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2025-12-07 - 04:14
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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 Dec 07, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3044721710,5sleep12952699cyclictest23:50:051
2462421680,5sleep12952699cyclictest21:20:501
1773911210,8ptp4l17597-21kworker/3:120:21:313
140692830,2sleep20-21swapper/201:21:112
61912610,3sleep30-21swapper/301:50:593
29543996150,5cyclictest41-21ksoftirqd/320:55:493
266142610,3sleep3401ktimersoftd/301:00:093
29543995848,5cyclictest41-21ksoftirqd/301:05:533
2952299585,17cyclictest1764-21/usr/sbin/munin23:15:560
177391580,1ptp4l401ktimersoftd/322:55:443
29543995727,10cyclictest41-21ksoftirqd/301:35:403
29543995726,5cyclictest41-21ksoftirqd/300:55:403
29543995722,8cyclictest41-21ksoftirqd/300:01:023
2952299576,13cyclictest24627-21rm00:56:090
2952299575,17cyclictest1250-21head22:36:050
292472574,41sleep00-21swapper/020:23:200
281312570,2sleep10-21swapper/101:00:591
177391570,1ptp4l401ktimersoftd/301:50:343
2952299567,15cyclictest28424-21phc2sys01:01:020
272552560,3sleep2321ktimersoftd/223:06:542
2954399554,11cyclictest41-21ksoftirqd/300:00:383
2952299555,17cyclictest978-21/usr/sbin/munin00:31:150
2952299555,16cyclictest26178-21/usr/sbin/munin23:05:590
29543995423,5cyclictest41-21ksoftirqd/301:35:583
2952299545,16cyclictest393-21uptime23:51:070
29543995322,10cyclictest41-21ksoftirqd/322:05:513
29543995322,10cyclictest41-21ksoftirqd/321:35:353
29543995322,10cyclictest41-21ksoftirqd/301:25:573
29543995321,14cyclictest41-21ksoftirqd/322:10:513
29543995320,9cyclictest41-21ksoftirqd/301:03:433
29543995320,8cyclictest41-21ksoftirqd/321:01:053
29543995320,5cyclictest41-21ksoftirqd/321:50:583
2954399526,6cyclictest41-21ksoftirqd/322:41:083
29543995223,10cyclictest41-21ksoftirqd/322:01:073
29543995222,10cyclictest41-21ksoftirqd/323:06:073
29543995222,10cyclictest41-21ksoftirqd/320:30:463
29543995222,10cyclictest41-21ksoftirqd/320:30:463
29543995221,8cyclictest41-21ksoftirqd/323:25:573
29543995220,11cyclictest41-21ksoftirqd/300:05:543
29543995219,7cyclictest41-21ksoftirqd/322:35:473
29543995218,8cyclictest41-21ksoftirqd/300:31:003
2952299526,18cyclictest9372-21python01:16:040
2952299525,17cyclictest2226-21irqrtprio21:40:540
2952299525,16cyclictest15900-21unixbench-2d00:46:080
2952299524,17cyclictest26756-21/usr/sbin/munin23:45:530
2952299524,16cyclictest8074-21ssh23:22:410
2952299524,14cyclictest23668-21ssh23:03:140
2954399514,10cyclictest41-21ksoftirqd/300:20:593
29543995125,4cyclictest41-21ksoftirqd/301:44:543
29543995122,4cyclictest41-21ksoftirqd/323:01:003
29543995121,5cyclictest41-21ksoftirqd/323:33:413
29543995119,4cyclictest41-21ksoftirqd/322:35:363
2952299516,11cyclictest7435-21apt-get00:00:510
2952299515,15cyclictest22663-21diskmemload01:05:450
2952299515,14cyclictest3812-21ssh01:48:000
2952299515,14cyclictest25883-21ssh23:44:260
2952299514,16cyclictest21883-21/usr/sbin/munin21:16:010
2952299514,14cyclictest3822-21apt-get22:40:490
2954399505,10cyclictest41-21ksoftirqd/323:46:073
29543995025,4cyclictest41-21ksoftirqd/300:17:103
29543995025,4cyclictest41-21ksoftirqd/300:17:103
29543995024,4cyclictest41-21ksoftirqd/300:27:583
29543995020,10cyclictest41-21ksoftirqd/321:20:573
29543995011,10cyclictest41-21ksoftirqd/300:40:563
2952299506,11cyclictest12192-21/usr/sbin/munin00:05:540
2952299505,11cyclictest22663-21diskmemload01:51:420
2952299504,9cyclictest21691-21/usr/sbin/munin00:16:000
2952299504,9cyclictest21691-21/usr/sbin/munin00:16:000
2952299504,14cyclictest22663-21diskmemload23:27:400
2952299504,13cyclictest12356-21apt-get01:20:540
2952299504,11cyclictest22663-21diskmemload01:35:330
2952299503,16cyclictest22663-21diskmemload22:56:020
2952299503,14cyclictest27454-21apt-get22:30:490
2952299503,12cyclictest12623-21fschecks_count22:50:520
183792500,1sleep30-21swapper/300:11:553
183792500,1sleep30-21swapper/300:11:553
29543994926,7cyclictest41-21ksoftirqd/320:45:343
29543994922,4cyclictest41-21ksoftirqd/322:55:343
29543994921,4cyclictest41-21ksoftirqd/321:25:523
29543994918,10cyclictest41-21ksoftirqd/301:20:583
2952299496,9cyclictest17154-21/usr/sbin/munin01:25:560
2952299495,8cyclictest15389-21/usr/sbin/munin23:31:010
2952299495,13cyclictest19997-21ssh00:15:230
2952299495,13cyclictest19997-21ssh00:15:230
2952299495,12cyclictest22663-21diskmemload22:26:490
2952299495,12cyclictest22663-21diskmemload22:26:490
2952299494,17cyclictest22663-21diskmemload23:13:030
2952299494,17cyclictest22663-21diskmemload00:21:390
2952299494,16cyclictest22663-21diskmemload01:13:430
2952299494,14cyclictest8743-21apt-get21:55:510
2952299494,11cyclictest18243-21/usr/sbin/munin23:35:580
2952299493,16cyclictest22663-21diskmemload00:42:340
2952299492,15cyclictest22663-21diskmemload23:59:340
29543994823,7cyclictest41-21ksoftirqd/320:55:343
29543994822,4cyclictest41-21ksoftirqd/323:52:473
29543994816,10cyclictest41-21ksoftirqd/323:13:243
2952299486,9cyclictest6630-21phc2sys00:36:010
2952299484,17cyclictest25612-21apt-get01:35:540
2954399475,9cyclictest41-21ksoftirqd/300:36:113
2954399472,9cyclictest41-21ksoftirqd/300:46:093
2954399472,5cyclictest41-21ksoftirqd/322:28:083
2954399472,5cyclictest41-21ksoftirqd/322:28:083
29543994723,7cyclictest41-21ksoftirqd/320:40:343
29543994722,4cyclictest41-21ksoftirqd/323:16:473
29543994717,4cyclictest41-21ksoftirqd/321:45:513
29543994715,7cyclictest41-21ksoftirqd/301:16:593
2952299475,16cyclictest29553-21hddtemp_smartct21:30:530
2952299474,17cyclictest22663-21diskmemload22:50:200
2952299474,14cyclictest18400-21ssh00:50:420
2952299473,17cyclictest22663-21diskmemload01:40:440
2952299470,17cyclictest0-21swapper/021:21:040
29543994623,4cyclictest41-21ksoftirqd/320:46:033
29543994621,4cyclictest41-21ksoftirqd/301:11:393
29543994618,4cyclictest41-21ksoftirqd/322:45:523
29543994617,10cyclictest41-21ksoftirqd/320:35:473
29543994616,4cyclictest41-21ksoftirqd/321:10:543
2952699463,33cyclictest1246-21apt-get23:15:521
2952699461,30cyclictest29464-21ssh00:25:551
2952699460,4cyclictest31405-21seq01:05:441
2954399455,7cyclictest41-21ksoftirqd/323:35:573
29543994522,6cyclictest41-21ksoftirqd/321:20:353
29543994517,9cyclictest41-21ksoftirqd/323:42:193
29543994515,4cyclictest41-21ksoftirqd/320:25:563
2954399446,7cyclictest41-21ksoftirqd/322:25:363
29543994420,4cyclictest41-21ksoftirqd/321:35:563
2954399441,10cyclictest8206-21apt-get21:55:403
2952299444,8cyclictest13472-21apt-get22:05:490
2952299444,16cyclictest29231-21grep00:25:530
2954399435,3cyclictest41-21ksoftirqd/323:21:123
2954399433,10cyclictest41-21ksoftirqd/322:20:353
2952699438,21cyclictest21433-21seq21:13:071
2952299434,16cyclictest17131-21/usr/sbin/munin21:05:560
2952699424,28cyclictest22929-21apt-get00:55:511
2952299423,8cyclictest2427-21sshd20:35:160
2952299423,8cyclictest2427-21sshd20:35:160
2954399413,3cyclictest121rcu_preempt21:45:353
2954399410,9cyclictest41-21ksoftirqd/321:05:523
2952699404,30cyclictest21225-21apt-get01:30:531
2952699403,30cyclictest31889-21apt-get22:35:481
2952699403,30cyclictest0-21swapper/122:30:491
2952699402,30cyclictest31080-21apt-get23:50:491
2952699402,29cyclictest7728-21apt-get20:45:471
2952699400,6cyclictest25905-21irqrtprio23:05:571
2952299404,8cyclictest28038-21snmp_o5powerctl21:26:020
2952299403,8cyclictest31211-21ssh20:26:010
2952699393,30cyclictest0-21swapper/123:40:521
2952699393,29cyclictest21963-21apt-get21:15:481
2952699393,28cyclictest29064-21apt-get21:30:481
2952299394,16cyclictest3042-21df_inode20:35:480
2952299394,16cyclictest3042-21df_inode20:35:480
2952299393,8cyclictest9074-21snmp_o5powerctl20:46:020
2952299393,13cyclictest0-21swapper/020:55:540
2952699382,29cyclictest0-21swapper/123:55:511
2952699380,4cyclictest32069-21latency_hist20:30:331
2952699380,4cyclictest13763-21latency_hist00:45:391
2952699380,4cyclictest13132-21ps20:55:541
2952699380,3cyclictest19905-21ssh22:59:211
2952699373,27cyclictest22663-21diskmemload01:35:531
2952699370,4cyclictest6914-21ssh22:43:561
2952699370,4cyclictest25929-21/usr/sbin/munin00:20:591
2952699370,3cyclictest7959-21/usr/sbin/munin01:15:521
2952699370,3cyclictest16593-21perl00:10:551
2952699370,3cyclictest16593-21perl00:10:551
2952699370,3cyclictest1028-21snmpd22:27:121
2952699370,3cyclictest1028-21snmpd22:27:121
2952699363,27cyclictest0-21swapper/100:00:511
29526993616,17cyclictest20778-21/usr/sbin/munin23:00:591
29526993612,20cyclictest11215-21cpuspeed_turbos22:00:511
29526993610,22cyclictest3895-21phc2sys20:35:551
29526993610,22cyclictest3895-21phc2sys20:35:551
2952699360,4cyclictest2114-21irqrtprio01:46:011
2952699360,3cyclictest7353-21ssh01:51:411
2952699360,3cyclictest22663-21diskmemload00:45:551
2952299362,8cyclictest7480-21snmp_o5powerctl21:51:000
2952699357,24cyclictest18333-21grep22:15:511
2952699352,28cyclictest0-21swapper/121:55:501
2952699352,28cyclictest0-21swapper/101:20:541
2952699352,28cyclictest0-21swapper/100:15:511
2952699352,28cyclictest0-21swapper/100:15:511
2952699351,4cyclictest1066-21apt-get00:30:561
29526993510,21cyclictest11993-21cpuspeed_turbos00:05:511
2952699350,4cyclictest8350-21cstates22:45:531
2952699350,4cyclictest7215-21latency_hist20:45:341
2952699350,4cyclictest5852-21diskstats23:20:531
2952699350,3cyclictest0-21swapper/121:40:511
2952299353,8cyclictest22023-21ssh22:21:050
2952299353,8cyclictest16199-21perl22:10:530
2952699349,22cyclictest16566-21sh23:32:371
2952699343,26cyclictest0-21swapper/121:00:471
2952699342,26cyclictest20592-21apt-get22:20:501
2952699342,26cyclictest0-21swapper/122:05:491
29526993411,20cyclictest8356-21cut21:55:351
29526993411,20cyclictest12180-21basename20:55:341
29526993410,20cyclictest19528-21cat00:51:001
2952699340,5cyclictest18554-21snmp_o5powerctl21:06:021
2952699340,4cyclictest29748-21apt-get01:40:571
2952699340,3cyclictest46950irq/101-ens3-Tx23:28:181
2952699340,3cyclictest19085-21ssh01:27:001
2952699340,3cyclictest0-21swapper/100:36:431
2952699340,30cyclictest12236-21rm22:50:461
2952299346,12cyclictest6582-21ssh20:41:020
29526993311,19cyclictest5236-21grep01:11:081
2952699330,4cyclictest32640-21ls20:30:371
2952699330,4cyclictest32640-21ls20:30:371
2952699330,3cyclictest702-21ssh23:15:211
2952299336,16cyclictest11031-21/usr/sbin/munin22:01:010
2952699327,21cyclictest15801-21bc22:10:491
2952699320,3cyclictest21684-21ssh23:39:341
2952299322,15cyclictest1028-21snmpd21:37:020
2952699310,4cyclictest4027-21df21:45:511
287192316,12sleep10-21swapper/120:21:031
2952699303,6cyclictest26698-21apt-get21:25:501
2952699300,4cyclictest329-21snmp_o5powerctl21:35:591
29522993017,7cyclictest14842-21apt-get21:00:470
228502300,3sleep20-21swapper/200:55:502
293092299,9sleep2321ktimersoftd/220:24:112
29536992823,3cyclictest33-21ksoftirqd/223:21:022
29536992822,4cyclictest33-21ksoftirqd/200:36:072
29536992822,4cyclictest31129-21cron21:40:302
29536992822,3cyclictest33-21ksoftirqd/221:21:432
29536992822,3cyclictest33-21ksoftirqd/220:46:222
29536992821,4cyclictest33-21ksoftirqd/201:32:482
29522992810,13cyclictest0-21swapper/021:10:470
29536992722,3cyclictest33-21ksoftirqd/222:53:052
29536992721,3cyclictest33-21ksoftirqd/222:15:142
29536992720,4cyclictest33-21ksoftirqd/221:14:292
29522992717,7cyclictest1760-21runrttasks20:52:510
29536992621,3cyclictest33-21ksoftirqd/201:04:372
29536992621,3cyclictest33-21ksoftirqd/200:14:242
29536992621,3cyclictest33-21ksoftirqd/200:14:242
29536992620,3cyclictest33-21ksoftirqd/221:30:292
29536992620,3cyclictest33-21ksoftirqd/220:54:202
29536992620,3cyclictest33-21ksoftirqd/201:36:112
29536992619,4cyclictest33-21ksoftirqd/222:15:472
29536992619,4cyclictest33-21ksoftirqd/221:49:182
29536992619,4cyclictest33-21ksoftirqd/220:33:102
29536992619,4cyclictest33-21ksoftirqd/220:33:102
29536992520,3cyclictest33-21ksoftirqd/221:30:522
29536992519,3cyclictest33-21ksoftirqd/222:50:132
29536992519,3cyclictest33-21ksoftirqd/201:54:132
29536992518,3cyclictest33-21ksoftirqd/223:30:382
29536992517,5cyclictest14394-21grep00:45:522
29522992516,6cyclictest4888-21phc2sys21:45:580
29536992419,3cyclictest33-21ksoftirqd/201:20:402
29536992419,3cyclictest33-21ksoftirqd/200:20:522
29536992419,3cyclictest33-21ksoftirqd/200:06:042
29536992418,4cyclictest33-21ksoftirqd/222:05:082
29536992418,3cyclictest33-21ksoftirqd/223:19:512
29536992418,3cyclictest33-21ksoftirqd/221:40:412
29536992417,4cyclictest33-21ksoftirqd/222:58:272
29536992417,4cyclictest33-21ksoftirqd/222:27:482
29536992417,4cyclictest33-21ksoftirqd/222:27:482
2953699241,4cyclictest11183-21snmp_o5powerctl00:41:032
29536992318,3cyclictest33-21ksoftirqd/221:15:472
29536992317,4cyclictest33-21ksoftirqd/200:29:162
29536992317,3cyclictest33-21ksoftirqd/221:05:462
29536992317,3cyclictest33-21ksoftirqd/221:00:442
29536992317,3cyclictest33-21ksoftirqd/200:01:102
29536992316,4cyclictest33-21ksoftirqd/221:50:462
29536992314,6cyclictest4017-21gltestperf01:10:562
29536992310,10cyclictest1766-21irqrtprio00:31:022
2952299238,11cyclictest0-21swapper/022:15:500
2953699223,16cyclictest1904-21irqrtprio01:46:002
29536992216,3cyclictest31954-21cut01:05:572
29536992216,3cyclictest22170-21sh23:40:382
29536992215,4cyclictest33-21ksoftirqd/200:16:402
29536992215,4cyclictest33-21ksoftirqd/200:16:402
29536992213,6cyclictest29514-21sh22:31:352
29536992116,3cyclictest33-21ksoftirqd/223:41:232
29536992115,4cyclictest33-21ksoftirqd/220:41:252
29536992115,4cyclictest33-21ksoftirqd/201:44:162
29536992115,3cyclictest33-21ksoftirqd/222:41:562
2953699211,4cyclictest18797-21ssh01:26:252
29536992114,5cyclictest20625-21sh00:51:422
2953699211,17cyclictest4356-21snmp_o5powerctl23:56:052
2953699211,17cyclictest28843-21ssh23:46:362
2953699201,4cyclictest31572-21hddtemp_smartct23:50:542
29536992014,3cyclictest30083-21grep20:25:492
29536992014,3cyclictest1760-21runrttasks23:10:512
2953699201,3cyclictest14450-21memory22:05:572
29536992013,4cyclictest2708-21/usr/sbin/munin20:36:032
29536992013,4cyclictest2708-21/usr/sbin/munin20:36:032
29536992013,4cyclictest24434-21sh23:04:592
2953699201,16cyclictest21927-21snmp_o5powerctl22:21:012
2953699201,16cyclictest12477-21apt-get20:55:482
29536991912,4cyclictest32761-21irqrtprio22:35:542
29536991912,4cyclictest14323-21df23:30:522
2953699191,15cyclictest8206-21apt-get21:55:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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