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2026-03-22 - 21:00
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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 792 highest latencies:
System rack2slot0.osadl.org (updated Sun Mar 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307572830,0sleep30-21swapper/309:34:423
190682820,0sleep00-21swapper/009:11:200
16662730,0sleep30-21swapper/311:36:463
315222580,0sleep30-21swapper/310:50:353
228002580,0sleep10-21swapper/111:41:121
143992560,1sleep014400-21bash11:45:550
6052550,0sleep11073-21nfsd09:20:261
179122550,0sleep20-21swapper/212:07:572
147362530,0sleep10-21swapper/110:16:371
14352530,1sleep1241ktimersoftd/110:12:491
36442520,0sleep3401ktimersoftd/310:34:493
130202520,1sleep11-21systemd09:44:001
102592520,0sleep20-21swapper/211:29:242
264512510,3sleep326449-21lspci12:38:343
249492510,0sleep00-21swapper/011:27:530
118342510,1sleep2311rcuc/211:40:172
53662500,0sleep20-21swapper/211:04:402
73002490,1sleep37299-21bash11:53:323
46642490,0sleep30-21swapper/309:56:493
34532490,0sleep00-21swapper/012:04:020
224872490,0sleep10-21swapper/112:27:181
176252490,0sleep00-21swapper/012:07:550
242272480,0sleep10-21swapper/109:50:181
20282480,0sleep30-21swapper/312:20:103
131992480,1sleep2321ktimersoftd/212:23:512
119912480,0sleep00-21swapper/011:43:030
239002470,0sleep00-21swapper/009:53:010
23102440,0sleep20-21swapper/210:31:552
38452380,2sleep02196999cyclictest10:34:510
283062360,0sleep30-21swapper/309:45:153
225102350,0sleep20-21swapper/210:25:232
2175122917,7sleep20-21swapper/207:08:392
216662288,7sleep10-21swapper/107:07:341
216852277,7sleep00-21swapper/007:07:490
2182522311,7sleep30-21swapper/307:09:323
141322230,0sleep00-21swapper/012:21:080
7882200,2sleep02196999cyclictest09:59:130
179802190,0sleep10-21swapper/110:38:441
157282170,1sleep115727-21sshd11:08:111
29392160,0sleep10-21swapper/112:06:391
190112160,0sleep10-21swapper/112:37:551
15212160,0sleep10-21swapper/110:53:341
97432150,0sleep30-21swapper/310:38:023
96602150,0sleep2311rcuc/212:18:062
4072150,1sleep3391rcuc/312:14:383
229132150,0sleep00-21swapper/010:03:470
96642140,0sleep29655-21sshd10:24:232
311712140,0sleep331165-21lspci11:12:103
2198099140,3cyclictest674-21dbus-daemon11:49:402
21976991413,0cyclictest28565-21kworker/1:007:36:331
21976991412,1cyclictest28565-21kworker/1:007:26:281
191482140,0sleep30-21swapper/310:00:413
124462140,0sleep0111rcuc/010:51:450
2198099132,3cyclictest674-21dbus-daemon11:54:272
2198099132,3cyclictest2970-21sshd10:37:262
2198099130,3cyclictest23565-21sshd12:38:182
2198099130,3cyclictest0-21swapper/211:55:142
2198099130,1cyclictest734-21bash12:01:032
2197699136,1cyclictest25-21ksoftirqd/110:26:051
2197699132,1cyclictest25-21ksoftirqd/112:12:071
2197699131,3cyclictest25-21ksoftirqd/110:03:081
21976991313,0cyclictest427-21kworker/1:109:06:311
2197699130,1cyclictest0-21swapper/112:34:561
2197699130,12cyclictest8573-21sshd09:38:161
302432120,0sleep20-21swapper/210:07:042
21981991210,1cyclictest1-21systemd10:58:093
2198199120,1cyclictest28154-21sshd10:12:193
2198199120,1cyclictest12449-21lspci11:40:183
2198199120,11cyclictest9842-21sshd12:28:593
2198199120,11cyclictest1-21systemd12:33:593
2198099123,3cyclictest660-21avahi-daemon11:38:012
2198099122,3cyclictest660-21avahi-daemon11:05:102
2198099121,3cyclictest8793-21systemd-cgroups11:23:522
2198099120,4cyclictest16355-21grepconf.sh10:57:292
2198099120,3cyclictest674-21dbus-daemon09:20:012
2198099120,3cyclictest4560-21sshd10:48:262
2198099120,3cyclictest21952-21bash10:11:482
2198099120,3cyclictest18893-21sshd10:03:262
2198099120,3cyclictest1658-21grep10:15:292
2198099120,3cyclictest12431-21bash10:40:562
2198099120,3cyclictest12431-21bash10:40:562
2198099120,2cyclictest674-21dbus-daemon09:50:572
2198099120,1cyclictest0-21swapper/212:31:532
2197699128,1cyclictest25-21ksoftirqd/111:15:001
2197699123,2cyclictest25-21ksoftirqd/111:52:131
2197699123,1cyclictest25-21ksoftirqd/111:57:111
2197699122,3cyclictest699-21gdbus12:16:541
2197699122,2cyclictest25-21ksoftirqd/110:42:591
2197699122,2cyclictest25-21ksoftirqd/110:42:581
2197699122,1cyclictest25-21ksoftirqd/111:46:381
2197699122,1cyclictest25-21ksoftirqd/111:25:211
2197699121,2cyclictest25-21ksoftirqd/110:23:171
21976991212,0cyclictest8433-21kworker/1:108:04:271
21976991212,0cyclictest8433-21kworker/1:107:59:151
21976991212,0cyclictest28802-21kworker/1:008:53:091
21976991212,0cyclictest28565-21kworker/1:007:52:281
21976991212,0cyclictest28565-21kworker/1:007:45:031
21976991212,0cyclictest28565-21kworker/1:007:43:391
21976991212,0cyclictest2270-21kworker/1:107:17:391
21976991212,0cyclictest20894-21kworker/1:208:26:491
2197699121,1cyclictest28698-21systemd-cgroups09:16:111
2197699120,11cyclictest0-21swapper/111:15:161
21969991211,0cyclictest0-21swapper/010:13:430
21969991210,1cyclictest0-21swapper/009:20:430
2196999120,1cyclictest0-21swapper/009:40:330
2196999120,11cyclictest2674-21sshd12:28:220
2196999120,11cyclictest13868-21lspci10:16:330
289592110,0sleep00-21swapper/012:38:470
2198199119,1cyclictest7914-21sshd11:20:593
2198199110,10cyclictest25245-21sshd09:42:193
2198199110,10cyclictest11642-21sshd09:14:193
2198199110,10cyclictest0-21swapper/310:26:493
2198199110,10cyclictest0-21swapper/309:05:593
2198099112,2cyclictest27170-21sshd09:34:232
2198099112,2cyclictest18132-21sshd09:36:192
2198099110,3cyclictest674-21dbus-daemon12:28:302
2198099110,3cyclictest674-21dbus-daemon11:12:382
2198099110,3cyclictest674-21dbus-daemon09:48:552
2198099110,3cyclictest32535-21sshd10:50:412
2198099110,3cyclictest0-21swapper/209:42:112
2198099110,2cyclictest9448-21sshd11:15:432
2198099110,2cyclictest1211-21sshd09:59:162
2198099110,1cyclictest21640-21sshd11:33:022
2198099110,10cyclictest0-21swapper/208:50:592
2197699119,1cyclictest674-21dbus-daemon11:34:121
2197699119,1cyclictest25801-21kworker/1:210:55:561
2197699115,1cyclictest25-21ksoftirqd/112:22:421
2197699114,3cyclictest25-21ksoftirqd/111:21:591
2197699114,1cyclictest25-21ksoftirqd/111:39:301
2197699112,3cyclictest25-21ksoftirqd/109:33:481
2197699112,1cyclictest25-21ksoftirqd/111:00:101
2197699112,1cyclictest25-21ksoftirqd/109:46:291
2197699111,1cyclictest25-21ksoftirqd/112:00:371
2197699111,1cyclictest25-21ksoftirqd/109:10:151
21976991111,0cyclictest427-21kworker/1:109:03:031
21976991111,0cyclictest427-21kworker/1:109:03:031
21976991111,0cyclictest241ktimersoftd/108:59:491
21976991111,0cyclictest20894-21kworker/1:208:42:451
21976991111,0cyclictest20894-21kworker/1:208:37:031
21976991110,0cyclictest8433-21kworker/1:108:11:231
21976991110,0cyclictest0-21swapper/110:30:161
2197699110,1cyclictest25-21ksoftirqd/110:46:061
2197699110,10cyclictest0-21swapper/110:06:061
2197699110,10cyclictest0-21swapper/109:59:361
2196999119,1cyclictest21806-21bash09:39:230
21969991110,0cyclictest0-21swapper/011:31:030
21969991110,0cyclictest0-21swapper/007:10:130
2196999110,10cyclictest0-21swapper/011:58:430
2196999110,10cyclictest0-21swapper/010:46:030
2196999110,0cyclictest19119-21lspci10:55:030
2198199109,0cyclictest0-21swapper/311:59:193
2198199109,0cyclictest0-21swapper/310:46:393
2198199109,0cyclictest0-21swapper/310:24:493
2198199109,0cyclictest0-21swapper/309:22:293
2198199109,0cyclictest0-21swapper/309:18:193
2198199108,1cyclictest25085-21sshd12:16:393
2198199100,0cyclictest0-21swapper/311:07:293
2198199100,0cyclictest0-21swapper/308:25:193
2198099100,3cyclictest7268-21sshd09:25:072
2198099100,3cyclictest29979-21gdbus12:10:242
2198099100,2cyclictest2197-21lspci09:20:372
2198099100,2cyclictest12853-21bash09:14:282
2197699101,1cyclictest1-21systemd09:25:231
21976991010,0cyclictest8433-21kworker/1:108:16:351
21976991010,0cyclictest8433-21kworker/1:108:06:111
21976991010,0cyclictest28565-21kworker/1:007:31:211
21976991010,0cyclictest2270-21kworker/1:107:10:231
21976991010,0cyclictest20894-21kworker/1:208:30:361
2196999109,0cyclictest0-21swapper/011:12:030
2196999109,0cyclictest0-21swapper/011:00:230
2196999109,0cyclictest0-21swapper/009:17:030
2196999109,0cyclictest0-21swapper/007:40:130
219819998,0cyclictest0-21swapper/311:46:093
219819998,0cyclictest0-21swapper/311:27:193
219819998,0cyclictest0-21swapper/310:42:193
219819998,0cyclictest0-21swapper/310:42:193
219819998,0cyclictest0-21swapper/307:35:183
219819998,0cyclictest0-21swapper/307:34:593
219819996,2cyclictest2404-21sshd09:53:563
219769999,0cyclictest8433-21kworker/1:108:21:271
219769999,0cyclictest28802-21kworker/1:008:49:211
219769999,0cyclictest2270-21kworker/1:107:24:351
219699998,0cyclictest0-21swapper/012:16:030
219699997,1cyclictest32474-21grep11:06:530
219699997,1cyclictest22673-21lspci10:28:130
219699997,1cyclictest22672-21sshd11:38:330
219699997,1cyclictest18480-21lspci12:13:240
219699990,0cyclictest0-21swapper/008:45:030
219819987,0cyclictest0-21swapper/311:02:393
219819987,0cyclictest0-21swapper/308:24:593
219819986,1cyclictest21841-21sshd12:05:293
219819986,1cyclictest19390-21lspci10:19:463
219819985,2cyclictest660-21avahi-daemon12:04:383
219819985,2cyclictest660-21avahi-daemon09:28:343
219819985,2cyclictest25747-21sshd10:09:283
219819984,3cyclictest649-21polkitd11:34:583
219819984,3cyclictest26660-21lspci09:37:033
219809980,5cyclictest25839-21ntpdc08:35:182
219699987,0cyclictest0-21swapper/010:38:330
219699987,0cyclictest0-21swapper/010:06:030
219699985,2cyclictest660-21avahi-daemon12:33:510
219699985,2cyclictest660-21avahi-daemon11:51:040
219699985,2cyclictest660-21avahi-daemon11:23:260
219699985,2cyclictest660-21avahi-daemon11:17:100
219699985,2cyclictest1-21systemd09:29:070
219699983,4cyclictest28839-21basename08:45:000
219819976,0cyclictest0-21swapper/307:23:593
219819974,2cyclictest2665-21sshd11:15:123
219809973,3cyclictest2341-21sadc07:40:002
219809970,4cyclictest893-21/usr/sbin/munin08:55:122
219809970,4cyclictest5715-21sed07:45:212
219809970,4cyclictest21427-21/usr/sbin/munin08:25:142
219809970,3cyclictest4806-21latency_hist09:05:012
219809970,3cyclictest4806-21latency_hist09:05:002
219809970,3cyclictest31429-21latency07:30:142
219809970,3cyclictest29056-21/usr/sbin/munin08:45:162
219809970,3cyclictest26844-21cat07:20:102
219809970,3cyclictest17494-21missed_timers08:15:152
219809970,2cyclictest4428-21latency_hist07:45:002
219809970,2cyclictest24882-21date08:35:002
219699977,0cyclictest5082-21kworker/0:109:30:400
219699977,0cyclictest2324-21kworker/0:007:45:160
219699975,1cyclictest660-21avahi-daemon10:20:100
219699975,1cyclictest660-21avahi-daemon09:45:020
219699974,2cyclictest660-21avahi-daemon10:40:320
219699974,2cyclictest660-21avahi-daemon10:40:310
219819964,1cyclictest15279-21mii-tool08:10:133
219819963,2cyclictest1002-21snmpd08:03:503
219819963,2cyclictest1002-21snmpd07:41:233
219819963,2cyclictest1002-21snmpd07:15:043
219819960,5cyclictest0-21swapper/308:42:483
219809963,2cyclictest649-21polkitd08:20:002
219809960,2cyclictest9700-21rt-features07:55:182
219809960,2cyclictest7035-21hddtemp_smartct07:50:142
219809960,2cyclictest5394-21kernelversion09:05:172
219809960,2cyclictest29086-21df_inode07:25:142
219809960,2cyclictest24605-21sed07:15:012
219809960,2cyclictest15764-21ps08:10:162
219809960,2cyclictest13288-21irqstats08:05:152
219809960,2cyclictest10990-21df_inode08:00:122
219809960,2cyclictest0-21swapper/208:40:182
219699966,0cyclictest30838-21kworker/0:008:55:110
219699966,0cyclictest30838-21kworker/0:008:53:560
219699966,0cyclictest2324-21kworker/0:008:00:160
219699966,0cyclictest21862-21kworker/0:107:35:160
219699966,0cyclictest21862-21kworker/0:107:32:500
219699966,0cyclictest21862-21kworker/0:107:25:000
219699966,0cyclictest21862-21kworker/0:107:22:260
219699966,0cyclictest21862-21kworker/0:107:15:160
219699966,0cyclictest20655-21kworker/0:008:30:110
219699966,0cyclictest14595-21kworker/0:208:17:460
219699966,0cyclictest12199-21kworker/0:108:06:050
219699965,0cyclictest0-21swapper/007:50:030
219699963,2cyclictest1002-21snmpd09:07:050
219819954,0cyclictest0-21swapper/307:45:093
219819953,1cyclictest3447-21grep09:00:143
219819953,1cyclictest3447-21grep09:00:133
219819953,1cyclictest23403-21cat08:30:133
219819953,1cyclictest22310-21tr07:10:113
219819953,1cyclictest13222-21cat08:05:143
219819953,1cyclictest1-21systemd07:29:553
219819953,1cyclictest1002-21snmpd08:55:343
219819953,1cyclictest1002-21snmpd08:50:283
219819953,1cyclictest1002-21snmpd08:47:073
219819953,1cyclictest1002-21snmpd08:35:493
219819953,1cyclictest1002-21snmpd08:18:003
219819953,1cyclictest1002-21snmpd07:51:023
219819950,1cyclictest9553-21ntp_states07:55:163
219809953,1cyclictest22652-21cat07:10:142
219699955,0cyclictest2561-21kworker/0:109:00:120
219699955,0cyclictest2561-21kworker/0:109:00:120
219699955,0cyclictest24731-21kworker/0:208:35:000
219699955,0cyclictest2324-21kworker/0:007:55:080
219699955,0cyclictest14595-21kworker/0:208:10:060
219699953,1cyclictest19327-21cat08:20:130
219699953,1cyclictest1002-21snmpd08:25:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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