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2026-09-07 - 05:07
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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 Mon Sep 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
827921690,5sleep32069999cyclictest22:18:423
2342421530,3sleep12068699cyclictest02:32:341
1068911210,8ptp4l6431-21kworker/3:021:34:173
106891730,1ptp4l401ktimersoftd/300:05:113
320012620,2sleep20-21swapper/202:08:342
220612610,3sleep10-21swapper/101:58:341
190192604,43sleep20-21swapper/221:33:472
9022590,2sleep10-21swapper/123:58:131
2067999599,18cyclictest28230-21cpuspeed_turbos00:58:470
2067999599,16cyclictest30166-21/usr/sbin/munin01:33:480
20679995910,17cyclictest26442-21proc_pri01:28:570
204252594,10sleep10-21swapper/121:36:291
106891590,1ptp4l401ktimersoftd/301:37:563
20679995812,11cyclictest15314-21chrt00:12:370
20679995811,16cyclictest1055-21runrttasks01:10:020
20679995810,16cyclictest9771-21ssh02:18:490
20679995711,10cyclictest13605-21diskmemload00:03:180
2067999569,15cyclictest414-21ssh00:29:030
2067999569,12cyclictest5000-21if_ens323:18:490
20679995610,17cyclictest20580-21/usr/sbin/munin02:28:560
106891560,1ptp4l401ktimersoftd/323:30:503
302792550,1sleep10-21swapper/101:33:481
2067999559,12cyclictest25309-21sed02:33:560
2067999558,16cyclictest13605-21diskmemload02:06:160
2067999558,16cyclictest13605-21diskmemload01:56:060
2068699540,4cyclictest7831-21ssh00:38:151
2067999549,17cyclictest6436-21apt-get00:03:440
2067999549,15cyclictest13605-21diskmemload01:15:010
2067999549,14cyclictest13605-21diskmemload00:54:180
2067999548,15cyclictest13605-21diskmemload23:55:050
2067999548,15cyclictest13605-21diskmemload00:37:490
2067999548,13cyclictest1115-21/usr/sbin/munin01:03:500
20679995412,12cyclictest25662-21awk21:43:580
20679995410,11cyclictest23498-21/usr/sbin/munin01:58:550
2068699530,5cyclictest23421-21ssh23:48:061
2067999539,15cyclictest13605-21diskmemload01:20:280
2067999539,11cyclictest21488-21diskstats00:18:500
2067999538,15cyclictest14758-21snmpd03:05:390
2067999538,15cyclictest13605-21diskmemload00:15:510
2067999538,14cyclictest13605-21diskmemload02:12:390
2067999537,16cyclictest13605-21diskmemload02:58:310
2067999529,8cyclictest17840-21munin-run00:48:320
2067999529,8cyclictest17840-21munin-run00:48:320
2067999529,17cyclictest18738-21open_files22:38:510
2067999528,15cyclictest13605-21diskmemload23:52:550
2067999528,15cyclictest13605-21diskmemload02:15:230
2067999528,15cyclictest13605-21diskmemload00:49:230
2067999527,16cyclictest17081-21ssh01:53:280
20679995210,9cyclictest10135-21unixbench-2d00:39:040
20679995210,11cyclictest8661-21/usr/sbin/munin01:43:560
2068699517,24cyclictest1055-21runrttasks21:42:181
2067999519,10cyclictest2212-21df02:43:490
2067999518,15cyclictest9502-21snmp_o5powerctl22:18:540
2067999518,12cyclictest6056-21/usr/sbin/munin22:13:430
2067999517,14cyclictest13605-21diskmemload23:46:350
20679995110,16cyclictest8456-21/usr/sbin/munin02:49:040
2068699502,4cyclictest16708-21sh00:46:401
2068699502,4cyclictest16708-21sh00:46:401
20686995015,15cyclictest12840-21/usr/sbin/munin22:28:471
2067999508,14cyclictest13605-21diskmemload02:40:090
97052490,2sleep20-21swapper/222:18:572
2067999499,9cyclictest4555-21ssh01:39:160
2067999499,10cyclictest11889-21swap22:23:570
2067999497,15cyclictest13605-21diskmemload02:25:310
2067999497,15cyclictest13605-21diskmemload02:25:310
106891490,1ptp4l401ktimersoftd/301:55:403
2067999489,16cyclictest26752-21perl21:48:420
2067999488,16cyclictest30257-21if_enp1s023:03:480
2067999488,16cyclictest30257-21if_enp1s023:03:480
2067999488,14cyclictest14038-21apt-get23:38:440
2067999487,14cyclictest13605-21diskmemload01:26:440
12322480,2sleep20-21swapper/202:08:582
2068699473,35cyclictest27360-21apt-get02:03:461
2067999478,9cyclictest26073-21apt-get00:23:430
2067999478,8cyclictest22284-21snmp_o5powerctl21:38:540
106891470,0ptp4l401ktimersoftd/302:34:223
20690994642,2cyclictest311rcuc/201:35:562
2067999469,8cyclictest10056-21irqstats23:28:510
2067999468,8cyclictest12967-21grep22:28:440
2067999468,16cyclictest16645-21/usr/sbin/munin02:58:540
106891460,2ptp4l11216-21kworker/3:002:25:093
106891460,2ptp4l11216-21kworker/3:002:25:093
106891460,2ptp4l11216-21kworker/3:000:30:263
2069099453,7cyclictest33-21ksoftirqd/200:08:482
2069099453,5cyclictest33-21ksoftirqd/201:53:342
2067999459,8cyclictest28706-21snmp_o5powerctl22:58:550
2067999459,8cyclictest28706-21snmp_o5powerctl22:58:550
2067999458,8cyclictest26112-21sensors_temp22:53:530
2067999458,8cyclictest22670-21df_inode22:48:460
106891450,2ptp4l20778-21kworker/3:123:06:073
106891450,2ptp4l20778-21kworker/3:123:06:073
106891450,1ptp4l401ktimersoftd/322:09:013
106891450,1ptp4l401ktimersoftd/301:20:403
2068699444,35cyclictest10424-21apt-get01:13:451
2067999448,9cyclictest32442-21snmp_o5powerctl21:58:550
2069099433,7cyclictest30666-21cat00:28:322
2068699436,29cyclictest28123-21ssh00:58:451
2068699434,31cyclictest26367-21apt-get21:48:391
20690994223,7cyclictest33-21ksoftirqd/201:08:552
20690994222,7cyclictest33-21ksoftirqd/223:48:532
2069099420,7cyclictest321ktimersoftd/202:48:472
2068699423,31cyclictest15375-21apt-get01:18:481
2067999428,8cyclictest1401-21perl22:03:450
2067999427,9cyclictest1124-21ssh23:08:580
2067999427,20cyclictest0-21swapper/023:23:530
2069099414,5cyclictest33-21ksoftirqd/202:41:222
2069099413,5cyclictest33-21ksoftirqd/223:40:302
2069099413,5cyclictest33-21ksoftirqd/202:58:302
20690994120,7cyclictest33-21ksoftirqd/203:03:512
2068699414,29cyclictest11820-21ssh02:53:481
2068699413,30cyclictest24453-21apt-get02:33:491
2068699412,30cyclictest1037-21apt-get22:03:411
106891410,1ptp4l401ktimersoftd/301:45:453
106891410,1ptp4l401ktimersoftd/300:19:593
20690994036,3cyclictest311rcuc/223:57:022
20690994036,2cyclictest311rcuc/201:05:422
20690994021,7cyclictest33-21ksoftirqd/201:43:542
2069099400,7cyclictest321ktimersoftd/223:13:422
2068699404,30cyclictest0-21swapper/122:33:421
2068699403,7cyclictest14606-21apt-get02:23:481
2068699403,7cyclictest14606-21apt-get02:23:481
2068699403,32cyclictest9704-21apt-get02:18:481
2068699402,33cyclictest14038-21apt-get23:38:451
2068699402,30cyclictest11542-21apt-get23:33:441
106891400,1ptp4l401ktimersoftd/322:58:513
106891400,1ptp4l401ktimersoftd/322:58:513
20690993921,6cyclictest33-21ksoftirqd/202:29:002
20690993919,7cyclictest33-21ksoftirqd/200:03:452
2069099390,5cyclictest33-21ksoftirqd/202:15:572
2068699393,30cyclictest64-21kswapd001:58:471
2068699393,29cyclictest6789-21apt-get23:23:431
2068699392,30cyclictest576-21apt-get01:03:461
2068699392,30cyclictest29485-21apt-get02:38:491
2068699392,29cyclictest29732-21apt-get23:03:421
2068699392,29cyclictest29732-21apt-get23:03:421
106891390,1ptp4l401ktimersoftd/323:39:063
106891390,1ptp4l401ktimersoftd/302:39:463
106891390,1ptp4l401ktimersoftd/302:03:313
106891390,1ptp4l401ktimersoftd/301:38:393
106891390,0ptp4l401ktimersoftd/300:58:483
2069099383,6cyclictest33-21ksoftirqd/200:16:112
2069099383,5cyclictest33-21ksoftirqd/200:47:452
2069099383,5cyclictest33-21ksoftirqd/200:47:452
2068699383,27cyclictest32116-21apt-get23:08:421
2068699382,29cyclictest30997-21apt-get00:28:441
2068699382,28cyclictest32297-21apt-get02:08:481
2068699381,4cyclictest13892-21taskset00:10:111
2068699380,5cyclictest3118-21awk23:59:021
2067999388,20cyclictest0-21swapper/022:43:560
106891380,1ptp4l401ktimersoftd/302:51:553
106891380,1ptp4l401ktimersoftd/302:30:453
106891380,1ptp4l401ktimersoftd/302:06:573
106891380,1ptp4l401ktimersoftd/301:24:533
106891380,1ptp4l401ktimersoftd/301:12:033
106891380,1ptp4l401ktimersoftd/300:24:483
106891380,0ptp4l401ktimersoftd/321:38:593
106891380,0ptp4l401ktimersoftd/302:55:043
2069099376,8cyclictest33-21ksoftirqd/200:54:002
2069099376,6cyclictest13431-21ssh01:16:002
2069099375,6cyclictest33-21ksoftirqd/223:45:522
2069099373,6cyclictest33-21ksoftirqd/221:40:382
2069099373,6cyclictest33-21ksoftirqd/202:48:122
2069099373,6cyclictest33-21ksoftirqd/200:59:292
20690993733,2cyclictest311rcuc/222:25:212
20690993733,2cyclictest311rcuc/221:45:112
20690993733,2cyclictest311rcuc/201:57:432
20690993733,2cyclictest311rcuc/200:37:022
2068699379,24cyclictest24895-21grep22:53:431
2068699371,3cyclictest0-21swapper/100:03:441
2068699370,4cyclictest8170-21rm01:10:241
2068699370,3cyclictest15724-21ssh01:51:091
2068699370,3cyclictest11760-21/usr/sbin/munin22:23:521
198782378,15sleep00-21swapper/021:33:570
106891370,1ptp4l401ktimersoftd/323:19:543
106891370,1ptp4l401ktimersoftd/303:08:103
106891370,1ptp4l401ktimersoftd/302:43:383
106891370,1ptp4l401ktimersoftd/301:15:013
106891370,1ptp4l401ktimersoftd/300:47:363
106891370,1ptp4l401ktimersoftd/300:47:363
106891370,1ptp4l401ktimersoftd/300:40:543
106891370,1ptp4l401ktimersoftd/300:11:553
106891370,0ptp4l401ktimersoftd/323:56:263
106891370,0ptp4l401ktimersoftd/321:53:563
2069099366,7cyclictest33-21ksoftirqd/201:26:082
2069099365,4cyclictest33-21ksoftirqd/203:03:122
2069099363,8cyclictest33-21ksoftirqd/202:35:032
2068699364,26cyclictest26073-21apt-get00:23:441
2068699363,27cyclictest21664-21apt-get03:03:501
2068699362,28cyclictest21708-21snmp_o5powerctl01:23:581
2068699362,27cyclictest3433-21apt-get22:08:431
2068699362,27cyclictest16269-21apt-get00:13:461
20686993617,16cyclictest8490-21cut22:18:451
2068699360,3cyclictest5033-21ssh01:40:051
2068699360,3cyclictest1897-21acpi02:43:461
106891360,1ptp4l401ktimersoftd/323:52:033
106891360,1ptp4l401ktimersoftd/302:22:523
106891360,1ptp4l401ktimersoftd/302:17:253
106891360,0ptp4l401ktimersoftd/303:00:423
106891360,0ptp4l401ktimersoftd/300:58:203
2069099356,5cyclictest33-21ksoftirqd/202:25:062
2069099356,5cyclictest33-21ksoftirqd/202:25:062
2069099355,7cyclictest33-21ksoftirqd/200:29:142
20690993516,7cyclictest33-21ksoftirqd/223:28:532
2069099351,5cyclictest33-21ksoftirqd/201:42:152
2069099350,5cyclictest0-21swapper/222:03:402
2069099350,3cyclictest33-21ksoftirqd/221:58:532
2068699353,26cyclictest5795-21apt-get22:13:411
20686993510,22cyclictest24046-21grep22:49:001
2068699350,5cyclictest8754-21ssh01:43:571
2068699350,3cyclictest0-21swapper/123:13:491
2068699350,3cyclictest0-21swapper/102:59:591
2068699350,2cyclictest219232sleep122:46:301
2067999355,8cyclictest16491-21ps22:33:520
106891350,1ptp4l401ktimersoftd/300:33:463
2069099346,7cyclictest33-21ksoftirqd/200:48:562
2069099345,7cyclictest33-21ksoftirqd/202:19:242
2069099345,7cyclictest33-21ksoftirqd/201:28:482
2069099345,7cyclictest33-21ksoftirqd/201:23:152
2069099344,12cyclictest33-21ksoftirqd/201:58:532
20690993416,6cyclictest33-21ksoftirqd/223:34:082
20686993413,17cyclictest29698-21idleruntime-cro01:33:341
2068699340,4cyclictest9849-21rm02:50:581
2068699340,3cyclictest26362-21ssh23:49:421
106891340,1ptp4l401ktimersoftd/323:59:303
106891340,1ptp4l401ktimersoftd/323:24:073
106891340,1ptp4l401ktimersoftd/301:05:263
106891340,1ptp4l401ktimersoftd/300:51:583
20690993328,3cyclictest311rcuc/200:39:372
2068699339,21cyclictest0-21swapper/100:38:501
20686993316,13cyclictest25-21ksoftirqd/123:31:431
20686993312,17cyclictest4608-21expr23:18:451
2068699330,4cyclictest6949-21ssh02:14:381
2068699330,4cyclictest23020-21ssh00:53:361
2068699330,3cyclictest24713-21ssh00:21:551
2068699330,3cyclictest0-21swapper/100:49:361
106891330,1ptp4l401ktimersoftd/323:43:563
106891330,1ptp4l401ktimersoftd/322:40:013
106891330,1ptp4l401ktimersoftd/301:49:463
106891330,1ptp4l401ktimersoftd/301:30:063
2069099329,7cyclictest33-21ksoftirqd/200:20:522
2069099324,7cyclictest33-21ksoftirqd/200:02:352
20690993227,3cyclictest311rcuc/221:54:472
2068699321,28cyclictest24331-21tune2fs21:43:441
20686993210,19cyclictest28202-21irqrtprio22:58:491
20686993210,19cyclictest28202-21irqrtprio22:58:491
2068699320,4cyclictest28653-21sshd21:53:361
2068699320,3cyclictest18316-21sed22:38:491
20679993217,11cyclictest0-21swapper/023:33:440
20679993215,14cyclictest5481-21cron22:13:290
106891320,1ptp4l401ktimersoftd/322:53:503
106891320,1ptp4l401ktimersoftd/321:50:143
106891320,1ptp4l401ktimersoftd/300:14:063
106891320,10ptp4l401ktimersoftd/323:13:223
2069099316,7cyclictest33-21ksoftirqd/222:53:302
2069099312,6cyclictest33-21ksoftirqd/223:08:472
20686993113,15cyclictest32243-21sed21:58:511
106891310,1ptp4l401ktimersoftd/323:34:033
2069099306,10cyclictest33-21ksoftirqd/222:33:192
2069099303,8cyclictest33-21ksoftirqd/222:43:512
106891300,1ptp4l401ktimersoftd/302:12:173
106891300,0ptp4l401ktimersoftd/322:43:473
106891300,0ptp4l401ktimersoftd/322:05:143
2069099290,7cyclictest33-21ksoftirqd/222:58:442
2069099290,7cyclictest33-21ksoftirqd/222:58:442
106891290,0ptp4l401ktimersoftd/321:44:243
2069099286,8cyclictest33-21ksoftirqd/222:56:232
2069099286,6cyclictest33-21ksoftirqd/221:53:162
20690992823,3cyclictest33-21ksoftirqd/223:18:492
20690992823,3cyclictest33-21ksoftirqd/223:03:462
20690992823,3cyclictest33-21ksoftirqd/223:03:462
20679992816,8cyclictest30306-21sed21:53:580
2069099278,5cyclictest33-21ksoftirqd/223:24:472
20690992722,3cyclictest33-21ksoftirqd/222:08:532
20679992715,7cyclictest2787-21irqrtprio23:13:490
106891270,10ptp4l401ktimersoftd/322:26:043
20699992620,3cyclictest41-21ksoftirqd/322:51:033
20699992619,4cyclictest41-21ksoftirqd/322:15:013
20690992621,3cyclictest33-21ksoftirqd/222:38:472
20690992619,4cyclictest33-21ksoftirqd/222:16:572
106891260,1ptp4l401ktimersoftd/322:36:253
20690992519,3cyclictest311rcuc/222:33:482
106891250,1ptp4l401ktimersoftd/323:15:003
20699992418,3cyclictest41-21ksoftirqd/322:31:273
106891240,1ptp4l401ktimersoftd/321:58:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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