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2026-06-04 - 22:57
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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 the highest latencies:
System rackcslot2.osadl.org (updated Thu Jun 04, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1374027251,16sleep00-21swapper/007:08:380
1353127158,8sleep10-21swapper/107:06:261
1393599292,25cyclictest0-21swapper/109:27:201
13934992916,11cyclictest0-21swapper/007:38:410
13935992810,3cyclictest0-21swapper/112:27:421
13935992810,13cyclictest0-21swapper/107:12:421
1393599280,17cyclictest1307-21mailstats11:24:041
13935992711,10cyclictest0-21swapper/108:34:001
13935992710,10cyclictest0-21swapper/111:36:411
13935992710,0cyclictest0-21swapper/111:59:031
13935992620,5cyclictest23776-21apache210:16:081
1393599260,19cyclictest0-21swapper/110:27:181
13934992626,0cyclictest0-21swapper/012:00:340
13934992624,1cyclictest0-21swapper/011:01:230
13934992610,2cyclictest0-21swapper/010:19:230
13934992610,11cyclictest0-21swapper/010:50:250
1393599252,17cyclictest0-21swapper/107:54:071
13934992524,0cyclictest0-21swapper/010:16:170
13934992410,7cyclictest0-21swapper/009:06:490
1393599235,11cyclictest0-21swapper/109:39:021
13935992323,0cyclictest0-21swapper/109:07:531
13935992319,2cyclictest23763-21apache210:59:481
13935992312,5cyclictest0-21swapper/109:14:561
13935992310,8cyclictest0-21swapper/108:48:571
13935992310,2cyclictest0-21swapper/109:19:581
13935992310,10cyclictest0-21swapper/110:08:501
13934992318,4cyclictest23289-21sshd11:10:140
13934992311,1cyclictest0-21swapper/009:34:370
13934992310,6cyclictest0-21swapper/011:19:030
13934992310,4cyclictest0-21swapper/011:33:310
13934992310,4cyclictest0-21swapper/009:53:590
13934992310,4cyclictest0-21swapper/008:14:010
1393599224,16cyclictest0-21swapper/108:59:031
1393599222,1cyclictest27797-21diskmemload09:57:321
13935992219,1cyclictest0-21swapper/107:26:541
13935992210,7cyclictest0-21swapper/112:13:571
13935992210,6cyclictest0-21swapper/111:11:451
13935992210,5cyclictest0-21swapper/109:43:561
13935992210,4cyclictest0-21swapper/110:29:051
1393599220,21cyclictest0-21swapper/111:58:221
1393499225,8cyclictest9038-21/usr/sbin/munin11:34:050
1393499224,17cyclictest0-21swapper/010:23:560
1393499220,14cyclictest16033-21kworker/u4:210:38:010
1797922110,0sleep10-21swapper/112:29:311
1393599216,8cyclictest7567-21kworker/1:012:04:071
1393599216,11cyclictest0-21swapper/107:59:001
1393599214,8cyclictest0-21swapper/112:19:041
1393599214,11cyclictest0-21swapper/112:09:021
1393599212,11cyclictest0-21swapper/108:39:021
13935992118,1cyclictest0-21swapper/110:07:101
13935992117,2cyclictest0-21swapper/112:33:481
13935992113,5cyclictest6640-21idleruntime-cro08:13:471
13935992110,7cyclictest0-21swapper/110:00:341
13935992110,7cyclictest0-21swapper/107:49:131
13935992110,5cyclictest0-21swapper/111:45:021
1393499217,8cyclictest0-21swapper/007:28:580
1393499213,17cyclictest0-21swapper/012:23:340
1393499212,11cyclictest0-21swapper/008:03:580
13934992115,4cyclictest23763-21apache211:23:470
13934992111,6cyclictest100150irq/106-eth1-rx10:02:450
13934992110,7cyclictest0-21swapper/012:26:380
13934992110,6cyclictest0-21swapper/012:05:320
13934992110,5cyclictest0-21swapper/008:48:570
13934992110,4cyclictest0-21swapper/010:44:020
13934992110,4cyclictest0-21swapper/010:07:230
2941922010,0sleep10-21swapper/109:09:131
1393599207,5cyclictest0-21swapper/108:54:031
1393599205,13cyclictest0-21swapper/107:33:571
1393599204,9cyclictest0-21swapper/111:19:061
13935992016,1cyclictest4980-21swap11:29:061
13935992010,6cyclictest0-21swapper/111:50:591
13935992010,3cyclictest0-21swapper/110:49:541
1393499206,13cyclictest19778-21timerandwakeup09:39:060
1393499204,12cyclictest0-21swapper/007:09:030
13934992017,3cyclictest0-21swapper/007:22:570
1393499201,18cyclictest16661-21kworker/u4:111:57:100
13934992011,7cyclictest23776-21apache209:12:030
13934992010,6cyclictest0-21swapper/008:09:020
13934992010,4cyclictest0-21swapper/008:38:560
13934992010,3cyclictest0-21swapper/011:14:590
13934992010,3cyclictest0-21swapper/010:38:560
1393499200,4cyclictest0-21swapper/011:41:240
1393599199,6cyclictest13102-21sh11:39:491
1393599199,3cyclictest7874-21timerandwakeup08:14:051
1393599193,8cyclictest0-21swapper/108:43:571
1393599193,5cyclictest28062-21fschecks_time10:33:581
13935991913,5cyclictest0-21swapper/107:39:011
13935991910,5cyclictest0-21swapper/109:49:581
13935991910,4cyclictest0-21swapper/110:44:051
1393599190,7cyclictest0-21swapper/109:37:311
1393499192,1cyclictest0-21swapper/011:50:370
13934991913,4cyclictest23776-21apache212:30:210
13934991911,4cyclictest0-21swapper/012:34:050
13934991910,6cyclictest0-21swapper/007:38:590
13934991910,5cyclictest0-21swapper/009:23:480
13934991910,4cyclictest0-21swapper/007:24:050
13934991910,3cyclictest0-21swapper/011:07:170
13934991910,3cyclictest0-21swapper/007:47:140
13934991910,2cyclictest0-21swapper/010:08:570
13934991910,1cyclictest0-21swapper/009:46:020
13934991910,1cyclictest0-21swapper/009:29:540
2918221810,0sleep10-21swapper/107:46:211
1667821810,0sleep00-21swapper/007:14:050
1393599189,3cyclictest231ktimersoftd/107:14:121
1393599185,5cyclictest0-21swapper/110:19:011
1393599184,9cyclictest0-21swapper/110:38:571
1393599183,10cyclictest0-21swapper/110:56:111
1393599182,8cyclictest0-21swapper/108:19:001
1393599182,6cyclictest0-21swapper/107:29:431
13935991814,3cyclictest23776-21apache211:04:001
13935991810,8cyclictest0-21swapper/111:13:501
13935991810,4cyclictest0-21swapper/108:24:011
13935991810,2cyclictest0-21swapper/108:05:061
1393499187,6cyclictest0-21swapper/008:54:030
13934991811,2cyclictest0-21swapper/011:43:570
13934991811,2cyclictest0-21swapper/009:48:560
13934991810,3cyclictest0-21swapper/010:54:370
13934991810,0cyclictest0-21swapper/012:10:080
13934991810,0cyclictest0-21swapper/007:58:590
13935991710,4cyclictest0-21swapper/109:30:071
1393599170,1cyclictest19348-21runrttasks07:21:431
1393499172,11cyclictest0-21swapper/009:18:560
13934991710,4cyclictest0-21swapper/009:15:520
13934991710,4cyclictest0-21swapper/008:45:210
13934991710,3cyclictest0-21swapper/008:23:510
1393599163,8cyclictest0-21swapper/108:28:571
1393499164,8cyclictest0-21swapper/010:28:570
1393499161,6cyclictest31958-21/usr/sbin/munin07:54:000
13934991610,4cyclictest0-21swapper/007:49:020
13934991610,3cyclictest0-21swapper/008:58:470
13934991510,3cyclictest0-21swapper/008:18:570
1393499143,9cyclictest0-21swapper/008:30:270
13934991412,0cyclictest14689-21df_inode08:33:590
13934991311,1cyclictest5619-21rm12:14:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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