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2025-12-19 - 04:31
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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 highest latencies:
System rack2slot0.osadl.org (updated Fri Dec 19, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318022580,0sleep10-21swapper/122:55:481
53752550,1sleep2674-21dbus-daemon22:27:022
10772550,0sleep10-21swapper/123:01:531
103532540,1sleep010350-21lspci22:42:100
46222530,0sleep20-21swapper/221:39:202
281492530,1sleep20-21swapper/200:38:392
262832520,0sleep029977-21packagekitd22:12:230
262832520,0sleep029977-21packagekitd22:12:220
187812520,0sleep2311rcuc/222:48:482
90072510,0sleep30-21swapper/321:47:253
313522500,0sleep30-21swapper/323:22:183
295032500,0sleep00-21swapper/022:23:230
295032500,0sleep00-21swapper/022:23:230
238182500,0sleep00-21swapper/022:00:320
206292500,2sleep03267699cyclictest22:31:200
61952490,0sleep00-21swapper/023:46:300
4812480,0sleep30-21swapper/300:06:363
200772480,1sleep129977-21packagekitd22:31:171
136852480,0sleep00-21swapper/021:36:290
195512470,0sleep00-21swapper/023:03:360
116792470,1sleep011678-21bash21:32:280
300822460,0sleep00-21swapper/020:20:170
267252460,0sleep30-21swapper/323:13:053
243542400,2sleep03267699cyclictest22:08:210
62992380,0sleep10-21swapper/122:41:461
3232823110,7sleep10-21swapper/119:07:031
3232522715,7sleep30-21swapper/319:07:013
3248122312,7sleep00-21swapper/019:08:550
39212220,1sleep2674-21dbus-daemon00:09:562
71492210,0sleep30-21swapper/300:10:123
318382218,7sleep20-21swapper/219:05:202
25122190,0sleep00-21swapper/023:05:000
32686991817,0cyclictest6565-21lspci21:47:082
323202170,0sleep30-21swapper/321:42:333
181032170,1sleep018104-21bash22:51:400
32686991514,0cyclictest6255-21lspci23:08:162
129882150,0sleep30-21swapper/321:55:263
32686991413,0cyclictest24928-21lspci22:40:292
321462140,0sleep00-21swapper/000:00:360
269462140,0sleep30-21swapper/322:08:403
154392140,1sleep215441-21bash00:34:342
84762130,0sleep20-21swapper/221:14:452
32686991312,0cyclictest17311-21lspci22:51:352
32686991312,0cyclictest13069-21lspci23:00:062
3268699130,1cyclictest14324-21bash23:41:212
3268099130,1cyclictest622-13audispd00:21:411
21742130,0sleep02177-21bash22:26:450
210142130,0sleep20-21swapper/222:34:222
131742130,1sleep013171-21sshd23:53:030
109392130,0sleep3391rcuc/321:32:233
3269099120,1cyclictest18772-21sshd22:34:103
3269099120,11cyclictest1833-21latency_hist23:55:013
3269099120,11cyclictest0-21swapper/300:24:003
32686991211,0cyclictest26725-21lspci22:12:252
32686991211,0cyclictest26725-21lspci22:12:252
32686991210,1cyclictest33-21ksoftirqd/200:05:002
32686991210,1cyclictest27229-21bash22:23:112
32686991210,1cyclictest27229-21bash22:23:112
3268699120,1cyclictest0-21swapper/223:53:212
32680991210,1cyclictest14310-21timerwakeupswit21:40:211
32680991210,1cyclictest1073-21nfsd23:59:011
32676991210,1cyclictest29799-21sshd22:49:500
32676991210,1cyclictest16550-21lspci23:38:400
3267699120,1cyclictest24201-21bash00:00:010
3267699120,11cyclictest674-21dbus-daemon23:24:400
3267699120,11cyclictest11061-21sshd00:34:100
3267699120,11cyclictest0-21swapper/022:55:300
305352120,0sleep30-21swapper/323:34:033
3269099118,2cyclictest3192-21sshd00:30:243
32690991110,0cyclictest0-21swapper/323:35:303
32690991110,0cyclictest0-21swapper/323:27:113
3269099110,10cyclictest0-21swapper/322:26:203
3269099110,10cyclictest0-21swapper/300:02:503
3269099110,0cyclictest0-21swapper/321:26:303
3268699119,1cyclictest33-21ksoftirqd/223:59:522
32686991110,0cyclictest7166-21lspci23:20:092
32686991110,0cyclictest29135-21lspci23:33:552
32686991110,0cyclictest2211-21lspci23:28:312
32686991110,0cyclictest21658-21lspci21:33:422
32686991110,0cyclictest21215-21lspci23:39:062
32686991110,0cyclictest0-21swapper/222:08:312
3268699110,10cyclictest0-21swapper/222:00:122
3268099110,1cyclictest8753-21sshd23:35:011
3268099110,10cyclictest20604-21lspci21:48:511
3268099110,10cyclictest11632-21grepconf.sh21:51:321
3268099110,10cyclictest0-21swapper/123:49:411
3268099110,10cyclictest0-21swapper/122:28:521
3268099110,10cyclictest0-21swapper/122:13:521
3268099110,10cyclictest0-21swapper/122:13:511
32676991110,0cyclictest0-21swapper/021:27:310
3267699110,1cyclictest18051-21lspci23:18:100
3267699110,0cyclictest0-21swapper/023:40:100
3269099109,0cyclictest0-21swapper/323:18:003
3269099109,0cyclictest0-21swapper/322:47:003
3269099109,0cyclictest0-21swapper/322:14:203
3269099109,0cyclictest0-21swapper/322:14:203
3269099109,0cyclictest0-21swapper/321:18:003
3269099108,1cyclictest3934-21sshd22:35:413
3269099100,0cyclictest0-21swapper/322:56:503
3268699109,0cyclictest0-21swapper/222:18:422
3268699109,0cyclictest0-21swapper/222:18:412
3268699109,0cyclictest0-21swapper/219:35:222
3268699108,1cyclictest674-21dbus-daemon00:20:312
3268699108,1cyclictest33-21ksoftirqd/200:11:232
3268699108,1cyclictest0-21swapper/200:28:412
3268699101,1cyclictest131rcu_sched22:55:032
3268699100,0cyclictest0-21swapper/221:41:012
3268099109,0cyclictest0-21swapper/123:24:011
3268099109,0cyclictest0-21swapper/123:13:411
3268099109,0cyclictest0-21swapper/121:27:311
3268099109,0cyclictest0-21swapper/100:34:421
3268099108,1cyclictest31991-21bash00:18:211
3268099100,0cyclictest0-21swapper/122:35:111
3267699109,0cyclictest0-21swapper/022:38:500
3267699109,0cyclictest0-21swapper/021:55:400
3267699109,0cyclictest0-21swapper/000:22:400
3267699100,9cyclictest0-21swapper/020:30:290
3267699100,9cyclictest0-21swapper/020:30:290
3267699100,9cyclictest0-21swapper/020:13:290
3267699100,9cyclictest0-21swapper/019:28:200
3267699100,0cyclictest0-21swapper/021:40:510
3267699100,0cyclictest0-21swapper/021:15:390
3267699100,0cyclictest0-21swapper/000:11:100
326869997,1cyclictest33-21ksoftirqd/200:15:102
326869990,1cyclictest131rcu_sched23:15:072
326869990,1cyclictest131rcu_sched21:53:512
326809998,0cyclictest0-21swapper/123:17:321
326809998,0cyclictest0-21swapper/122:50:421
326809998,0cyclictest0-21swapper/122:02:311
326809998,0cyclictest0-21swapper/100:39:311
326809998,0cyclictest0-21swapper/100:06:521
326809997,1cyclictest26420-21sshd22:46:311
326809994,4cyclictest660-21avahi-daemon21:34:521
326769998,0cyclictest0-21swapper/020:55:290
326769997,1cyclictest9-21ksoftirqd/000:25:380
5797281,5sleep2674-21dbus-daemon23:11:082
326909987,0cyclictest0-21swapper/321:54:403
326909987,0cyclictest0-21swapper/321:13:113
326909986,1cyclictest6254-21grep23:02:233
326909986,1cyclictest29994-21lspci23:07:293
326909986,1cyclictest1938-21lspci22:44:223
326909986,1cyclictest17977-21lspci00:28:543
326909985,2cyclictest660-21avahi-daemon22:15:103
326909985,2cyclictest660-21avahi-daemon22:15:093
326909985,2cyclictest21614-21sshd00:35:083
326909983,2cyclictest29979-21gdbus22:22:053
326909983,2cyclictest29979-21gdbus22:22:053
326869986,1cyclictest33-21ksoftirqd/222:35:502
326869986,1cyclictest33-21ksoftirqd/221:30:002
326869985,2cyclictest723-21gdbus23:48:172
326809987,0cyclictest0-21swapper/123:51:111
326809987,0cyclictest0-21swapper/123:32:011
326809987,0cyclictest0-21swapper/122:06:411
326809986,1cyclictest1002-21snmpd21:20:321
326809985,2cyclictest660-21avahi-daemon22:23:321
326809985,2cyclictest660-21avahi-daemon22:23:321
326809985,2cyclictest660-21avahi-daemon22:19:241
326809985,2cyclictest660-21avahi-daemon22:19:241
326809985,2cyclictest660-21avahi-daemon21:57:111
326809985,2cyclictest660-21avahi-daemon21:14:421
326809985,2cyclictest660-21avahi-daemon00:13:591
326809983,2cyclictest23956-21sshd00:26:261
326809983,1cyclictest27534-21bash21:38:101
326809980,0cyclictest131rcu_sched00:02:061
326769987,0cyclictest0-21swapper/020:18:300
326769986,1cyclictest699-21gdbus22:17:540
326769986,1cyclictest699-21gdbus22:17:540
326769986,1cyclictest660-21avahi-daemon21:46:100
326769986,1cyclictest30394-21lspci23:13:250
326769986,1cyclictest28597-21lspci00:35:400
326769985,2cyclictest660-21avahi-daemon00:18:440
28785280,1sleep01-21systemd23:25:040
326909976,0cyclictest0-21swapper/323:56:303
326909976,0cyclictest0-21swapper/321:24:403
326909975,1cyclictest674-21dbus-daemon23:40:243
326909975,1cyclictest674-21dbus-daemon22:03:313
326909975,1cyclictest28197-21lspci00:15:053
326909970,6cyclictest6940-21sshd22:50:353
326909970,6cyclictest14373-21sshd21:36:353
326869975,1cyclictest33-21ksoftirqd/221:55:202
326869975,1cyclictest24329-21systemd-cgroups21:17:512
326869974,2cyclictest674-21dbus-daemon21:20:172
326809976,0cyclictest0-21swapper/121:15:411
326809975,1cyclictest32350-21lspci23:25:181
326809975,1cyclictest25-21ksoftirqd/123:40:311
326809970,6cyclictest32661-21kworker/1:323:05:481
326769975,1cyclictest660-21avahi-daemon23:31:570
326769975,1cyclictest15027-21lspci00:05:010
326769974,2cyclictest674-21dbus-daemon21:50:100
326769974,2cyclictest674-21dbus-daemon21:10:310
326769970,6cyclictest0-21swapper/020:48:490
22190270,1sleep322188-21lspci23:45:053
326909963,2cyclictest1088-21ntpd20:45:163
326909963,2cyclictest1002-21snmpd20:51:223
326909963,2cyclictest1002-21snmpd20:43:403
326909963,2cyclictest1002-21snmpd20:03:573
326909960,5cyclictest0-21swapper/321:04:203
326909960,5cyclictest0-21swapper/319:21:213
326869963,2cyclictest1002-21snmpd20:58:462
326869963,2cyclictest1002-21snmpd20:51:342
326869963,2cyclictest1002-21snmpd20:28:082
326869963,2cyclictest1002-21snmpd19:20:052
326869963,2cyclictest1002-21snmpd19:10:202
326869961,1cyclictest131rcu_sched20:05:012
326869960,5cyclictest0-21swapper/220:31:212
326869960,5cyclictest0-21swapper/220:31:212
326869960,5cyclictest0-21swapper/220:17:212
326809964,1cyclictest674-21dbus-daemon21:09:591
326809964,1cyclictest3449-21gltestperf19:15:121
326809963,2cyclictest1002-21snmpd19:23:021
326809962,1cyclictest0-21swapper/119:30:241
326809960,5cyclictest0-21swapper/119:52:211
326769965,0cyclictest0-21swapper/020:42:290
326769964,1cyclictest649-21polkitd21:20:200
326909953,1cyclictest9683-21mii-tool19:30:123
326909953,1cyclictest3555-21cat19:15:133
326909953,1cyclictest18217-21ntp_offset19:50:183
326909953,1cyclictest13736-21cat19:40:133
326909953,1cyclictest1082-21lldpd20:23:533
326909953,1cyclictest1002-21snmpd21:05:533
326909953,1cyclictest1002-21snmpd20:55:283
326909953,1cyclictest1002-21snmpd20:38:253
326909953,1cyclictest1002-21snmpd20:28:253
326909953,1cyclictest1002-21snmpd19:55:033
326909953,1cyclictest1002-21snmpd19:38:593
326909953,1cyclictest1002-21snmpd19:25:143
326909953,1cyclictest1002-21snmpd19:11:223
326909952,2cyclictest1002-21snmpd20:30:013
326909952,2cyclictest1002-21snmpd20:30:013
326909952,2cyclictest1002-21snmpd20:15:273
326909952,2cyclictest1002-21snmpd20:12:463
326909952,2cyclictest1002-21snmpd20:05:033
326909950,4cyclictest16034-21nfsd419:45:163
326869953,1cyclictest9760-21cut19:30:132
326869953,1cyclictest649-21polkitd19:54:552
326869953,1cyclictest33-21ksoftirqd/220:20:002
326869953,1cyclictest19521-21tr19:55:122
326869953,1cyclictest14014-21cat21:00:142
326869953,1cyclictest1002-21snmpd21:07:232
326869953,1cyclictest1002-21snmpd20:45:532
326869953,1cyclictest1002-21snmpd20:07:572
326869953,1cyclictest1002-21snmpd19:45:442
326869953,1cyclictest1002-21snmpd19:42:232
326869952,2cyclictest3407-21tail19:15:122
326869952,2cyclictest1002-21snmpd20:40:252
326869952,2cyclictest1002-21snmpd20:35:372
326869952,2cyclictest1002-21snmpd20:11:572
326869952,2cyclictest1002-21snmpd19:27:052
326809953,1cyclictest2460-21munin-node19:55:121
326809953,1cyclictest13735-21cat19:40:131
326809953,1cyclictest13267-21kworker/1:221:00:121
326809953,1cyclictest1002-21snmpd20:55:101
326809953,1cyclictest1002-21snmpd20:37:491
326809953,1cyclictest1002-21snmpd20:31:041
326809953,1cyclictest1002-21snmpd20:31:041
326809953,1cyclictest1002-21snmpd20:17:361
326809953,1cyclictest1002-21snmpd20:05:361
326809953,1cyclictest1002-21snmpd20:01:491
326809953,1cyclictest1002-21snmpd19:45:171
326809953,1cyclictest1002-21snmpd19:35:121
326809953,1cyclictest1002-21snmpd19:26:591
326809953,1cyclictest1002-21snmpd19:11:261
326809952,2cyclictest1002-21snmpd20:20:151
326809952,2cyclictest1002-21snmpd20:10:571
326809950,4cyclictest0-21swapper/120:46:111
326809950,1cyclictest0-21swapper/120:52:141
326769953,1cyclictest3835-21cat20:35:160
326769953,1cyclictest2809-21ls19:15:000
326769953,1cyclictest1705-21sendmail19:45:550
326769953,1cyclictest15324-21crond21:05:000
326769953,1cyclictest14677-21users19:40:200
326769953,1cyclictest1088-21ntpd19:35:160
326769953,1cyclictest10357-21pmu-power20:50:190
326769953,1cyclictest1002-21snmpd21:02:540
326769953,1cyclictest1002-21snmpd20:07:300
326769953,1cyclictest1002-21snmpd19:56:540
326769953,1cyclictest1002-21snmpd19:51:340
326769953,1cyclictest1002-21snmpd19:20:470
326769953,1cyclictest1002-21snmpd19:14:050
326769952,2cyclictest649-21polkitd20:00:000
326769952,2cyclictest1002-21snmpd19:33:530
326769950,1cyclictest1027-21sh20:30:000
326809942,1cyclictest5516-21grep20:40:131
326809942,1cyclictest31612-21cpu20:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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