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2026-04-01 - 14:32
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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 Wed Apr 01, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69372720,0sleep00-21swapper/009:52:210
65992600,0sleep1231rcuc/110:44:331
182752560,1sleep2674-21dbus-daemon09:42:222
81532550,0sleep10-21swapper/111:12:091
236722550,1sleep223673-21bash10:01:572
104092550,0sleep20-21swapper/209:52:382
298352540,0sleep00-21swapper/012:06:150
54802530,1sleep35481-21sshd12:23:283
225492530,0sleep00-21swapper/011:27:100
256352520,0sleep20-21swapper/210:18:342
230472520,1sleep023045-21sshd12:16:400
94592510,0sleep30-21swapper/309:17:563
202562510,0sleep20-21swapper/210:53:552
116662510,0sleep20-21swapper/211:04:132
102522510,0sleep00-21swapper/010:55:460
56152500,0sleep00-21swapper/009:38:350
45592500,1sleep125-21ksoftirqd/110:16:451
294762500,0sleep30-21swapper/311:19:323
23932490,0sleep10-21swapper/112:37:161
156002490,0sleep10-21swapper/111:40:151
14062490,0sleep20-21swapper/209:32:372
129212490,0sleep3401ktimersoftd/309:52:513
293012480,0sleep10-21swapper/112:08:591
232642480,0sleep10-21swapper/111:07:561
188272470,0sleep018828-21sshd11:51:330
114402470,0sleep30-21swapper/310:47:393
269032460,0sleep10-21swapper/110:54:301
258972460,0sleep00-21swapper/011:35:390
110512450,0sleep10-21swapper/112:15:371
2245923328,3sleep20-21swapper/207:06:172
224342298,7sleep10-21swapper/107:06:001
213562229,7sleep30-21swapper/307:05:143
22868992120,0cyclictest12869-21lspci11:31:502
22868992120,0cyclictest12869-21lspci11:31:502
2245222110,7sleep00-21swapper/007:06:120
69552190,1sleep3674-21dbus-daemon12:31:483
2286299184,7cyclictest674-21dbus-daemon10:58:271
104392180,1sleep210440-21grepconf.sh09:14:092
2286299170,1cyclictest30806-21lspci09:12:421
2286299170,1cyclictest15256-21sshd12:29:501
59432160,1sleep25946-21bash12:31:442
31392160,0sleep20-21swapper/211:17:142
2286299164,6cyclictest649-21polkitd12:12:211
2286299163,7cyclictest649-21polkitd09:30:031
2286299160,2cyclictest4333-21id11:55:461
2286299160,11cyclictest0-21swapper/111:47:191
31272150,0sleep30-21swapper/311:14:313
283612150,0sleep00-21swapper/011:33:100
283612150,0sleep00-21swapper/011:33:090
22874991514,0cyclictest401ktimersoftd/309:39:493
2286299154,5cyclictest17458-21sshd10:23:221
2286299153,7cyclictest674-21dbus-daemon10:36:121
2286299152,6cyclictest674-21dbus-daemon11:23:231
2286299150,8cyclictest1-21systemd10:32:101
2286299150,5cyclictest674-21dbus-daemon11:04:211
2286299150,1cyclictest4479-21sshd09:38:301
2286299150,1cyclictest22180-21sshd09:42:421
2286299150,1cyclictest0-21swapper/109:51:181
2285599152,1cyclictest111rcuc/011:02:010
2285599150,1cyclictest4221-21sshd11:06:170
16932150,0sleep00-21swapper/010:49:360
2287499140,1cyclictest32755-21sshd11:25:163
22868991414,0cyclictest321ktimersoftd/208:11:102
2286299145,5cyclictest660-21avahi-daemon09:23:381
2286299143,7cyclictest674-21dbus-daemon09:46:181
2286299143,6cyclictest649-21polkitd09:15:081
2286299143,5cyclictest649-21polkitd12:22:211
2286299142,5cyclictest19970-21sshd12:32:571
2286299141,6cyclictest674-21dbus-daemon10:46:511
2286299140,1cyclictest28750-21bash10:29:491
2286299140,1cyclictest1-21systemd11:38:421
2285599143,3cyclictest9-21ksoftirqd/012:13:270
2285599143,1cyclictest9-21ksoftirqd/010:31:220
2285599140,1cyclictest19628-21lspci09:45:140
182112140,1sleep218214-21bash11:29:362
107522140,0sleep1231rcuc/112:01:511
36792130,0sleep00-21swapper/009:17:120
29142130,0sleep20-21swapper/210:05:372
2286899133,2cyclictest649-21polkitd09:27:052
22868991313,0cyclictest321ktimersoftd/207:34:012
22868991311,1cyclictest33-21ksoftirqd/211:57:412
22868991311,1cyclictest25367-21sshd10:37:512
22868991311,1cyclictest0-21swapper/209:47:312
2286299135,4cyclictest5034-21lspci09:29:101
2286299134,5cyclictest649-21polkitd10:01:321
2286299133,7cyclictest20251-21cat08:20:151
2286299133,6cyclictest649-21polkitd11:30:511
2286299133,6cyclictest649-21polkitd11:30:511
2286299133,4cyclictest9910-21lspci10:11:441
2286299130,1cyclictest28595-21sshd09:56:541
2286299130,1cyclictest21940-21sshd11:16:031
2286299130,12cyclictest30858-21tty11:25:091
2285599134,3cyclictest9-21ksoftirqd/011:10:480
2285599134,2cyclictest9-21ksoftirqd/009:23:000
2285599133,1cyclictest9-21ksoftirqd/009:58:290
2285599132,1cyclictest9-21ksoftirqd/009:33:280
2285599131,1cyclictest101ktimersoftd/010:05:380
2285599130,12cyclictest23063-21sshd12:33:130
16252130,0sleep30-21swapper/310:44:063
22874991210,1cyclictest30889-21kworker/3:112:16:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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