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2026-01-04 - 05:34
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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 Sun Jan 04, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66512750,0sleep2712199cyclictest23:35:502
273352740,1sleep227320-21bash00:03:262
101682730,1sleep310171-21sshd23:30:273
33552580,0sleep33353-21sshd00:04:113
73602570,0sleep10-21swapper/123:15:541
133192570,0sleep30-21swapper/322:39:363
239322550,0sleep00-21swapper/000:00:160
229342540,0sleep10-21swapper/100:00:131
211812540,2sleep2712199cyclictest23:42:502
288242520,0sleep10-21swapper/122:43:451
26152510,0sleep02617-21bash21:17:180
253152500,1sleep225307-21lspci22:23:372
248722500,0sleep10-21swapper/123:20:191
215792500,1sleep321578-21bash23:25:453
215762500,1sleep121575-21sshd22:26:041
119612500,0sleep10-21swapper/121:50:541
213132490,0sleep10-21swapper/122:16:501
19292490,0sleep10-21swapper/122:47:021
55762480,0sleep20-21swapper/222:04:302
288612480,0sleep20-21swapper/222:10:312
21482480,0sleep02149-21id22:44:170
272262460,0sleep20-21swapper/200:26:132
272262460,0sleep20-21swapper/200:26:122
20772450,0sleep30-21swapper/321:28:263
20772450,0sleep30-21swapper/321:28:253
179022450,0sleep00-21swapper/022:59:510
107902450,0sleep00-21swapper/021:24:220
259792410,0sleep00-21swapper/023:00:270
52202308,7sleep30-21swapper/319:05:083
52232298,6sleep10-21swapper/119:05:101
68642276,7sleep00-21swapper/019:08:090
68212219,7sleep20-21swapper/219:07:362
274782190,0sleep30-21swapper/321:45:293
22982190,2sleep2712199cyclictest23:46:522
207642170,0sleep00-21swapper/021:44:520
117822170,0sleep30-21swapper/321:24:333
7108991614,1cyclictest16148-21bash00:28:070
7108991614,1cyclictest16148-21bash00:28:070
311062160,1sleep30-21swapper/321:38:553
290172160,2sleep3712599cyclictest23:55:023
206012160,0sleep10-21swapper/100:28:321
206012160,0sleep10-21swapper/100:28:311
152382160,0sleep30-21swapper/322:09:073
124302160,0sleep30-21swapper/300:36:193
112232160,0sleep00-21swapper/023:59:100
711399153,3cyclictest674-21dbus-daemon23:27:011
711399153,3cyclictest649-21polkitd23:37:091
711399153,3cyclictest642-21systemd-logind21:46:581
711399153,2cyclictest674-21dbus-daemon23:41:511
711399152,3cyclictest29979-21gdbus23:55:581
711399152,3cyclictest25932-21sshd22:23:391
7108991514,0cyclictest4503-21kworker/0:100:15:470
7108991513,1cyclictest9278-21kworker/0:422:17:460
209662150,0sleep10-21swapper/100:11:221
209662150,0sleep10-21swapper/100:11:221
164412150,1sleep2311rcuc/223:08:152
712599142,1cyclictest0-21swapper/321:44:173
711399144,3cyclictest674-21dbus-daemon23:10:491
711399144,3cyclictest674-21dbus-daemon00:30:321
711399143,5cyclictest649-21polkitd22:57:091
711399143,4cyclictest674-21dbus-daemon00:36:301
711399143,3cyclictest674-21dbus-daemon23:48:041
711399142,3cyclictest674-21dbus-daemon22:04:051
711399142,3cyclictest649-21polkitd22:35:171
7113991412,1cyclictest28822-21sshd21:10:331
7113991412,1cyclictest16004-21/usr/sbin/munin19:30:201
7108991413,0cyclictest3952-21lspci22:21:410
7108991413,0cyclictest25138-21kworker/0:000:38:090
327282140,0sleep10-21swapper/122:52:351
327282140,0sleep10-21swapper/122:52:341
245552140,0sleep30-21swapper/321:55:503
196432140,0sleep20-21swapper/222:16:392
711399133,5cyclictest674-21dbus-daemon22:05:431
711399133,4cyclictest2988-21bash22:30:101
711399133,3cyclictest674-21dbus-daemon23:50:061
711399133,3cyclictest674-21dbus-daemon22:11:441
711399133,3cyclictest674-21dbus-daemon21:29:371
711399133,3cyclictest674-21dbus-daemon21:29:361
711399133,3cyclictest649-21polkitd21:35:511
711399133,3cyclictest5997-21bash23:30:101
711399133,3cyclictest29979-21gdbus21:57:511
711399133,3cyclictest29979-21gdbus00:21:081
711399133,3cyclictest1-21systemd23:05:251
711399132,4cyclictest32523-21sshd00:15:151
711399132,3cyclictest642-21systemd-logind21:31:011
711399132,3cyclictest642-21systemd-logind00:05:361
711399132,3cyclictest21870-21grep23:03:001
711399132,3cyclictest20146-21open_inodes21:20:161
7108991312,0cyclictest0-21swapper/023:27:380
710899130,0cyclictest0-21swapper/023:20:370
265322130,0sleep00-21swapper/023:09:080
231352130,0sleep023136-21tty00:14:290
231352130,0sleep023136-21tty00:14:280
7125991211,0cyclictest0-21swapper/319:30:183
712599120,1cyclictest7702-21sendmail_mailqu22:15:173
712599120,1cyclictest24618-21sshd00:25:583
712599120,1cyclictest24618-21sshd00:25:573
712599120,11cyclictest0-21swapper/323:52:373
7121991210,1cyclictest25370-21sshd23:00:232
7121991210,1cyclictest0-21swapper/222:28:142
712199120,11cyclictest26141-21lspci23:20:242
711399122,3cyclictest674-21dbus-daemon21:16:131
711399122,3cyclictest17894-21sshd21:40:541
710899120,1cyclictest674-21dbus-daemon23:31:470
712599119,1cyclictest16935-21lspci00:05:173
712599119,1cyclictest0-21swapper/323:46:083
712599119,1cyclictest0-21swapper/323:35:073
712599119,1cyclictest0-21swapper/321:19:173
712599110,10cyclictest25052-21lspci23:40:173
712199110,10cyclictest16894-21sshd22:34:132
712199110,10cyclictest0-21swapper/223:15:132
712199110,10cyclictest0-21swapper/222:40:332
712199110,10cyclictest0-21swapper/221:21:132
712199110,10cyclictest0-21swapper/200:05:532
712199110,0cyclictest0-21swapper/223:59:232
712199110,0cyclictest0-21swapper/223:10:042
712199110,0cyclictest0-21swapper/222:47:542
712199110,0cyclictest0-21swapper/222:09:432
711399112,2cyclictest11934-21crond20:40:001
710899119,1cyclictest0-21swapper/021:45:080
710899119,1cyclictest0-21swapper/000:06:070
7108991111,0cyclictest25047-21kworker/0:222:05:370
7108991110,0cyclictest1417-21kworker/0:123:16:310
710899110,0cyclictest0-21swapper/021:58:170
710899110,0cyclictest0-21swapper/021:53:480
712599109,0cyclictest0-21swapper/323:20:083
712599109,0cyclictest0-21swapper/323:14:573
712599109,0cyclictest0-21swapper/322:22:283
712599109,0cyclictest0-21swapper/322:02:573
712199109,0cyclictest0-21swapper/222:51:442
712199109,0cyclictest0-21swapper/222:51:432
712199109,0cyclictest0-21swapper/221:58:432
712199109,0cyclictest0-21swapper/221:42:132
712199109,0cyclictest0-21swapper/200:12:242
712199109,0cyclictest0-21swapper/200:12:232
712199100,9cyclictest0-21swapper/219:52:332
712199100,1cyclictest0-21swapper/200:31:442
712199100,0cyclictest0-21swapper/223:52:532
712199100,0cyclictest0-21swapper/223:27:432
711399109,0cyclictest0-21swapper/119:11:191
711399108,1cyclictest0-21swapper/120:11:301
711399102,5cyclictest6646-21wc20:25:141
711399102,5cyclictest18193-21cut20:55:011
710899109,0cyclictest6346-21kworker/0:023:51:220
710899109,0cyclictest355-21kworker/0:121:33:010
710899109,0cyclictest12610-21kworker/0:200:21:100
710899109,0cyclictest0-21swapper/023:46:570
710899100,0cyclictest0-21swapper/023:40:470
71259998,0cyclictest0-21swapper/322:51:273
71259998,0cyclictest0-21swapper/322:51:273
71259998,0cyclictest0-21swapper/322:14:583
71259998,0cyclictest0-21swapper/321:05:173
71219994,1cyclictest33-21ksoftirqd/222:39:372
71219991,2cyclictest33-21ksoftirqd/222:55:212
71219990,1cyclictest23818-21kworker/2:121:29:162
71219990,1cyclictest23818-21kworker/2:121:29:152
71219990,1cyclictest17742-21sshd23:34:022
71139992,4cyclictest8526-21basename20:30:131
71139992,4cyclictest27987-21munin-run20:00:011
71139992,4cyclictest20733-21sed19:40:191
71139992,4cyclictest18905-21ntpq19:35:161
71139991,2cyclictest16238-21latency_hist20:50:001
71139990,0cyclictest0-21swapper/120:43:191
71089997,1cyclictest9-21ksoftirqd/022:31:320
71089997,1cyclictest17961-21kworker/0:123:37:200
71089993,1cyclictest9-21ksoftirqd/022:35:430
71259987,0cyclictest0-21swapper/322:43:273
71259986,1cyclictest41-21ksoftirqd/322:58:323
71259986,1cyclictest25566-21grep21:52:263
71259986,1cyclictest12829-21lspci23:07:553
71259985,2cyclictest674-21dbus-daemon00:18:123
71259985,2cyclictest660-21avahi-daemon21:33:423
71259985,2cyclictest660-21avahi-daemon00:21:423
71259985,2cyclictest26858-21sshd23:03:273
71259985,2cyclictest10029-21sshd22:33:373
71219987,0cyclictest0-21swapper/219:35:132
71219986,1cyclictest33-21ksoftirqd/200:18:262
71219986,0cyclictest33-21ksoftirqd/200:38:282
71219985,2cyclictest674-21dbus-daemon00:24:372
71219985,2cyclictest660-21avahi-daemon21:31:292
71219980,1cyclictest4955-21lspci21:39:372
71139986,1cyclictest236992sleep119:47:301
71139982,4cyclictest10129-21expr19:15:121
71139982,3cyclictest20327-21/usr/sbin/munin21:00:121
71139982,3cyclictest12437-21cat19:20:151
71139982,2cyclictest5037-21cut20:20:181
71139982,2cyclictest31486-21expr20:05:211
71139982,2cyclictest2860-21sh20:15:161
71139982,2cyclictest28223-21/usr/sbin/munin20:00:121
71139982,2cyclictest23959-21sshd21:07:311
71139982,2cyclictest14836-21open_files19:25:161
71089986,1cyclictest9-21ksoftirqd/022:48:360
71089986,1cyclictest9-21ksoftirqd/022:01:570
71089986,1cyclictest6651-21lspci00:30:110
71089985,2cyclictest674-21dbus-daemon22:11:020
71089981,1cyclictest131rcu_sched23:11:190
71089981,1cyclictest131rcu_sched22:25:440
16219280,0sleep20-21swapper/221:47:522
71259975,1cyclictest660-21avahi-daemon22:46:123
71259975,1cyclictest649-21polkitd00:10:093
71259975,1cyclictest649-21polkitd00:10:083
71259975,1cyclictest41-21ksoftirqd/323:15:433
71259974,2cyclictest660-21avahi-daemon22:27:003
71259974,2cyclictest649-21polkitd21:10:523
71259973,3cyclictest29979-21gdbus00:30:053
71219976,0cyclictest0-21swapper/219:20:042
71219975,1cyclictest674-21dbus-daemon21:50:142
71219975,1cyclictest660-21avahi-daemon21:11:122
71219975,1cyclictest31000-21sshd21:16:342
71219974,2cyclictest7860-21crond20:29:592
71219970,6cyclictest0-21swapper/220:13:542
71139971,2cyclictest24838-21needreboot19:50:151
71139971,2cyclictest18290-21/usr/sbin/munin20:55:111
71089976,0cyclictest0-21swapper/020:51:380
71089976,0cyclictest0-21swapper/020:45:370
71089975,1cyclictest9-21ksoftirqd/021:13:250
71089975,1cyclictest660-21avahi-daemon22:51:070
71089975,1cyclictest660-21avahi-daemon22:51:060
71089975,1cyclictest660-21avahi-daemon21:28:570
71089975,1cyclictest660-21avahi-daemon21:28:570
71089974,2cyclictest649-21polkitd21:35:130
71089973,3cyclictest699-21gdbus20:44:590
71259963,2cyclictest1002-21snmpd20:46:023
71259963,2cyclictest1002-21snmpd20:39:083
71259963,2cyclictest1002-21snmpd20:23:203
71259963,2cyclictest1002-21snmpd20:05:193
71259963,2cyclictest1002-21snmpd19:53:153
71259963,2cyclictest1002-21snmpd19:20:053
71259960,5cyclictest0-21swapper/320:25:273
71259960,5cyclictest0-21swapper/319:47:283
71219960,5cyclictest0-21swapper/220:58:532
71219960,5cyclictest0-21swapper/219:56:142
71089966,0cyclictest22379-21kworker/0:020:18:590
71089963,2cyclictest1002-21snmpd20:21:070
71089960,0cyclictest0-21swapper/021:06:270
71259953,1cyclictest17617-21head20:50:213
71259953,1cyclictest1002-21snmpd21:01:123
71259953,1cyclictest1002-21snmpd20:55:013
71259953,1cyclictest1002-21snmpd20:30:203
71259953,1cyclictest1002-21snmpd20:00:033
71259953,1cyclictest1002-21snmpd19:40:133
71259953,1cyclictest1002-21snmpd19:16:573
71259952,2cyclictest32690-21which20:10:143
71259952,2cyclictest1002-21snmpd20:40:463
71259952,2cyclictest1002-21snmpd19:10:293
71259952,1cyclictest18461-21idleruntime19:35:143
71259950,4cyclictest0-21swapper/320:16:173
71259950,0cyclictest0-21swapper/319:27:373
71219953,1cyclictest7797-21cat19:10:142
71219953,1cyclictest4031-21/usr/sbin/munin20:20:152
71219953,1cyclictest1082-21lldpd20:30:232
71219953,1cyclictest1002-21snmpd21:07:262
71219953,1cyclictest1002-21snmpd20:42:372
71219953,1cyclictest1002-21snmpd20:37:292
71219953,1cyclictest1002-21snmpd20:15:252
71219953,1cyclictest1002-21snmpd20:05:062
71219953,1cyclictest1002-21snmpd19:45:462
71219953,1cyclictest1002-21snmpd19:31:152
71219953,1cyclictest1002-21snmpd19:29:082
71219953,1cyclictest1002-21snmpd19:18:562
71219952,2cyclictest1002-21snmpd20:50:582
71219952,2cyclictest1002-21snmpd20:45:382
71219952,2cyclictest1002-21snmpd20:01:152
71089955,0cyclictest15438-21kworker/0:219:40:010
71089954,0cyclictest22379-21kworker/0:020:35:500
71089953,1cyclictest9-21ksoftirqd/019:15:000
71089953,1cyclictest7760-21cat19:10:150
71089953,1cyclictest698-21gdbus21:04:560
71089953,1cyclictest25189-21sendmail_mailtr19:50:170
71089953,1cyclictest18551-21df20:55:120
71089953,1cyclictest1002-21snmpd20:31:010
71089953,1cyclictest1002-21snmpd20:27:020
71089953,1cyclictest1002-21snmpd20:13:350
71089953,1cyclictest1002-21snmpd20:06:330
71089953,1cyclictest1002-21snmpd20:01:070
71089953,1cyclictest1002-21snmpd19:55:540
71089953,1cyclictest1002-21snmpd19:28:560
71089953,1cyclictest1002-21snmpd19:20:300
71089952,2cyclictest1002-21snmpd19:46:100
71089952,2cyclictest1002-21snmpd19:35:120
71089952,2cyclictest1002-21snmpd19:32:050
71259941,2cyclictest26352-21seq19:55:123
71219942,1cyclictest20882-21latency21:00:152
71219942,1cyclictest20356-21diskstats19:40:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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