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2026-01-11 - 23:47
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Sun Jan 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2783021670,3sleep02914899cyclictest10:04:060
502921660,2sleep22916299cyclictest11:53:362
1068911450,4ptp4l401ktimersoftd/307:23:243
1108221400,3sleep22916299cyclictest09:01:532
273872707,46sleep10-21swapper/107:21:541
45952680,4sleep02914899cyclictest11:20:580
101182680,2sleep10-21swapper/110:19:161
289672664,10sleep00-21swapper/007:25:360
127762630,2sleep312777-21ssh09:48:233
96122620,2sleep29614-21ptp4l-jitter08:56:592
106891610,1ptp4l401ktimersoftd/311:57:043
36042590,5sleep13606-21proc_pri11:52:031
192902550,1sleep10-21swapper/108:11:501
2916299548,8cyclictest4145-21grep10:46:542
284302540,2sleep00-21swapper/009:31:540
246362540,3sleep32917099cyclictest11:07:043
246362540,3sleep32917099cyclictest11:07:043
68092520,2sleep10-21swapper/110:16:391
42492510,2sleep00-21swapper/012:26:540
29170995114,21cyclictest23767-21sh10:00:313
2916299511,16cyclictest8287-21/usr/sbin/munin11:57:002
149782510,1sleep20-21swapper/210:57:032
77762500,1sleep20-21swapper/210:16:572
59542490,2sleep2311rcuc/210:15:322
2917099491,25cyclictest19297-21ssh09:56:133
287972474,29sleep20-21swapper/207:23:242
2917099460,27cyclictest8742-21ssh12:31:523
2916299469,5cyclictest33-21ksoftirqd/209:36:282
29162994510,5cyclictest33-21ksoftirqd/212:56:362
2914899453,33cyclictest11926-21apt-get12:36:510
2917099440,23cyclictest22503-21diskmemload09:37:143
2916299445,7cyclictest0-21swapper/211:06:402
2916299445,7cyclictest0-21swapper/211:06:402
2914899442,37cyclictest19976-21apt-get09:56:500
2916299439,5cyclictest33-21ksoftirqd/212:02:122
2914899431,35cyclictest25076-21apt-get11:41:530
2916299429,5cyclictest33-21ksoftirqd/212:19:412
2914899421,35cyclictest10201-21apt-get09:46:500
2914899413,32cyclictest8376-21apt-get08:56:490
2914899413,32cyclictest31547-21apt-get12:21:530
2914899413,32cyclictest15684-21apt-get09:11:490
2914899412,33cyclictest9726-21apt-get07:51:540
2914899412,33cyclictest3625-21apt-get08:46:490
2914899411,36cyclictest0-21swapper/009:26:500
2914899411,35cyclictest0-21swapper/009:51:500
2917099400,24cyclictest5019-21/usr/sbin/munin12:27:003
29162994032,5cyclictest33-21ksoftirqd/208:31:412
29162994011,5cyclictest33-21ksoftirqd/212:23:302
2914899403,32cyclictest23963-21apt-get08:21:480
2914899402,32cyclictest13317-21apt-get09:06:500
2914899402,31cyclictest8663-21apt-get10:51:510
2914899401,35cyclictest0-21swapper/008:16:480
2914899400,5cyclictest20600-21grep11:36:560
2914899400,3cyclictest16789-21ssh11:32:050
2917099393,29cyclictest26681-21apt-get12:16:543
29155993913,23cyclictest18304-21sed08:07:041
2914899393,30cyclictest28915-21apt-get08:31:490
2914899392,31cyclictest3796-21apt-get10:46:510
2914899392,31cyclictest29699-21apt-get10:06:500
2914899392,31cyclictest16837-21apt-get08:06:470
2914899392,30cyclictest26330-21apt-get08:26:480
2914899392,30cyclictest23273-21apt-get11:06:530
2914899392,30cyclictest23273-21apt-get11:06:530
2914899392,30cyclictest11895-21apt-get10:21:500
29148993914,22cyclictest17132-21cut10:26:550
2914899391,32cyclictest5991-21apt-get08:51:500
2914899391,32cyclictest26681-21apt-get12:16:540
2914899391,32cyclictest18073-21apt-get09:16:510
2914899391,32cyclictest18073-21apt-get09:16:510
29148993912,24cyclictest6818-21latency_hist10:16:390
2914899390,5cyclictest31038-21needreboot11:47:000
106891390,1ptp4l401ktimersoftd/311:17:263
106891390,1ptp4l401ktimersoftd/309:46:093
106891390,1ptp4l401ktimersoftd/309:28:153
2916299386,6cyclictest33-21ksoftirqd/209:47:082
2915599383,5cyclictest0-21swapper/112:26:511
2915599383,5cyclictest0-21swapper/108:56:491
2915599382,12cyclictest30330-21cat07:27:001
2915599382,12cyclictest30330-21cat07:27:001
2914899383,29cyclictest7027-21apt-get10:16:500
2914899382,30cyclictest4775-21apt-get07:41:480
2914899382,30cyclictest26725-21apt-get12:51:550
2914899382,29cyclictest31316-21apt-get08:36:520
2914899380,4cyclictest11589-21irqrtprio09:01:560
2914899380,3cyclictest22503-21diskmemload09:45:180
106891380,1ptp4l401ktimersoftd/312:41:573
106891380,1ptp4l401ktimersoftd/312:22:383
106891380,1ptp4l401ktimersoftd/311:50:153
106891380,1ptp4l401ktimersoftd/311:31:243
106891380,1ptp4l401ktimersoftd/311:02:063
106891380,1ptp4l401ktimersoftd/310:30:273
2916299377,5cyclictest33-21ksoftirqd/211:05:202
2916299377,4cyclictest33-21ksoftirqd/211:27:282
29162993710,5cyclictest33-21ksoftirqd/211:16:542
2915599373,9cyclictest29936-21ssh11:46:521
2915599373,5cyclictest0-21swapper/108:26:481
2915599372,4cyclictest0-21swapper/110:06:501
2915599372,30cyclictest21986-21grep08:16:531
29155993713,21cyclictest14901-21sh10:24:091
29155993713,21cyclictest10538-21expr09:46:531
2914899371,4cyclictest7815-21ssh11:23:090
29148993713,21cyclictest18421-21cpu11:01:530
2914899371,31cyclictest17029-21ssh12:41:540
2914899371,30cyclictest12086-21apt-get12:01:520
2914899370,4cyclictest22321-21cat10:31:580
2914899370,4cyclictest10207-21acpi11:26:510
2914899370,3cyclictest16884-21cat12:06:520
2914899370,2cyclictest22503-21diskmemload11:58:280
106891370,1ptp4l401ktimersoftd/312:55:523
106891370,1ptp4l401ktimersoftd/312:03:223
106891370,1ptp4l401ktimersoftd/311:53:043
106891370,1ptp4l401ktimersoftd/311:36:113
106891370,1ptp4l401ktimersoftd/310:56:503
106891370,1ptp4l401ktimersoftd/310:50:163
106891370,1ptp4l401ktimersoftd/310:39:203
106891370,1ptp4l401ktimersoftd/310:33:483
106891370,1ptp4l401ktimersoftd/310:13:353
106891370,1ptp4l401ktimersoftd/308:56:573
106891370,0ptp4l401ktimersoftd/310:02:423
29170993619,14cyclictest41-21ksoftirqd/307:42:293
2917099360,33cyclictest32479-21cron09:36:383
2917099360,32cyclictest13675-21fschecks_time09:06:533
2917099360,20cyclictest14081-21chrt10:22:443
2916299366,6cyclictest33-21ksoftirqd/210:40:362
2915599364,4cyclictest0-21swapper/108:31:491
2915599363,3cyclictest0-21swapper/111:16:531
2915599363,3cyclictest0-21swapper/110:46:511
2915599362,4cyclictest0-21swapper/111:06:531
2915599362,4cyclictest0-21swapper/111:06:531
2915599362,3cyclictest0-21swapper/112:21:531
29155993611,3cyclictest1055-21runrttasks09:26:541
2914899369,24cyclictest14521-21cpuspeed_turbos08:01:490
29148993613,20cyclictest32547-21nfs4_client10:42:020
29148993612,21cyclictest364-21/usr/sbin/munin09:36:560
2914899360,4cyclictest15019-21ssh10:57:070
2914899360,3cyclictest32128-21if_enp1s0.107:31:380
2914899360,3cyclictest32128-21if_enp1s0.107:31:380
2914899360,3cyclictest10013-21sh12:34:050
106891360,1ptp4l401ktimersoftd/312:14:343
106891360,1ptp4l401ktimersoftd/311:24:303
106891360,1ptp4l401ktimersoftd/311:13:163
106891360,1ptp4l401ktimersoftd/310:55:483
106891360,1ptp4l401ktimersoftd/310:45:123
106891360,0ptp4l401ktimersoftd/312:51:173
106891360,0ptp4l401ktimersoftd/310:07:263
2917099353,24cyclictest10740-21apt-get09:01:493
2917099352,26cyclictest19202-21apt-get08:11:493
2915599355,26cyclictest0-21swapper/110:26:561
2915599353,8cyclictest5337-21ssh09:41:481
2915599353,7cyclictest16945-21apt-get12:06:531
2915599353,5cyclictest0-21swapper/108:36:521
2915599353,4cyclictest0-21swapper/112:01:521
2915599352,5cyclictest0-21swapper/110:01:501
2915599352,5cyclictest0-21swapper/107:41:481
2915599352,4cyclictest0-21swapper/110:51:511
2915599352,4cyclictest0-21swapper/109:56:501
2915599352,4cyclictest0-21swapper/109:11:491
2915599352,3cyclictest0-21swapper/112:51:551
2915599351,3cyclictest11311-21rm12:36:191
29155993512,20cyclictest9827-21expr07:51:551
29155993512,20cyclictest20363-21/usr/sbin/munin09:21:581
29155993512,20cyclictest13795-21hddtemp_smartct09:06:531
29155993512,20cyclictest10981-21cut11:26:591
29155993511,22cyclictest0-21swapper/111:40:571
29155993510,4cyclictest27092-21tune2fs12:16:581
2914899358,24cyclictest3877-21sed11:52:080
29148993511,21cyclictest2083-21irqrtprio08:41:580
2914899350,4cyclictest23292-21smart_sda12:47:050
106891350,1ptp4l401ktimersoftd/309:11:533
106891350,0ptp4l401ktimersoftd/312:07:293
29170993418,13cyclictest41-21ksoftirqd/308:32:233
2916299349,6cyclictest33-21ksoftirqd/209:56:142
2916299347,4cyclictest33-21ksoftirqd/211:44:012
2915599348,5cyclictest28560-21gltestperf09:31:551
2915599345,26cyclictest0-21swapper/110:36:341
29155993412,19cyclictest22503-21diskmemload12:44:381
2914899345,26cyclictest29866-21gltestperf07:26:570
2914899345,26cyclictest29866-21gltestperf07:26:570
29148993412,20cyclictest9315-21cat07:51:360
2914899340,4cyclictest3742-21snmp_o5powerctl07:36:580
2914899340,4cyclictest19455-21df_inode08:11:510
2914899340,2cyclictest22503-21diskmemload12:13:560
2914899340,2cyclictest0-21swapper/010:37:060
2917099331,28cyclictest29588-21ssh11:46:413
2917099330,29cyclictest12013-21latency_hist07:56:363
2916299336,6cyclictest33-21ksoftirqd/211:23:562
2916299335,5cyclictest33-21ksoftirqd/208:46:492
2916299333,7cyclictest24991-21ssh09:27:092
2915599339,4cyclictest18322-21/usr/sbin/munin11:01:581
2915599339,3cyclictest1690-21grep07:32:091
2915599339,3cyclictest1690-21grep07:32:091
2915599338,4cyclictest16962-21timerandwakeup11:32:101
2915599336,24cyclictest0-21swapper/112:48:451
2915599333,6cyclictest5991-21apt-get08:51:491
2915599332,7cyclictest15086-21apt-get09:51:501
2915599332,6cyclictest5409-21apt-get11:21:521
2915599332,4cyclictest0-21swapper/108:46:491
2915599332,3cyclictest0-21swapper/108:21:481
29155993311,18cyclictest11855-21basename12:36:491
29155993310,3cyclictest241ktimersoftd/107:46:561
2914899335,24cyclictest22664-21apt-key09:26:380
29148993311,19cyclictest28328-21expr11:11:530
2917099322,24cyclictest0-21swapper/311:36:513
2917099321,27cyclictest11929-21ssh12:36:503
29170993212,17cyclictest11303-21sh10:21:193
29170993211,18cyclictest32582-21tr07:31:523
29170993211,18cyclictest32582-21tr07:31:523
29170993211,18cyclictest31858-21if_enp1s0.108:36:573
29170993211,18cyclictest24295-21fschecks_time08:21:523
2917099320,2cyclictest0-21swapper/308:44:443
2916299328,6cyclictest33-21ksoftirqd/212:15:492
2916299327,4cyclictest33-21ksoftirqd/210:24:422
2916299322,17cyclictest745-21ssh09:36:522
29162993213,6cyclictest33-21ksoftirqd/209:42:572
2915599328,4cyclictest22619-21cut12:12:011
2915599327,4cyclictest29586-21snmp_o5powerctl11:12:061
2915599327,4cyclictest12791-21cron09:06:371
2915599323,5cyclictest25076-21apt-get11:41:531
2914899326,23cyclictest12050-21acpi07:56:470
2917099319,19cyclictest30644-21tail07:27:033
2917099319,19cyclictest30644-21tail07:27:033
2917099313,25cyclictest10766-21/usr/sbin/munin07:52:023
2917099312,21cyclictest20440-21apt-get09:21:503
2917099310,2cyclictest0-21swapper/308:52:083
2917099310,2cyclictest0-21swapper/307:36:543
2916299319,6cyclictest33-21ksoftirqd/212:11:302
2916299318,6cyclictest33-21ksoftirqd/207:46:282
2916299318,5cyclictest33-21ksoftirqd/212:44:462
2916299318,5cyclictest33-21ksoftirqd/210:11:022
2916299317,6cyclictest33-21ksoftirqd/211:34:132
2916299317,6cyclictest33-21ksoftirqd/209:59:552
2916299317,5cyclictest33-21ksoftirqd/212:36:512
2916299317,5cyclictest33-21ksoftirqd/211:50:062
2915599318,4cyclictest47050irq/101-ens3-Tx09:36:591
2915599317,4cyclictest13722-21cat10:56:531
2915599312,5cyclictest7153-21/usr/sbin/munin11:57:121
2915599311,4cyclictest0-21swapper/109:16:501
2915599311,4cyclictest0-21swapper/109:16:501
2915599310,7cyclictest26919-21fschecks_time10:36:541
2917099303,23cyclictest23198-21unixbench_multi08:17:063
2917099302,24cyclictest26690-21fschecks_time08:26:513
2917099301,24cyclictest16969-21grep08:06:493
29170993010,17cyclictest9200-21latency_hist07:51:363
2916299308,7cyclictest33-21ksoftirqd/212:50:312
2916299308,6cyclictest33-21ksoftirqd/211:13:332
2916299308,6cyclictest33-21ksoftirqd/210:54:572
2916299307,6cyclictest33-21ksoftirqd/210:29:552
2916299307,6cyclictest33-21ksoftirqd/208:13:012
2916299307,5cyclictest33-21ksoftirqd/210:34:102
2916299306,6cyclictest33-21ksoftirqd/210:42:002
2916299306,6cyclictest33-21ksoftirqd/208:03:422
2916299306,5cyclictest33-21ksoftirqd/208:21:532
2916299306,4cyclictest33-21ksoftirqd/211:39:492
2916299300,18cyclictest1356-21snmp_o5powerctl07:32:042
2916299300,18cyclictest1356-21snmp_o5powerctl07:32:042
2916299300,17cyclictest5416-21snmp_o5powerctl12:27:062
2915599301,4cyclictest31680-21df_inode10:41:561
2917099291,25cyclictest3974-21cut08:46:533
2917099291,24cyclictest20134-21apt09:21:373
2917099291,24cyclictest20134-21apt09:21:373
2916299297,5cyclictest33-21ksoftirqd/210:01:582
2916299296,7cyclictest33-21ksoftirqd/209:13:352
2916299296,7cyclictest33-21ksoftirqd/208:53:122
2916299296,7cyclictest33-21ksoftirqd/208:10:162
2916299296,6cyclictest33-21ksoftirqd/212:35:572
2916299295,7cyclictest33-21ksoftirqd/207:37:162
2917099281,24cyclictest15113-21/usr/sbin/munin08:01:543
2916299287,6cyclictest33-21ksoftirqd/208:39:312
2916299287,5cyclictest33-21ksoftirqd/207:46:472
2916299286,7cyclictest33-21ksoftirqd/207:54:022
2916299286,6cyclictest33-21ksoftirqd/209:20:382
2916299286,6cyclictest33-21ksoftirqd/209:20:382
2916299286,6cyclictest33-21ksoftirqd/209:08:542
2916299286,6cyclictest33-21ksoftirqd/208:17:432
2916299286,5cyclictest33-21ksoftirqd/207:56:592
2916299285,6cyclictest33-21ksoftirqd/209:23:272
2916299285,6cyclictest33-21ksoftirqd/208:46:012
2916299285,6cyclictest33-21ksoftirqd/208:27:552
2915599288,3cyclictest3242-21sed07:36:531
2915599287,4cyclictest12523-21gltestperf07:56:521
2915599286,3cyclictest2470-21ptp4l08:42:011
2916299277,6cyclictest33-21ksoftirqd/207:27:252
2916299277,6cyclictest33-21ksoftirqd/207:27:252
2915599267,4cyclictest14861-21tr08:01:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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