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2026-04-10 - 02:46
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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 Fri Apr 10, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243782920,0sleep00-21swapper/023:08:440
108412880,0sleep310839-21sshd22:59:183
206572830,2sleep12067199cyclictest23:08:251
79912580,1sleep0649-21polkitd21:36:150
237162580,1sleep0674-21dbus-daemon22:18:580
194482580,0sleep00-21swapper/022:26:500
103102580,2sleep22067699cyclictest00:08:132
94832560,0sleep39473-21sshd21:33:423
98342550,0sleep2710-21NetworkManager23:04:452
52572550,1sleep05253-21lspci22:45:010
323232550,0sleep00-21swapper/000:21:060
323232550,0sleep00-21swapper/000:21:050
322552550,0sleep00-21swapper/022:30:390
99222540,0sleep20-21swapper/222:20:282
296542530,1sleep027667-1kworker/0:1H21:20:370
135732520,0sleep00-21swapper/021:45:000
294912500,0sleep00-21swapper/023:58:510
209092500,0sleep10-21swapper/122:07:411
161472500,0sleep00-21swapper/022:07:160
45252490,0sleep20-21swapper/221:35:582
237992490,0sleep30-21swapper/322:35:263
231332490,0sleep00-21swapper/022:40:570
211722480,0sleep20-21swapper/223:38:502
137862480,0sleep213780-21bash00:19:362
137862480,0sleep213780-21bash00:19:362
68972470,1sleep26855-21sshd22:34:062
256162470,0sleep10-21swapper/121:16:151
229042470,0sleep30-21swapper/321:45:453
117102470,0sleep20-21swapper/221:47:352
218352440,0sleep10-21swapper/121:45:371
19102420,2sleep02066599cyclictest22:50:130
273222320,0sleep20-21swapper/222:08:142
2025922924,3sleep00-21swapper/019:06:090
192982298,7sleep10-21swapper/119:05:141
2033822210,7sleep30-21swapper/319:07:093
205592219,7sleep20-21swapper/219:09:562
2067199184,6cyclictest660-21avahi-daemon23:17:001
200672180,1sleep341-21ksoftirqd/322:26:543
249432170,0sleep30-21swapper/323:14:193
148502170,0sleep3391rcuc/300:03:063
39402160,0sleep30-21swapper/300:18:453
39402160,0sleep30-21swapper/300:18:453
217832160,0sleep00-21swapper/000:17:300
217832160,0sleep00-21swapper/000:17:290
2067199163,6cyclictest674-21dbus-daemon22:47:231
2067199163,6cyclictest649-21polkitd22:20:241
2067199160,7cyclictest29979-21gdbus23:55:181
2067199160,15cyclictest18632-21sshd21:27:131
199852160,0sleep00-21swapper/023:19:250
134532160,2sleep02066599cyclictest21:34:040
120712160,0sleep30-21swapper/321:53:093
78902150,0sleep00-21swapper/021:41:450
33752150,1sleep13350-21sshd00:38:001
2067699150,13cyclictest22267-21bash23:33:242
2067199159,5cyclictest674-21dbus-daemon00:25:131
2067199150,7cyclictest674-21dbus-daemon23:40:211
2067199150,7cyclictest674-21dbus-daemon00:34:571
2067199150,7cyclictest674-21dbus-daemon00:34:561
2067199150,7cyclictest649-21polkitd23:03:171
2067199150,6cyclictest674-21dbus-daemon23:21:231
2067199150,6cyclictest674-21dbus-daemon22:00:491
2067199150,6cyclictest649-21polkitd22:35:461
2067199150,5cyclictest31931-21sshd21:52:041
14732150,1sleep01462-21sshd00:32:200
14732150,1sleep01462-21sshd00:32:190
101192150,0sleep20-21swapper/221:26:092
2067199149,4cyclictest5886-21grep23:45:431
2067199143,6cyclictest674-21dbus-daemon00:20:231
2067199143,6cyclictest674-21dbus-daemon00:20:221
2067199143,5cyclictest649-21polkitd00:14:561
2067199143,5cyclictest649-21polkitd00:14:561
2067199142,6cyclictest674-21dbus-daemon23:34:471
2067199140,6cyclictest674-21dbus-daemon23:53:361
2067199140,6cyclictest674-21dbus-daemon23:11:531
2067199140,6cyclictest674-21dbus-daemon00:04:571
2067199140,6cyclictest642-21systemd-logind22:44:301
2067199140,6cyclictest12214-21sshd22:59:251
2067199140,5cyclictest0-21swapper/122:34:001
2067199140,0cyclictest0-21swapper/121:58:331
299342130,0sleep30-21swapper/321:12:523
20681991310,1cyclictest2365-21sshd21:35:473
2067699130,12cyclictest0-21swapper/222:45:042
2067199134,5cyclictest699-21gdbus21:38:211
2067199130,7cyclictest28155-21sshd00:15:161
2067199130,7cyclictest28155-21sshd00:15:161
2067199130,6cyclictest674-21dbus-daemon22:25:111
2067199130,6cyclictest674-21dbus-daemon22:11:231
2067199130,6cyclictest5001-21sshd21:44:181
2067199130,6cyclictest31366-21grep19:35:001
2067199130,6cyclictest20133-21sshd22:15:501
2067199130,6cyclictest1-21systemd21:31:181
2067199130,6cyclictest10130-21grepconf.sh22:50:521
2067199130,5cyclictest8029-21bash21:10:141
2067199130,5cyclictest1-21systemd23:27:051
2067199130,10cyclictest674-21dbus-daemon00:07:191
2067199130,0cyclictest0-21swapper/123:38:431
20681991210,1cyclictest26214-21lspci21:20:173
2068199120,1cyclictest10603-21bash23:15:473
2068199120,11cyclictest0-21swapper/323:02:463
2067699120,1cyclictest624-13audispd00:04:042
2067699120,11cyclictest1156-21sshd00:29:332
2067699120,11cyclictest0-21swapper/222:54:542
2067699120,11cyclictest0-21swapper/221:10:242
2067199120,9cyclictest0-21swapper/120:06:531
2067199120,6cyclictest674-21dbus-daemon21:20:181
2066599120,11cyclictest11318-21sshd21:50:170
2068199119,1cyclictest1-21systemd23:06:273
2068199119,1cyclictest0-21swapper/322:17:273
2068199119,1cyclictest0-21swapper/300:38:563
2068199110,1cyclictest20248-21sshd23:35:563
2068199110,1cyclictest17302-21sshd23:55:033
2068199110,10cyclictest2574-21sshd22:11:363
2068199110,10cyclictest0-21swapper/322:47:163
2068199110,10cyclictest0-21swapper/322:33:373
2068199110,10cyclictest0-21swapper/322:02:573
2067699119,1cyclictest7300-21grep23:26:332
2067699119,1cyclictest28755-21sshd22:11:032
2067699119,1cyclictest1-21systemd21:16:042
20676991110,0cyclictest0-21swapper/221:57:132
20676991110,0cyclictest0-21swapper/200:34:242
20676991110,0cyclictest0-21swapper/200:34:242
20676991110,0cyclictest0-21swapper/200:14:142
20676991110,0cyclictest0-21swapper/200:14:132
2067699110,10cyclictest0-21swapper/221:23:232
2067699110,10cyclictest0-21swapper/220:55:132
2067199110,6cyclictest674-21dbus-daemon19:15:001
20665991110,0cyclictest0-21swapper/021:57:270
20665991110,0cyclictest0-21swapper/021:16:170
2066599110,10cyclictest0-21swapper/023:04:270
2066599110,0cyclictest0-21swapper/021:10:360
2068199109,0cyclictest0-21swapper/323:33:573
2068199109,0cyclictest0-21swapper/321:56:363
2068199109,0cyclictest0-21swapper/321:25:373
2068199109,0cyclictest0-21swapper/319:43:073
2068199109,0cyclictest0-21swapper/300:22:273
2068199109,0cyclictest0-21swapper/300:22:273
2068199109,0cyclictest0-21swapper/300:11:073
2068199109,0cyclictest0-21swapper/300:11:063
2068199100,9cyclictest0-21swapper/323:29:063
2068199100,0cyclictest0-21swapper/323:43:173
2068199100,0cyclictest0-21swapper/300:30:073
2068199100,0cyclictest0-21swapper/300:30:073
2067699109,0cyclictest0-21swapper/223:50:332
2067699109,0cyclictest0-21swapper/221:44:042
2067699109,0cyclictest0-21swapper/219:40:142
2067699109,0cyclictest0-21swapper/200:24:442
2067699109,0cyclictest0-21swapper/200:24:432
2067699108,1cyclictest33-21ksoftirqd/223:45:112
2067699100,0cyclictest0-21swapper/223:12:242
2067699100,0cyclictest0-21swapper/222:00:242
2067699100,0cyclictest0-21swapper/221:50:042
2067199101,5cyclictest2317-21which19:40:171
2067199100,9cyclictest0-21swapper/120:00:331
2067199100,7cyclictest7628-21expr19:55:121
2067199100,7cyclictest32523-21uname20:55:141
2067199100,6cyclictest14548-21which20:10:161
2066599109,0cyclictest0-21swapper/000:12:470
2066599109,0cyclictest0-21swapper/000:12:470
2066599109,0cyclictest0-21swapper/000:06:160
2066599100,0cyclictest10265-21sshd23:54:270
24322290,0sleep20-21swapper/200:39:502
206819995,2cyclictest2848-21sshd22:06:073
206769998,0cyclictest0-21swapper/223:05:542
206769998,0cyclictest0-21swapper/220:49:142
206769997,1cyclictest0-21swapper/222:25:342
206719998,0cyclictest0-21swapper/120:35:131
206719993,5cyclictest28246-21cat20:45:141
206719993,5cyclictest1002-21snmpd21:07:581
206719993,5cyclictest1002-21snmpd21:03:041
206719993,5cyclictest1002-21snmpd20:51:211
206719993,5cyclictest1002-21snmpd19:18:161
206719990,5cyclictest25609-21cpuspeed_turbos19:20:111
206719990,5cyclictest18788-21wc20:20:191
206719990,5cyclictest16668-21cat20:15:191
206659998,0cyclictest0-21swapper/023:39:370
206659998,0cyclictest0-21swapper/022:57:570
206659998,0cyclictest0-21swapper/022:03:460
206659998,0cyclictest0-21swapper/000:35:460
206659997,1cyclictest25589-21sshd22:24:400
206659997,1cyclictest17620-21sshd23:24:460
206659996,2cyclictest674-21dbus-daemon23:31:150
4943280,0sleep00-21swapper/022:39:290
206819987,0cyclictest0-21swapper/300:25:163
206819986,1cyclictest41-21ksoftirqd/321:43:273
206819986,1cyclictest20947-21lspci23:52:323
206819983,1cyclictest674-21dbus-daemon22:54:173
206769986,1cyclictest27035-21lspci23:17:122
206769985,2cyclictest660-21avahi-daemon23:43:222
206769985,2cyclictest660-21avahi-daemon23:24:182
206769985,2cyclictest660-21avahi-daemon22:55:352
206769985,2cyclictest660-21avahi-daemon22:17:022
206769985,2cyclictest660-21avahi-daemon21:30:052
206719983,4cyclictest1002-21snmpd19:25:361
206719982,5cyclictest649-21polkitd20:34:591
206719982,5cyclictest1002-21snmpd20:44:081
206719982,5cyclictest1002-21snmpd19:52:581
206719982,5cyclictest1002-21snmpd19:37:121
206719980,6cyclictest19794-21expr20:25:131
206719980,4cyclictest4184-21ntp_states19:45:181
206659987,0cyclictest0-21swapper/023:25:570
206659986,1cyclictest13639-21lspci23:10:300
206659985,2cyclictest674-21dbus-daemon00:28:490
206659985,2cyclictest660-21avahi-daemon23:45:260
206659985,2cyclictest660-21avahi-daemon23:44:520
206659985,2cyclictest24388-21sshd22:10:410
206819975,1cyclictest660-21avahi-daemon22:40:133
206819975,1cyclictest660-21avahi-daemon21:15:143
206819975,1cyclictest660-21avahi-daemon00:05:123
206819974,2cyclictest660-21avahi-daemon23:46:473
206819973,3cyclictest660-21avahi-daemon23:20:573
206819973,2cyclictest3888-21sshd22:20:023
206769976,0cyclictest0-21swapper/220:30:142
206769975,1cyclictest699-21gdbus23:55:452
206769975,1cyclictest660-21avahi-daemon22:41:082
206769975,1cyclictest660-21avahi-daemon22:35:162
206659975,1cyclictest660-21avahi-daemon21:25:100
206659975,1cyclictest660-21avahi-daemon00:01:280
206819964,1cyclictest5815-21sshd21:09:593
206819963,2cyclictest699-21gdbus20:04:543
206819963,2cyclictest674-21dbus-daemon20:35:003
206819963,2cyclictest1002-21snmpd20:22:083
206819963,2cyclictest1002-21snmpd20:07:443
206819963,2cyclictest1002-21snmpd19:58:533
206819963,2cyclictest1002-21snmpd19:15:073
206819960,5cyclictest0-21swapper/320:17:473
206819960,5cyclictest0-21swapper/319:54:273
206819960,5cyclictest0-21swapper/319:37:463
206769963,2cyclictest25832-21cpuspeed_turbos20:40:102
206769963,2cyclictest1002-21snmpd21:04:102
206769963,2cyclictest1002-21snmpd20:50:572
206769963,2cyclictest1002-21snmpd20:15:372
206769962,2cyclictest11852-21sshd20:05:102
206659966,0cyclictest7174-21kworker/0:120:12:230
206659966,0cyclictest7174-21kworker/0:120:06:500
206659966,0cyclictest7174-21kworker/0:120:00:190
206659966,0cyclictest7174-21kworker/0:119:57:070
206659966,0cyclictest29301-21kworker/0:019:46:230
206659966,0cyclictest29301-21kworker/0:019:30:370
206659966,0cyclictest27505-21kworker/0:020:57:480
206659966,0cyclictest27505-21kworker/0:020:46:530
206659966,0cyclictest25229-21kworker/0:119:25:340
206659966,0cyclictest25229-21kworker/0:119:20:290
206659966,0cyclictest23435-21kworker/0:220:40:130
206659966,0cyclictest19395-21kworker/0:120:30:140
206659966,0cyclictest19395-21kworker/0:120:26:430
206659966,0cyclictest15288-21kworker/0:020:20:030
206659966,0cyclictest15288-21kworker/0:020:15:120
206659966,0cyclictest1242-21kworker/0:121:05:150
206659963,2cyclictest1002-21snmpd19:38:370
206659960,5cyclictest0-21swapper/019:19:570
206819954,0cyclictest0-21swapper/319:26:273
206819954,0cyclictest0-21swapper/319:20:463
206819953,1cyclictest649-21polkitd20:44:543
206819953,1cyclictest24161-21mii-tool20:35:143
206819953,1cyclictest21315-21cat19:10:123
206819953,1cyclictest2011-21cat21:00:143
206819953,1cyclictest1705-21sendmail19:45:183
206819953,1cyclictest1002-21snmpd20:51:563
206819953,1cyclictest1002-21snmpd20:10:053
206819952,2cyclictest1002-21snmpd20:55:283
206819952,2cyclictest1002-21snmpd20:45:273
206819952,2cyclictest1002-21snmpd19:31:013
206819951,1cyclictest20712-21cat20:25:203
206769954,0cyclictest0-21swapper/219:10:132
206769953,1cyclictest27973-21cat19:25:132
206769953,1cyclictest18515-21grep20:20:172
206769953,1cyclictest1002-21snmpd20:35:152
206769953,1cyclictest1002-21snmpd20:29:352
206769953,1cyclictest1002-21snmpd20:12:052
206769953,1cyclictest1002-21snmpd20:01:312
206769953,1cyclictest1002-21snmpd19:50:192
206769953,1cyclictest1002-21snmpd19:37:182
206769953,1cyclictest1002-21snmpd19:33:492
206769953,1cyclictest1002-21snmpd19:21:132
206769953,1cyclictest1002-21snmpd19:16:162
206769952,2cyclictest3911-21gltestperf21:05:112
206769950,0cyclictest0-21swapper/219:55:042
206659955,0cyclictest27505-21kworker/0:020:50:090
206659955,0cyclictest23435-21kworker/0:220:35:090
206659955,0cyclictest20566-21kworker/0:219:10:030
206659955,0cyclictest1242-21kworker/0:121:00:090
206659953,1cyclictest5829-21mii-tool19:50:120
206659953,1cyclictest1382-21tr19:40:110
206769942,1cyclictest3738-21idleruntime19:45:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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