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2026-05-20 - 12:15
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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 rack3slot0.osadl.org (updated Wed May 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2392199123121,2cyclictest1844-21nfsd22:16:223
162672940,2sleep62393799cyclictest21:53:396
51212900,0sleep2311rcuc/223:17:292
180542890,2sleep12390699cyclictest21:25:391
124762770,1sleep012472-21sshd23:19:430
49262760,0sleep00-21swapper/023:49:310
21362760,0sleep00-21swapper/000:25:110
172002730,0sleep50-21swapper/521:55:305
128982720,1sleep52393699cyclictest23:21:405
2392999680,67cyclictest26433-21kworker/u16:422:16:234
207552650,0sleep70-21swapper/722:08:547
23937995918,41cyclictest0-21swapper/622:16:236
149912540,0sleep30-21swapper/322:27:163
228242520,0sleep70-21swapper/723:12:537
24822510,2sleep42392999cyclictest23:41:504
238912510,0sleep00-21swapper/000:35:520
57592500,0sleep10-21swapper/100:27:201
268072490,0sleep70-21swapper/722:14:477
2375224825,8sleep10-21swapper/119:08:311
2375224825,8sleep10-21swapper/119:08:311
23752480,0sleep20-21swapper/223:13:372
91632470,1sleep69162-21sshd00:16:126
46362470,1sleep12390699cyclictest21:39:491
165452470,0sleep70-21swapper/721:21:537
87112460,0sleep60-21swapper/600:36:546
302842460,1sleep6721-21dbus-daemon00:00:266
299622460,0sleep50-21swapper/500:08:025
241292460,0sleep60-21swapper/600:30:136
2176824529,11sleep50-21swapper/519:04:115
2176824529,11sleep50-21swapper/519:04:115
115702450,0sleep611565-21sshd23:27:186
81882440,0sleep70-21swapper/721:51:167
46112440,1sleep54607-21bash21:28:395
2390699440,44cyclictest14472-21kworker/1:222:16:221
214942440,0sleep40-21swapper/421:50:094
147392440,0sleep20-21swapper/222:57:112
302932430,2sleep12390699cyclictest23:03:501
2373624330,9sleep30-21swapper/319:08:173
2373624330,9sleep30-21swapper/319:08:173
135712430,0sleep70-21swapper/722:42:107
135712430,0sleep70-21swapper/722:42:107
102602430,0sleep610256-21sshd22:38:166
98722420,1sleep0101ktimersoftd/023:27:120
169462420,0sleep30-21swapper/322:36:453
66972410,0sleep70-21swapper/721:58:457
49552410,1sleep12828-21kworker/1:123:21:121
2370624129,8sleep40-21swapper/419:07:544
2370624129,8sleep40-21swapper/419:07:544
194962410,0sleep00-21swapper/021:14:330
293512400,1sleep5758-21runrttasks00:24:525
289652400,0sleep70-21swapper/700:30:307
282932400,0sleep30-21swapper/322:58:003
23913994035,4cyclictest13550irq/24-ahci[00022:16:222
2361724027,9sleep00-21swapper/019:06:380
2361724027,9sleep00-21swapper/019:06:380
2349724027,9sleep70-21swapper/719:05:017
2349724027,9sleep70-21swapper/719:05:017
195382400,0sleep70-21swapper/722:29:207
133812400,0sleep50-21swapper/522:27:105
24672390,0sleep20-21swapper/222:34:042
2346523927,8sleep60-21swapper/619:04:366
2346523927,8sleep60-21swapper/619:04:366
16932390,0sleep50-21swapper/500:36:295
135592390,0sleep30-21swapper/300:35:153
101802390,0sleep310183-21kworker/u16:423:32:523
60672380,0sleep30-21swapper/300:16:013
301372380,0sleep70-21swapper/721:43:157
2347923827,8sleep20-21swapper/219:04:482
2347923827,8sleep20-21swapper/219:04:482
85792370,0sleep00-21swapper/021:45:400
34752350,2sleep42392999cyclictest00:21:304
2393699320,32cyclictest4370-21kworker/5:022:16:225
2391399270,8cyclictest6084-21grep23:55:132
23899992726,1cyclictest0-21swapper/022:16:230
2393699251,7cyclictest1-21systemd21:41:065
2389999252,6cyclictest4573-21sshd00:23:310
2393699242,5cyclictest1-21systemd22:21:125
2391399240,13cyclictest10213-21systemd22:28:542
2391399240,12cyclictest9656-21grep22:45:382
147122240,8sleep09-21ksoftirqd/023:31:130
23937992317,3cyclictest65-21ksoftirqd/623:19:096
2393699232,8cyclictest11709-21sshd21:19:415
2393699232,7cyclictest17599-21sshd22:31:095
2393699232,5cyclictest721-21dbus-daemon21:33:295
2393699231,7cyclictest721-21dbus-daemon23:32:215
2393699231,7cyclictest721-21dbus-daemon00:09:245
2393699231,6cyclictest8912-21grepconf.sh21:36:215
2393699231,5cyclictest0-21swapper/523:55:025
2391399231,8cyclictest721-21dbus-daemon23:04:082
2391399231,11cyclictest721-21dbus-daemon21:42:242
2391399230,8cyclictest28361-21bash00:09:452
2391399230,11cyclictest7694-21sshd23:27:042
2390699239,1cyclictest25-21ksoftirqd/121:33:591
2390699238,3cyclictest25-21ksoftirqd/121:18:151
2389999233,6cyclictest24970-21bash21:37:180
2393699222,7cyclictest23172-21cp21:52:095
2393699222,6cyclictest730-21NetworkManager21:44:455
2393699221,7cyclictest2990-21sshd00:32:495
2393699221,6cyclictest709-21systemd-logind22:59:155
2393699221,5cyclictest721-21dbus-daemon00:01:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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