cyclictest29323-21fschecks_time19:09:121
26521993618,12cyclictest4226-21/usr/sbin/munin23:49:151
26521993617,14cyclictest32635-21crond23:38:491
26521993617,14cyclictest11614-21aten_rbpower_po19:49:061
26521993617,14cyclictest10904-21runrttasks22:39:091
26521993617,13cyclictest16709-21cut21:29:041
26521993615,16cyclictest9467-21switchtime22:34:181
26521993615,16cyclictest14684-21timerwakeupswit00:14:181
26521993614,17cyclictest32145-21latency22:09:121
26521993614,16cyclictest0-21swapper/123:19:011
2620623613,18sleep00-21swapper/019:03:040
144222363,8sleep00-21swapper/021:22:510
123502363,7sleep00-21swapper/021:15:230
26521993519,11cyclictest4185-21needreboot20:54:191
26521993518,11cyclictest2234-21/usr/sbin/munin20:49:111
26521993515,14cyclictest6118-21/usr/sbin/munin19:34:071
26521993514,16cyclictest10053-21/usr/sbin/munin19:44:121
2651799353,26cyclictest0-21swapper/021:45:070
2651799353,26cyclictest0-21swapper/021:45:070
26517993523,7cyclictest31953-21wc23:34:180
26517993523,7cyclictest15634-21grep19:59:090
31092343,7sleep00-21swapper/020:51:570
2651799344,25cyclictest0-21swapper/023:16:280
2651799344,25cyclictest0-21swapper/000:28:470
2651799344,24cyclictest0-21swapper/021:24:060
2651799343,26cyclictest0-21swapper/023:22:510
26517993422,7cyclictest27414-21grep19:04:110
26517993421,8cyclictest5528-21ntpq22:24:140
68932333,7sleep00-21swapper/021:02:150
2651799334,24cyclictest0-21swapper/021:37:530
26517993321,8cyclictest28776-21cat21:59:220
26517993321,7cyclictest15095-21taskset22:49:180
2651799324,22cyclictest0-21swapper/021:09:080
2651799323,23cyclictest16410-21grep22:54:090
26517993221,7cyclictest25154-21sort21:49:220
26517993221,7cyclictest23308-21grep20:19:130
26517993221,6cyclictest10356-21iostat_ios00:04:070
2651799314,22cyclictest0-21swapper/020:29:160
2651799314,22cyclictest0-21swapper/000:28:520
2651799314,22cyclictest0-21swapper/000:28:520
2651799314,21cyclictest0-21swapper/023:04:050
2651799314,21cyclictest0-21swapper/022:07:090
26517993120,7cyclictest16639-21cut21:29:040
26517993119,7cyclictest4499-21idleruntime19:29:110
26517993118,8cyclictest14318-21ntpq00:14:110
26517993116,10cyclictest29141-21awk20:34:180
2651799305,20cyclictest0-21swapper/019:16:400
2651799304,21cyclictest0-21swapper/023:29:200
2651799304,21cyclictest0-21swapper/023:29:200
2651799304,21cyclictest0-21swapper/023:26:040
2651799304,21cyclictest0-21swapper/023:26:040
2651799304,21cyclictest0-21swapper/022:44:090
2651799304,21cyclictest0-21swapper/019:19:010
2651799304,20cyclictest0-21swapper/019:56:530
2651799304,20cyclictest0-21swapper/019:56:530
2651799304,20cyclictest0-21swapper/019:09:270
2651799303,22cyclictest9069-21grep19:39:310
26517993018,7cyclictest3532-21load22:19:110
26517993018,7cyclictest30922-21cat20:39:140
26517993018,7cyclictest21118-21fschecks_count20:14:100
2651799294,20cyclictest0-21swapper/023:59:050
2651799294,19cyclictest0-21swapper/020:25:360
2651799294,18cyclictest0-21swapper/023:43:500
26517992918,7cyclictest7604-21ls22:29:190
26517992918,7cyclictest11666-21uptime22:39:230
26517992918,6cyclictest27793-21grep21:58:520
26517992918,6cyclictest10594-21sensors_fan19:44:230
26517992916,8cyclictest2269-21aten_rbpower_po19:24:070
2651799284,18cyclictest0-21swapper/020:04:130
26517992817,7cyclictest2729-21cut23:44:040
26517992816,7cyclictest19780-21seq20:09:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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