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2026-05-12 - 01:50
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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 Tue May 12, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254022910,0sleep00-21swapper/022:52:430
254022910,0sleep00-21swapper/022:52:420
267892600,0sleep00-21swapper/022:14:100
9372570,0sleep20-21swapper/221:38:462
25222570,0sleep20-21swapper/222:48:002
225552570,0sleep00-21swapper/021:35:040
317462550,0sleep30-21swapper/322:25:333
263182550,0sleep20-21swapper/200:35:192
263182550,0sleep20-21swapper/200:35:182
15312530,1sleep21528-21sshd21:55:212
107312530,0sleep30-21swapper/322:51:263
107312530,0sleep30-21swapper/322:51:253
220872520,0sleep10-21swapper/123:22:561
66722510,1sleep0699-21gdbus23:21:350
225492510,0sleep30-21swapper/322:44:133
37542500,1sleep13752-21lspci00:22:201
314092500,1sleep131397-21sshd23:59:491
30992500,1sleep03096-21lspci22:34:170
237572500,0sleep0111rcuc/022:05:330
198452490,0sleep20-21swapper/222:16:162
157522490,0sleep10-21swapper/100:06:411
66792480,0sleep30-21swapper/319:55:173
42772480,0sleep3391rcuc/323:38:033
258192480,1sleep225817-21lspci22:52:452
258192480,1sleep225817-21lspci22:52:442
187152480,0sleep20-21swapper/223:00:222
187152480,0sleep20-21swapper/223:00:212
104772480,0sleep210479-21bash22:04:302
76492460,0sleep10-21swapper/123:43:541
4912460,0sleep10-21swapper/100:27:371
287022450,0sleep00-21swapper/000:18:550
175912450,0sleep00-21swapper/023:41:570
211662430,2sleep11915499cyclictest22:38:341
75102380,0sleep20-21swapper/221:33:462
1898723110,7sleep10-21swapper/119:09:271
188692288,7sleep20-21swapper/219:07:562
1895122211,7sleep00-21swapper/019:08:570
178322229,7sleep30-21swapper/319:05:163
111092190,0sleep10-21swapper/123:30:171
304632180,0sleep10-21swapper/100:32:571
183902180,2sleep3401ktimersoftd/323:05:563
26492170,0sleep00-21swapper/021:44:300
241562170,1sleep341-21ksoftirqd/321:54:383
165062170,0sleep1231rcuc/122:57:291
165062170,0sleep1231rcuc/122:57:281
222872160,0sleep00-21swapper/022:19:180
206102160,0sleep30-21swapper/322:55:063
206102160,0sleep30-21swapper/322:55:053
20252160,0sleep12020-21lspci21:49:591
1916599160,14cyclictest699-21gdbus21:53:142
19150991614,1cyclictest699-21gdbus21:20:200
1915099160,14cyclictest1-21systemd00:10:110
162072160,0sleep20-21swapper/222:07:432
159872160,0sleep30-21swapper/321:11:123
120712160,0sleep012062-21sshd21:26:310
89642150,1sleep20-21swapper/223:30:102
297432150,0sleep30-21swapper/300:35:363
297432150,0sleep30-21swapper/300:35:353
268872150,0sleep10-21swapper/121:12:341
265262150,0sleep20-21swapper/222:11:182
241732150,1sleep024156-21sshd23:00:520
241732150,1sleep024156-21sshd23:00:510
1917199150,2cyclictest22504-21systemd-cgroups23:59:023
1915499150,13cyclictest0-21swapper/121:39:311
170462150,0sleep00-21swapper/023:28:030
140222150,0sleep014001-21sshd00:34:200
75652140,0sleep30-21swapper/321:55:543
44182140,1sleep3391rcuc/323:15:493
285962140,0sleep10-21swapper/122:53:001
285962140,0sleep10-21swapper/122:52:591
24032140,0sleep10-21swapper/123:29:361
201232140,0sleep20-21swapper/221:11:432
1916599140,13cyclictest27106-21sshd22:58:242
1916599140,13cyclictest27106-21sshd22:58:232
19154991413,0cyclictest14171-21lspci21:56:291
122542140,0sleep10-21swapper/121:53:361
59042130,0sleep00-21swapper/021:50:140
51932130,2sleep01915099cyclictest00:03:050
1917199130,1cyclictest0-21swapper/300:07:223
1916599130,2cyclictest24143-21sshd00:01:542
1916599130,1cyclictest5674-21sshd22:20:342
140562130,1sleep10-21swapper/122:18:341
285032120,0sleep2311rcuc/223:09:392
248112120,0sleep10-21swapper/120:40:141
1917199120,11cyclictest12437-21bash21:18:423
1917199120,11cyclictest0-21swapper/300:04:113
1916599120,1cyclictest0-21swapper/222:27:132
1916599120,11cyclictest674-21dbus-daemon21:27:142
19150991210,1cyclictest4212-21bash00:25:110
1915099120,1cyclictest8954-21sshd21:10:200
1915099120,11cyclictest8766-21sshd22:23:410
1915099120,11cyclictest0-21swapper/021:33:410
27992110,2sleep11915499cyclictest22:25:511
1917199110,10cyclictest0-21swapper/321:22:313
1917199110,10cyclictest0-21swapper/300:26:413
1916599119,1cyclictest28550-21sshd23:29:032
1916599119,1cyclictest23531-21grepconf.sh23:23:042
1916599119,1cyclictest0-21swapper/223:16:442
19165991110,0cyclictest0-21swapper/221:24:332
1916599110,10cyclictest0-21swapper/223:58:442
1916599110,10cyclictest0-21swapper/223:11:332
1916599110,10cyclictest0-21swapper/200:07:042
1915499119,1cyclictest25604-21bash23:48:131
19154991110,0cyclictest0-21swapper/121:22:011
19154991110,0cyclictest0-21swapper/119:25:111
1915499110,10cyclictest0-21swapper/100:18:221
1915499110,0cyclictest0-21swapper/122:34:521
1915099113,4cyclictest32124-21perf20:59:590
1915099110,10cyclictest0-21swapper/022:48:210
1917199109,0cyclictest0-21swapper/322:45:523
1917199109,0cyclictest0-21swapper/322:31:023
1917199109,0cyclictest0-21swapper/322:22:023
1917199108,1cyclictest649-21polkitd23:23:223
1917199108,1cyclictest22884-21sshd22:16:323
1917199108,1cyclictest0-21swapper/323:33:023
1917199100,0cyclictest0-21swapper/323:00:423
1917199100,0cyclictest0-21swapper/323:00:413
1917199100,0cyclictest0-21swapper/321:43:323
1916599108,1cyclictest623-17sedispatch22:40:442
1916599100,0cyclictest0-21swapper/220:30:132
1915499109,0cyclictest28646-21lspci21:16:401
1915499108,1cyclictest25-21ksoftirqd/122:40:111
1915499100,0cyclictest0-21swapper/122:01:211
1915099109,0cyclictest0-21swapper/022:41:300
1915099109,0cyclictest0-21swapper/020:04:410
1915099109,0cyclictest0-21swapper/019:27:110
1915099108,1cyclictest30769-21sshd21:46:510
1915099108,1cyclictest0-21swapper/023:32:410
1915099100,0cyclictest0-21swapper/023:58:410
1915099100,0cyclictest0-21swapper/023:53:300
1915099100,0cyclictest0-21swapper/023:13:310
1915099100,0cyclictest0-21swapper/021:16:310
1915099100,0cyclictest0-21swapper/000:07:000
191719998,0cyclictest0-21swapper/322:03:513
191719998,0cyclictest0-21swapper/321:35:523
191719998,0cyclictest0-21swapper/319:40:223
191659998,0cyclictest0-21swapper/223:37:332
191659998,0cyclictest0-21swapper/219:25:232
191659998,0cyclictest0-21swapper/200:15:232
191659998,0cyclictest0-21swapper/200:12:142
191549997,1cyclictest25-21ksoftirqd/123:15:441
191549997,1cyclictest25-21ksoftirqd/122:12:511
191549994,4cyclictest660-21avahi-daemon22:06:021
191549991,1cyclictest131rcu_sched23:02:271
191549991,1cyclictest131rcu_sched23:02:261
191549991,1cyclictest131rcu_sched22:22:291
191549991,1cyclictest131rcu_sched00:02:061
191509998,0cyclictest0-21swapper/020:48:400
191509998,0cyclictest0-21swapper/019:40:000
191509997,1cyclictest0-21swapper/023:15:300
191509990,5cyclictest25765-21awk19:25:010
19135290,1sleep119117-21bash23:14:231
191719987,0cyclictest0-21swapper/323:50:413
191719986,1cyclictest23655-21lspci23:45:153
191719986,1cyclictest21198-21lspci23:42:163
191719985,2cyclictest660-21avahi-daemon23:25:083
191719985,2cyclictest660-21avahi-daemon23:11:173
191719985,2cyclictest660-21avahi-daemon22:11:393
191719985,2cyclictest660-21avahi-daemon22:08:313
191719985,2cyclictest660-21avahi-daemon21:49:423
191719985,2cyclictest660-21avahi-daemon21:25:253
191719985,2cyclictest660-21avahi-daemon00:11:403
191719984,3cyclictest674-21dbus-daemon00:15:453
191659987,0cyclictest0-21swapper/200:24:042
191659986,1cyclictest26667-21lspci22:39:022
191659986,1cyclictest16451-21lspci21:45:352
191659985,2cyclictest660-21avahi-daemon23:53:542
191659985,2cyclictest660-21avahi-daemon23:40:102
191659985,2cyclictest660-21avahi-daemon21:40:512
191659985,2cyclictest660-21avahi-daemon00:32:532
191549987,0cyclictest13930-21lspci21:26:461
191549987,0cyclictest0-21swapper/122:45:221
191549986,1cyclictest25-21ksoftirqd/123:50:541
191549986,1cyclictest25-21ksoftirqd/123:05:091
191549986,1cyclictest25-21ksoftirqd/121:40:071
191549986,1cyclictest25-21ksoftirqd/121:30:181
191549986,1cyclictest25-21ksoftirqd/100:35:141
191549986,1cyclictest25-21ksoftirqd/100:35:141
191549986,1cyclictest25-21ksoftirqd/100:11:321
191549984,3cyclictest674-21dbus-daemon23:35:051
191509987,0cyclictest0-21swapper/023:35:310
191509987,0cyclictest0-21swapper/021:00:510
191509986,1cyclictest660-21avahi-daemon22:02:550
191509986,1cyclictest622-13audispd21:58:080
191509986,1cyclictest622-13audispd00:22:300
191509986,1cyclictest12493-21lspci00:39:470
191509986,1cyclictest12493-21lspci00:39:470
191509986,1cyclictest10442-21lspci22:56:570
191509986,1cyclictest10442-21lspci22:56:560
191509985,2cyclictest660-21avahi-daemon23:07:260
191509985,2cyclictest642-21systemd-logind22:37:110
24541270,1sleep30-21swapper/320:40:123
191719975,1cyclictest660-21avahi-daemon21:30:483
191719975,1cyclictest14493-21lspci22:35:123
191719974,2cyclictest660-21avahi-daemon00:33:263
191719974,2cyclictest660-21avahi-daemon00:20:453
191659975,1cyclictest660-21avahi-daemon23:47:522
191659975,1cyclictest660-21avahi-daemon00:25:172
191659975,1cyclictest26760-21sshd22:30:412
191659975,1cyclictest1002-21snmpd20:06:422
191659974,2cyclictest674-21dbus-daemon21:17:022
191509976,0cyclictest0-21swapper/020:26:310
191509976,0cyclictest0-21swapper/020:15:410
191509976,0cyclictest0-21swapper/020:10:310
191509976,0cyclictest0-21swapper/019:17:400
191509975,1cyclictest660-21avahi-daemon23:45:590
191509975,1cyclictest12264-21sshd22:26:410
191509970,6cyclictest0-21swapper/019:46:310
191719963,2cyclictest1002-21snmpd20:32:233
191719963,2cyclictest1002-21snmpd20:15:483
191719963,2cyclictest1002-21snmpd20:12:373
191719963,2cyclictest1002-21snmpd20:08:193
191719963,2cyclictest1002-21snmpd20:03:573
191719963,2cyclictest1002-21snmpd19:31:303
191719960,5cyclictest0-21swapper/321:05:013
191659964,1cyclictest699-21gdbus20:19:592
191659964,1cyclictest660-21avahi-daemon19:15:002
191659964,1cyclictest3868-21sshd21:09:342
191659963,2cyclictest1002-21snmpd20:46:142
191659963,2cyclictest1002-21snmpd20:38:412
191659963,2cyclictest1002-21snmpd20:13:312
191659963,2cyclictest1002-21snmpd19:24:382
191659960,5cyclictest0-21swapper/221:00:542
191549964,1cyclictest8814-21grep20:00:171
191549964,1cyclictest699-21gdbus21:09:541
191549963,2cyclictest1002-21snmpd20:13:251
191549963,2cyclictest1002-21snmpd19:35:091
191509966,0cyclictest25735-21kworker/0:119:53:170
191509965,0cyclictest0-21swapper/019:11:510
191509963,2cyclictest1002-21snmpd20:07:240
191509963,2cyclictest1002-21snmpd19:35:300
191509960,5cyclictest0-21swapper/020:23:000
191509960,0cyclictest0-21swapper/019:58:500
191719953,1cyclictest597-21strings21:00:163
191719953,1cyclictest4268-21cat19:50:133
191719953,1cyclictest21121-21crond19:15:013
191719953,1cyclictest1080-21rs:main3
191719953,1cyclictest1002-21snmpd20:53:073
191719953,1cyclictest1002-21snmpd20:45:113
191719953,1cyclictest1002-21snmpd19:25:113
191719953,1cyclictest1002-21snmpd19:12:133
191719952,2cyclictest674-21dbus-daemon19:35:003
191719952,2cyclictest2786-21gunzip19:45:183
191719952,2cyclictest22994-21ntpq20:35:173
191719950,4cyclictest31018-21nfsd420:55:153
191719950,4cyclictest0-21swapper/320:28:213
191719950,2cyclictest24371-21/usr/sbin/munin19:20:133
191659954,0cyclictest0-21swapper/220:55:132
191659954,0cyclictest0-21swapper/219:50:432
191659953,1cyclictest674-21dbus-daemon20:20:002
191659953,1cyclictest674-21dbus-daemon19:40:002
191659953,1cyclictest649-21polkitd19:30:012
191659953,1cyclictest1088-21ntpd19:55:172
191659953,1cyclictest1002-21snmpd20:41:582
191659953,1cyclictest1002-21snmpd19:46:182
191659953,1cyclictest1002-21snmpd19:36:452
191659953,1cyclictest1002-21snmpd19:12:022
191659950,4cyclictest19591-21sshd20:26:362
191549955,0cyclictest29804-21kworker/1:119:45:141
191549953,1cyclictest9931-21/usr/sbin/munin20:05:161
191549953,1cyclictest4306-21cat19:50:141
191549953,1cyclictest1002-21snmpd21:01:451
191549953,1cyclictest1002-21snmpd20:59:141
191549953,1cyclictest1002-21snmpd20:50:171
191549953,1cyclictest1002-21snmpd20:45:591
191549953,1cyclictest1002-21snmpd20:36:291
191549953,1cyclictest1002-21snmpd20:31:431
191549953,1cyclictest1002-21snmpd20:26:041
191549953,1cyclictest1002-21snmpd20:16:001
191549953,1cyclictest1002-21snmpd19:55:031
191549953,1cyclictest1002-21snmpd19:17:311
191549950,4cyclictest20194-21ntp_states19:10:161
191549950,4cyclictest0-21swapper/120:22:021
191549950,2cyclictest24114-21/usr/sbin/munin19:20:111
191509953,1cyclictest24644-21cat20:40:140
191509953,1cyclictest1002-21snmpd21:05:030
191509953,1cyclictest1002-21snmpd20:51:350
191509953,1cyclictest1002-21snmpd20:32:490
191509953,1cyclictest1002-21snmpd19:33:230
191659942,1cyclictest8375-21if_err_eno120:00:142
191659942,1cyclictest28333-21cpuspeed_turbos20:50:132
191549942,1cyclictest32395-21gltestperf19:40:121
191549942,1cyclictest29045-21find19:30:171
191509942,1cyclictest22645-21cat20:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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