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2026-04-23 - 09:49
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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 Thu Apr 23, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
123462970,0sleep312347-21sshd22:50:493
309612940,0sleep20-21swapper/221:19:162
15102910,0sleep00-21swapper/021:31:240
68682590,0sleep20-21swapper/222:17:002
58632590,1sleep0674-21dbus-daemon23:37:360
307422570,0sleep10-21swapper/121:56:441
287982570,0sleep20-21swapper/221:42:392
82662530,0sleep18264-21sshd22:28:171
178412530,0sleep10-21swapper/121:52:521
298622520,0sleep10-21swapper/121:34:251
204082520,0sleep30-21swapper/322:57:063
105952520,0sleep00-21swapper/023:40:450
268412510,0sleep0111rcuc/023:50:300
181942510,0sleep10-21swapper/122:20:431
14012510,1sleep09-21ksoftirqd/000:10:370
66162500,0sleep00-21swapper/021:57:270
99762490,1sleep19975-21sshd21:43:501
58182490,0sleep30-21swapper/322:30:463
292782490,0sleep30-21swapper/323:09:033
250042490,0sleep20-21swapper/222:13:002
61522480,1sleep36154-21bash21:51:493
324952480,0sleep00-21swapper/000:27:120
282142480,0sleep10-21swapper/123:22:511
243782480,0sleep30-21swapper/321:22:223
159732480,0sleep20-21swapper/222:42:512
148922480,0sleep10-21swapper/123:35:331
92032470,0sleep20-21swapper/223:37:542
258022470,0sleep20-21swapper/223:28:132
177792470,0sleep30-21swapper/321:41:403
47022460,0sleep10-21swapper/123:45:501
16782440,0sleep30-21swapper/322:05:193
10402298,7sleep30-21swapper/319:09:493
5422287,7sleep10-21swapper/119:05:181
3165122412,7sleep20-21swapper/219:05:032
9972220,0sleep10-21swapper/123:42:461
103522210,7sleep00-21swapper/019:09:460
317062190,1sleep031653-21sshd22:05:120
222292180,1sleep122228-21bash22:07:091
169772160,2sleep2119399cyclictest22:45:392
1187991615,0cyclictest22666-21lspci22:46:101
113722160,0sleep10-21swapper/100:00:201
292942150,0sleep329251-21sshd23:45:123
23962150,0sleep00-21swapper/023:17:500
135782150,0sleep00-21swapper/022:53:460
104172150,0sleep10-21swapper/121:38:191
304922140,1sleep330491-21sshd00:24:183
236352140,0sleep20-21swapper/222:01:422
224602140,0sleep30-21swapper/323:30:383
130652140,0sleep20-21swapper/200:08:542
130652140,0sleep20-21swapper/200:08:542
119399141,1cyclictest18230-21sshd00:23:132
119399140,12cyclictest25499-21sshd23:50:232
100692140,1sleep210056-21lspci23:04:382
235672130,0sleep00-21swapper/023:00:110
1193991311,1cyclictest30316-21bash23:23:032
119399130,1cyclictest3669-21grepconf.sh23:12:232
1187991312,0cyclictest24261-21lspci22:15:401
1187991312,0cyclictest241ktimersoftd/123:54:591
223362120,0sleep30-21swapper/300:26:183
119799120,1cyclictest1-21systemd22:29:583
119399120,11cyclictest29979-21gdbus00:16:032
119399120,0cyclictest0-21swapper/221:33:122
1187991211,0cyclictest19523-21lspci23:55:271
1187991211,0cyclictest19523-21lspci23:55:261
1187991210,1cyclictest6878-21lspci00:05:311
1187991210,1cyclictest6878-21lspci00:05:301
118799120,1cyclictest2037-21lspci22:02:401
1181991210,1cyclictest10608-21sshd00:30:490
118199120,11cyclictest14448-21sshd21:38:390
118199120,11cyclictest10890-21sshd00:00:190
1197991110,0cyclictest0-21swapper/321:16:383
119799110,10cyclictest0-21swapper/322:42:083
119799110,10cyclictest0-21swapper/321:29:283
119799110,0cyclictest0-21swapper/323:00:193
1193991110,0cyclictest0-21swapper/222:31:532
119399110,10cyclictest0-21swapper/221:39:122
119399110,10cyclictest0-21swapper/221:21:332
1187991110,0cyclictest9729-21lspci22:14:291
1187991110,0cyclictest28505-21lspci21:15:031
1187991110,0cyclictest28010-21lspci00:10:121
1187991110,0cyclictest17551-21lspci00:39:511
118199119,1cyclictest6930-21sshd23:35:000
118199119,1cyclictest0-21swapper/022:57:490
118199110,1cyclictest12411-21lspci23:24:190
118199110,10cyclictest0-21swapper/022:36:590
118199110,10cyclictest0-21swapper/022:15:390
118199110,10cyclictest0-21swapper/021:15:180
118199110,10cyclictest0-21swapper/000:21:490
278662100,1sleep0101ktimersoftd/022:46:380
215372100,1sleep09-21ksoftirqd/022:35:000
119799109,0cyclictest2543-21sshd23:40:093
119799109,0cyclictest0-21swapper/323:17:193
119799109,0cyclictest0-21swapper/321:12:283
119799109,0cyclictest0-21swapper/319:24:183
119799100,0cyclictest0-21swapper/322:15:283
119799100,0cyclictest0-21swapper/319:28:183
119799100,0cyclictest0-21swapper/300:15:383
119799100,0cyclictest0-21swapper/300:08:283
119799100,0cyclictest0-21swapper/300:08:283
119399109,0cyclictest0-21swapper/223:44:432
119399109,0cyclictest0-21swapper/222:52:242
119399109,0cyclictest0-21swapper/222:26:342
119399109,0cyclictest0-21swapper/221:11:422
119399109,0cyclictest0-21swapper/219:50:332
119399108,1cyclictest13736-21lspci00:14:342
119399108,1cyclictest0-21swapper/221:28:422
119399107,2cyclictest19082-21lspci21:47:232
119399100,0cyclictest0-21swapper/221:59:222
118799109,0cyclictest13497-21lspci00:17:141
118799107,2cyclictest674-21dbus-daemon21:26:561
118799104,2cyclictest25-21ksoftirqd/123:15:141
118799101,1cyclictest131rcu_sched23:14:071
118799101,1cyclictest131rcu_sched22:53:011
118799100,9cyclictest32222-21kworker/1:423:31:541
118799100,1cyclictest131rcu_sched23:00:031
118199109,0cyclictest0-21swapper/021:41:380
118199109,0cyclictest0-21swapper/000:06:000
118199109,0cyclictest0-21swapper/000:05:590
11979998,0cyclictest0-21swapper/323:54:083
11979998,0cyclictest0-21swapper/322:35:193
11979998,0cyclictest0-21swapper/322:12:493
11979998,0cyclictest0-21swapper/300:30:183
11979998,0cyclictest0-21swapper/300:14:093
11979996,2cyclictest674-21dbus-daemon23:21:423
11979994,2cyclictest15144-21sshd23:35:343
11939998,0cyclictest0-21swapper/223:48:532
11939990,8cyclictest21656-21sshd22:57:122
11879997,1cyclictest25-21ksoftirqd/122:55:151
11879997,1cyclictest25-21ksoftirqd/100:20:161
11879996,2cyclictest28964-21sshd23:28:291
11879994,1cyclictest25-21ksoftirqd/122:41:301
11879993,2cyclictest25-21ksoftirqd/122:30:071
11879991,0cyclictest131rcu_sched22:37:121
11879990,1cyclictest24612-21sshd23:08:401
11879990,1cyclictest131rcu_sched00:26:421
11819998,0cyclictest0-21swapper/023:47:300
11819998,0cyclictest0-21swapper/021:28:080
11819997,1cyclictest25506-21sshd23:58:490
11819997,1cyclictest25506-21sshd23:58:490
11819996,2cyclictest660-21avahi-daemon22:24:070
11979987,0cyclictest0-21swapper/323:14:383
11979987,0cyclictest0-21swapper/320:07:183
11979986,1cyclictest6007-21lspci00:35:593
11979985,2cyclictest660-21avahi-daemon23:27:483
11979985,2cyclictest660-21avahi-daemon21:47:153
11979985,2cyclictest660-21avahi-daemon21:33:273
11979985,2cyclictest660-21avahi-daemon00:01:583
11979984,3cyclictest674-21dbus-daemon22:22:523
11979984,3cyclictest660-21avahi-daemon21:37:453
11979980,0cyclictest0-21swapper/319:49:183
11939987,0cyclictest0-21swapper/222:23:532
11939987,0cyclictest0-21swapper/220:10:222
11939987,0cyclictest0-21swapper/200:00:132
11939986,1cyclictest660-21avahi-daemon23:59:072
11939986,1cyclictest660-21avahi-daemon23:59:062
11939986,1cyclictest32239-21grep23:06:282
11939985,2cyclictest660-21avahi-daemon22:36:462
11939985,2cyclictest660-21avahi-daemon22:08:242
11939985,2cyclictest1-21systemd23:15:302
11939984,3cyclictest674-21dbus-daemon00:26:152
11879986,1cyclictest25-21ksoftirqd/119:24:591
11879984,1cyclictest660-21avahi-daemon21:45:091
11879981,1cyclictest25-21ksoftirqd/121:10:321
11879981,1cyclictest131rcu_sched00:30:091
11819987,0cyclictest0-21swapper/023:10:390
11819987,0cyclictest0-21swapper/021:52:380
11819986,1cyclictest4595-21lspci22:41:520
11819986,1cyclictest27417-21lspci00:35:070
11819985,2cyclictest660-21avahi-daemon23:25:170
11819985,2cyclictest660-21avahi-daemon21:48:520
11819985,2cyclictest660-21avahi-daemon21:24:140
11819985,2cyclictest660-21avahi-daemon21:13:220
26037270,1sleep0660-21avahi-daemon00:15:300
11979975,1cyclictest660-21avahi-daemon22:45:063
11979975,1cyclictest649-21polkitd23:55:383
11979975,1cyclictest649-21polkitd23:55:373
11979975,1cyclictest1002-21snmpd19:55:063
11979974,2cyclictest660-21avahi-daemon21:55:453
11979971,5cyclictest620-17auditd22:00:113
11979970,6cyclictest0-21swapper/320:00:483
11979970,5cyclictest32262-21idleruntime-cro20:25:003
11939975,1cyclictest660-21avahi-daemon23:30:102
11939975,1cyclictest660-21avahi-daemon00:35:022
11939974,2cyclictest660-21avahi-daemon00:31:262
11939970,6cyclictest0-21swapper/219:46:422
11939970,6cyclictest0-21swapper/219:35:522
11879974,2cyclictest699-21gdbus21:20:401
11879974,2cyclictest699-21gdbus21:09:521
11819977,0cyclictest9832-21kworker/0:219:52:340
11819977,0cyclictest9832-21kworker/0:219:45:040
11819977,0cyclictest9832-21kworker/0:219:35:540
11819977,0cyclictest9832-21kworker/0:219:34:360
11819977,0cyclictest5762-21kworker/0:119:25:040
11819977,0cyclictest3961-21kworker/0:020:44:200
11819977,0cyclictest3961-21kworker/0:020:38:460
11819977,0cyclictest24089-21kworker/0:020:10:300
11819977,0cyclictest24089-21kworker/0:020:09:090
11819977,0cyclictest14137-21kworker/0:021:06:540
11819977,0cyclictest14137-21kworker/0:021:02:260
11819977,0cyclictest1355-21kworker/0:019:15:470
11819977,0cyclictest1355-21kworker/0:019:13:060
11819977,0cyclictest10113-21kworker/0:220:54:120
11819975,1cyclictest660-21avahi-daemon22:25:150
11819975,1cyclictest660-21avahi-daemon22:01:380
11819975,1cyclictest20060-21sshd23:05:240
11819974,2cyclictest660-21avahi-daemon22:10:350
10491270,5sleep2649-21polkitd21:52:132
11979965,0cyclictest0-21swapper/321:00:083
11979964,1cyclictest674-21dbus-daemon19:40:013
11979963,2cyclictest1002-21snmpd20:56:113
11979963,2cyclictest1002-21snmpd19:15:053
11979960,5cyclictest0-21swapper/320:53:483
11979960,5cyclictest0-21swapper/320:13:083
11979960,5cyclictest0-21swapper/319:31:283
11939965,0cyclictest0-21swapper/220:30:232
11939964,1cyclictest8584-21grep20:45:122
11939963,2cyclictest1002-21snmpd20:59:302
11939963,2cyclictest1002-21snmpd20:20:552
11879964,1cyclictest25-21ksoftirqd/120:25:001
11879964,1cyclictest25-21ksoftirqd/119:50:001
11879963,2cyclictest1002-21snmpd21:01:381
11879963,2cyclictest1002-21snmpd20:47:021
11879963,2cyclictest1002-21snmpd20:28:521
11879963,2cyclictest1002-21snmpd20:08:251
11819966,0cyclictest9832-21kworker/0:220:00:020
11819966,0cyclictest9832-21kworker/0:219:55:400
11819966,0cyclictest9832-21kworker/0:219:40:050
11819966,0cyclictest8035-21kworker/0:120:45:230
11819966,0cyclictest5762-21kworker/0:119:20:220
11819966,0cyclictest32233-21kworker/0:220:30:100
11819966,0cyclictest32233-21kworker/0:220:25:060
11819966,0cyclictest28158-21kworker/0:120:20:110
11819966,0cyclictest28158-21kworker/0:120:15:040
11819966,0cyclictest10113-21kworker/0:220:55:060
11979953,1cyclictest494-21cat20:25:133
11979953,1cyclictest28866-21cat20:15:143
11979953,1cyclictest1002-21snmpd20:38:133
11979953,1cyclictest1002-21snmpd20:30:073
11979953,1cyclictest1002-21snmpd19:13:213
11979952,2cyclictest7318-21sensors20:40:203
11979952,2cyclictest17309-21sh21:05:173
11979952,2cyclictest1002-21snmpd20:46:293
11979952,2cyclictest1002-21snmpd19:54:253
11979952,2cyclictest1002-21snmpd19:41:423
11939954,0cyclictest0-21swapper/220:26:222
11939953,1cyclictest14885-21cat21:00:142
11939953,1cyclictest1082-21lldpd19:25:322
11939953,1cyclictest1002-21snmpd21:05:292
11939953,1cyclictest1002-21snmpd20:52:082
11939953,1cyclictest1002-21snmpd20:43:162
11939953,1cyclictest1002-21snmpd20:36:492
11939953,1cyclictest1002-21snmpd20:16:592
11939953,1cyclictest1002-21snmpd20:00:572
11939953,1cyclictest1002-21snmpd19:55:332
11939953,1cyclictest1002-21snmpd19:30:352
11939952,2cyclictest674-21dbus-daemon19:19:592
11939952,2cyclictest1002-21snmpd19:41:572
11939950,0cyclictest0-21swapper/219:21:122
11879954,0cyclictest0-21swapper/119:56:281
11879953,1cyclictest674-21dbus-daemon20:55:011
11879953,1cyclictest674-21dbus-daemon19:15:001
11879953,1cyclictest649-21polkitd20:00:001
11879953,1cyclictest5994-21kworker/1:020:40:151
11879953,1cyclictest28902-21cat20:15:131
11879953,1cyclictest1002-21snmpd20:51:231
11879953,1cyclictest1002-21snmpd20:36:221
11879953,1cyclictest1002-21snmpd20:12:341
11879953,1cyclictest1002-21snmpd19:40:301
11879953,1cyclictest1002-21snmpd19:35:031
11879953,1cyclictest0-21swapper/120:30:161
11879952,2cyclictest1908-21irqstats19:10:121
11879952,2cyclictest19072-21ntpq19:50:171
11879952,2cyclictest1002-21snmpd19:30:411
11939942,1cyclictest24472-21grep20:05:112
11939942,1cyclictest1634-21df_inode19:10:102
11879942,1cyclictest1002-21snmpd19:25:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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