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2026-04-24 - 11:35
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Fri Apr 24, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229021030,0sleep02291-21sshd22:19:100
1902921000,2sleep1220199cyclictest21:25:251
83432980,2sleep1220199cyclictest00:10:301
140582980,2sleep1220199cyclictest22:45:081
137922780,0sleep30-21swapper/322:42:173
154272750,0sleep30-21swapper/322:50:423
183692680,1sleep218358-21sshd21:41:362
90902590,0sleep00-21swapper/023:59:360
225362590,1sleep122540-21grepconf.sh22:23:411
235142570,0sleep30-21swapper/323:55:143
222692570,1sleep11026-21sshd23:44:031
199202560,0sleep00-21swapper/000:08:490
207782550,0sleep30-21swapper/322:37:203
190632550,0sleep00-21swapper/023:10:260
64822530,1sleep36484-21bash21:48:573
280012530,0sleep30-21swapper/321:36:523
180842530,0sleep10-21swapper/123:27:001
303392520,2sleep1220199cyclictest23:22:331
28392520,2sleep3220399cyclictest23:34:033
121672520,0sleep10-21swapper/122:31:021
111132520,0sleep00-21swapper/021:12:460
66922510,0sleep30-21swapper/321:12:143
258872510,0sleep20-21swapper/200:25:502
111832510,1sleep20-21swapper/221:35:232
142992500,1sleep014292-21sshd23:48:540
175792490,0sleep30-21swapper/319:45:123
43092480,0sleep00-21swapper/023:03:410
243282480,0sleep00-21swapper/023:08:090
207522480,0sleep20-21swapper/221:21:452
170542480,1sleep317050-21lspci23:04:473
94542460,0sleep00-21swapper/023:54:040
22992440,0sleep10-21swapper/100:04:341
13012410,1sleep0101ktimersoftd/021:31:130
107252370,0sleep00-21swapper/022:39:170
83252360,1sleep31-21systemd00:07:483
287122360,0sleep00-21swapper/021:42:310
192892360,2sleep0220099cyclictest22:34:290
16922329,7sleep30-21swapper/319:05:213
19282298,6sleep20-21swapper/219:07:562
17222228,10sleep10-21swapper/119:05:391
144992220,1sleep114486-21lspci00:16:361
18352212,7sleep00-21swapper/019:06:500
33192200,0sleep20-21swapper/222:52:292
122192200,0sleep30-21swapper/321:32:353
78122190,0sleep07796-21sshd23:31:400
188202190,1sleep118816-21sshd23:18:471
168412190,0sleep20-21swapper/200:33:262
298722170,1sleep31-21systemd22:18:463
259012170,0sleep00-21swapper/022:07:180
235052170,0sleep00-21swapper/000:20:100
113922170,1sleep111389-21lspci21:52:081
246722160,0sleep20-21swapper/223:08:112
244912160,0sleep00-21swapper/023:24:510
2201991615,0cyclictest4885-21lspci21:40:241
127002160,0sleep30-21swapper/323:15:253
59032150,0sleep20-21swapper/222:33:192
322852150,0sleep30-21swapper/300:12:373
318482150,0sleep10-21swapper/100:34:451
27592150,0sleep30-21swapper/321:59:473
220299150,14cyclictest4322-21id00:21:142
80172140,0sleep20-21swapper/223:34:302
291402140,0sleep10-21swapper/122:04:501
2203991412,1cyclictest0-21swapper/322:55:223
2202991412,1cyclictest4859-21sshd21:54:242
2201991413,0cyclictest241ktimersoftd/123:31:251
125392140,0sleep00-21swapper/022:28:200
122462140,1sleep30-21swapper/322:33:523
2203991311,1cyclictest622-13audispd23:41:413
220399130,11cyclictest2475-21grep22:46:513
2201991312,0cyclictest26840-21lspci22:07:231
2201991312,0cyclictest11553-21lspci23:04:181
220199130,1cyclictest29608-21sshd23:52:591
20252130,0sleep00-21swapper/020:25:180
2203991211,0cyclictest1274-21lspci23:14:333
2203991210,1cyclictest3730-21sshd00:01:513
220399120,11cyclictest979-21sshd00:32:013
220399120,11cyclictest21901-21sshd23:27:213
2202991210,1cyclictest28207-21sshd00:15:042
2202991210,1cyclictest0-21swapper/221:45:432
220299120,1cyclictest0-21swapper/223:44:242
220299120,11cyclictest4588-21sshd21:19:532
220199123,1cyclictest25-21ksoftirqd/122:40:451
220199121,1cyclictest131rcu_sched21:37:471
220199120,1cyclictest30000-21sshd22:51:591
220199120,11cyclictest29979-21gdbus00:21:191
220199120,11cyclictest0-21swapper/121:24:091
2200991210,1cyclictest0-21swapper/000:18:510
220099120,1cyclictest674-21dbus-daemon21:39:200
220099120,11cyclictest16838-21bash00:36:100
132102120,0sleep30-21swapper/323:21:033
109782120,0sleep30-21swapper/322:11:323
2203991110,0cyclictest25364-21lspci21:22:203
2203991110,0cyclictest0-21swapper/322:05:513
2203991110,0cyclictest0-21swapper/300:38:123
2203991110,0cyclictest0-21swapper/300:19:413
220399110,10cyclictest0-21swapper/323:50:113
220399110,10cyclictest0-21swapper/322:03:113
220399110,10cyclictest0-21swapper/321:51:223
220399110,0cyclictest0-21swapper/320:50:213
220299119,1cyclictest674-21dbus-daemon22:26:432
2202991110,0cyclictest0-21swapper/223:55:142
2202991110,0cyclictest0-21swapper/220:45:132
220299110,10cyclictest22566-21sshd22:56:542
220299110,10cyclictest0-21swapper/223:52:542
220299110,10cyclictest0-21swapper/222:39:532
220299110,10cyclictest0-21swapper/222:17:132
220199114,4cyclictest25-21ksoftirqd/122:28:461
2201991111,0cyclictest241ktimersoftd/120:23:421
220199110,10cyclictest0-21swapper/123:45:391
220199110,10cyclictest0-21swapper/122:18:291
220199110,10cyclictest0-21swapper/120:47:291
220199110,10cyclictest0-21swapper/119:35:201
2200991110,0cyclictest0-21swapper/022:14:100
2200991110,0cyclictest0-21swapper/019:15:000
220099110,10cyclictest0-21swapper/022:59:100
220399109,0cyclictest14944-21lspci23:35:063
220399108,1cyclictest7167-21sshd00:27:023
220299109,0cyclictest0-21swapper/223:45:352
220299109,0cyclictest0-21swapper/223:03:032
220299108,1cyclictest32318-21sshd22:41:032
220299108,1cyclictest1-21systemd22:13:032
220299100,0cyclictest0-21swapper/222:21:232
220199109,0cyclictest11287-21lspci21:12:471
220199109,0cyclictest0-21swapper/123:09:191
220199108,1cyclictest25-21ksoftirqd/122:35:471
220199102,1cyclictest25-21ksoftirqd/121:57:181
220199100,2cyclictest25-21ksoftirqd/122:55:131
220199100,1cyclictest25-21ksoftirqd/100:08:011
220199100,0cyclictest0-21swapper/123:55:191
220199100,0cyclictest0-21swapper/123:36:001
220199100,0cyclictest0-21swapper/122:11:391
220099109,0cyclictest0-21swapper/022:53:000
220099109,0cyclictest0-21swapper/022:43:200
220099109,0cyclictest0-21swapper/022:02:000
220099109,0cyclictest0-21swapper/021:25:300
220099109,0cyclictest0-21swapper/000:25:000
220099108,1cyclictest0-21swapper/021:21:000
220099100,0cyclictest0-21swapper/021:48:400
22039998,0cyclictest0-21swapper/320:25:013
22039996,2cyclictest660-21avahi-daemon23:45:383
22039990,2cyclictest674-21dbus-daemon21:43:383
22039990,1cyclictest131rcu_sched23:07:403
22029998,0cyclictest0-21swapper/223:35:552
22029997,1cyclictest8166-21sshd21:12:232
22029997,1cyclictest1026-21sshd22:00:532
22019998,0cyclictest0-21swapper/120:59:291
22019997,1cyclictest25-21ksoftirqd/121:34:481
22019997,1cyclictest25-21ksoftirqd/100:39:021
22019996,2cyclictest25-21ksoftirqd/123:14:461
22019991,2cyclictest131rcu_sched00:25:391
22009998,0cyclictest0-21swapper/023:44:200
22009998,0cyclictest0-21swapper/022:21:010
22009998,0cyclictest0-21swapper/021:50:100
22009998,0cyclictest0-21swapper/000:12:400
22039987,0cyclictest1002-21snmpd21:17:363
22039986,1cyclictest41-21ksoftirqd/322:24:363
22039986,1cyclictest41-21ksoftirqd/300:22:003
22039985,2cyclictest660-21avahi-daemon22:25:133
22039985,2cyclictest660-21avahi-daemon21:28:003
22029987,0cyclictest0-21swapper/200:35:542
22029986,1cyclictest674-21dbus-daemon00:05:042
22029986,1cyclictest33-21ksoftirqd/223:10:162
22029986,1cyclictest21984-21lspci23:16:142
22029986,1cyclictest17847-21lspci21:33:162
22029985,2cyclictest660-21avahi-daemon22:46:062
22029985,2cyclictest660-21avahi-daemon22:08:062
22029985,2cyclictest642-21systemd-logind21:28:202
22019987,0cyclictest0-21swapper/120:25:191
22019986,1cyclictest660-21avahi-daemon21:15:031
22019986,1cyclictest25-21ksoftirqd/121:45:461
22009987,0cyclictest0-21swapper/023:18:000
22009987,0cyclictest0-21swapper/000:31:100
22009986,1cyclictest30206-21lspci00:04:110
22009986,1cyclictest27450-21sshd23:36:080
22009986,1cyclictest16273-21lspci22:48:040
22009985,2cyclictest699-21gdbus23:26:450
22009985,2cyclictest674-21dbus-daemon21:56:240
22039976,0cyclictest0-21swapper/321:05:213
22029976,0cyclictest527-40kipmi019:46:132
22029975,1cyclictest660-21avahi-daemon23:25:142
22029975,1cyclictest660-21avahi-daemon21:55:312
22029975,1cyclictest660-21avahi-daemon00:10:142
22029975,1cyclictest27471-21sshd23:22:182
22029974,2cyclictest660-21avahi-daemon00:00:262
22019976,0cyclictest0-21swapper/119:44:291
22019975,1cyclictest25-21ksoftirqd/121:05:001
22019970,6cyclictest0-21swapper/120:41:191
22009975,1cyclictest660-21avahi-daemon21:16:180
22009975,1cyclictest660-21avahi-daemon19:50:010
22009974,2cyclictest699-21gdbus20:14:560
22009974,2cyclictest699-21gdbus20:14:550
22039963,2cyclictest1002-21snmpd20:55:203
22039963,2cyclictest1002-21snmpd20:06:103
22039960,5cyclictest0-21swapper/320:11:313
22039960,5cyclictest0-21swapper/320:11:313
22029965,0cyclictest0-21swapper/221:09:232
22029963,2cyclictest1002-21snmpd20:10:352
22029963,2cyclictest1002-21snmpd20:10:342
22029963,2cyclictest1002-21snmpd19:59:582
22029960,5cyclictest0-21swapper/220:06:032
22029960,0cyclictest0-21swapper/219:16:532
22019965,0cyclictest0-21swapper/119:50:101
22019964,1cyclictest4191-21perf19:15:001
22019963,2cyclictest660-21avahi-daemon21:09:461
22019960,5cyclictest0-21swapper/119:29:201
4069250,0sleep20-21swapper/220:30:162
22039954,0cyclictest0-21swapper/320:35:123
22039953,1cyclictest4210-21service19:15:003
22039953,1cyclictest11566-21cat19:30:123
22039953,1cyclictest10850-21turbostat.cron19:30:003
22039953,1cyclictest1002-21snmpd21:01:343
22039953,1cyclictest1002-21snmpd20:45:393
22039953,1cyclictest1002-21snmpd20:43:023
22039953,1cyclictest1002-21snmpd20:31:113
22039953,1cyclictest1002-21snmpd20:21:363
22039953,1cyclictest1002-21snmpd20:15:313
22039953,1cyclictest1002-21snmpd19:55:283
22039953,1cyclictest1002-21snmpd19:50:583
22039953,1cyclictest1002-21snmpd19:40:283
22039953,1cyclictest1002-21snmpd19:35:133
22039952,2cyclictest1002-21snmpd20:00:203
22039952,2cyclictest1002-21snmpd19:15:063
22029954,0cyclictest0-21swapper/219:25:032
22029953,1cyclictest660-21avahi-daemon20:43:382
22029953,1cyclictest11804-21cat20:50:132
22029953,1cyclictest11374-21grep19:30:112
22029953,1cyclictest1002-21snmpd21:00:002
22029953,1cyclictest1002-21snmpd20:26:082
22029953,1cyclictest1002-21snmpd20:00:052
22029953,1cyclictest1002-21snmpd19:52:442
22029953,1cyclictest1002-21snmpd19:41:162
22029953,1cyclictest1002-21snmpd19:21:182
22029953,1cyclictest1002-21snmpd19:13:492
22029950,0cyclictest0-21swapper/220:36:542
22019955,0cyclictest241ktimersoftd/120:04:281
22019953,1cyclictest12859-21kworker/1:019:45:171
22019953,1cyclictest1002-21snmpd20:50:151
22019953,1cyclictest1002-21snmpd20:31:021
22019953,1cyclictest1002-21snmpd20:15:191
22019953,1cyclictest1002-21snmpd20:13:591
22019953,1cyclictest1002-21snmpd20:13:581
22019953,1cyclictest1002-21snmpd20:06:581
22019953,1cyclictest1002-21snmpd19:57:281
22019953,1cyclictest1002-21snmpd19:22:121
22019950,2cyclictest5203-21/usr/sbin/munin20:35:201
22009954,0cyclictest0-21swapper/020:05:510
22009953,1cyclictest660-21avahi-daemon19:55:050
22009953,1cyclictest649-21polkitd20:25:000
22009953,1cyclictest3252-21ntp_states19:10:160
22009953,1cyclictest16736-21sed21:00:200
22009953,1cyclictest1082-21lldpd20:30:080
22009953,1cyclictest1002-21snmpd20:55:500
22009953,1cyclictest1002-21snmpd20:53:210
22009953,1cyclictest1002-21snmpd20:48:290
22009953,1cyclictest1002-21snmpd20:41:560
22009953,1cyclictest1002-21snmpd20:18:110
22009953,1cyclictest1002-21snmpd20:02:550
22009953,1cyclictest1002-21snmpd19:46:430
22009953,1cyclictest1002-21snmpd19:44:470
22009953,1cyclictest1002-21snmpd19:32:060
22009953,1cyclictest1002-21snmpd19:24:330
22009952,2cyclictest1002-21snmpd20:36:180
22009952,2cyclictest1002-21snmpd19:25:580
22009950,0cyclictest0-21swapper/021:05:400
22039942,1cyclictest0-21swapper/319:20:013
22029942,1cyclictest31899-21cat20:20:152
22029942,1cyclictest29446-21cpu20:15:112
22029942,1cyclictest0-21swapper/220:55:102
22029942,1cyclictest0-21swapper/219:35:142
22019942,1cyclictest4484-21swap19:15:001
22019942,1cyclictest11646-21cat19:30:131
22009942,1cyclictest13178-21cpuspeed_turbos19:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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