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2026-09-12 - 14:38
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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 Sat Sep 12, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302712690,1sleep00-21swapper/022:45:340
1167026956,8sleep10-21swapper/119:04:271
1198326654,8sleep00-21swapper/019:07:410
12186993310,0cyclictest0-21swapper/123:03:431
12186993010,0cyclictest0-21swapper/121:59:231
12186992929,0cyclictest0-21swapper/121:27:431
1218699292,26cyclictest0-21swapper/121:18:041
12186992827,1cyclictest0-21swapper/123:34:061
12185992810,0cyclictest0-21swapper/020:06:270
12186992718,9cyclictest0-21swapper/122:04:341
12185992710,12cyclictest0-21swapper/023:33:500
1218699269,17cyclictest0-21swapper/121:09:121
12186992626,0cyclictest0-21swapper/119:32:551
12186992611,9cyclictest0-21swapper/120:53:121
12185992610,0cyclictest0-21swapper/021:51:050
12186992520,4cyclictest7004-21apache223:19:171
1218699251,22cyclictest0-21swapper/121:28:061
12186992510,0cyclictest0-21swapper/123:15:081
1218599255,14cyclictest0-21swapper/022:53:080
12185992521,3cyclictest7004-21apache221:36:200
12185992518,4cyclictest6982-21apache220:57:070
1218599250,0cyclictest0-21swapper/021:46:380
1218699244,13cyclictest0-21swapper/123:53:081
12186992419,4cyclictest6982-21apache223:01:001
1218699240,14cyclictest0-21swapper/100:28:051
1218699240,13cyclictest0-21swapper/120:38:141
1218599243,20cyclictest0-21swapper/000:08:360
12185992423,0cyclictest0-21swapper/023:02:120
12185992422,1cyclictest6884-21latency_hist22:12:550
1218699235,8cyclictest0-21swapper/121:48:401
1218699234,10cyclictest0-21swapper/122:28:081
12186992310,8cyclictest0-21swapper/123:48:141
12186992310,6cyclictest0-21swapper/122:09:281
12186992310,6cyclictest0-21swapper/120:48:151
12185992323,0cyclictest0-21swapper/022:26:110
12185992319,3cyclictest0-21swapper/022:18:060
12185992318,5cyclictest7004-21apache200:17:420
12185992318,3cyclictest6982-21apache223:28:160
12185992310,9cyclictest0-21swapper/022:02:290
12185992310,4cyclictest0-21swapper/000:18:070
12185992310,4cyclictest0-21swapper/000:18:070
37502220,1sleep00-21swapper/023:41:150
1218699228,9cyclictest0-21swapper/120:13:061
12186992217,1cyclictest1199-21runrttasks19:24:121
12186992216,5cyclictest7004-21apache222:39:031
12186992216,4cyclictest6982-21apache223:40:131
12186992214,6cyclictest0-21swapper/121:03:051
12186992210,2cyclictest0-21swapper/121:53:111
12186992210,11cyclictest0-21swapper/123:24:021
1218599221,10cyclictest20751-21/usr/sbin/munin23:18:120
12185992210,6cyclictest0-21swapper/020:51:330
12185992210,10cyclictest0-21swapper/020:16:420
1218699215,14cyclictest0-21swapper/122:33:101
1218699214,9cyclictest29953-21ssh21:13:081
1218699213,8cyclictest0-21swapper/100:17:341
12186992119,1cyclictest7004-21apache223:30:561
12186992112,3cyclictest0-21swapper/120:18:101
12186992110,6cyclictest0-21swapper/120:43:081
12186992110,6cyclictest0-21swapper/100:33:141
1218599215,12cyclictest0-21swapper/023:13:110
1218599214,14cyclictest0-21swapper/021:30:490
12185992120,0cyclictest7-21ksoftirqd/023:04:010
12185992116,2cyclictest0-21swapper/021:11:310
12185992115,5cyclictest0-21swapper/023:51:550
12185992111,3cyclictest0-21swapper/021:23:140
12185992110,4cyclictest0-21swapper/023:43:400
1218599210,17cyclictest0-21swapper/021:41:270
1218599210,12cyclictest0-21swapper/019:28:140
2327922010,0sleep00-21swapper/019:35:110
1218699205,7cyclictest0-21swapper/122:13:111
1218699205,7cyclictest0-21swapper/119:43:061
1218699203,10cyclictest0-21swapper/119:13:141
1218699202,8cyclictest0-21swapper/119:53:061
12186992018,2cyclictest19185-1kworker/u5:122:44:181
12186992012,4cyclictest100250irq/107-eth1-rx22:20:341
12186992010,6cyclictest0-21swapper/122:48:091
12186992010,5cyclictest0-21swapper/120:08:101
12186992010,5cyclictest0-21swapper/100:06:591
12186992010,5cyclictest0-21swapper/100:02:531
1218599208,6cyclictest25783-21diskmemload00:28:110
1218599208,6cyclictest25783-21diskmemload00:03:050
1218599205,5cyclictest0-21swapper/019:08:120
1218599204,8cyclictest0-21swapper/022:38:130
12185992017,0cyclictest1188-21df21:18:050
12185992014,1cyclictest0-21swapper/020:47:550
12185992010,0cyclictest0-21swapper/019:58:110
3203121910,0sleep00-21swapper/021:15:320
1218699194,8cyclictest0-21swapper/120:03:101
1218699191,9cyclictest0-21swapper/123:43:091
12186991919,0cyclictest0-21swapper/121:34:141
12186991911,5cyclictest7004-21apache221:02:361
12186991910,7cyclictest0-21swapper/100:24:091
12186991910,5cyclictest0-21swapper/121:38:151
12186991910,5cyclictest0-21swapper/100:22:311
12186991910,5cyclictest0-21swapper/100:22:311
1218599198,5cyclictest23732-21/usr/sbin/munin19:38:070
1218599192,12cyclictest0-21swapper/020:08:160
12185991917,1cyclictest6982-21apache222:14:290
12185991912,4cyclictest6982-21apache222:34:590
12185991910,6cyclictest0-21swapper/021:03:060
12185991910,4cyclictest0-21swapper/020:37:570
12185991910,3cyclictest0-21swapper/022:02:580
12185991910,3cyclictest0-21swapper/020:28:060
1218599190,2cyclictest0-21swapper/000:01:370
2375721810,1sleep00-21swapper/021:01:560
1218699186,11cyclictest0-21swapper/120:28:071
1218699181,9cyclictest0-21swapper/119:08:091
12186991818,0cyclictest0-21swapper/122:25:231
12186991813,2cyclictest0-21swapper/119:18:151
12186991811,2cyclictest0-21swapper/122:53:151
12186991810,3cyclictest134-21jbd2/sda1-819:38:151
12186991810,3cyclictest0-21swapper/121:42:561
12186991810,2cyclictest0-21swapper/119:48:051
1218599184,10cyclictest0-21swapper/019:43:060
1218599182,15cyclictest0-21swapper/000:32:580
12185991814,4cyclictest6982-21apache200:24:070
12185991810,2cyclictest0-21swapper/023:08:070
1218599180,4cyclictest12335-21ntp_states23:53:120
55921710,0sleep10-21swapper/120:01:321
1218699172,5cyclictest0-21swapper/123:08:131
12186991710,3cyclictest0-21swapper/100:09:001
1218599174,8cyclictest0-21swapper/020:18:110
1218599172,9cyclictest0-21swapper/023:25:460
1218599172,7cyclictest0-21swapper/019:23:080
1218599172,11cyclictest0-21swapper/019:53:100
12185991710,5cyclictest0-21swapper/022:28:450
12185991710,2cyclictest0-21swapper/019:13:110
1218699161,8cyclictest0-21swapper/120:33:151
12186991610,4cyclictest0-21swapper/120:23:061
12186991610,1cyclictest0-21swapper/119:32:551
1218599162,6cyclictest0-21swapper/022:48:050
1218599161,9cyclictest0-21swapper/020:23:060
12185991610,0cyclictest0-21swapper/021:56:270
1218599160,6cyclictest17700-21kworker/0:319:52:550
1218599151,7cyclictest0-21swapper/020:33:060
1218599149,3cyclictest7-21ksoftirqd/019:18:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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