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2026-06-14 - 04:57
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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 all highest latencies:
System rackbslot6.osadl.org (updated Sun Jun 14, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2290921780,5sleep03025599cyclictest21:41:490
1068911040,4ptp4l401ktimersoftd/320:49:513
105312850,2sleep30-21swapper/323:43:173
133972650,4sleep33027499cyclictest01:26:513
3026199600,4cyclictest18138-21ssh01:31:451
322052580,2sleep032206-21who20:52:030
22342580,4sleep33027499cyclictest23:01:583
259342570,2sleep10-21swapper/123:26:531
72192550,4sleep1241ktimersoftd/122:16:511
181622540,3sleep23026799cyclictest02:03:482
299632530,1sleep00-21swapper/001:10:060
224932510,1sleep10-21swapper/123:22:111
111912510,2sleep00-21swapper/021:16:520
2999624929,8sleep20-21swapper/220:49:322
3026199438,20cyclictest16528-21cat22:36:501
30267994112,3cyclictest28652-21grep01:41:562
30267994015,21cyclictest15007-21grep01:27:092
3026799399,5cyclictest30335-21/usr/sbin/munin23:32:002
3026199393,28cyclictest25071-21apt-get21:46:481
106891390,1ptp4l401ktimersoftd/323:14:203
106891390,1ptp4l401ktimersoftd/302:18:353
106891390,1ptp4l401ktimersoftd/302:06:233
106891390,1ptp4l401ktimersoftd/301:56:003
106891390,1ptp4l401ktimersoftd/301:06:263
106891390,1ptp4l401ktimersoftd/301:06:263
106891390,1ptp4l401ktimersoftd/300:43:593
106891390,1ptp4l401ktimersoftd/300:19:503
3027499380,4cyclictest23476-21ls21:41:543
3027499380,4cyclictest20936-21grep23:21:523
3026799381,15cyclictest9713-21grep22:21:532
3026199383,28cyclictest10481-21apt-get01:56:531
3026199382,29cyclictest15372-21apt-get02:01:531
3026199381,31cyclictest22909-21apt-get23:56:511
106891380,1ptp4l401ktimersoftd/323:27:373
106891380,1ptp4l401ktimersoftd/322:22:043
106891380,1ptp4l401ktimersoftd/321:32:053
106891380,1ptp4l401ktimersoftd/321:32:053
106891380,1ptp4l401ktimersoftd/321:17:033
106891380,1ptp4l401ktimersoftd/302:11:343
106891380,1ptp4l401ktimersoftd/301:59:153
106891380,1ptp4l401ktimersoftd/301:50:213
106891380,1ptp4l401ktimersoftd/301:33:563
106891380,1ptp4l401ktimersoftd/301:11:203
106891380,1ptp4l401ktimersoftd/300:51:563
106891380,1ptp4l401ktimersoftd/300:38:103
106891380,1ptp4l401ktimersoftd/300:27:393
30267993714,20cyclictest24543-21sh23:25:412
3026199372,29cyclictest13998-21apt-get22:31:491
3026199372,29cyclictest11618-21apt-get00:51:481
30261993720,14cyclictest7715-21grep23:07:061
3026199371,29cyclictest24642-21apt-get00:31:521
3026199371,28cyclictest20450-21apt-get02:06:531
106891370,1ptp4l401ktimersoftd/323:38:433
106891370,1ptp4l401ktimersoftd/322:59:043
106891370,1ptp4l401ktimersoftd/302:13:513
106891370,1ptp4l401ktimersoftd/301:20:083
106891370,1ptp4l401ktimersoftd/301:12:223
106891370,1ptp4l401ktimersoftd/300:32:393
106891370,1ptp4l401ktimersoftd/300:26:023
106891370,1ptp4l401ktimersoftd/300:14:283
106891370,1ptp4l401ktimersoftd/300:07:363
106891370,1ptp4l401ktimersoftd/300:01:563
106891370,0ptp4l401ktimersoftd/300:01:133
30274993615,18cyclictest1976-21sh23:35:473
3027499361,27cyclictest18749-21apt-get22:41:493
3027499360,4cyclictest7146-21/usr/sbin/munin22:16:513
3026799363,9cyclictest626-21apt-get01:46:532
30267993612,4cyclictest18797-21needreboot21:31:572
30267993612,4cyclictest18797-21needreboot21:31:572
3026199362,29cyclictest5174-21apt-get00:11:511
3026199362,27cyclictest3706-21apt-get01:16:531
3026199362,27cyclictest32196-21apt-get22:01:491
3026199362,27cyclictest13426-21apt-get01:26:521
3026199361,28cyclictest8554-21apt-get01:21:511
3026199361,28cyclictest1937-21apt-get00:41:511
3026199361,27cyclictest29798-21apt-get21:56:471
3026199360,4cyclictest4541-21ssh23:05:001
3026199360,4cyclictest27715-21cut21:51:501
3026199360,4cyclictest15633-21ssh23:48:171
3026199360,3cyclictest9902-21ssh00:16:451
3026199360,3cyclictest25709-21ssh01:38:271
3026199360,2cyclictest0-21swapper/121:31:501
3026199360,2cyclictest0-21swapper/121:31:501
106891360,1ptp4l401ktimersoftd/323:52:483
106891360,1ptp4l401ktimersoftd/322:53:043
106891360,1ptp4l401ktimersoftd/322:26:483
106891360,1ptp4l401ktimersoftd/301:38:523
106891360,1ptp4l401ktimersoftd/301:24:293
3027499359,22cyclictest14710-21cat23:47:073
3027499358,24cyclictest7718-21unixbench_singl23:07:063
30274993516,16cyclictest10644-21sh00:50:383
3027499351,4cyclictest0-21swapper/321:21:463
3026799358,4cyclictest7049-21df00:46:522
3026799354,8cyclictest13005-21apt-get21:21:462
3026799353,8cyclictest16486-21apt-get00:56:502
30267993513,4cyclictest26848-21sh22:54:312
30267993512,4cyclictest7455-21unixbench-2d21:07:022
30267993512,4cyclictest10736-21expr01:56:542
30267993512,3cyclictest32499-21sh23:00:462
3026199352,27cyclictest25305-21apt-get02:11:521
3026199352,26cyclictest30518-21apt-get20:51:451
3026199352,26cyclictest22486-21apt-get21:41:451
3026199352,26cyclictest1122-21apt-get20:56:451
3026199351,28cyclictest32716-21apt-get00:06:501
3026199350,4cyclictest28547-21irqrtprio00:01:571
3026199350,4cyclictest12048-21head22:26:511
3026199350,3cyclictest7127-21fschecks_count00:46:541
3026199350,3cyclictest11112-21rm23:44:171
3026199350,3cyclictest0-21swapper/101:41:591
3026199350,2cyclictest0-21swapper/123:31:561
30255993520,6cyclictest9-21ksoftirqd/023:21:490
3027499345,26cyclictest4205-21idleruntime-cro22:11:353
30274993411,20cyclictest31687-21seq01:44:593
30274993410,20cyclictest16016-21fschecks_count23:16:513
30274993410,20cyclictest16016-21fschecks_count23:16:513
3026799348,5cyclictest31384-21cut02:17:032
3026799348,5cyclictest12558-21tail23:12:062
3026799348,4cyclictest7421-21unixbench_multi01:52:142
3026799346,6cyclictest24219-21ssh00:31:392
3026799343,6cyclictest13101-21apt-get23:46:492
3026799343,10cyclictest30402-21cut00:36:562
30267993412,4cyclictest10440-21sh23:43:072
30267993412,3cyclictest15149-21expr00:21:532
30267993411,3cyclictest1055-21runrttasks21:39:572
3026799341,11cyclictest27437-21wc00:01:382
30267993410,3cyclictest26915-21sh00:32:542
3026199343,25cyclictest17976-21apt-get23:51:481
3026199342,25cyclictest2141-21apt-get22:06:491
3026199340,4cyclictest31966-21rm00:38:141
3026199340,4cyclictest29324-21ssh01:08:591
3026199340,3cyclictest5629-21acpi01:51:561
3026199340,3cyclictest4850-21ssh23:37:201
3026199340,2cyclictest0-21swapper/123:17:041
3026199340,2cyclictest0-21swapper/123:17:041
3026199340,2cyclictest0-21swapper/100:26:421
30255993429,3cyclictest9-21ksoftirqd/000:51:480
106891340,1ptp4l401ktimersoftd/300:58:313
3027499338,21cyclictest16475-21expr22:36:503
3027499330,3cyclictest22227-21phc2sys22:46:593
3026799339,3cyclictest13375-21sh00:19:452
3026799338,3cyclictest24620-21switchtime01:37:082
3026799337,4cyclictest9619-21cron00:16:382
3026799335,8cyclictest0-21swapper/223:17:012
3026799335,8cyclictest0-21swapper/223:17:012
3026799335,4cyclictest0-21swapper/200:52:042
3026799334,7cyclictest8517-21grep22:17:042
3026799333,7cyclictest9587-21snmp_o5powerctl21:11:582
3026799333,7cyclictest16714-21snmp_o5powerctl21:27:012
3026799332,6cyclictest986-21apt-get23:01:482
3026799331,7cyclictest2913-21ssh23:36:532
3026799331,4cyclictest4037-21tune2fs01:16:572
3026799331,4cyclictest26211-21irqrtprio02:12:002
30267993314,3cyclictest4122-21sh00:42:452
30267993312,3cyclictest5687-21cat21:06:342
30267993312,3cyclictest22426-21sed01:01:592
30267993312,3cyclictest22426-21sed01:01:592
30267993311,3cyclictest30143-21sh01:10:252
3026799331,10cyclictest10362-21head01:22:082
30267993310,5cyclictest18468-21sed23:51:522
3026199331,25cyclictest3516-21apt-get21:01:451
3026199330,4cyclictest6299-21grep21:06:491
3026199330,4cyclictest30462-21diskstats02:16:561
3026199330,4cyclictest25498-21ssh22:52:111
3026199330,4cyclictest10873-21df_inode21:16:491
3026199330,3cyclictest220462chrt21:40:141
3026199330,3cyclictest0-21swapper/121:11:531
3026199330,2cyclictest0-21swapper/101:15:351
4982320,4sleep341-21ksoftirqd/320:56:363
3027499329,19cyclictest414-21irqrtprio22:01:553
3027499329,19cyclictest3483-21bc21:01:443
3027499325,4cyclictest5167-21grep22:11:533
30274993225,4cyclictest29490-21sh21:56:353
3027499322,24cyclictest20099-21apt-get21:36:473
30274993214,15cyclictest15293-21/usr/sbin/munin21:26:553
3026799329,4cyclictest29620-21sed00:02:082
3026799329,3cyclictest24557-21latency_hist21:46:352
3026799327,4cyclictest12455-21irqrtprio22:26:532
3026799323,7cyclictest31266-21apt-get01:11:512
3026799323,6cyclictest25491-21apt-get23:26:482
3026799322,6cyclictest21890-21snmp_o5powerctl02:07:052
30267993214,3cyclictest21040-21/usr/sbin/munin22:46:522
30267993211,3cyclictest4429-21/usr/sbin/munin22:12:042
30267993211,3cyclictest2063-21/usr/sbin/munin22:06:582
3026199327,22cyclictest31065-21rm22:58:201
3026199327,22cyclictest19044-21tune2fs22:41:521
3026199326,22cyclictest17167-21rm00:22:531
3026199320,3cyclictest25675-21ssh01:06:021
3026199320,3cyclictest25675-21ssh01:06:021
3026199320,3cyclictest19273-21ssh00:58:461
3026199320,2cyclictest544-21/usr/sbin/munin01:47:031
3026199320,2cyclictest0-21swapper/123:11:561
30255993226,3cyclictest9-21ksoftirqd/001:21:400
3027499311,3cyclictest0-21swapper/321:06:443
3026199318,19cyclictest4906-21gltestperf22:11:511
3026199317,20cyclictest0-21swapper/121:21:501
3026199315,22cyclictest22204-21open_files22:46:591
3026199310,4cyclictest15631-21diskstats21:26:491
30255993123,5cyclictest9-21ksoftirqd/023:11:490
3026799305,5cyclictest27581-21tr21:51:482
3026799303,6cyclictest19733-21snmp_o5powerctl01:32:072
3026799302,7cyclictest5921-21ssh23:06:492
3026199301,4cyclictest30268-21latency_hist20:51:341
30255993025,3cyclictest9-21ksoftirqd/000:21:390
316102290,6sleep031615-21fschecks_count01:11:550
3027499296,4cyclictest9236-21wc21:11:553
3027499295,3cyclictest27270-21wc21:51:353
3027499290,3cyclictest30160-21perl21:56:503
3026799292,6cyclictest31864-21snmp_o5powerctl20:52:012
30255992924,3cyclictest9-21ksoftirqd/021:01:330
30255992923,3cyclictest9-21ksoftirqd/001:50:340
3025599292,20cyclictest0-21swapper/002:01:530
3027499286,2cyclictest0-21swapper/322:31:543
3027499283,3cyclictest30761-21expr20:51:473
281162283,14sleep028276-21cstates20:46:480
3026199270,4cyclictest9171-21date22:21:361
30255992719,5cyclictest7533-21grep22:16:540
3025599269,10cyclictest64-21kswapd000:11:500
30255992621,3cyclictest9-21ksoftirqd/022:56:560
30255992621,3cyclictest9-21ksoftirqd/001:31:590
30255992621,3cyclictest9-21ksoftirqd/000:47:010
30255992620,3cyclictest9-21ksoftirqd/000:41:380
282322260,2sleep00-21swapper/002:14:020
30255992520,3cyclictest9-21ksoftirqd/023:51:540
30255992520,3cyclictest9-21ksoftirqd/023:47:190
30255992520,3cyclictest9-21ksoftirqd/023:31:540
30255992520,3cyclictest9-21ksoftirqd/022:26:530
30255992519,3cyclictest9-21ksoftirqd/021:15:230
30267992418,3cyclictest33-21ksoftirqd/221:56:492
30267992418,3cyclictest1592-21cut20:56:492
30267992417,4cyclictest33-21ksoftirqd/221:21:202
30267992417,4cyclictest33-21ksoftirqd/200:07:492
30255992419,3cyclictest9-21ksoftirqd/023:11:370
30255992419,3cyclictest9-21ksoftirqd/021:51:500
30255992419,3cyclictest9-21ksoftirqd/002:06:570
30255992418,3cyclictest9-21ksoftirqd/022:43:590
30255992418,3cyclictest21421-21kworker/0:022:51:570
30255992318,3cyclictest9-21ksoftirqd/023:42:080
30255992318,3cyclictest9-21ksoftirqd/002:16:550
30255992318,3cyclictest9-21ksoftirqd/001:26:530
30255992317,4cyclictest9-21ksoftirqd/021:48:200
30255992317,3cyclictest9-21ksoftirqd/021:37:480
30255992317,3cyclictest9-21ksoftirqd/021:01:350
30255992317,3cyclictest9-21ksoftirqd/000:42:400
30267992216,3cyclictest33-21ksoftirqd/222:38:322
30255992217,3cyclictest9-21ksoftirqd/001:41:410
30255992216,4cyclictest9-21ksoftirqd/022:33:240
30255992216,4cyclictest9-21ksoftirqd/021:31:050
30255992216,4cyclictest9-21ksoftirqd/021:08:370
30255992216,3cyclictest9-21ksoftirqd/000:06:100
30255992215,4cyclictest10114-21threads01:22:060
3025599221,18cyclictest3197-21grep23:36:550
3025599221,10cyclictest88332sh01:54:310
30267992114,4cyclictest33-21ksoftirqd/222:35:112
30267992114,4cyclictest33-21ksoftirqd/222:02:352
30255992117,3cyclictest9-21ksoftirqd/022:11:530
30255992116,3cyclictest9-21ksoftirqd/001:42:090
30255992115,3cyclictest9-21ksoftirqd/022:07:300
30255992114,4cyclictest32287-21grep22:01:490
30255992114,4cyclictest17839-21grep21:31:500
30255992114,4cyclictest17839-21grep21:31:500
30255992114,4cyclictest16310-21sh00:56:400
3025599211,3cyclictest21596-21hddtemp_smartct22:46:550
30255992113,4cyclictest20188-21latency_hist23:21:370
30255992113,4cyclictest20188-21latency_hist23:21:370
30267992014,3cyclictest27123-21sh21:51:352
30267992013,4cyclictest33-21ksoftirqd/222:43:102
30255992015,3cyclictest9-21ksoftirqd/023:56:510
30255992015,3cyclictest9-21ksoftirqd/022:39:180
30255992014,3cyclictest9-21ksoftirqd/023:04:150
30255992014,3cyclictest9-21ksoftirqd/021:25:350
30255992013,4cyclictest13840-21sh01:59:460
30255991914,3cyclictest9-21ksoftirqd/023:26:500
30255991913,3cyclictest9-21ksoftirqd/022:22:300
30255991913,3cyclictest31703-21seq21:59:360
30255991913,3cyclictest1055-21runrttasks00:33:390
30255991912,4cyclictest23188-21diskmemload00:23:560
30255991813,3cyclictest9-21ksoftirqd/001:02:090
30255991813,3cyclictest9-21ksoftirqd/001:02:090
30255991813,3cyclictest19920-21cpuspeed_turbos00:26:520
30255991812,3cyclictest670-21cut00:06:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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