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2026-04-01 - 01:23
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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 100 highest latencies:
System rack2slot0.osadl.org (updated Tue Mar 31, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2690321000,0sleep226871-21sshd09:59:582
220192980,2sleep21628699cyclictest09:34:592
166302970,1sleep11627999cyclictest09:59:051
180392730,0sleep10-21swapper/112:23:571
69342640,1sleep0674-21dbus-daemon11:58:250
278432570,0sleep10-21swapper/109:32:341
214582560,0sleep30-21swapper/309:43:053
255242550,0sleep10-21swapper/111:21:411
62262540,2sleep01627399cyclictest11:52:520
295002540,1sleep329494-21sshd10:30:113
255662540,1sleep125-21ksoftirqd/112:02:421
94002530,0sleep10-21swapper/111:31:141
225832530,2sleep11627999cyclictest11:59:461
195272530,0sleep10-21swapper/111:07:311
138092530,0sleep10-21swapper/110:47:561
304352520,0sleep00-21swapper/010:52:030
245462520,1sleep024542-21sshd09:46:020
114442520,0sleep00-21swapper/012:01:290
302192510,2sleep11627999cyclictest10:13:511
29402510,1sleep22934-21bash10:03:242
29912500,0sleep30-21swapper/311:14:213
227032500,0sleep20-21swapper/211:56:582
57902490,1sleep25731-21sshd09:41:452
40472490,0sleep10-21swapper/111:11:401
218912490,1sleep3391rcuc/310:48:383
190182490,0sleep319015-21lspci10:21:023
180522490,1sleep218048-21lspci12:15:402
158672490,2sleep21628699cyclictest09:53:342
105522490,0sleep010550-21lspci12:31:280
305652480,1sleep230562-21sshd10:35:392
278822480,0sleep00-21swapper/011:27:210
264792480,0sleep10-21swapper/111:27:131
67062470,0sleep30-21swapper/310:14:383
70002460,0sleep20-21swapper/210:47:202
1437424326,7sleep10-21swapper/107:05:041
208402400,2sleep31629099cyclictest09:59:273
146612400,0sleep30-21swapper/311:28:593
176122370,2sleep31629099cyclictest12:23:553
1582823518,6sleep30-21swapper/307:05:473
1588122918,6sleep20-21swapper/207:06:262
1580522111,6sleep00-21swapper/007:05:270
33432180,1sleep148-21kauditd10:36:061
140352180,0sleep10-21swapper/111:17:591
113012180,1sleep011293-21sshd10:12:140
227212170,1sleep222715-21sshd09:48:422
16279991716,0cyclictest15942-21lspci11:48:141
247292160,0sleep00-21swapper/009:43:230
220242160,0sleep20-21swapper/211:18:412
198882160,0sleep30-21swapper/309:45:383
190682160,1sleep119067-21sshd12:10:191
16279991616,0cyclictest527-40kipmi010:17:091
16279991616,0cyclictest22948-21kworker/1:012:38:041
16279991513,1cyclictest20097-21kworker/1:209:35:541
149232150,0sleep00-21swapper/010:39:530
42542140,0sleep24251-21lspci11:11:402
42012140,0sleep10-21swapper/109:49:521
228332140,1sleep122827-21lspci10:43:161
184672140,0sleep30-21swapper/311:04:443
16279991413,0cyclictest27826-21lspci11:02:451
16279991413,0cyclictest21521-21kworker/1:211:35:301
16279991412,1cyclictest27555-21kworker/1:209:50:061
16279991412,1cyclictest21521-21kworker/1:211:42:151
3452130,0sleep20-21swapper/209:05:202
3452130,0sleep20-21swapper/209:05:202
1629099130,1cyclictest20035-21sshd12:10:223
1629099130,1cyclictest11371-21systemd-cgroups10:53:123
1628699135,3cyclictest33-21ksoftirqd/210:05:132
1628699133,1cyclictest33-21ksoftirqd/210:57:562
16279991313,0cyclictest241ktimersoftd/108:17:311
1627999130,12cyclictest7686-21sshd12:06:371
16273991311,1cyclictest0-21swapper/010:09:320
150362130,0sleep20-21swapper/211:50:492
106172130,0sleep00-21swapper/012:06:530
321252120,1sleep032122-21sshd09:33:050
229652120,0sleep20-21swapper/209:35:042
220342120,0sleep00-21swapper/009:16:160
1629099120,11cyclictest0-21swapper/310:05:413
16286991211,0cyclictest15911-21lspci11:26:182
16286991210,1cyclictest0-21swapper/211:39:092
1628699120,1cyclictest9921-21bash11:20:192
1628699120,1cyclictest16228-21lspci11:31:492
1628699120,1cyclictest0-21swapper/212:38:492
16279991211,0cyclictest14227-21kworker/1:009:40:561
16279991211,0cyclictest11709-21lspci10:20:231
16279991210,1cyclictest26324-21sshd10:02:381
1627399120,11cyclictest28192-21sshd10:16:220
1627399120,11cyclictest14906-21sshd10:48:020
1627399120,11cyclictest11516-21grepconf.sh11:42:210
1627399120,11cyclictest0-21swapper/010:55:520
1629099119,1cyclictest0-21swapper/311:22:423
1629099117,2cyclictest660-21avahi-daemon11:52:503
16290991110,0cyclictest0-21swapper/311:17:423
1629099110,10cyclictest0-21swapper/311:36:513
1629099110,10cyclictest0-21swapper/309:30:113
1629099110,0cyclictest75750irq/24-eno1-rx-11:05:423
16286991110,0cyclictest18337-21lspci11:04:432
16286991110,0cyclictest0-21swapper/210:29:292
1628699110,0cyclictest0-21swapper/212:06:482
1627999113,1cyclictest25-21ksoftirqd/112:18:031
16279991111,0cyclictest14216-21kworker/1:210:26:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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