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2025-12-24 - 16:58
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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 Wed Dec 24, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61722920,0sleep00-21swapper/010:53:210
65402750,0sleep10-21swapper/111:07:001
310892740,0sleep20-21swapper/211:52:522
320862630,1sleep132074-21bash11:41:571
195462550,0sleep30-21swapper/310:46:153
118322540,1sleep2674-21dbus-daemon10:48:222
278272530,0sleep20-21swapper/210:41:312
99672520,0sleep00-21swapper/012:37:350
282392520,0sleep10-21swapper/112:03:371
207752520,0sleep30-21swapper/309:47:363
135112520,0sleep20-21swapper/212:21:272
324002500,1sleep2311rcuc/209:16:222
214902500,0sleep30-21swapper/310:11:523
177212500,0sleep20-21swapper/210:08:012
59072490,0sleep25898-21cp11:37:022
219052490,0sleep00-21swapper/009:58:060
89282480,0sleep00-21swapper/009:29:030
327252480,0sleep0111rcuc/011:39:190
139532480,0sleep30-21swapper/312:07:503
32492470,2sleep3935399cyclictest10:06:263
278572450,0sleep30-21swapper/309:51:493
94842400,0sleep00-21swapper/011:23:410
145672400,0sleep00-21swapper/011:51:260
898823210,7sleep30-21swapper/307:07:003
89022319,7sleep10-21swapper/107:05:541
90612287,7sleep20-21swapper/207:07:552
10522270,0sleep20-21swapper/212:36:492
137802220,0sleep30-21swapper/312:18:493
886922110,7sleep00-21swapper/007:05:290
83332190,1sleep18335-21bash10:37:081
145612180,2sleep3935399cyclictest11:15:513
9336991716,0cyclictest7307-21lspci10:17:170
44812170,0sleep20-21swapper/211:25:572
934699165,1cyclictest33-21ksoftirqd/211:58:082
9336991615,0cyclictest3811-21kworker/0:412:30:270
9336991614,1cyclictest15675-21kworker/0:410:46:360
934699156,3cyclictest33-21ksoftirqd/210:50:132
934699154,3cyclictest33-21ksoftirqd/211:32:162
934699150,1cyclictest19400-21lspci12:02:512
9336991515,0cyclictest22504-21kworker/0:011:12:460
82192150,1sleep28217-21lspci11:01:412
28192150,0sleep10-21swapper/111:14:581
118142150,1sleep0101ktimersoftd/011:26:350
113332150,0sleep011332-21grep07:15:010
934699145,3cyclictest33-21ksoftirqd/212:26:202
934699145,3cyclictest33-21ksoftirqd/211:10:182
934699143,3cyclictest33-21ksoftirqd/210:30:012
9340991413,0cyclictest5899-21kworker/1:110:23:591
9340991413,0cyclictest16181-21lspci09:33:171
9336991413,0cyclictest2922-21lspci12:15:100
9336991413,0cyclictest26086-21lspci09:37:470
9336991412,1cyclictest31651-21lspci09:41:490
68032140,0sleep00-21swapper/012:26:220
4262140,0sleep10-21swapper/111:50:151
263852140,1sleep1231rcuc/109:51:391
194562140,2sleep0933699cyclictest12:24:450
151322140,0sleep115126-21sshd11:26:521
934699136,1cyclictest33-21ksoftirqd/211:42:502
934699136,1cyclictest33-21ksoftirqd/210:17:132
934699136,1cyclictest33-21ksoftirqd/209:43:502
934699135,4cyclictest33-21ksoftirqd/210:11:472
934699134,3cyclictest649-21polkitd10:55:262
934699134,3cyclictest649-21polkitd10:55:262
934699134,2cyclictest33-21ksoftirqd/210:37:052
934699134,1cyclictest33-21ksoftirqd/212:06:052
934699134,1cyclictest33-21ksoftirqd/211:21:402
934699133,3cyclictest33-21ksoftirqd/209:55:432
934699133,1cyclictest33-21ksoftirqd/212:16:562
934699133,1cyclictest33-21ksoftirqd/210:26:292
934699132,3cyclictest33-21ksoftirqd/212:11:112
9340991312,0cyclictest18413-21kworker/1:112:09:441
9340991311,1cyclictest9467-21kworker/1:210:46:511
9340991311,1cyclictest11974-21kworker/1:412:36:131
9336991313,0cyclictest18675-21kworker/0:111:16:050
37862130,1sleep23788-21bash09:45:422
9353991210,1cyclictest0-21swapper/311:26:313
935399120,11cyclictest674-21dbus-daemon10:53:023
935399120,11cyclictest438-21sshd11:33:513
935399120,11cyclictest0-21swapper/309:41:513
934699124,3cyclictest649-21polkitd11:05:542
934699124,3cyclictest33-21ksoftirqd/209:50:062
934699123,3cyclictest33-21ksoftirqd/212:32:382
934699123,1cyclictest33-21ksoftirqd/211:16:242
934699122,1cyclictest33-21ksoftirqd/209:37:292
934699122,1cyclictest12776-21bash10:21:072
934699120,1cyclictest0-21swapper/211:46:042
9340991211,0cyclictest24537-21kworker/1:312:20:271
9340991210,1cyclictest5714-21lspci12:15:191
9340991210,1cyclictest4289-21kworker/1:011:48:551
934099120,1cyclictest26929-21lspci11:36:021
933699120,11cyclictest8994-21sshd10:00:120
933699120,11cyclictest642-21systemd-logind10:14:220
242172120,0sleep30-21swapper/310:35:433
935399119,1cyclictest0-21swapper/311:50:323
9353991110,0cyclictest6611-21lspci12:29:093
9353991110,0cyclictest0-21swapper/312:04:423
9353991110,0cyclictest0-21swapper/311:59:513
9353991110,0cyclictest0-21swapper/311:10:423
9353991110,0cyclictest0-21swapper/310:33:413
935399110,10cyclictest2936-21lspci12:20:313
935399110,10cyclictest0-21swapper/309:28:213
935399110,10cyclictest0-21swapper/308:50:213
935399110,10cyclictest0-21swapper/308:45:023
934699114,3cyclictest649-21polkitd09:12:442
934699112,1cyclictest33-21ksoftirqd/209:30:472
934699111,3cyclictest33-21ksoftirqd/210:01:162
9346991110,0cyclictest0-21swapper/209:22:492
934699110,10cyclictest0-21swapper/208:00:002
934099119,1cyclictest9467-21kworker/1:210:32:401
934099119,1cyclictest9077-21kworker/1:111:33:191
9340991110,0cyclictest9474-21lspci10:56:201
9340991110,0cyclictest9474-21lspci10:56:191
9340991110,0cyclictest6230-21lspci09:56:231
934099110,1cyclictest2773-21lspci12:12:211
934099110,10cyclictest28127-21sshd12:28:121
934099110,10cyclictest0-21swapper/110:14:011
934099110,10cyclictest0-21swapper/110:00:121
933699119,1cyclictest9586-21lspci10:42:430
933699119,1cyclictest31517-21sshd10:30:530
933699116,2cyclictest9-21ksoftirqd/012:01:430
933699114,1cyclictest17014-21sshd10:26:560
9336991111,0cyclictest32550irq/27-ahci[00011:56:190
9336991110,0cyclictest0-21swapper/009:34:320
34852110,0sleep30-21swapper/309:56:043
181002110,0sleep30-21swapper/310:40:393
103082110,0sleep00-21swapper/012:10:150
935399108,1cyclictest6161-21sshd10:03:223
935399108,1cyclictest13668-21sshd11:37:423
935399100,0cyclictest0-21swapper/310:17:523
935399100,0cyclictest0-21swapper/309:21:123
935399100,0cyclictest0-21swapper/309:05:113
934699109,0cyclictest0-21swapper/208:56:402
934699109,0cyclictest0-21swapper/208:28:192
934699100,1cyclictest1072-21nfsd09:27:212
934699100,0cyclictest0-21swapper/208:19:192
934699100,0cyclictest0-21swapper/207:49:202
934099109,0cyclictest24254-21kworker/1:310:07:101
934099109,0cyclictest0-21swapper/112:33:421
934099108,1cyclictest674-21dbus-daemon09:19:511
934099108,1cyclictest4408-21lspci10:50:251
934099108,1cyclictest30516-21kworker/1:010:15:401
9340991010,0cyclictest25537-21kworker/1:311:19:281
934099100,0cyclictest0-21swapper/109:37:121
933699109,0cyclictest3811-21kworker/0:412:08:050
933699108,1cyclictest20279-21idleruntime-cro08:55:000
933699108,1cyclictest0-21swapper/011:33:120
933699108,1cyclictest0-21swapper/011:05:020
9336991010,0cyclictest32550irq/27-ahci[00011:01:270
93539998,0cyclictest0-21swapper/310:27:423
93539998,0cyclictest0-21swapper/307:45:213
93539997,1cyclictest0-21swapper/311:05:213
93539990,8cyclictest503-21sshd11:47:313
93469990,2cyclictest24367-21systemd-cgroups09:05:012
93409999,0cyclictest25285-21kworker/1:310:26:041
93409998,0cyclictest0-21swapper/111:57:311
93409998,0cyclictest0-21swapper/109:26:221
93409998,0cyclictest0-21swapper/109:14:421
93409998,0cyclictest0-21swapper/108:25:111
93409997,1cyclictest0-21swapper/110:42:021
93409996,2cyclictest674-21dbus-daemon11:22:511
93369998,0cyclictest0-21swapper/010:20:420
93369998,0cyclictest0-21swapper/009:52:430
93369997,1cyclictest9-21ksoftirqd/010:36:420
93369997,1cyclictest12112-21lspci09:18:330
93369991,1cyclictest9-21ksoftirqd/011:44:220
93539987,0cyclictest0-21swapper/312:37:023
93539986,1cyclictest6521-21lspci10:58:523
93539986,1cyclictest6521-21lspci10:58:513
93539986,1cyclictest41-21ksoftirqd/311:40:343
93539986,1cyclictest17851-21lspci09:19:343
93539985,2cyclictest660-21avahi-daemon12:10:223
93539985,1cyclictest41-21ksoftirqd/312:32:103
93539984,3cyclictest660-21avahi-daemon10:23:553
93539982,5cyclictest674-21dbus-daemon11:20:203
93539981,2cyclictest674-21dbus-daemon09:38:183
93469983,3cyclictest33-21ksoftirqd/209:10:002
93469981,1cyclictest32253-21munin-run08:04:592
93409987,0cyclictest14363-21kworker/1:209:49:191
93409985,2cyclictest660-21avahi-daemon11:00:191
93409985,2cyclictest660-21avahi-daemon09:24:101
93369988,0cyclictest13897-21kworker/0:007:35:470
93369986,1cyclictest9-21ksoftirqd/011:45:270
93369986,1cyclictest9-21ksoftirqd/009:45:150
93369986,1cyclictest9-21ksoftirqd/009:10:030
93369986,1cyclictest32322-21lspci10:58:180
93369986,1cyclictest32322-21lspci10:58:170
93369986,1cyclictest26611-21kworker/0:109:20:020
93369985,2cyclictest674-21dbus-daemon10:05:330
93369980,4cyclictest649-21polkitd08:34:590
93539974,2cyclictest674-21dbus-daemon09:31:563
93539974,2cyclictest674-21dbus-daemon09:10:093
93539970,6cyclictest25395-21bash11:00:223
93469976,0cyclictest5985-21kworker/2:108:42:192
93469976,0cyclictest0-21swapper/208:06:402
93469971,1cyclictest33-21ksoftirqd/207:10:002
93469970,6cyclictest0-21swapper/208:45:102
93469970,0cyclictest121rcu_preempt08:50:002
93409973,1cyclictest674-21dbus-daemon09:40:311
93539964,1cyclictest649-21polkitd07:14:553
93539963,2cyclictest1002-21snmpd08:07:143
93539963,2cyclictest1002-21snmpd07:53:223
93539963,2cyclictest1002-21snmpd07:42:203
93539963,2cyclictest1002-21snmpd07:15:403
93469965,0cyclictest0-21swapper/207:54:592
93469963,2cyclictest1002-21snmpd08:39:242
93469963,2cyclictest1002-21snmpd08:30:122
93469962,1cyclictest33-21ksoftirqd/207:25:002
93469961,3cyclictest33-21ksoftirqd/207:25:012
93469961,3cyclictest20021-21latency_hist07:35:012
93469961,2cyclictest131rcu_sched07:39:552
93469961,1cyclictest3981-21munin-run08:15:002
93469960,3cyclictest8052-21perf08:25:002
93469960,1cyclictest33-21ksoftirqd/207:45:012
93409964,1cyclictest674-21dbus-daemon08:15:001
93409964,1cyclictest1002-21snmpd08:32:291
93409963,2cyclictest674-21dbus-daemon07:55:001
93409963,2cyclictest1002-21snmpd08:19:351
93409962,1cyclictest0-21swapper/107:15:361
93369964,1cyclictest9-21ksoftirqd/009:05:010
93369964,1cyclictest8259-21kworker/0:108:25:120
93369964,1cyclictest674-21dbus-daemon07:50:010
93369963,2cyclictest1002-21snmpd08:46:420
93369963,2cyclictest1002-21snmpd08:43:230
93369963,2cyclictest1002-21snmpd08:22:390
93369963,2cyclictest1002-21snmpd08:01:440
93539954,0cyclictest0-21swapper/308:36:313
93539954,0cyclictest0-21swapper/308:26:213
93539953,1cyclictest5070-21ntp_states08:15:163
93539953,1cyclictest1705-21sendmail08:40:483
93539953,1cyclictest1002-21snmpd09:00:483
93539953,1cyclictest1002-21snmpd08:57:373
93539953,1cyclictest1002-21snmpd08:31:183
93539953,1cyclictest1002-21snmpd08:20:393
93539953,1cyclictest1002-21snmpd08:10:353
93539953,1cyclictest1002-21snmpd08:00:043
93539953,1cyclictest1002-21snmpd07:55:143
93539953,1cyclictest1002-21snmpd07:35:493
93539953,1cyclictest1002-21snmpd07:22:123
93539952,2cyclictest1002-21snmpd07:34:443
93539952,2cyclictest1002-21snmpd07:26:163
93469953,1cyclictest1002-21snmpd07:18:132
93409954,0cyclictest0-21swapper/108:00:311
93409953,1cyclictest674-21dbus-daemon08:44:591
93409953,1cyclictest24328-21/usr/sbin/munin07:45:171
93409953,1cyclictest22787-21cat07:40:131
93409953,1cyclictest19871-21sshd07:33:211
93409953,1cyclictest16912-21cat08:45:151
93409953,1cyclictest1088-21ntpd08:20:161
93409953,1cyclictest10381-21ntp_offset07:10:131
93409953,1cyclictest1002-21snmpd09:06:451
93409953,1cyclictest1002-21snmpd08:50:021
93409953,1cyclictest1002-21snmpd07:37:041
93409953,1cyclictest1002-21snmpd07:23:011
93409950,4cyclictest0-21swapper/107:25:311
93409950,1cyclictest28400-21/usr/sbin/munin07:55:141
93409950,1cyclictest20500-21/usr/sbin/munin08:55:151
93369954,0cyclictest0-21swapper/008:15:420
93369953,1cyclictest9-21ksoftirqd/008:00:000
93369953,1cyclictest8259-21kworker/0:108:35:150
93369953,1cyclictest2628-21cat08:10:140
93369953,1cyclictest14999-21ntpdc07:20:190
93369953,1cyclictest1088-21ntpd09:05:140
93369953,1cyclictest1002-21snmpd08:06:310
93369953,1cyclictest1002-21snmpd07:51:550
93369953,1cyclictest1002-21snmpd07:27:040
93369952,2cyclictest1002-21snmpd07:32:130
93369952,2cyclictest1002-21snmpd07:17:480
93409942,1cyclictest22769-21expr09:00:141
93409942,1cyclictest12351-21/usr/sbin/munin08:35:121
93409942,1cyclictest0-21swapper/108:05:141
93369942,1cyclictest22433-21cut07:40:110
93369942,1cyclictest0-21swapper/008:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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