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2026-04-02 - 16:34
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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 Thu Apr 02, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1724621140,2sleep21704699cyclictest11:52:332
294052950,1sleep3674-21dbus-daemon10:47:413
166072770,0sleep30-21swapper/310:05:273
128812740,1sleep2321ktimersoftd/211:46:402
145602730,1sleep0674-21dbus-daemon11:52:190
169382580,1sleep3674-21dbus-daemon11:14:043
287342570,0sleep10-21swapper/110:31:091
152082560,0sleep00-21swapper/010:05:190
214622530,0sleep00-21swapper/012:25:510
212372520,0sleep10-21swapper/112:20:181
164182520,0sleep0101ktimersoftd/012:22:420
39352510,0sleep30-21swapper/310:29:063
22612500,1sleep02250-21sshd11:26:310
53482490,0sleep10-21swapper/112:38:181
93912480,0sleep39392-21bash09:42:483
77792480,0sleep1241ktimersoftd/111:51:431
74792480,0sleep10-21swapper/111:32:291
18912480,0sleep00-21swapper/011:56:420
120302470,0sleep30-21swapper/309:59:383
80422460,1sleep3391rcuc/311:02:193
316782460,0sleep20-21swapper/211:09:512
316782460,0sleep20-21swapper/211:09:512
72652450,0sleep00-21swapper/010:23:550
265432420,2sleep01703599cyclictest11:20:180
105222380,0sleep20-21swapper/209:51:032
165932308,7sleep10-21swapper/107:05:491
167472288,7sleep20-21swapper/207:07:482
167992277,7sleep00-21swapper/007:08:250
1661922614,7sleep30-21swapper/307:06:083
39532210,0sleep10-21swapper/110:59:151
186422190,2sleep11704299cyclictest09:57:161
125812180,0sleep3699-21gdbus10:35:153
100932180,1sleep110094-21kworker/u8:111:27:121
52562170,0sleep10-21swapper/112:10:421
47332170,1sleep0699-21gdbus10:31:510
277072170,0sleep10-21swapper/111:04:011
27392160,0sleep00-21swapper/009:30:280
88762150,0sleep10-21swapper/110:21:151
36582150,1sleep13631-21sshd09:26:431
17046991513,1cyclictest0-21swapper/210:09:062
109172150,1sleep20-21swapper/210:43:222
305392140,0sleep20-21swapper/211:37:102
295322140,0sleep229530-21lspci11:28:532
262652140,0sleep10-21swapper/109:21:391
252862140,0sleep10-21swapper/111:09:181
252862140,0sleep10-21swapper/111:09:181
221132140,0sleep00-21swapper/010:14:130
201772140,0sleep30-21swapper/311:06:033
201772140,0sleep30-21swapper/311:06:023
53242130,0sleep20-21swapper/210:18:152
195232130,0sleep20-21swapper/211:00:302
183432130,0sleep30-21swapper/310:02:543
17047991312,0cyclictest0-21swapper/310:32:063
17047991311,1cyclictest710-21NetworkManager12:21:163
1704799130,12cyclictest8210-21lspci12:02:463
17046991311,1cyclictest0-21swapper/209:33:262
1704699130,1cyclictest674-21dbus-daemon12:25:062
1704699130,11cyclictest0-21swapper/212:17:562
1704299135,1cyclictest25-21ksoftirqd/110:49:361
1704299131,1cyclictest25-21ksoftirqd/109:15:211
17042991311,1cyclictest19686-21lspci10:19:311
1704299130,1cyclictest16050-21bash11:25:011
1703599137,1cyclictest26797-21grepconf.sh10:17:190
1703599135,2cyclictest660-21avahi-daemon12:33:270
17035991311,1cyclictest20086-21sshd10:55:080
1703599130,12cyclictest0-21swapper/011:13:190
1703599130,0cyclictest0-21swapper/011:38:290
17047991210,1cyclictest0-21swapper/311:23:363
1704799120,1cyclictest642-21systemd-logind09:39:053
1704799120,11cyclictest623-17sedispatch10:57:463
1704799120,11cyclictest0-21swapper/309:54:363
1704799120,11cyclictest0-21swapper/309:24:063
17046991210,1cyclictest1026-21sshd12:30:452
17046991210,1cyclictest0-21swapper/211:16:452
1704699120,1cyclictest9007-21sshd09:11:462
1704699120,1cyclictest19515-21grepconf.sh12:00:562
1704699120,11cyclictest0-21swapper/209:19:262
1704299127,1cyclictest25-21ksoftirqd/112:25:581
1703599126,1cyclictest674-21dbus-daemon09:40:180
1703599125,2cyclictest674-21dbus-daemon09:25:030
1703599125,1cyclictest660-21avahi-daemon11:43:500
1704799119,1cyclictest18738-21sshd12:28:263
17047991110,0cyclictest0-21swapper/310:10:363
1704799110,0cyclictest0-21swapper/312:06:563
1704799110,0cyclictest0-21swapper/311:38:063
1704799110,0cyclictest0-21swapper/311:32:463
1704799110,0cyclictest0-21swapper/310:23:063
1704699119,1cyclictest26549-21sshd09:49:462
1704699119,1cyclictest0-21swapper/211:56:462
17046991110,0cyclictest0-21swapper/212:23:362
17046991110,0cyclictest0-21swapper/211:20:362
17046991110,0cyclictest0-21swapper/211:14:062
1704699110,10cyclictest0-21swapper/211:43:052
1704699110,10cyclictest0-21swapper/210:39:562
1704699110,10cyclictest0-21swapper/209:25:352
1704699110,0cyclictest0-21swapper/209:41:262
1704299119,1cyclictest25-21ksoftirqd/111:35:441
1704299111,1cyclictest25-21ksoftirqd/111:16:291
1704299111,1cyclictest131rcu_sched10:35:091
17042991110,0cyclictest0-21swapper/109:50:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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