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2025-12-17 - 02:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot2.osadl.org (updated Wed Dec 17, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8061925319,30sleep70-21swapper/719:09:097
8059625341,8sleep40-21swapper/419:08:504
626589420,35rtkit-daemon0-21swapper/519:05:025
7139624129,8sleep60-21swapper/619:04:516
80932994038,2cyclictest453649-21kworker/u16:0+flush-8:023:04:415
80932994037,3cyclictest240248-21kworker/u16:0+flush-8:020:44:425
80938993933,5cyclictest375642-21latency_hist21:39:427
80932993735,2cyclictest647925-21kworker/u16:2+flush-8:000:04:415
80932993533,2cyclictest336886-21kworker/u16:4+flush-8:021:54:415
80932993230,2cyclictest210730-21kworker/u16:1+flush-8:021:19:415
80932992826,2cyclictest210730-21kworker/u16:1+events_unbound20:20:095
2922192270,1sleep70-21swapper/720:55:007
80938992520,4cyclictest647531-21latency_hist23:59:417
80938992418,5cyclictest715522-21latency_hist00:34:417
80932992422,2cyclictest548339-21kworker/u16:2+flush-8:023:09:415
80932992422,2cyclictest32399-21kworker/u16:5+events_unbound19:14:575
80932992422,2cyclictest214807-21kworker/u16:4+events_unbound20:15:105
80938992322,0cyclictest0-21swapper/700:20:287
80938992221,0cyclictest0-21swapper/722:25:537
8093899220,21cyclictest0-21swapper/720:10:327
80932992220,2cyclictest647925-21kworker/u16:2+flush-8:000:14:565
80932992220,2cyclictest356312-21kworker/u16:2+events_unbound22:45:085
80938992121,0cyclictest0-21swapper/723:43:537
80938992120,0cyclictest0-21swapper/720:06:177
80938992019,0cyclictest0-21swapper/722:00:287
80938992019,0cyclictest0-21swapper/722:00:287
80938992019,0cyclictest0-21swapper/719:50:007
80938992018,1cyclictest599024-21basename23:34:407
80932992018,2cyclictest210730-21kworker/u16:1+flush-8:020:24:565
8093899199,4cyclictest6184-21gvfs-afc-volume19:35:127
8093899199,4cyclictest6184-21gvfs-afc-volume19:35:127
80938991918,0cyclictest0-21swapper/723:03:527
80932991917,2cyclictest521642-21kworker/u16:1+flush-8:023:20:055
80932991917,2cyclictest307445-21kworker/u16:0+events_unbound21:14:415
80932991917,2cyclictest307445-21kworker/u16:0+events_unbound21:14:415
80938991817,0cyclictest0-21swapper/723:20:527
80938991817,0cyclictest0-21swapper/722:20:257
80938991817,0cyclictest0-21swapper/700:15:027
80938991816,1cyclictest0-21swapper/721:40:137
80938991814,3cyclictest1267-21snmpd23:17:467
80938991813,4cyclictest667049-21latency_hist00:09:407
8093899180,1cyclictest0-21swapper/721:05:027
80932991816,2cyclictest307445-21kworker/u16:0+events_unbound21:20:095
80938991717,0cyclictest0-21swapper/723:25:127
80938991716,0cyclictest0-21swapper/722:32:537
80938991716,0cyclictest0-21swapper/719:11:537
80938991716,0cyclictest0-21swapper/700:35:027
8093899170,16cyclictest1267-21snmpd00:09:597
8093899170,15cyclictest502375-21sed22:44:417
80932991715,2cyclictest403809-21kworker/u16:3+flush-8:022:44:405
80932991713,3cyclictest356312-21kworker/u16:2+flush-8:021:54:595
80938991615,0cyclictest0-21swapper/722:57:527
80938991615,0cyclictest0-21swapper/721:29:597
80938991612,2cyclictest443726-21munin-run22:14:417
80938991610,5cyclictest6184-21gvfs-afc-volume23:50:047
8093899160,14cyclictest255804-21kthreadcore20:34:597
8093899160,14cyclictest0-21swapper/719:15:067
80934991613,2cyclictest647925-21kworker/u16:2+flush-8:023:59:566
80932991614,2cyclictest453649-21kworker/u16:0+flush-8:022:30:005
80932991614,2cyclictest403809-21kworker/u16:3+flush-8:023:40:235
80927991614,2cyclictest307445-21kworker/u16:0+flush-8:021:54:564
80938991514,0cyclictest0-21swapper/721:19:567
80938991512,2cyclictest0-21swapper/723:34:417
80938991512,2cyclictest0-21swapper/723:34:417
80938991510,4cyclictest278628-21latency_hist20:49:427
80932991513,2cyclictest70724-21kworker/u16:2+flush-8:019:14:425
80932991512,2cyclictest589501-21kworker/u16:0+flush-8:023:54:415
80927991513,2cyclictest453649-21kworker/u16:0+events_unbound22:34:564
8093899147,6cyclictest6344-21gmain21:45:007
8093899141,3cyclictest902-21dbus-daemon21:19:417
80938991413,0cyclictest0-21swapper/723:04:587
80938991413,0cyclictest0-21swapper/700:00:127
8093899141,12cyclictest951ktimers/720:15:047
80934991413,1cyclictest0-21swapper/620:15:026
80934991411,2cyclictest561121-21diskstats23:14:556
80932991411,2cyclictest413550-21kworker/u16:6+flush-8:022:00:065
80932991411,2cyclictest413550-21kworker/u16:6+flush-8:022:00:065
8093299140,1cyclictest0-21swapper/522:15:035
80927991412,2cyclictest71089-21kworker/u16:3+flush-8:020:54:574
8092799140,13cyclictest0-21swapper/421:34:514
8093899139,3cyclictest1267-21snmpd22:45:407
8093899139,3cyclictest1267-21snmpd19:24:237
8093899137,5cyclictest453423-21latency_hist22:19:417
8093899136,6cyclictest6184-21gvfs-afc-volume23:10:047
80938991313,0cyclictest0-21swapper/723:46:087
8093899131,11cyclictest951ktimers/722:35:047
8093899131,11cyclictest951ktimers/721:50:047
80938991310,2cyclictest0-21swapper/720:29:427
8093899130,4cyclictest347772-21sed21:24:587
80934991312,1cyclictest0-21swapper/619:45:046
80934991311,1cyclictest0-21swapper/621:40:326
8093499130,13cyclictest0-21swapper/620:35:036
80932991311,2cyclictest647925-21kworker/u16:2+events_unbound00:10:095
80932991311,2cyclictest521642-21kworker/u16:1+flush-8:023:09:565
8092799138,4cyclictest318586-21cat21:09:574
8092799138,4cyclictest318586-21cat21:09:574
80927991312,1cyclictest0-21swapper/421:44:564
80927991311,2cyclictest453649-21kworker/u16:0+flush-8:022:29:564
8092799130,13cyclictest0-21swapper/419:48:164
8092799130,13cyclictest0-21swapper/400:14:234
8092799130,0cyclictest0-21swapper/400:19:544
6452322130,3sleep60-21swapper/623:55:036
8093899129,2cyclictest512102-21/usr/sbin/munin22:50:067
8093899129,2cyclictest1267-21snmpd20:20:067
8093899129,2cyclictest0-21swapper/722:05:057
8093899128,3cyclictest96-21ksoftirqd/721:10:067
8093899128,3cyclictest96-21ksoftirqd/721:10:067
8093899128,3cyclictest1267-21snmpd19:33:497
8093899128,3cyclictest1267-21snmpd00:29:397
8093899128,3cyclictest1267-21snmpd00:29:397
8093899127,4cyclictest6184-21gvfs-afc-volume19:45:027
80938991212,0cyclictest0-21swapper/721:02:197
8093899120,2cyclictest0-21swapper/719:55:007
8093899120,10cyclictest409414-21kthreadcore21:55:017
8093899120,10cyclictest148172-21cut19:40:017
80934991211,1cyclictest0-21swapper/622:50:476
80934991211,1cyclictest0-21swapper/622:15:006
8093499120,1cyclictest0-21swapper/623:34:376
8093499120,1cyclictest0-21swapper/623:22:296
8093499120,1cyclictest0-21swapper/621:54:026
8093499120,12cyclictest0-21swapper/622:59:376
8093499120,12cyclictest0-21swapper/622:10:266
8093499120,12cyclictest0-21swapper/619:18:166
8093499120,11cyclictest0-21swapper/622:24:476
8093299129,3cyclictest70724-21kworker/u16:2+flush-8:019:45:045
8093299128,3cyclictest522598-21cat22:54:565
8093299128,3cyclictest299229-21cat20:59:575
80932991210,2cyclictest214807-21kworker/u16:4+events_unbound20:29:565
80932991210,2cyclictest210730-21kworker/u16:1+events_unbound20:55:065
8093299120,1cyclictest0-21swapper/521:48:345
8093299120,1cyclictest0-21swapper/520:47:245
8093299120,1cyclictest0-21swapper/519:27:385
8093299120,12cyclictest0-21swapper/523:17:205
8092799129,2cyclictest656729-21timerwakeupswit00:00:104
80927991211,1cyclictest0-21swapper/423:41:174
80927991211,1cyclictest0-21swapper/422:18:124
80927991210,2cyclictest70724-21kworker/u16:2+events_unbound20:04:574
8092799120,4cyclictest0-21swapper/423:49:554
8092799120,1cyclictest0-21swapper/419:58:414
8093899117,3cyclictest6450-21gmain20:00:087
8093899117,3cyclictest1267-21snmpd20:41:587
8093899117,3cyclictest1267-21snmpd19:25:177
8093899115,5cyclictest6184-21gvfs-afc-volume20:49:597
8093499118,2cyclictest374614-21needreboot21:35:046
8093499118,2cyclictest0-21swapper/619:39:576
8093499117,3cyclictest493513-21cat22:39:566
80934991110,1cyclictest0-21swapper/623:39:216
80934991110,1cyclictest0-21swapper/623:39:216
80934991110,1cyclictest0-21swapper/623:26:536
80934991110,1cyclictest0-21swapper/621:45:226
80934991110,1cyclictest0-21swapper/621:26:276
80934991110,1cyclictest0-21swapper/621:08:286
80934991110,1cyclictest0-21swapper/620:48:276
80934991110,1cyclictest0-21swapper/620:24:486
80934991110,1cyclictest0-21swapper/619:52:296
8093499110,11cyclictest0-21swapper/621:01:046
8093499110,11cyclictest0-21swapper/620:57:176
8093499110,11cyclictest0-21swapper/619:12:076
8093499110,11cyclictest0-21swapper/600:35:476
8093499110,11cyclictest0-21swapper/600:22:146
8093299119,2cyclictest647197-21kworker/u16:1+events_unbound23:59:415
8093299119,2cyclictest453649-21kworker/u16:0+flush-8:022:34:575
8093299118,2cyclictest403809-21kworker/u16:3+flush-8:023:29:585
8093299118,2cyclictest347926-21irqcore21:24:585
8093299110,11cyclictest0-21swapper/522:53:035
8093299110,11cyclictest0-21swapper/521:41:095
8093299110,11cyclictest0-21swapper/519:53:195
8093299110,11cyclictest0-21swapper/519:35:405
8093299110,11cyclictest0-21swapper/519:35:405
8092799119,2cyclictest403809-21kworker/u16:3+events_unbound23:14:564
8092799118,2cyclictest440235-21kthreadcore22:10:004
80927991110,1cyclictest0-21swapper/423:25:404
80927991110,1cyclictest0-21swapper/422:45:574
80927991110,1cyclictest0-21swapper/421:50:374
80927991110,1cyclictest0-21swapper/421:28:514
80927991110,1cyclictest0-21swapper/420:44:054
8092799110,1cyclictest0-21swapper/420:23:354
8092799110,11cyclictest0-21swapper/421:41:284
8092799110,11cyclictest0-21swapper/421:20:304
8092799110,11cyclictest0-21swapper/420:54:394
8092799110,11cyclictest0-21swapper/420:18:044
8092799110,11cyclictest0-21swapper/420:03:054
8092799110,11cyclictest0-21swapper/419:44:294
8092799110,11cyclictest0-21swapper/419:12:484
626589110,2rtkit-daemon0-21swapper/423:20:224
8093899105,4cyclictest6184-21gvfs-afc-volume20:24:547
8093499109,1cyclictest0-21swapper/623:07:026
8093499109,1cyclictest0-21swapper/621:15:536
8093499109,1cyclictest0-21swapper/620:42:466
8093499109,1cyclictest0-21swapper/620:11:436
8093499109,1cyclictest0-21swapper/619:35:376
8093499109,1cyclictest0-21swapper/619:35:376
8093499104,5cyclictest6010-21gdbus21:30:286
8093299108,2cyclictest162233-21kworker/u16:0+flush-8:020:10:125
8093299106,3cyclictest279816-21cat20:49:575
8092799109,1cyclictest0-21swapper/422:54:284
8092799109,1cyclictest0-21swapper/420:47:524
8092799109,1cyclictest0-21swapper/420:39:024
8092799109,1cyclictest0-21swapper/400:39:374
8092799109,1cyclictest0-21swapper/400:28:354
8092799109,1cyclictest0-21swapper/400:28:354
8092799100,10cyclictest0-21swapper/423:47:544
626589100,1rtkit-daemon0-21swapper/423:38:524
626589100,1rtkit-daemon0-21swapper/423:38:524
626589100,1rtkit-daemon0-21swapper/423:04:224
626589100,1rtkit-daemon0-21swapper/422:58:224
809349998,1cyclictest0-21swapper/620:03:316
809349997,1cyclictest0-21swapper/620:20:026
809349996,2cyclictest0-21swapper/623:00:006
809349990,4cyclictest0-21swapper/623:40:326
809329998,1cyclictest0-21swapper/523:38:375
809329998,1cyclictest0-21swapper/523:38:375
809329998,1cyclictest0-21swapper/522:26:245
809329998,1cyclictest0-21swapper/522:08:545
809329998,1cyclictest0-21swapper/521:06:105
809329998,1cyclictest0-21swapper/520:04:595
809329998,1cyclictest0-21swapper/500:30:575
809329997,2cyclictest715794-21kworker/u16:0+events_unbound00:35:045
809279998,1cyclictest0-21swapper/422:19:474
809279998,1cyclictest0-21swapper/422:08:544
809279998,1cyclictest0-21swapper/421:06:284
809279998,1cyclictest0-21swapper/420:26:254
809279996,2cyclictest0-21swapper/423:29:564
809279994,4cyclictest202568-21kthreadcore20:10:014
809279990,8cyclictest418545-21kthreadcore21:59:594
809279990,8cyclictest418545-21kthreadcore21:59:594
809349987,1cyclictest0-21swapper/621:58:556
809349987,1cyclictest0-21swapper/600:09:466
809349986,1cyclictest0-21swapper/622:05:036
809349986,1cyclictest0-21swapper/619:25:006
809349984,3cyclictest629203-21tune2fs23:49:546
809349984,3cyclictest551698-21cat23:09:556
809349984,3cyclictest484213-21tr22:34:586
809349983,4cyclictest698595-21cut00:24:586
809349983,4cyclictest698595-21cut00:24:586
809349983,4cyclictest503037-21tune2fs22:44:556
809349983,4cyclictest480810-21kthreadcore22:30:026
809349983,4cyclictest454555-21tr22:19:576
809349983,4cyclictest321663-21grep21:10:006
809349983,4cyclictest321663-21grep21:10:006
809349983,4cyclictest281489-21cut20:50:006
809349983,4cyclictest199411-21grep20:05:026
809329987,1cyclictest0-21swapper/523:45:045
809329987,1cyclictest0-21swapper/522:11:545
809329987,1cyclictest0-21swapper/519:43:425
809329986,1cyclictest0-21swapper/519:54:595
809329985,2cyclictest0-21swapper/519:30:005
809329985,2cyclictest0-21swapper/500:24:565
809329985,2cyclictest0-21swapper/500:24:565
809329985,2cyclictest0-21swapper/500:19:595
809329983,4cyclictest187555-21cut19:59:595
809329983,4cyclictest105058-21tune2fs19:19:555
809279987,1cyclictest0-21swapper/423:55:094
809279986,1cyclictest0-21swapper/421:15:014
809279986,1cyclictest0-21swapper/419:29:584
809279985,2cyclictest657693-21cpu00:04:534
809279985,2cyclictest0-21swapper/420:59:574
809279985,2cyclictest0-21swapper/419:50:014
809279984,3cyclictest555537-21cut23:10:004
809279984,3cyclictest357397-21tune2fs21:29:574
809279983,4cyclictest543985-21grep23:04:594
809279983,4cyclictest499496-21tr22:40:014
809279983,4cyclictest464267-21tune2fs22:24:564
809279983,4cyclictest242571-21cut20:29:594
809279983,4cyclictest136453-21cut19:35:014
809279983,4cyclictest136453-21cut19:35:014
809279983,4cyclictest121139-21grep19:25:044
809279983,4cyclictest105021-21fschecks_count19:19:554
809349975,1cyclictest0-21swapper/620:29:596
809349975,1cyclictest0-21swapper/600:04:596
809349974,2cyclictest619300-21entropy23:44:546
809349974,2cyclictest414988-21cpuspeed_turbos21:59:536
809349974,2cyclictest414988-21cpuspeed_turbos21:59:536
809349973,3cyclictest708132-21cat00:29:596
809349973,3cyclictest678653-21cat00:14:566
809349973,3cyclictest337982-21iostat_ios21:19:576
809349973,3cyclictest124207-21cat19:29:536
809349972,4cyclictest174329-21grep19:54:586
809349972,4cyclictest105583-21cut19:19:576
809329975,1cyclictest0-21swapper/521:30:005
809329975,1cyclictest0-21swapper/520:34:565
809329975,1cyclictest0-21swapper/500:04:595
809329974,2cyclictest453868-21cpuspeed22:19:545
809329973,3cyclictest366772-21expr21:34:555
809279974,2cyclictest91500-21kthreadcore19:14:454
809279972,4cyclictest708288-21cut00:29:594
809279972,4cyclictest677571-21expr00:14:514
809329962,3cyclictest580432-21ls23:24:535
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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