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2026-04-11 - 04:08
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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 Sat Apr 11, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210442730,0sleep00-21swapper/023:41:270
282202660,0sleep30-21swapper/322:40:183
268772570,0sleep126865-21sshd21:58:181
216782570,1sleep321677-21sshd23:33:053
125782560,0sleep20-21swapper/223:29:312
277162550,0sleep30-21swapper/300:04:373
199292530,1sleep1674-21dbus-daemon22:53:371
5292520,0sleep3528-21grep00:05:053
318502520,2sleep1946199cyclictest23:31:071
207512520,1sleep120742-21sshd22:11:391
14302520,1sleep1231rcuc/123:08:521
60932510,1sleep2311rcuc/223:48:382
216612510,0sleep20-21swapper/222:11:442
115562510,0sleep00-21swapper/000:08:510
305622500,0sleep10-21swapper/123:11:201
178572500,0sleep30-21swapper/323:35:293
172312500,0sleep20-21swapper/222:28:112
262722490,0sleep00-21swapper/021:47:080
89802480,0sleep00-21swapper/023:01:020
63432480,0sleep36345-21sshd22:18:513
236682480,1sleep09-21ksoftirqd/022:28:440
118342480,0sleep3391rcuc/323:01:163
268852460,0sleep10-21swapper/122:26:101
150042380,0sleep30-21swapper/322:53:113
91282308,7sleep30-21swapper/319:07:143
91002288,6sleep20-21swapper/219:06:532
904822616,6sleep10-21swapper/119:06:161
89782209,7sleep00-21swapper/019:05:230
276362200,1sleep3674-21dbus-daemon21:33:243
52162190,1sleep15215-21sshd23:40:071
324642170,0sleep20-21swapper/221:14:332
12262170,0sleep20-21swapper/200:05:072
305932160,1sleep230529-21sshd22:35:002
251852160,0sleep20-21swapper/200:21:142
163172160,1sleep316315-21kernelversion22:25:163
162692160,0sleep00-21swapper/000:26:050
90272150,0sleep30-21swapper/323:15:103
9466991412,1cyclictest674-21dbus-daemon23:13:092
51522140,1sleep125-21ksoftirqd/100:36:231
322992140,0sleep0642-21systemd-logind00:21:510
29842140,0sleep2946699cyclictest00:13:452
251842140,0sleep20-21swapper/221:38:452
947299130,12cyclictest642-21systemd-logind20:00:003
947299130,11cyclictest18258-21sshd21:16:403
9461991311,1cyclictest698-21gdbus21:11:281
9461991311,1cyclictest22555-21lspci21:49:371
9461991311,1cyclictest0-21swapper/100:31:081
945599130,1cyclictest25938-21bash22:00:560
945599130,12cyclictest674-21dbus-daemon23:21:070
213862130,0sleep221388-21bash21:46:412
166672130,0sleep10-21swapper/123:52:211
97442120,0sleep30-21swapper/321:48:313
9472991210,1cyclictest75750irq/24-eno1-rx-23:21:303
9472991210,1cyclictest11842-21sshd00:25:403
9472991210,1cyclictest0-21swapper/323:45:303
947299120,1cyclictest26317-21sshd23:13:503
947299120,1cyclictest12852-21sshd21:20:003
947299120,11cyclictest0-21swapper/320:20:203
9466991210,1cyclictest32167-21sshd23:39:392
9466991210,1cyclictest10277-21bash23:20:492
946699120,1cyclictest15463-21sshd22:19:392
946699120,11cyclictest458-21sshd22:09:592
946699120,11cyclictest1-21systemd22:46:592
9461991210,1cyclictest25124-21lspci22:48:281
9455991211,0cyclictest12448-21lspci00:39:550
9455991210,1cyclictest6929-21lspci22:44:070
9455991210,1cyclictest29979-21gdbus23:37:570
42162120,0sleep30-21swapper/321:11:023
291102120,0sleep00-21swapper/000:13:110
110992120,0sleep20-21swapper/200:31:152
947299119,1cyclictest623-17sedispatch00:24:303
947299110,10cyclictest0-21swapper/322:22:593
947299110,10cyclictest0-21swapper/300:11:103
9466991110,0cyclictest0-21swapper/221:57:092
9466991110,0cyclictest0-21swapper/221:54:492
946699110,10cyclictest0-21swapper/222:57:192
946699110,10cyclictest0-21swapper/221:20:282
946699110,0cyclictest0-21swapper/221:05:182
9461991110,0cyclictest0-21swapper/122:22:381
946199110,10cyclictest30780-21ps22:15:181
946199110,10cyclictest0-21swapper/121:22:571
946199110,10cyclictest0-21swapper/121:19:381
945599119,1cyclictest27222-21sshd23:27:570
945599119,1cyclictest0-21swapper/022:56:270
9455991110,0cyclictest2580-21lspci00:02:230
945599110,10cyclictest0-21swapper/023:45:070
945599110,10cyclictest0-21swapper/021:38:460
945599110,10cyclictest0-21swapper/019:31:570
945599110,0cyclictest0-21swapper/023:31:560
55102110,1sleep10-21swapper/122:41:081
947299109,0cyclictest0-21swapper/322:47:403
947299109,0cyclictest0-21swapper/321:40:403
947299109,0cyclictest0-21swapper/320:47:303
947299109,0cyclictest0-21swapper/320:47:293
947299109,0cyclictest0-21swapper/300:16:393
947299108,1cyclictest29715-21lspci22:37:393
946699109,0cyclictest0-21swapper/223:59:292
946699109,0cyclictest0-21swapper/223:00:282
946699109,0cyclictest0-21swapper/222:02:592
946699109,0cyclictest0-21swapper/221:17:092
946699109,0cyclictest0-21swapper/200:02:392
946699100,2cyclictest1-21systemd00:26:012
946199109,0cyclictest0-21swapper/122:59:581
946199108,1cyclictest1650-21lspci23:03:151
946199100,0cyclictest0-21swapper/123:24:181
946199100,0cyclictest0-21swapper/123:19:271
946199100,0cyclictest0-21swapper/121:50:481
946199100,0cyclictest0-21swapper/100:20:581
945599109,0cyclictest0-21swapper/022:46:070
945599109,0cyclictest0-21swapper/022:31:070
945599109,0cyclictest0-21swapper/021:26:470
945599109,0cyclictest0-21swapper/021:14:060
945599109,0cyclictest0-21swapper/019:50:160
945599100,9cyclictest26997-21sshd23:08:150
94729998,0cyclictest0-21swapper/323:09:503
94729997,1cyclictest24457-21turbostat.cron21:05:013
94729995,3cyclictest660-21avahi-daemon22:08:103
94729995,3cyclictest2512-21sshd23:51:043
94669998,0cyclictest0-21swapper/223:07:592
94669998,0cyclictest0-21swapper/222:54:092
94669998,0cyclictest0-21swapper/222:36:582
94669998,0cyclictest0-21swapper/222:20:492
94669998,0cyclictest0-21swapper/219:55:192
94619998,0cyclictest0-21swapper/122:31:281
94619997,1cyclictest25-21ksoftirqd/123:38:101
94619997,1cyclictest1-21systemd22:35:181
94619997,1cyclictest0-21swapper/100:07:371
94559998,0cyclictest0-21swapper/023:19:060
94559998,0cyclictest0-21swapper/022:22:170
94559990,0cyclictest131rcu_sched21:42:220
94559990,0cyclictest0-21swapper/021:09:170
5628290,1sleep0101ktimersoftd/022:15:560
20114290,1sleep1699-21gdbus22:08:521
94729987,0cyclictest0-21swapper/323:26:193
94729985,2cyclictest699-21gdbus22:13:473
94729985,2cyclictest660-21avahi-daemon23:57:423
94729985,2cyclictest660-21avahi-daemon23:44:323
94729985,2cyclictest660-21avahi-daemon22:32:523
94729985,2cyclictest660-21avahi-daemon21:36:173
94729985,2cyclictest660-21avahi-daemon21:26:133
94729985,2cyclictest660-21avahi-daemon00:30:543
94729983,4cyclictest699-21gdbus00:36:043
94669987,0cyclictest0-21swapper/223:41:382
94669986,1cyclictest33-21ksoftirqd/200:15:122
94669986,1cyclictest19308-21bash23:15:582
94669985,2cyclictest660-21avahi-daemon23:51:482
94669985,2cyclictest660-21avahi-daemon23:32:102
94669985,2cyclictest660-21avahi-daemon21:34:192
94669985,2cyclictest660-21avahi-daemon00:35:262
94619987,0cyclictest0-21swapper/100:29:581
94619987,0cyclictest0-21swapper/100:19:481
94619986,1cyclictest25-21ksoftirqd/123:29:231
94619986,1cyclictest15526-21bash23:49:281
94619985,2cyclictest660-21avahi-daemon23:57:171
94619985,2cyclictest660-21avahi-daemon21:43:431
94619985,2cyclictest660-21avahi-daemon21:27:421
94619985,2cyclictest660-21avahi-daemon00:14:321
94619985,2cyclictest660-21avahi-daemon00:03:071
94619984,1cyclictest11527-21sshd21:37:331
94559987,0cyclictest0-21swapper/021:30:170
94559987,0cyclictest0-21swapper/020:12:070
94559986,1cyclictest9-21ksoftirqd/022:35:430
94559986,1cyclictest9-21ksoftirqd/022:05:180
94559986,1cyclictest9-21ksoftirqd/021:56:100
94559986,1cyclictest9-21ksoftirqd/021:23:590
94559986,1cyclictest9-21ksoftirqd/000:15:150
94559986,1cyclictest19385-21sshd22:50:420
94559986,1cyclictest0-21swapper/023:59:460
94559986,1cyclictest0-21swapper/023:53:270
94559982,1cyclictest131rcu_sched22:10:080
94559980,7cyclictest0-21swapper/020:40:070
94559980,7cyclictest0-21swapper/020:40:060
94559980,0cyclictest0-21swapper/019:15:070
12595280,0sleep1241ktimersoftd/121:34:551
94729976,0cyclictest0-21swapper/320:18:303
94729975,1cyclictest660-21avahi-daemon21:50:253
94729974,2cyclictest660-21avahi-daemon22:55:353
94729974,2cyclictest660-21avahi-daemon21:55:003
94729973,3cyclictest674-21dbus-daemon22:00:403
94669974,2cyclictest660-21avahi-daemon22:40:112
94669974,2cyclictest649-21polkitd21:43:052
94669974,2cyclictest15070-21sshd21:28:052
94619976,0cyclictest0-21swapper/120:55:171
94619975,1cyclictest660-21avahi-daemon22:00:201
94559976,0cyclictest0-21swapper/021:00:270
94559975,1cyclictest9-21ksoftirqd/021:52:260
94559975,1cyclictest660-21avahi-daemon23:10:180
94559975,1cyclictest660-21avahi-daemon21:15:070
94559975,1cyclictest660-21avahi-daemon00:30:260
94559970,6cyclictest0-21swapper/020:33:270
94729963,2cyclictest1002-21snmpd20:07:393
94729963,2cyclictest1002-21snmpd19:49:433
94669964,1cyclictest674-21dbus-daemon19:20:002
94669964,1cyclictest660-21avahi-daemon20:29:592
94669964,1cyclictest1002-21snmpd19:27:012
94669963,2cyclictest1002-21snmpd19:23:272
94669960,5cyclictest0-21swapper/221:01:392
94669960,5cyclictest0-21swapper/219:14:592
94619964,1cyclictest674-21dbus-daemon21:09:531
94619963,2cyclictest1002-21snmpd19:56:021
94559965,0cyclictest0-21swapper/020:50:270
94559965,0cyclictest0-21swapper/019:10:160
94559964,1cyclictest674-21dbus-daemon20:40:000
94559963,2cyclictest1002-21snmpd20:26:150
94729953,1cyclictest660-21avahi-daemon21:09:493
94729953,1cyclictest646-21lsmd19:37:583
94729953,1cyclictest2583-21grep20:10:123
94729953,1cyclictest16307-21crond20:45:013
94729953,1cyclictest16307-21crond20:45:013
94729953,1cyclictest16301-21cpu19:25:123
94729953,1cyclictest10096-21cat19:10:133
94729953,1cyclictest1002-21snmpd20:55:073
94729953,1cyclictest1002-21snmpd20:50:343
94729953,1cyclictest1002-21snmpd20:37:183
94729953,1cyclictest1002-21snmpd20:26:093
94729953,1cyclictest1002-21snmpd19:40:323
94729953,1cyclictest1002-21snmpd19:34:013
94729953,1cyclictest1002-21snmpd19:15:343
94729953,1cyclictest0-21swapper/320:00:133
94729952,2cyclictest1002-21snmpd20:33:253
94729952,2cyclictest1002-21snmpd19:51:443
94729952,2cyclictest1002-21snmpd19:20:093
94669953,1cyclictest23830-21sshd19:40:292
94669953,1cyclictest19263-21needreboot20:50:142
94669953,1cyclictest18855-21irqstats19:30:122
94669953,1cyclictest1002-21snmpd20:46:552
94669953,1cyclictest1002-21snmpd20:46:542
94669953,1cyclictest1002-21snmpd20:42:252
94669953,1cyclictest1002-21snmpd20:42:252
94669953,1cyclictest1002-21snmpd20:32:462
94669953,1cyclictest1002-21snmpd20:20:272
94669953,1cyclictest1002-21snmpd20:15:302
94669953,1cyclictest1002-21snmpd20:11:422
94669953,1cyclictest1002-21snmpd20:05:062
94669953,1cyclictest1002-21snmpd19:52:292
94669953,1cyclictest1002-21snmpd19:36:242
94669952,2cyclictest1002-21snmpd20:57:252
94669952,2cyclictest1002-21snmpd19:47:022
94669950,0cyclictest0-21swapper/220:36:392
94619954,0cyclictest0-21swapper/120:19:181
94619953,1cyclictest75850irq/25-eno1-tx-19:54:291
94619953,1cyclictest3212-21grep20:10:171
94619953,1cyclictest24935-21cat19:45:151
94619953,1cyclictest22902-21cat19:40:141
94619953,1cyclictest1705-21sendmail20:20:181
94619953,1cyclictest14739-21mii-tool19:20:121
94619953,1cyclictest1002-21snmpd21:04:531
94619953,1cyclictest1002-21snmpd20:54:311
94619953,1cyclictest1002-21snmpd20:40:281
94619953,1cyclictest1002-21snmpd20:40:271
94619953,1cyclictest1002-21snmpd20:33:521
94619953,1cyclictest1002-21snmpd20:25:201
94619953,1cyclictest1002-21snmpd20:05:181
94619953,1cyclictest1002-21snmpd19:30:251
94619953,1cyclictest1002-21snmpd19:25:461
94619952,2cyclictest12850-21sh20:35:121
94619952,2cyclictest1002-21snmpd19:39:521
94619952,2cyclictest0-21swapper/120:45:141
94619952,2cyclictest0-21swapper/120:45:141
94619950,4cyclictest0-21swapper/119:18:181
94619950,0cyclictest0-21swapper/119:11:371
94559953,1cyclictest25277-21grep19:45:160
94559953,1cyclictest21476-21grep20:55:150
94559953,1cyclictest1002-21snmpd20:48:430
94559953,1cyclictest1002-21snmpd20:48:430
94559953,1cyclictest1002-21snmpd20:16:200
94559953,1cyclictest1002-21snmpd20:01:200
94559953,1cyclictest1002-21snmpd19:37:050
94559953,1cyclictest1002-21snmpd19:21:040
94559952,2cyclictest2018-21chrt20:09:490
94559952,2cyclictest1002-21snmpd19:55:380
94559952,2cyclictest1002-21snmpd19:40:380
94559952,2cyclictest1002-21snmpd19:29:100
94669942,1cyclictest1002-21snmpd20:00:012
94619942,1cyclictest0-21swapper/120:00:121
94559944,0cyclictest6146-21kworker/0:320:20:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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