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2026-03-11 - 17:28
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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
Characteristics of all highest latencies:
System rackcslot2.osadl.org (updated Wed Mar 11, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2647321160,2sleep12231199cyclictest11:51:401
2184327337,31sleep00-21swapper/007:06:270
2169527354,8sleep10-21swapper/107:04:531
22311993636,0cyclictest0-21swapper/111:32:051
22310993310,21cyclictest0-21swapper/009:59:410
158312330,0sleep015833-21cat08:14:410
22311993210,20cyclictest0-21swapper/109:02:301
22311993030,0cyclictest0-21swapper/112:21:191
22311993030,0cyclictest0-21swapper/107:45:311
22311992919,9cyclictest32117-21apache210:13:311
22310992929,0cyclictest0-21swapper/010:14:030
22311992720,6cyclictest32117-21apache212:09:291
22311992710,13cyclictest0-21swapper/110:58:581
22310992710,7cyclictest0-21swapper/011:28:550
22310992610,8cyclictest0-21swapper/010:54:240
22311992525,0cyclictest231ktimersoftd/109:50:441
22311992512,9cyclictest167-21systemd-journal08:34:251
22311992510,4cyclictest13847-21apache207:34:251
22310992410,9cyclictest0-21swapper/012:37:040
22310992410,5cyclictest0-21swapper/008:44:410
2231199237,15cyclictest0-21swapper/112:28:251
22311992323,0cyclictest0-21swapper/107:42:001
22311992321,1cyclictest31410-21grep09:44:461
22311992318,5cyclictest0-21swapper/107:32:071
22311992311,12cyclictest0-21swapper/109:43:091
22311992310,2cyclictest0-21swapper/111:01:471
22310992320,2cyclictest0-21swapper/010:15:520
22310992313,7cyclictest32117-21apache211:05:130
22310992310,7cyclictest0-21swapper/007:39:380
22310992310,3cyclictest0-21swapper/012:24:360
2049422310,1sleep10-21swapper/111:44:231
2231199225,9cyclictest0-21swapper/108:54:361
22311992220,1cyclictest9986-21irqstats10:44:401
22311992216,4cyclictest32117-21apache209:21:471
2231099225,12cyclictest0-21swapper/008:49:390
2231099224,11cyclictest0-21swapper/012:29:340
22310992222,0cyclictest0-21swapper/011:37:480
22310992222,0cyclictest0-21swapper/009:57:460
2231099222,11cyclictest0-21swapper/008:24:420
22310992220,1cyclictest7-21ksoftirqd/009:19:440
22310992220,1cyclictest0-21swapper/011:59:340
22310992210,5cyclictest0-21swapper/010:55:510
181222210,0sleep00-21swapper/011:18:280
2380522110,0sleep10-21swapper/111:48:461
2231199214,9cyclictest0-21swapper/107:59:401
2231199213,15cyclictest0-21swapper/108:19:371
2231199212,12cyclictest0-21swapper/107:09:381
22311992117,3cyclictest32117-21apache211:57:541
22311992116,2cyclictest3986-21ssh09:09:311
22311992110,7cyclictest0-21swapper/111:09:371
22311992110,6cyclictest0-21swapper/110:07:211
22311992110,6cyclictest0-21swapper/110:07:211
22311992110,5cyclictest0-21swapper/107:54:421
22311992110,4cyclictest0-21swapper/108:09:361
22311992110,2cyclictest0-21swapper/110:34:211
2231099218,10cyclictest0-21swapper/010:04:420
2231099218,10cyclictest0-21swapper/010:04:420
2231099215,8cyclictest0-21swapper/007:19:370
2231099214,12cyclictest0-21swapper/011:19:360
22310992120,0cyclictest10159-21hddtemp_smartct11:29:370
22310992110,8cyclictest0-21swapper/012:22:410
22310992110,6cyclictest0-21swapper/011:09:390
22310992110,5cyclictest0-21swapper/009:14:480
22310992110,4cyclictest0-21swapper/007:24:380
22310992110,3cyclictest0-21swapper/009:09:260
2231199204,11cyclictest20774-21munin-run08:29:261
22311992018,1cyclictest0-21swapper/108:39:371
22311992011,5cyclictest0-21swapper/110:43:391
22311992011,2cyclictest0-21swapper/109:26:121
22311992010,9cyclictest0-21swapper/112:29:331
22311992010,7cyclictest0-21swapper/108:38:521
22311992010,6cyclictest0-21swapper/112:08:231
22311992010,6cyclictest0-21swapper/109:34:351
22311992010,6cyclictest0-21swapper/107:26:191
22311992010,5cyclictest0-21swapper/112:34:371
22311992010,4cyclictest0-21swapper/109:14:391
2231099207,6cyclictest0-21swapper/012:04:390
2231099206,8cyclictest0-21swapper/010:44:360
2231099205,8cyclictest0-21swapper/008:19:370
22310992016,2cyclictest0-21swapper/012:16:400
22310992010,7cyclictest0-21swapper/011:54:400
22310992010,6cyclictest0-21swapper/011:50:140
22310992010,3cyclictest0-21swapper/009:24:500
1706222010,0sleep00-21swapper/011:39:380
2231199194,6cyclictest13313-21/usr/sbin/munin11:34:371
2231199193,10cyclictest0-21swapper/111:24:361
22311991914,5cyclictest32117-21apache210:20:591
22311991910,8cyclictest0-21swapper/110:18:451
22311991910,6cyclictest0-21swapper/109:59:441
22311991910,6cyclictest0-21swapper/109:32:031
22311991910,3cyclictest0-21swapper/110:24:281
22310991914,3cyclictest802-21apache210:39:020
22310991911,2cyclictest0-21swapper/007:44:400
22310991910,7cyclictest0-21swapper/008:54:380
22310991910,5cyclictest0-21swapper/009:42:560
22310991910,4cyclictest0-21swapper/011:44:380
22310991910,4cyclictest0-21swapper/007:49:430
22310991910,3cyclictest0-21swapper/008:34:380
22310991910,1cyclictest0-21swapper/007:35:120
2231099190,7cyclictest0-21swapper/012:12:420
2231199184,7cyclictest0-21swapper/112:14:361
2231199183,10cyclictest0-21swapper/111:04:481
22311991813,2cyclictest16655-21sshd08:16:441
22311991810,4cyclictest0-21swapper/112:01:071
22311991810,4cyclictest0-21swapper/111:14:441
22311991810,4cyclictest0-21swapper/107:49:451
22311991810,3cyclictest0-21swapper/111:19:361
22311991810,3cyclictest0-21swapper/110:52:291
22311991810,0cyclictest0-21swapper/107:23:471
2231099185,11cyclictest0-21swapper/008:39:420
2231099182,12cyclictest0-21swapper/010:29:420
22310991811,4cyclictest100250irq/107-eth1-rx10:21:050
22310991810,4cyclictest0-21swapper/010:24:290
22310991810,4cyclictest0-21swapper/009:34:350
22310991810,3cyclictest0-21swapper/010:39:360
22310991810,3cyclictest0-21swapper/007:54:450
2231099180,6cyclictest0-21swapper/009:34:000
2231199172,10cyclictest0-21swapper/109:04:401
22311991714,1cyclictest231ktimersoftd/109:55:071
22311991714,0cyclictest100450irq/109-eth1-tx10:37:291
2231099175,7cyclictest0-21swapper/008:09:450
22310991715,1cyclictest31463-21ssh09:44:490
22310991713,3cyclictest15144-21kworker/u4:110:59:430
22310991710,3cyclictest0-21swapper/008:59:380
22310991710,3cyclictest0-21swapper/008:01:010
22310991710,3cyclictest0-21swapper/007:14:410
22310991710,2cyclictest0-21swapper/009:49:280
2231199163,9cyclictest0-21swapper/107:14:411
22311991610,3cyclictest0-21swapper/108:51:051
2231099164,8cyclictest0-21swapper/007:29:350
22310991610,3cyclictest0-21swapper/009:04:410
22310991610,0cyclictest0-21swapper/007:09:320
2800321510,1sleep10-21swapper/108:44:571
2231199153,8cyclictest0-21swapper/108:04:361
2231099152,9cyclictest0-21swapper/008:04:440
22310991510,3cyclictest0-21swapper/008:29:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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