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2026-03-23 - 02:28
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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 Mon Mar 23, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175532960,0sleep017529-21sshd21:17:040
3022940,0sleep30-21swapper/322:00:453
90842840,0sleep39083-21bash21:48:003
220062790,0sleep30-21swapper/322:18:553
254102780,1sleep025406-21crond00:20:000
135272730,0sleep00-21swapper/022:04:390
32402720,0sleep0111rcuc/021:36:390
255082640,0sleep01026-21sshd23:41:230
75352580,0sleep30-21swapper/323:09:383
88392550,0sleep00-21swapper/023:37:150
182742550,0sleep30-21swapper/323:29:533
162562550,0sleep20-21swapper/221:16:552
46782540,1sleep34679-21bash23:01:053
6372520,0sleep10-21swapper/100:39:561
257352520,1sleep125-21ksoftirqd/100:09:001
235412520,0sleep10-21swapper/122:05:231
165822520,0sleep2311rcuc/222:13:022
229972510,0sleep20-21swapper/200:14:182
8182500,0sleep10-21swapper/122:19:541
303772500,0sleep00-21swapper/021:10:560
289022500,1sleep328898-21lspci22:52:123
95552490,0sleep29553-21sshd22:01:322
160802490,0sleep10-21swapper/122:26:311
53212480,0sleep30-21swapper/321:42:153
152912480,0sleep00-21swapper/023:59:500
118842480,1sleep248-21kauditd23:48:302
204352470,1sleep219943-21/usr/sbin/munin23:05:132
17202470,0sleep21718-21sshd22:30:442
369224331,7sleep10-21swapper/119:05:251
245752380,0sleep20-21swapper/221:49:192
40202297,7sleep20-21swapper/219:09:312
400322615,7sleep00-21swapper/019:09:170
376222311,7sleep30-21swapper/319:06:153
243772220,0sleep3391rcuc/321:38:263
197942190,0sleep10-21swapper/100:22:131
283182180,1sleep2620-17auditd22:05:492
89602170,0sleep20-21swapper/200:04:482
89602170,0sleep20-21swapper/200:04:482
69212170,1sleep3391rcuc/300:01:493
69212170,1sleep3391rcuc/300:01:493
155702170,0sleep10-21swapper/121:56:391
103262170,0sleep30-21swapper/323:31:533
38192160,0sleep00-21swapper/000:34:420
157892160,0sleep00-21swapper/023:04:510
156062160,0sleep315595-21sshd21:51:113
6732150,0sleep30-21swapper/323:50:153
234892150,1sleep3391rcuc/322:35:183
194402140,0sleep1231rcuc/100:33:151
418299130,1cyclictest32310-21sshd22:25:123
418299130,12cyclictest0-21swapper/321:29:323
417699130,1cyclictest0-21swapper/222:17:092
4172991311,1cyclictest0-21swapper/123:05:161
252492130,0sleep30-21swapper/300:30:573
239162130,0sleep10-21swapper/123:35:441
80932120,0sleep30-21swapper/322:44:593
4182991211,0cyclictest0-21swapper/321:12:323
418299120,1cyclictest25516-21lspci22:49:123
418299120,1cyclictest13799-21sshd23:59:423
418299120,11cyclictest674-21dbus-daemon23:19:523
417699125,3cyclictest33-21ksoftirqd/200:39:132
417699124,1cyclictest33-21ksoftirqd/222:39:132
4176991210,1cyclictest0-21swapper/223:38:292
4176991210,1cyclictest0-21swapper/221:35:592
417699120,1cyclictest9795-21sshd22:47:492
417699120,1cyclictest0-21swapper/200:16:502
4172991210,1cyclictest26208-21lspci22:57:251
417299120,1cyclictest0-21swapper/121:49:461
417299120,11cyclictest674-21dbus-daemon21:18:261
4165991211,0cyclictest0-21swapper/021:56:110
416599120,1cyclictest31974-21sshd22:14:210
416599120,1cyclictest23008-21sshd22:46:100
416599120,11cyclictest32645-21sshd22:19:510
416599120,11cyclictest0-21swapper/023:30:110
416599120,11cyclictest0-21swapper/022:40:410
237172120,0sleep10-21swapper/121:29:151
113542120,0sleep20-21swapper/223:42:582
4182991110,0cyclictest0-21swapper/322:24:023
418299110,10cyclictest0-21swapper/300:22:023
417699119,1cyclictest33-21ksoftirqd/200:10:002
417699119,1cyclictest0-21swapper/223:22:482
417699114,2cyclictest33-21ksoftirqd/222:44:052
417699110,1cyclictest24286-21lspci21:29:182
417699110,10cyclictest0-21swapper/222:22:392
417699110,10cyclictest0-21swapper/200:30:202
417699110,0cyclictest0-21swapper/223:30:392
417299119,1cyclictest30013-21lspci23:28:061
417299119,1cyclictest0-21swapper/123:51:561
4172991110,0cyclictest0-21swapper/122:42:061
4172991110,0cyclictest0-21swapper/122:21:161
4172991110,0cyclictest0-21swapper/122:11:261
4172991110,0cyclictest0-21swapper/100:03:561
4172991110,0cyclictest0-21swapper/100:03:551
417299110,10cyclictest20438-21sshd21:38:061
417299110,10cyclictest0-21swapper/123:13:561
417299110,10cyclictest0-21swapper/122:51:561
417299110,10cyclictest0-21swapper/121:13:161
4165991110,0cyclictest0-21swapper/021:45:410
4165991110,0cyclictest0-21swapper/021:43:200
4165991110,0cyclictest0-21swapper/000:36:200
416599110,10cyclictest0-21swapper/023:09:210
416599110,10cyclictest0-21swapper/022:05:410
282872110,0sleep30-21swapper/323:47:063
87932100,1sleep28791-21lspci22:53:152
418299109,0cyclictest0-21swapper/323:24:123
418299109,0cyclictest0-21swapper/321:58:023
418299109,0cyclictest0-21swapper/321:00:223
418299108,1cyclictest0-21swapper/323:37:323
418299100,0cyclictest0-21swapper/322:13:023
417699109,0cyclictest0-21swapper/223:29:292
417699109,0cyclictest0-21swapper/223:18:292
417699109,0cyclictest0-21swapper/221:10:192
417699105,1cyclictest33-21ksoftirqd/221:58:262
417699102,1cyclictest33-21ksoftirqd/221:53:402
417699101,2cyclictest33-21ksoftirqd/223:55:132
417699101,2cyclictest33-21ksoftirqd/222:55:502
417699101,1cyclictest33-21ksoftirqd/223:05:012
417699101,1cyclictest121rcu_preempt00:20:142
417699100,9cyclictest0-21swapper/219:25:592
417699100,0cyclictest0-21swapper/219:15:192
417299109,0cyclictest26020-21lspci22:46:261
417299109,0cyclictest0-21swapper/122:00:461
417299109,0cyclictest0-21swapper/119:20:161
417299109,0cyclictest0-21swapper/100:15:061
417299100,0cyclictest0-21swapper/123:22:361
417299100,0cyclictest0-21swapper/121:50:561
417299100,0cyclictest0-21swapper/120:56:561
417299100,0cyclictest0-21swapper/120:05:161
417299100,0cyclictest0-21swapper/100:27:261
416599109,0cyclictest0-21swapper/023:18:010
416599109,0cyclictest0-21swapper/022:57:110
416599109,0cyclictest0-21swapper/000:10:110
416599108,1cyclictest0-21swapper/023:29:010
416599102,4cyclictest24520-21perf22:30:000
416599100,9cyclictest0-21swapper/022:36:210
416599100,0cyclictest0-21swapper/023:13:400
313032100,0sleep30-21swapper/300:17:433
41829997,1cyclictest0-21swapper/300:10:523
41829990,8cyclictest0-21swapper/319:44:123
41769999,0cyclictest527-40kipmi020:01:372
41769999,0cyclictest527-40kipmi019:36:112
41769998,0cyclictest0-21swapper/221:23:492
41769997,1cyclictest33-21ksoftirqd/222:25:202
41769997,1cyclictest33-21ksoftirqd/221:40:122
41769997,1cyclictest33-21ksoftirqd/221:31:452
41769997,1cyclictest33-21ksoftirqd/200:25:342
41769996,2cyclictest660-21avahi-daemon23:51:472
41769991,1cyclictest131rcu_sched23:12:382
41729998,0cyclictest0-21swapper/121:06:561
41729998,0cyclictest0-21swapper/119:35:161
41729995,2cyclictest29259-21sshd23:16:591
41729990,8cyclictest0-21swapper/119:11:561
41659998,0cyclictest0-21swapper/023:22:210
41659998,0cyclictest0-21swapper/022:50:310
41659998,0cyclictest0-21swapper/000:21:210
41659997,1cyclictest9-21ksoftirqd/022:22:370
41659996,2cyclictest674-21dbus-daemon00:26:490
20363290,0sleep30-21swapper/323:10:383
41829986,1cyclictest660-21avahi-daemon21:15:453
41829985,2cyclictest660-21avahi-daemon23:40:183
41829985,2cyclictest660-21avahi-daemon22:32:233
41829985,2cyclictest660-21avahi-daemon22:07:123
41829985,2cyclictest660-21avahi-daemon21:34:523
41829985,2cyclictest660-21avahi-daemon00:28:533
41829985,2cyclictest10553-21sshd21:20:073
41769986,1cyclictest33-21ksoftirqd/219:50:002
41729987,0cyclictest0-21swapper/121:24:461
41729986,1cyclictest19790-21lspci21:32:331
41729985,2cyclictest660-21avahi-daemon23:46:311
41729985,2cyclictest660-21avahi-daemon23:41:401
41729985,2cyclictest660-21avahi-daemon23:01:501
41729985,2cyclictest660-21avahi-daemon22:37:061
41729985,2cyclictest660-21avahi-daemon00:12:471
41729983,2cyclictest0-21swapper/122:32:271
41729980,7cyclictest2915-21sshd23:34:021
41659987,0cyclictest0-21swapper/021:29:410
41659986,1cyclictest9-21ksoftirqd/000:00:130
41659986,1cyclictest9-21ksoftirqd/000:00:130
41659985,2cyclictest660-21avahi-daemon23:47:250
27767280,0sleep10-21swapper/121:41:241
41829975,1cyclictest660-21avahi-daemon00:05:133
41829975,1cyclictest10486-21lspci00:35:143
41829974,2cyclictest3370-21sshd22:55:273
41769970,6cyclictest0-21swapper/221:05:592
41729976,0cyclictest0-21swapper/120:38:561
41729975,1cyclictest699-21gdbus23:55:061
41659976,1cyclictest11235-21lspci21:50:490
41659975,1cyclictest660-21avahi-daemon22:31:290
41659975,1cyclictest660-21avahi-daemon21:20:270
41659974,2cyclictest660-21avahi-daemon23:50:270
41659974,2cyclictest660-21avahi-daemon00:07:220
41659974,2cyclictest32178-21sshd21:33:430
41829964,1cyclictest649-21polkitd20:50:003
41829963,2cyclictest1002-21snmpd20:42:083
41829963,2cyclictest1002-21snmpd20:38:203
41829963,2cyclictest1002-21snmpd19:18:293
41769960,5cyclictest0-21swapper/220:26:582
41769960,5cyclictest0-21swapper/219:56:492
41729964,1cyclictest699-21gdbus19:54:591
41729960,5cyclictest0-21swapper/120:24:361
41729960,0cyclictest0-21swapper/119:45:261
41659965,0cyclictest0-21swapper/019:25:210
41659960,5cyclictest0-21swapper/019:14:410
41829954,0cyclictest0-21swapper/320:02:513
41829954,0cyclictest0-21swapper/319:52:423
41829953,1cyclictest19640-21cat19:45:143
41829953,1cyclictest1705-21sendmail19:24:273
41829953,1cyclictest15808-21cat20:55:143
41829953,1cyclictest1082-21lldpd20:50:323
41829953,1cyclictest1082-21lldpd20:50:313
41829953,1cyclictest1082-21lldpd20:15:023
41829953,1cyclictest1002-21snmpd21:05:063
41829953,1cyclictest1002-21snmpd20:33:103
41829953,1cyclictest1002-21snmpd20:25:463
41829953,1cyclictest1002-21snmpd20:10:253
41829953,1cyclictest1002-21snmpd19:39:103
41829953,1cyclictest1002-21snmpd19:30:383
41829953,1cyclictest1002-21snmpd19:25:233
41829953,1cyclictest1002-21snmpd19:14:413
41829952,2cyclictest1082-21lldpd19:55:163
41769954,0cyclictest0-21swapper/219:52:492
41769953,1cyclictest7652-21mii-tool20:35:132
41769953,1cyclictest11547-21grep20:45:132
41769953,1cyclictest1082-21lldpd19:10:152
41769953,1cyclictest1002-21snmpd20:40:442
41769953,1cyclictest1002-21snmpd20:23:162
41769953,1cyclictest1002-21snmpd20:16:312
41769953,1cyclictest1002-21snmpd19:41:332
41769952,2cyclictest6581-21taskset20:30:402
41769952,2cyclictest1002-21snmpd21:00:592
41769952,2cyclictest1002-21snmpd20:56:082
41769952,2cyclictest1002-21snmpd20:52:292
41769952,2cyclictest1002-21snmpd20:52:292
41769952,2cyclictest1002-21snmpd20:10:072
41769952,2cyclictest1002-21snmpd19:20:142
41729953,1cyclictest7071-21tr19:15:121
41729953,1cyclictest674-21dbus-daemon19:40:001
41729953,1cyclictest660-21avahi-daemon20:00:001
41729953,1cyclictest23712-21cat19:55:141
41729953,1cyclictest1705-21sendmail20:40:211
41729953,1cyclictest11737-21cat20:45:141
41729953,1cyclictest1002-21snmpd20:30:371
41729953,1cyclictest1002-21snmpd20:28:371
41729952,2cyclictest1002-21snmpd19:32:291
41729952,2cyclictest1002-21snmpd19:25:281
41729950,4cyclictest31379-21/usr/sbin/munin20:15:171
41659954,0cyclictest0-21swapper/020:05:110
41659953,1cyclictest8739-21sadc19:20:000
41659953,1cyclictest7518-21sed20:35:130
41659953,1cyclictest649-21polkitd20:49:550
41659953,1cyclictest649-21polkitd19:40:000
41659953,1cyclictest23646-21ls19:55:130
41659953,1cyclictest21684-21cat19:50:140
41659953,1cyclictest10062-21switchtime19:20:200
41659953,1cyclictest1002-21snmpd21:05:420
41659953,1cyclictest1002-21snmpd21:02:140
41659953,1cyclictest1002-21snmpd20:55:050
41659953,1cyclictest1002-21snmpd20:51:200
41659953,1cyclictest1002-21snmpd20:51:200
41659953,1cyclictest1002-21snmpd20:40:250
41659953,1cyclictest1002-21snmpd20:29:160
41659953,1cyclictest1002-21snmpd20:22:370
41659953,1cyclictest1002-21snmpd20:15:270
41659953,1cyclictest1002-21snmpd20:00:330
41659952,2cyclictest6532-21sed20:30:200
41659952,2cyclictest1002-21snmpd19:32:080
41659950,0cyclictest0-21swapper/019:44:410
41829942,1cyclictest27426-21cut20:05:123
41829942,1cyclictest1554-21cat20:20:143
41769942,1cyclictest27481-21expr20:05:132
41769942,1cyclictest13259-21expr19:30:122
41729942,1cyclictest29678-21grep20:10:131
41729942,1cyclictest18038-21cat21:00:141
41729942,1cyclictest1002-21snmpd20:50:081
41729942,1cyclictest1002-21snmpd20:50:081
41659942,1cyclictest29830-21cat20:10:140
41659942,1cyclictest19453-21head19:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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