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2026-09-22 - 11:50
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Tue Sep 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1414721850,4sleep1334699cyclictest01:09:581
184821460,3sleep2335099cyclictest22:47:102
1068911000,4ptp4l401ktimersoftd/321:44:203
102292900,3sleep1334699cyclictest02:12:051
61182840,2sleep20-21swapper/201:02:042
295162670,2sleep10-21swapper/122:37:131
3355996614,20cyclictest30091-21sh03:05:153
3350996149,6cyclictest33-21ksoftirqd/223:26:592
222962600,2sleep022300-21unixbench_multi01:17:190
3339995948,5cyclictest9-21ksoftirqd/022:46:590
31612594,10sleep10-21swapper/121:45:471
141502560,4sleep3335599cyclictest01:42:163
335599550,22cyclictest558-21cat22:47:003
3339995545,5cyclictest9-21ksoftirqd/003:12:050
41672540,2sleep30-21swapper/302:37:363
3339995342,5cyclictest9-21ksoftirqd/022:21:590
3339995341,6cyclictest9-21ksoftirqd/022:16:580
3339995331,6cyclictest9-21ksoftirqd/023:56:490
105791530,1getstats0-21swapper/302:04:453
3339995231,3cyclictest9-21ksoftirqd/001:42:230
105791500,4getstats335599cyclictest02:49:463
3339994840,4cyclictest9-21ksoftirqd/000:07:060
3339994839,4cyclictest9-21ksoftirqd/023:36:520
333999478,7cyclictest9-21ksoftirqd/000:42:060
200182470,2sleep10-21swapper/101:48:041
335599468,22cyclictest249362chrt01:21:403
3339994622,4cyclictest9-21ksoftirqd/023:27:060
335599450,20cyclictest29113-21diskmemload01:34:573
333999456,3cyclictest9-21ksoftirqd/021:46:450
3339994540,3cyclictest9-21ksoftirqd/001:52:040
3339994537,4cyclictest9-21ksoftirqd/001:31:550
333999449,7cyclictest9-21ksoftirqd/022:37:020
3339994434,3cyclictest9-21ksoftirqd/001:12:150
3339994423,7cyclictest9-21ksoftirqd/002:32:130
3339994421,3cyclictest9-21ksoftirqd/022:02:040
3339994419,4cyclictest9-21ksoftirqd/001:07:060
333999434,23cyclictest9-21ksoftirqd/000:36:420
3339994319,4cyclictest9-21ksoftirqd/003:11:370
3339994319,4cyclictest9-21ksoftirqd/003:11:370
333999427,3cyclictest9-21ksoftirqd/002:24:500
3339994228,3cyclictest9-21ksoftirqd/000:19:080
3339994218,4cyclictest9-21ksoftirqd/000:27:450
3339994217,4cyclictest9-21ksoftirqd/002:27:280
3339994217,4cyclictest9-21ksoftirqd/000:57:350
3339994217,3cyclictest9-21ksoftirqd/000:47:200
3339994117,4cyclictest9-21ksoftirqd/001:58:100
3339994116,4cyclictest9-21ksoftirqd/001:50:400
106891410,1ptp4l401ktimersoftd/300:34:503
333999405,3cyclictest9-21ksoftirqd/002:12:130
3339994031,3cyclictest9-21ksoftirqd/022:07:010
3339994027,3cyclictest9-21ksoftirqd/002:52:100
3339994022,5cyclictest9-21ksoftirqd/023:17:090
3339994020,11cyclictest9-21ksoftirqd/001:37:060
3339994018,7cyclictest9-21ksoftirqd/000:25:340
3339994017,4cyclictest9-21ksoftirqd/021:57:000
3339994017,4cyclictest9-21ksoftirqd/021:57:000
3339994017,4cyclictest9-21ksoftirqd/002:45:530
3339994016,4cyclictest9-21ksoftirqd/023:57:460
106891400,1ptp4l401ktimersoftd/302:31:583
335599392,29cyclictest19710-21apt-get23:26:593
335599392,29cyclictest14966-21apt-get02:17:023
335599391,22cyclictest3847-21/usr/sbin/munin00:27:053
3339993930,3cyclictest9-21ksoftirqd/002:37:160
3339993929,3cyclictest9-21ksoftirqd/022:32:040
3339993925,11cyclictest9-21ksoftirqd/000:12:100
3339993916,3cyclictest9-21ksoftirqd/000:40:210
3339993912,10cyclictest9-21ksoftirqd/022:42:180
106891390,1ptp4l401ktimersoftd/302:54:263
106891390,1ptp4l401ktimersoftd/302:29:243
106891390,1ptp4l401ktimersoftd/301:22:233
333999384,3cyclictest121rcu_preempt02:02:060
3339993832,3cyclictest9-21ksoftirqd/001:22:090
3339993831,3cyclictest9-21ksoftirqd/002:47:130
3339993829,3cyclictest9-21ksoftirqd/000:56:210
3339993818,6cyclictest9-21ksoftirqd/023:26:480
106891380,1ptp4l401ktimersoftd/323:49:093
106891380,1ptp4l401ktimersoftd/323:49:093
106891380,1ptp4l401ktimersoftd/302:14:173
106891380,1ptp4l401ktimersoftd/301:48:283
106891380,1ptp4l401ktimersoftd/300:52:053
106891380,1ptp4l401ktimersoftd/300:46:563
106891380,1ptp4l401ktimersoftd/300:45:253
106891380,1ptp4l401ktimersoftd/300:24:573
106891380,1ptp4l401ktimersoftd/300:13:373
106891380,1ptp4l401ktimersoftd/300:08:103
3355993721,13cyclictest41-21ksoftirqd/321:54:443
333999378,7cyclictest9-21ksoftirqd/023:32:110
3339993732,2cyclictest9-21ksoftirqd/022:27:090
3339993731,3cyclictest9-21ksoftirqd/023:46:480
3339993731,3cyclictest9-21ksoftirqd/002:17:020
3339993730,3cyclictest9-21ksoftirqd/002:57:230
3339993728,3cyclictest9-21ksoftirqd/023:07:110
3339993728,3cyclictest9-21ksoftirqd/002:07:050
3339993725,9cyclictest9-21ksoftirqd/001:27:060
3339993725,3cyclictest9-21ksoftirqd/022:12:160
3339993720,5cyclictest9-21ksoftirqd/023:49:210
3339993720,5cyclictest9-21ksoftirqd/023:49:210
3339993719,9cyclictest9-21ksoftirqd/021:56:460
3339993718,10cyclictest9-21ksoftirqd/001:02:190
3339993715,4cyclictest9-21ksoftirqd/023:02:040
106891370,1ptp4l401ktimersoftd/323:59:133
106891370,1ptp4l401ktimersoftd/323:53:183
106891370,1ptp4l401ktimersoftd/303:12:523
106891370,1ptp4l401ktimersoftd/303:01:033
106891370,1ptp4l401ktimersoftd/302:44:243
106891370,1ptp4l401ktimersoftd/302:23:163
106891370,1ptp4l401ktimersoftd/301:57:553
106891370,1ptp4l401ktimersoftd/301:52:383
106891370,1ptp4l401ktimersoftd/301:38:223
106891370,1ptp4l401ktimersoftd/301:13:333
106891370,1ptp4l401ktimersoftd/301:07:233
106891370,1ptp4l401ktimersoftd/300:37:263
106891370,0ptp4l401ktimersoftd/302:07:263
335599362,26cyclictest11601-21apt-get22:01:593
333999366,3cyclictest9-21ksoftirqd/022:52:040
3339993618,9cyclictest9-21ksoftirqd/021:51:460
3339993617,7cyclictest9-21ksoftirqd/000:02:060
106891360,1ptp4l401ktimersoftd/303:11:003
106891360,1ptp4l401ktimersoftd/303:11:003
106891360,1ptp4l401ktimersoftd/301:31:113
106891360,1ptp4l401ktimersoftd/301:01:583
106891360,1ptp4l401ktimersoftd/301:01:273
106891360,0ptp4l401ktimersoftd/323:09:323
106891360,0ptp4l401ktimersoftd/300:04:463
3355993513,18cyclictest32105-21sed22:42:173
3339993512,11cyclictest9-21ksoftirqd/003:01:540
106891350,0ptp4l401ktimersoftd/323:13:133
106891350,0ptp4l401ktimersoftd/322:33:393
335599343,21cyclictest28209-21apt-get22:37:023
335599342,24cyclictest14769-21apt-get23:17:003
335599341,25cyclictest16335-21apt-get22:12:003
3350993421,10cyclictest33-21ksoftirqd/203:12:102
3339993418,4cyclictest9-21ksoftirqd/022:57:070
3339993327,3cyclictest9-21ksoftirqd/023:16:470
335599322,22cyclictest3603-21apt-get21:46:593
335599321,23cyclictest7648-21apt-get23:02:003
3355993211,18cyclictest24203-21date23:36:483
3355993210,18cyclictest18773-21cpuspeed_turbos22:16:593
3350993214,11cyclictest47150irq/102-ens3-Tx02:42:042
335599312,23cyclictest0-21swapper/322:51:593
335599311,27cyclictest31067-21awk00:21:493
335599310,27cyclictest23895-21sed22:27:023
3350993126,3cyclictest33-21ksoftirqd/202:57:072
335599309,17cyclictest21158-21cpuspeed_turbos22:21:593
335599309,17cyclictest10082-21cut21:57:033
335599309,17cyclictest10082-21cut21:57:033
335599308,18cyclictest15468-21timerandwakeup22:07:163
3350993025,3cyclictest33-21ksoftirqd/202:11:522
3350993024,4cyclictest33-21ksoftirqd/202:02:112
3350993022,6cyclictest33-21ksoftirqd/202:52:072
3350993018,7cyclictest33-21ksoftirqd/223:02:002
335599292,21cyclictest5280-21apt-get22:56:593
335599291,24cyclictest17488-21cut23:22:013
3350992924,3cyclictest33-21ksoftirqd/202:12:102
3350992923,3cyclictest33-21ksoftirqd/223:32:072
3350992923,3cyclictest33-21ksoftirqd/221:47:062
45402280,2sleep10-21swapper/103:12:111
335599281,24cyclictest27186-21cpuspeed_turbos23:42:013
335599281,23cyclictest25248-21/usr/sbin/munin23:37:073
3350992823,3cyclictest33-21ksoftirqd/202:27:122
3350992823,3cyclictest33-21ksoftirqd/200:16:492
3350992822,3cyclictest33-21ksoftirqd/202:37:122
3350992822,3cyclictest33-21ksoftirqd/201:42:122
3350992822,3cyclictest33-21ksoftirqd/200:52:042
3350992822,3cyclictest33-21ksoftirqd/200:32:092
3350992817,6cyclictest33-21ksoftirqd/202:17:022
3350992816,10cyclictest33-21ksoftirqd/200:21:502
18322285,10sleep20-21swapper/221:42:052
3350992722,3cyclictest33-21ksoftirqd/202:36:532
3350992722,3cyclictest33-21ksoftirqd/200:57:072
3350992722,3cyclictest33-21ksoftirqd/200:42:092
3350992722,3cyclictest33-21ksoftirqd/200:37:042
3350992721,3cyclictest33-21ksoftirqd/222:41:472
3350992721,3cyclictest33-21ksoftirqd/203:02:132
3350992621,3cyclictest33-21ksoftirqd/223:21:472
3350992621,3cyclictest33-21ksoftirqd/222:52:062
3350992621,3cyclictest33-21ksoftirqd/222:32:042
3350992621,3cyclictest33-21ksoftirqd/222:21:472
3350992621,3cyclictest33-21ksoftirqd/221:51:462
3350992621,3cyclictest33-21ksoftirqd/202:22:102
3350992621,3cyclictest33-21ksoftirqd/201:22:102
3350992621,3cyclictest33-21ksoftirqd/200:27:112
3350992620,3cyclictest33-21ksoftirqd/223:24:422
3350992620,3cyclictest33-21ksoftirqd/202:47:132
3350992615,5cyclictest33-21ksoftirqd/201:47:022
3350992611,12cyclictest32195-21sh23:48:422
3350992611,12cyclictest32195-21sh23:48:422
3346992621,3cyclictest25-21ksoftirqd/123:16:471
3346992621,3cyclictest25-21ksoftirqd/101:17:031
3346992620,3cyclictest25-21ksoftirqd/123:21:471
3346992619,4cyclictest25-21ksoftirqd/123:31:011
3346992619,4cyclictest25-21ksoftirqd/102:56:171
3346992619,4cyclictest25-21ksoftirqd/102:30:521
334699260,6cyclictest121rcu_preempt00:47:041
335099252,14cyclictest27562-21ssh01:57:042
3350992520,3cyclictest33-21ksoftirqd/201:32:102
3350992520,3cyclictest33-21ksoftirqd/201:27:132
3350992520,3cyclictest33-21ksoftirqd/201:17:092
3350992519,4cyclictest23120-21kworker/2:223:42:002
3350992519,3cyclictest33-21ksoftirqd/201:12:122
3350992519,3cyclictest33-21ksoftirqd/200:47:212
3350992518,4cyclictest33-21ksoftirqd/222:45:452
3350992511,11cyclictest33-21ksoftirqd/200:07:102
3346992519,3cyclictest25-21ksoftirqd/123:25:341
3346992519,3cyclictest25-21ksoftirqd/122:30:201
3350992420,3cyclictest33-21ksoftirqd/222:02:052
3350992420,2cyclictest33-21ksoftirqd/223:52:102
3350992419,3cyclictest33-21ksoftirqd/221:57:032
3350992419,3cyclictest33-21ksoftirqd/221:57:032
3350992419,3cyclictest33-21ksoftirqd/200:01:482
3350992418,3cyclictest33-21ksoftirqd/223:37:082
3350992418,3cyclictest33-21ksoftirqd/203:07:142
3350992418,3cyclictest33-21ksoftirqd/203:07:142
3350992417,4cyclictest33-21ksoftirqd/223:07:372
3350992417,4cyclictest33-21ksoftirqd/223:01:472
334699245,5cyclictest26634-21cpuspeed_turbos00:17:021
334699243,3cyclictest121rcu_preempt02:03:041
3346992419,3cyclictest25-21ksoftirqd/100:57:051
3346992418,3cyclictest25-21ksoftirqd/121:57:181
3346992418,3cyclictest25-21ksoftirqd/121:57:181
3346992418,3cyclictest25-21ksoftirqd/101:33:471
3346992417,4cyclictest25-21ksoftirqd/123:37:551
3346992417,4cyclictest25-21ksoftirqd/100:01:161
3346992417,4cyclictest10835-21ssh00:32:341
3350992318,3cyclictest33-21ksoftirqd/222:27:042
3350992318,3cyclictest33-21ksoftirqd/222:16:462
3350992318,3cyclictest33-21ksoftirqd/201:07:072
3350992317,3cyclictest33-21ksoftirqd/222:22:152
3350992316,4cyclictest22761-21tr01:52:052
3346992318,3cyclictest25-21ksoftirqd/102:19:191
3346992318,3cyclictest25-21ksoftirqd/101:58:011
3346992317,4cyclictest16259-21ssh01:45:011
3346992317,3cyclictest25-21ksoftirqd/100:02:041
3346992316,4cyclictest25-21ksoftirqd/123:45:581
3346992316,4cyclictest25-21ksoftirqd/122:06:181
3346992316,4cyclictest25-21ksoftirqd/101:29:061
334699231,19cyclictest30861-21ssh03:06:361
334699231,19cyclictest17375-21ssh01:12:191
334699231,19cyclictest0-21swapper/102:50:031
334699231,10cyclictest83882ssh02:10:061
3350992217,3cyclictest33-21ksoftirqd/223:12:042
3350992217,3cyclictest33-21ksoftirqd/200:02:042
3350992216,3cyclictest33-21ksoftirqd/200:22:082
3346992217,3cyclictest9552-21ssh02:43:331
3346992216,3cyclictest25-21ksoftirqd/121:51:461
3346992216,3cyclictest25-21ksoftirqd/101:22:221
3346992215,4cyclictest25-21ksoftirqd/122:44:561
3346992215,4cyclictest25-21ksoftirqd/122:16:411
334699221,18cyclictest5650-21ssh02:40:111
334699221,18cyclictest18720-21apt-get22:16:591
334699221,18cyclictest15666-21ssh00:37:261
334699221,18cyclictest0-21swapper/100:15:321
3350992115,3cyclictest33-21ksoftirqd/222:07:152
3346992115,3cyclictest9384-21snmp_o5powerctl01:37:131
3346992115,3cyclictest25-21ksoftirqd/123:05:181
3346992115,3cyclictest25-21ksoftirqd/122:34:531
3346992114,4cyclictest29476-21acpi23:47:011
3346992114,4cyclictest29476-21acpi23:47:011
3346992114,4cyclictest25-21ksoftirqd/122:52:591
3346992114,4cyclictest25-21ksoftirqd/122:09:431
3346992114,4cyclictest25-21ksoftirqd/121:52:211
334699211,18cyclictest9104-21ssh01:04:431
334699211,18cyclictest30621-21ssh00:52:521
334699211,18cyclictest0-21swapper/100:27:261
334699211,18cyclictest0-21swapper/100:07:131
3346992111,7cyclictest18772-21cut00:42:031
3350992014,3cyclictest7855-21sh01:37:002
3346992014,3cyclictest25-21ksoftirqd/122:49:261
3346992014,3cyclictest22331-21df_inode23:32:031
3346992014,3cyclictest1865-21sh03:09:071
3346992014,3cyclictest1865-21sh03:09:071
3346992013,4cyclictest29113-21diskmemload02:32:291
3346992013,4cyclictest29113-21diskmemload00:22:021
3346992013,4cyclictest2378-21fschecks_time23:52:041
3346992013,4cyclictest22284-21cat02:57:111
334699201,17cyclictest0-21swapper/102:22:321
334699200,17cyclictest29113-21diskmemload01:53:521
3346991913,3cyclictest6789-21wc22:57:161
3346991912,4cyclictest10219-21expr23:07:021
334699191,15cyclictest21084-21apt-get22:21:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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