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2026-04-16 - 05:00
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Thu Apr 16, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120042970,0sleep30-21swapper/300:31:553
228572770,0sleep10-21swapper/123:20:561
145132730,1sleep214511-21sshd21:47:342
205342720,0sleep10-21swapper/122:15:121
124292600,0sleep30-21swapper/322:36:563
187482580,0sleep30-21swapper/323:05:003
7982560,0sleep00-21swapper/000:37:540
45362540,1sleep30-21swapper/300:11:533
154432540,0sleep015438-21sshd00:32:160
119682530,0sleep0101ktimersoftd/000:20:430
38452520,0sleep10-21swapper/121:56:221
38452520,0sleep10-21swapper/121:56:211
159202520,0sleep10-21swapper/123:16:071
75532500,1sleep3401ktimersoftd/322:24:353
68172500,0sleep10-21swapper/123:54:051
68172500,0sleep10-21swapper/123:54:041
281132490,0sleep20-21swapper/222:12:242
281132490,0sleep20-21swapper/222:12:242
169352490,1sleep016932-21lspci21:14:030
321782480,0sleep10-21swapper/122:09:311
266292470,0sleep30-21swapper/323:21:233
254022470,0sleep10-21swapper/122:38:221
246802470,0sleep2311rcuc/223:55:542
229872470,0sleep20-21swapper/223:40:532
229872470,0sleep20-21swapper/223:40:522
143852450,0sleep20-21swapper/200:32:102
327152308,7sleep20-21swapper/219:08:002
326442265,7sleep00-21swapper/019:07:060
32322210,7sleep30-21swapper/319:08:583
325612209,7sleep10-21swapper/119:06:031
101772200,0sleep00-21swapper/023:47:030
55232190,0sleep35526-21cpuspeed_turbos19:20:103
262322190,0sleep00-21swapper/021:15:150
288502170,0sleep30-21swapper/322:31:043
288502170,0sleep30-21swapper/322:31:033
19282170,0sleep0111rcuc/000:19:320
19282170,0sleep0111rcuc/000:19:310
547991616,0cyclictest241ktimersoftd/119:50:081
200792160,1sleep2321ktimersoftd/222:04:512
131722160,0sleep00-21swapper/000:09:300
54599151,4cyclictest649-21polkitd21:55:080
54599151,4cyclictest649-21polkitd21:55:070
54599150,3cyclictest674-21dbus-daemon22:36:020
64042140,0sleep00-21swapper/023:57:400
547991414,0cyclictest241ktimersoftd/119:28:441
545991412,1cyclictest674-21dbus-daemon23:19:410
54599141,1cyclictest642-21systemd-logind22:53:260
52612140,0sleep20-21swapper/223:34:402
52612140,0sleep20-21swapper/223:34:392
254442140,0sleep2321ktimersoftd/221:25:032
232692140,0sleep023261-21sshd21:41:460
223652140,0sleep30-21swapper/300:25:383
214902140,0sleep20-21swapper/223:36:322
214902140,0sleep20-21swapper/223:36:312
89012130,0sleep10-21swapper/123:27:141
89012130,0sleep10-21swapper/123:27:131
54999130,1cyclictest624-13audispd22:13:173
54999130,1cyclictest624-13audispd22:13:173
54799130,12cyclictest0-21swapper/122:11:001
54799130,12cyclictest0-21swapper/122:10:591
54599134,2cyclictest9-21ksoftirqd/022:59:140
54599133,5cyclictest674-21dbus-daemon22:19:490
54599132,1cyclictest674-21dbus-daemon23:40:420
54599132,1cyclictest674-21dbus-daemon23:40:420
54599132,1cyclictest642-21systemd-logind22:26:400
54599132,1cyclictest642-21systemd-logind22:26:390
54599131,4cyclictest710-21NetworkManager23:37:480
54599131,4cyclictest710-21NetworkManager23:37:470
54599131,3cyclictest674-21dbus-daemon22:07:470
54599131,3cyclictest674-21dbus-daemon21:38:140
54599131,3cyclictest674-21dbus-daemon21:38:130
54599131,3cyclictest649-21polkitd22:45:170
545991310,2cyclictest22485-21grep23:52:110
545991310,2cyclictest22485-21grep23:52:100
54599130,6cyclictest674-21dbus-daemon00:25:540
54599130,4cyclictest674-21dbus-daemon21:45:240
54599130,3cyclictest674-21dbus-daemon23:03:000
54599130,1cyclictest0-21swapper/021:22:210
281632130,0sleep10-21swapper/121:25:171
24732130,0sleep125-21ksoftirqd/121:42:591
54999120,1cyclictest24759-21sshd21:58:283
54999120,1cyclictest24759-21sshd21:58:273
54999120,11cyclictest6798-21sshd21:21:473
54999120,11cyclictest4517-21grepconf.sh21:49:483
54999120,11cyclictest30545-21lspci22:16:083
54999120,11cyclictest0-21swapper/323:31:483
54999120,11cyclictest0-21swapper/323:31:473
54799125,1cyclictest25-21ksoftirqd/123:40:061
54799125,1cyclictest25-21ksoftirqd/123:40:061
54799122,1cyclictest25-21ksoftirqd/122:40:151
547991211,0cyclictest241ktimersoftd/122:28:251
547991211,0cyclictest241ktimersoftd/122:28:241
54799121,10cyclictest0-21swapper/123:12:501
54799121,10cyclictest0-21swapper/123:12:491
54799120,1cyclictest17576-21grep21:18:481
54799120,1cyclictest0-21swapper/100:21:491
54799120,11cyclictest17980-21grep00:28:401
54799120,11cyclictest0-21swapper/122:45:201
54599122,3cyclictest699-21gdbus22:12:470
54599122,3cyclictest699-21gdbus22:12:460
54599122,1cyclictest674-21dbus-daemon00:10:540
54599121,5cyclictest674-21dbus-daemon23:05:060
54599121,5cyclictest674-21dbus-daemon23:05:050
54599121,5cyclictest649-21polkitd22:24:510
54599121,3cyclictest674-21dbus-daemon23:11:590
54599121,3cyclictest674-21dbus-daemon23:11:590
54599121,3cyclictest674-21dbus-daemon22:41:360
54599121,3cyclictest649-21polkitd00:01:210
54599121,1cyclictest27225-21sshd23:21:260
54599120,3cyclictest674-21dbus-daemon21:53:160
54599120,3cyclictest649-21polkitd23:26:020
54599120,3cyclictest649-21polkitd23:26:010
54599120,2cyclictest14007-21sshd22:33:090
54599120,2cyclictest14007-21sshd22:33:080
54599120,11cyclictest1-21systemd21:33:310
54599120,11cyclictest1-21systemd21:33:300
54999119,1cyclictest310-21systemd-cgroups22:55:083
54999119,1cyclictest27981-21lspci23:13:583
54999119,1cyclictest27981-21lspci23:13:573
54999110,10cyclictest1-21systemd22:26:583
54999110,10cyclictest1-21systemd22:26:573
54999110,10cyclictest0-21swapper/322:42:283
54999110,10cyclictest0-21swapper/321:44:273
54999110,10cyclictest0-21swapper/321:34:083
54999110,10cyclictest0-21swapper/321:34:073
54799116,1cyclictest25-21ksoftirqd/100:00:121
54799114,1cyclictest25-21ksoftirqd/122:56:481
54799113,1cyclictest25-21ksoftirqd/100:14:181
54799111,2cyclictest131rcu_sched21:36:591
54799111,2cyclictest131rcu_sched21:36:581
54799111,1cyclictest25-21ksoftirqd/122:04:161
54799111,1cyclictest131rcu_sched23:36:201
54799111,1cyclictest131rcu_sched23:36:191
54799111,1cyclictest131rcu_sched22:30:401
54799111,1cyclictest131rcu_sched22:30:391
547991111,0cyclictest241ktimersoftd/120:31:281
547991110,0cyclictest0-21swapper/123:45:201
547991110,0cyclictest0-21swapper/121:21:091
547991110,0cyclictest0-21swapper/100:09:201
54799110,1cyclictest121rcu_preempt21:51:591
54799110,1cyclictest121rcu_preempt00:32:211
54799110,0cyclictest121rcu_preempt23:34:371
54799110,0cyclictest121rcu_preempt23:34:371
54599113,2cyclictest9-21ksoftirqd/022:00:240
54599111,3cyclictest29979-21gdbus23:31:480
54599111,3cyclictest29979-21gdbus23:31:470
54599111,2cyclictest8425-21sshd21:27:080
206592110,1sleep2321ktimersoftd/222:30:112
206592110,1sleep2321ktimersoftd/222:30:102
54999109,0cyclictest0-21swapper/320:45:373
54999108,1cyclictest8970-21sshd21:12:573
54999100,0cyclictest0-21swapper/323:46:273
54999100,0cyclictest0-21swapper/321:53:373
54999100,0cyclictest0-21swapper/320:29:583
54799108,1cyclictest0-21swapper/123:05:301
54799108,1cyclictest0-21swapper/123:05:291
54799103,1cyclictest25-21ksoftirqd/122:52:461
54799102,4cyclictest25-21ksoftirqd/121:10:481
54799102,2cyclictest25-21ksoftirqd/100:16:041
54799102,2cyclictest25-21ksoftirqd/100:16:031
54799102,1cyclictest25-21ksoftirqd/121:33:131
54799102,1cyclictest25-21ksoftirqd/121:33:131
54799101,1cyclictest25-21ksoftirqd/123:55:561
54799101,1cyclictest0-21swapper/123:02:341
547991010,0cyclictest241ktimersoftd/119:30:431
547991010,0cyclictest1002-21snmpd19:38:001
54799100,1cyclictest25-21ksoftirqd/121:46:491
54799100,1cyclictest131rcu_sched00:35:061
54799100,0cyclictest121rcu_preempt22:22:341
54599102,4cyclictest674-21dbus-daemon19:50:000
54599101,2cyclictest13591-21munin-run21:00:010
5499998,0cyclictest0-21swapper/320:08:073
5499998,0cyclictest0-21swapper/300:16:083
5499998,0cyclictest0-21swapper/300:16:073
5499997,1cyclictest23922-21bash22:45:373
5479997,1cyclictest25-21ksoftirqd/120:30:001
5459991,5cyclictest674-21dbus-daemon21:10:000
5499987,0cyclictest0-21swapper/323:17:373
5499987,0cyclictest0-21swapper/323:05:483
5499987,0cyclictest0-21swapper/323:05:473
5499987,0cyclictest0-21swapper/321:16:483
5499986,1cyclictest660-21avahi-daemon22:54:173
5499986,1cyclictest3411-21lspci22:09:553
5499986,1cyclictest18140-21lspci23:28:283
5499986,1cyclictest18140-21lspci23:28:283
5499985,2cyclictest660-21avahi-daemon23:59:013
5499985,2cyclictest660-21avahi-daemon23:36:593
5499985,2cyclictest660-21avahi-daemon23:36:583
5499985,2cyclictest660-21avahi-daemon22:02:243
5499985,2cyclictest660-21avahi-daemon21:27:513
5499985,2cyclictest660-21avahi-daemon00:22:323
5499985,2cyclictest660-21avahi-daemon00:08:553
5499984,3cyclictest649-21polkitd23:51:523
5499984,3cyclictest649-21polkitd23:51:513
5499984,3cyclictest21744-21sshd21:38:083
5499984,3cyclictest21744-21sshd21:38:083
5489986,1cyclictest8342-21lspci22:51:482
5489986,1cyclictest699-21gdbus23:11:112
5489986,1cyclictest699-21gdbus23:11:102
5489986,1cyclictest31320-21sshd00:11:172
5489986,1cyclictest10255-21lspci00:16:312
5489986,1cyclictest10255-21lspci00:16:302
5489985,2cyclictest660-21avahi-daemon23:45:142
5489985,2cyclictest660-21avahi-daemon23:07:492
5489985,2cyclictest660-21avahi-daemon23:07:482
5489985,2cyclictest660-21avahi-daemon22:37:162
5489985,2cyclictest660-21avahi-daemon00:28:332
5489985,2cyclictest27117-21sshd23:02:102
5489985,2cyclictest12652-21sshd00:05:232
5489985,2cyclictest10206-21sshd00:35:172
5489980,7cyclictest13900-21grep22:07:292
5479988,0cyclictest241ktimersoftd/121:06:061
5479988,0cyclictest241ktimersoftd/119:45:261
5479988,0cyclictest241ktimersoftd/119:42:471
5459982,2cyclictest4136-21grep19:15:150
5499976,0cyclictest0-21swapper/320:59:373
5499976,0cyclictest0-21swapper/300:37:283
5499975,1cyclictest660-21avahi-daemon23:40:563
5499975,1cyclictest660-21avahi-daemon23:40:553
5499975,1cyclictest660-21avahi-daemon00:01:073
5499970,0cyclictest0-21swapper/320:16:283
5499970,0cyclictest0-21swapper/320:01:583
5489975,1cyclictest893-21lspci23:53:292
5489975,1cyclictest893-21lspci23:53:282
5489975,1cyclictest660-21avahi-daemon23:20:102
5489975,1cyclictest660-21avahi-daemon22:20:112
5489975,1cyclictest649-21polkitd21:50:432
5489975,1cyclictest642-21systemd-logind22:25:282
5489975,1cyclictest642-21systemd-logind22:25:272
5489975,1cyclictest6119-21sshd21:26:472
5489975,1cyclictest21085-21sshd21:41:292
5489975,1cyclictest16925-21lspci23:16:182
5489975,1cyclictest1-21systemd22:41:092
5489974,2cyclictest674-21dbus-daemon00:22:442
5489974,2cyclictest660-21avahi-daemon23:25:142
5489974,2cyclictest660-21avahi-daemon23:25:132
5489974,2cyclictest660-21avahi-daemon22:55:512
5489974,2cyclictest660-21avahi-daemon21:55:092
5489974,2cyclictest660-21avahi-daemon21:55:082
5489974,2cyclictest660-21avahi-daemon21:15:162
5489974,2cyclictest660-21avahi-daemon00:01:392
5479977,0cyclictest241ktimersoftd/119:55:091
5459972,1cyclictest674-21dbus-daemon20:25:000
5459972,1cyclictest6037-21head20:40:120
5459972,1cyclictest28621-21nfsd420:15:160
5459972,1cyclictest26635-21grep20:10:150
5459970,2cyclictest674-21dbus-daemon20:29:550
5499965,0cyclictest0-21swapper/319:51:483
5499965,0cyclictest0-21swapper/319:49:373
5499965,0cyclictest0-21swapper/319:25:583
5499965,0cyclictest0-21swapper/319:13:083
5499964,1cyclictest674-21dbus-daemon21:09:503
5499964,1cyclictest674-21dbus-daemon19:40:003
5499963,2cyclictest1002-21snmpd20:40:413
5499960,0cyclictest0-21swapper/319:17:073
5489964,1cyclictest674-21dbus-daemon22:45:072
5489964,1cyclictest674-21dbus-daemon22:15:112
5489964,1cyclictest674-21dbus-daemon21:30:152
5489964,1cyclictest674-21dbus-daemon21:30:142
5489964,1cyclictest674-21dbus-daemon21:10:132
5489964,1cyclictest30043-21sshd21:35:042
5489964,1cyclictest30043-21sshd21:35:032
5489963,2cyclictest1002-21snmpd21:09:122
5489963,2cyclictest1002-21snmpd20:02:492
5489963,2cyclictest1002-21snmpd19:59:092
5489963,2cyclictest1002-21snmpd19:33:562
5489963,2cyclictest1002-21snmpd19:27:272
5489960,5cyclictest0-21swapper/220:24:172
5489960,5cyclictest0-21swapper/220:10:172
5479964,1cyclictest674-21dbus-daemon19:14:591
5479964,1cyclictest25-21ksoftirqd/121:04:591
5479963,2cyclictest1002-21snmpd20:49:041
5479961,1cyclictest25-21ksoftirqd/120:35:001
5479960,0cyclictest0-21swapper/119:20:281
5459963,2cyclictest7973-21cat19:25:150
5459962,1cyclictest10878-21sort20:50:180
5459961,1cyclictest9592-21cpuspeed_turbos19:30:110
5459961,1cyclictest8815-21sed20:45:170
5459961,1cyclictest4061-21sshd20:35:130
5459961,1cyclictest24035-21df20:05:120
5459961,1cyclictest22660-21awk20:00:160
5459961,1cyclictest20412-21cut19:55:140
5459961,1cyclictest15054-21sed21:00:190
5459961,1cyclictest14420-21ntp_kernel_err19:40:160
5459960,1cyclictest6074-21missed_timers19:20:130
5459960,1cyclictest101ktimersoftd/019:39:540
5499953,1cyclictest1082-21lldpd20:23:173
5499953,1cyclictest10156-21hostname20:50:133
5499953,1cyclictest1002-21snmpd21:01:053
5499953,1cyclictest1002-21snmpd20:36:163
5499953,1cyclictest1002-21snmpd19:55:063
5499953,1cyclictest1002-21snmpd19:40:143
5499953,1cyclictest1002-21snmpd19:30:443
5499952,2cyclictest26521-21needreboot20:10:143
5499950,4cyclictest2434-21cut20:30:153
5489954,0cyclictest0-21swapper/220:56:572
5489954,0cyclictest0-21swapper/219:50:082
5489953,1cyclictest14596-21awk19:40:172
5489953,1cyclictest12042-21cat19:35:142
5489953,1cyclictest1153-21grep19:10:132
5489953,1cyclictest1088-21ntpd19:15:002
5489953,1cyclictest1082-21lldpd20:06:472
5489953,1cyclictest1002-21snmpd21:00:112
5489953,1cyclictest1002-21snmpd20:50:532
5489953,1cyclictest1002-21snmpd20:49:072
5489953,1cyclictest1002-21snmpd20:41:562
5489953,1cyclictest1002-21snmpd20:38:342
5489953,1cyclictest1002-21snmpd20:31:582
5489953,1cyclictest1002-21snmpd20:28:562
5489953,1cyclictest1002-21snmpd20:19:022
5489953,1cyclictest1002-21snmpd19:48:002
5489952,2cyclictest1002-21snmpd19:22:472
5479953,1cyclictest674-21dbus-daemon20:00:001
5479953,1cyclictest4265-21ntpdc19:15:151
5479953,1cyclictest25-21ksoftirqd/120:55:001
5479953,1cyclictest25-21ksoftirqd/120:20:001
5479953,1cyclictest1002-21snmpd20:57:391
5479953,1cyclictest1002-21snmpd20:13:211
5479952,1cyclictest7476-21crond20:45:011
5479950,1cyclictest27846-21/usr/sbin/munin20:15:181
5479950,1cyclictest0-21swapper/120:05:011
5459952,2cyclictest2484-21ntpq20:30:170
5459951,2cyclictest9-21ksoftirqd/019:10:120
5459951,2cyclictest0-21swapper/019:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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