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2026-03-14 - 12:03
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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 Sat Mar 14, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139322940,0sleep00-21swapper/023:40:080
316592870,0sleep231658-21sensors_fan22:30:172
90622610,1sleep0699-21gdbus23:39:440
220852590,2sleep2311rcuc/200:27:282
262462580,0sleep326242-21bash21:23:293
223502560,1sleep0674-21dbus-daemon22:29:350
15672560,0sleep20-21swapper/200:06:292
148652560,2sleep02746499cyclictest23:26:260
22182540,0sleep00-21swapper/022:33:190
186682540,0sleep10-21swapper/123:02:051
319172530,0sleep331911-21switchtime22:30:183
38312520,0sleep10-21swapper/122:47:061
307822510,0sleep00-21swapper/000:14:320
299062510,0sleep10-21swapper/122:41:051
267982510,0sleep00-21swapper/021:29:110
178712510,0sleep10-21swapper/123:32:121
171532510,0sleep00-21swapper/022:07:240
111942510,0sleep00-21swapper/021:35:240
289132500,0sleep10-21swapper/123:44:091
286602500,0sleep30-21swapper/300:22:323
155182500,0sleep215516-21sshd23:07:172
283152490,1sleep3401ktimersoftd/322:35:263
247272490,1sleep124712-21sshd23:49:181
190672490,1sleep3401ktimersoftd/321:57:133
148462480,1sleep00-21swapper/023:15:240
7562470,0sleep30-21swapper/323:52:443
308562470,0sleep30-21swapper/323:14:083
229872470,0sleep00-21swapper/022:24:100
88342430,1sleep38835-21grepconf.sh22:25:373
53662430,2sleep22747499cyclictest22:06:052
272412308,7sleep20-21swapper/219:08:352
227762290,2sleep32748599cyclictest22:24:093
2555322318,3sleep00-21swapper/019:05:010
27474992221,0cyclictest5704-21lspci00:20:312
2701222110,7sleep10-21swapper/119:05:461
2700422110,7sleep30-21swapper/319:05:403
88562200,1sleep1674-21dbus-daemon23:58:551
289752200,0sleep20-21swapper/221:12:472
99922170,1sleep29991-21grep23:42:302
39402170,0sleep20-21swapper/221:41:382
274762170,1sleep027448-21sshd00:36:070
27474991716,0cyclictest31145-21lspci23:30:322
253242170,0sleep125326-21bash22:27:031
15052170,0sleep20-21swapper/220:40:192
97522150,1sleep29750-21sshd21:38:502
290832150,0sleep20-21swapper/223:13:582
205582150,0sleep020560-21bash22:45:450
204262150,0sleep20-21swapper/222:29:242
173852150,0sleep20-21swapper/223:56:522
47472140,0sleep10-21swapper/100:20:261
313622140,0sleep30-21swapper/300:33:463
214762140,1sleep1241ktimersoftd/121:11:261
302082130,1sleep0674-21dbus-daemon00:28:100
2747499132,10cyclictest1689-21grepconf.sh23:47:182
27474991313,0cyclictest527-40kipmi021:33:522
2747099130,12cyclictest1-21systemd22:53:331
173542130,0sleep00-21swapper/020:00:180
81402120,0sleep20-21swapper/221:52:362
2748599129,2cyclictest623-17sedispatch00:16:363
2748599120,1cyclictest28468-21sshd23:05:363
2748599120,1cyclictest21253-21bash22:04:263
2748599120,11cyclictest20841-21sshd22:45:463
27474991211,0cyclictest321ktimersoftd/222:58:222
27474991211,0cyclictest26947-21lspci00:00:222
27474991211,0cyclictest26699-21lspci00:19:412
2747499120,1cyclictest29979-21gdbus00:10:382
27470991210,1cyclictest32419-21sshd00:36:331
2747099120,11cyclictest10864-21grep22:55:531
2746499120,11cyclictest0-21swapper/021:47:530
61312110,0sleep06130-21lspci00:34:240
2748599119,1cyclictest30062-21bash23:35:573
2748599110,10cyclictest0-21swapper/321:25:363
2748599110,10cyclictest0-21swapper/321:17:463
2748599110,10cyclictest0-21swapper/300:05:563
27474991111,0cyclictest527-40kipmi020:46:212
27474991111,0cyclictest527-40kipmi019:44:272
27474991111,0cyclictest321ktimersoftd/220:37:302
27474991110,0cyclictest17666-21lspci22:23:422
27474991110,0cyclictest0-21swapper/222:04:482
2747499110,10cyclictest0-21swapper/223:03:382
2747499110,10cyclictest0-21swapper/200:34:582
27470991110,0cyclictest0-21swapper/122:39:531
27470991110,0cyclictest0-21swapper/122:17:531
2747099110,10cyclictest0-21swapper/121:56:131
2747099110,0cyclictest0-21swapper/122:33:131
2746499119,1cyclictest0-21swapper/021:54:020
27464991110,0cyclictest0-21swapper/000:09:320
2746499110,10cyclictest0-21swapper/000:24:520
2746499110,0cyclictest0-21swapper/000:18:120
68472100,1sleep11-21systemd23:36:441
2748599109,0cyclictest0-21swapper/323:31:363
2748599109,0cyclictest0-21swapper/322:44:363
2748599100,0cyclictest0-21swapper/321:53:563
2747499109,0cyclictest25543-21lspci23:16:212
2747499109,0cyclictest10325-21lspci21:45:472
2747499109,0cyclictest0-21swapper/221:19:182
2747499108,1cyclictest33-21ksoftirqd/223:51:032
2747499102,1cyclictest33-21ksoftirqd/222:44:002
2747499101,2cyclictest24060-21sshd00:35:492
2747499100,1cyclictest131rcu_sched23:36:342
2747499100,0cyclictest0-21swapper/223:24:282
2747499100,0cyclictest0-21swapper/221:56:592
2747099109,0cyclictest1073-21nfsd21:32:131
2747099109,0cyclictest0-21swapper/122:10:231
2747099109,0cyclictest0-21swapper/120:40:141
2747099108,1cyclictest27997-21cat00:25:131
2747099108,1cyclictest13824-21sshd00:18:331
2747099100,0cyclictest0-21swapper/122:22:131
2747099100,0cyclictest0-21swapper/121:40:231
2746499109,0cyclictest0-21swapper/023:22:120
2746499109,0cyclictest0-21swapper/022:39:130
2746499102,4cyclictest13949-21munin-run19:55:000
2746499100,0cyclictest0-21swapper/022:17:120
162502100,0sleep00-21swapper/022:00:190
274859998,0cyclictest0-21swapper/323:27:163
274859998,0cyclictest0-21swapper/322:15:563
274859998,0cyclictest0-21swapper/321:48:563
274859996,2cyclictest674-21dbus-daemon23:22:503
274859995,3cyclictest660-21avahi-daemon22:55:113
274859990,8cyclictest1-21systemd00:12:123
274749998,0cyclictest0-21swapper/222:37:082
274749996,1cyclictest33-21ksoftirqd/222:45:332
274749992,3cyclictest33-21ksoftirqd/223:28:592
274749990,1cyclictest699-21gdbus22:12:442
274749990,1cyclictest131rcu_sched22:50:282
274749990,0cyclictest0-21swapper/221:28:182
274709990,0cyclictest0-21swapper/120:45:231
274649998,0cyclictest0-21swapper/022:12:520
274649998,0cyclictest0-21swapper/021:16:420
274649998,0cyclictest0-21swapper/021:12:220
274649998,0cyclictest0-21swapper/019:32:220
274649997,1cyclictest9-21ksoftirqd/023:33:340
274649997,1cyclictest6846-21bash23:45:020
274649990,1cyclictest699-21gdbus23:05:470
12913290,0sleep10-21swapper/123:50:591
274859987,0cyclictest0-21swapper/323:55:163
274859987,0cyclictest0-21swapper/323:16:363
274859986,1cyclictest660-21avahi-daemon22:52:073
274859986,1cyclictest5863-21lspci00:28:513
274859986,1cyclictest32314-21lspci23:03:143
274859986,1cyclictest30454-21lspci23:41:283
274859986,1cyclictest20481-21bash23:48:563
274859986,1cyclictest18019-21rm00:02:253
274859985,2cyclictest660-21avahi-daemon22:10:523
274859985,2cyclictest660-21avahi-daemon21:40:113
274859985,2cyclictest660-21avahi-daemon21:35:393
274859985,2cyclictest660-21avahi-daemon00:39:163
274749988,0cyclictest321ktimersoftd/220:34:292
274749980,7cyclictest4330-21kworker/2:122:16:312
274709986,1cyclictest7480-21lspci21:25:401
274709986,1cyclictest6059-21lspci00:12:231
274709986,1cyclictest25-21ksoftirqd/121:48:351
274709986,1cyclictest14837-21sshd23:07:141
274709985,2cyclictest660-21avahi-daemon23:24:501
274709985,2cyclictest660-21avahi-daemon23:17:581
274709985,2cyclictest660-21avahi-daemon21:50:051
274709985,2cyclictest660-21avahi-daemon00:04:291
274709985,2cyclictest642-21systemd-logind23:12:331
274709985,2cyclictest25-21ksoftirqd/121:36:081
274649987,0cyclictest0-21swapper/021:24:320
274649987,0cyclictest0-21swapper/019:25:220
274649986,1cyclictest9-21ksoftirqd/023:58:360
274649986,1cyclictest9-21ksoftirqd/022:52:540
274649986,1cyclictest9-21ksoftirqd/021:42:030
274649986,1cyclictest32329-21lspci22:55:030
274649986,1cyclictest18874-21sshd00:02:290
274649985,2cyclictest660-21avahi-daemon23:11:030
274649985,2cyclictest660-21avahi-daemon23:01:200
274649985,1cyclictest674-21dbus-daemon22:40:350
15571280,0sleep0111rcuc/021:56:500
13554280,2sleep175850irq/25-eno1-tx-23:26:191
274859975,1cyclictest660-21avahi-daemon22:05:093
274859975,1cyclictest660-21avahi-daemon21:31:123
274859975,1cyclictest660-21avahi-daemon21:10:413
274749975,1cyclictest660-21avahi-daemon21:20:042
274749975,1cyclictest33-21ksoftirqd/219:50:002
274709975,1cyclictest699-21gdbus21:20:301
274709975,1cyclictest660-21avahi-daemon21:15:321
274709975,1cyclictest660-21avahi-daemon00:05:141
274709975,1cyclictest25-21ksoftirqd/122:02:101
274709975,1cyclictest19922-21sshd00:30:031
274709974,2cyclictest674-21dbus-daemon22:06:471
274709974,2cyclictest1002-21snmpd19:37:181
274649976,0cyclictest0-21swapper/021:00:120
274649976,0cyclictest0-21swapper/020:44:220
274649976,0cyclictest0-21swapper/019:10:320
274649975,1cyclictest660-21avahi-daemon23:52:240
274649974,2cyclictest660-21avahi-daemon21:32:340
274859965,0cyclictest0-21swapper/319:30:263
274859964,1cyclictest660-21avahi-daemon21:10:003
274859964,1cyclictest1002-21snmpd20:16:043
274859963,2cyclictest1002-21snmpd20:50:053
274859963,2cyclictest1002-21snmpd20:30:563
274859963,2cyclictest1002-21snmpd20:06:343
274859963,2cyclictest1002-21snmpd19:46:483
274859963,2cyclictest1002-21snmpd19:29:453
274859963,2cyclictest1002-21snmpd19:21:303
274749964,1cyclictest674-21dbus-daemon20:20:002
274749964,1cyclictest33-21ksoftirqd/220:15:002
274749963,2cyclictest1002-21snmpd20:20:582
274749960,5cyclictest0-21swapper/219:30:082
274709960,5cyclictest0-21swapper/120:20:231
274649963,2cyclictest1002-21snmpd19:58:180
274649960,5cyclictest0-21swapper/020:06:420
274859953,1cyclictest31391-21sed20:35:153
274859953,1cyclictest26675-21sh20:25:123
274859953,1cyclictest17290-21swap20:00:173
274859953,1cyclictest1041-21rpcbind19:55:173
274859953,1cyclictest1002-21snmpd21:00:273
274859953,1cyclictest1002-21snmpd20:56:293
274859953,1cyclictest1002-21snmpd20:45:083
274859953,1cyclictest1002-21snmpd20:10:073
274859953,1cyclictest1002-21snmpd19:50:303
274859953,1cyclictest1002-21snmpd19:17:533
274859953,1cyclictest1002-21snmpd19:13:233
274859952,2cyclictest8481-21cut19:40:123
274859952,2cyclictest1002-21snmpd20:41:173
274859950,0cyclictest0-21swapper/320:23:063
274749953,1cyclictest1002-21snmpd21:00:212
274749953,1cyclictest1002-21snmpd20:56:262
274749953,1cyclictest1002-21snmpd20:50:022
274749953,1cyclictest1002-21snmpd20:29:192
274749953,1cyclictest1002-21snmpd20:09:522
274749953,1cyclictest1002-21snmpd19:55:362
274749953,1cyclictest1002-21snmpd19:54:062
274749953,1cyclictest1002-21snmpd19:35:182
274749953,1cyclictest1002-21snmpd19:25:452
274749953,1cyclictest1002-21snmpd19:17:572
274749952,2cyclictest28010-21gltestperf19:10:122
274749952,2cyclictest1002-21snmpd21:05:272
274749952,2cyclictest1002-21snmpd20:00:372
274749952,2cyclictest1002-21snmpd19:22:272
274709954,0cyclictest0-21swapper/120:36:531
274709954,0cyclictest0-21swapper/119:21:131
274709953,1cyclictest674-21dbus-daemon19:45:001
274709953,1cyclictest4702-21cat20:50:131
274709953,1cyclictest4486-21cat19:30:131
274709953,1cyclictest14668-21cat19:55:151
274709953,1cyclictest10835-21mii-tool21:05:111
274709953,1cyclictest1002-21snmpd21:00:091
274709953,1cyclictest1002-21snmpd20:30:321
274709953,1cyclictest1002-21snmpd20:26:311
274709953,1cyclictest1002-21snmpd20:18:351
274709953,1cyclictest1002-21snmpd20:05:491
274709953,1cyclictest1002-21snmpd20:03:551
274709953,1cyclictest1002-21snmpd19:40:451
274709953,1cyclictest1002-21snmpd19:28:001
274709953,1cyclictest1002-21snmpd19:19:211
274709953,1cyclictest0-21swapper/120:55:201
274709952,2cyclictest1002-21snmpd20:12:011
274649954,0cyclictest0-21swapper/020:24:120
274649953,1cyclictest30973-21cat20:35:120
274649953,1cyclictest28707-21df20:30:110
274649953,1cyclictest27142-21cut20:25:150
274649953,1cyclictest10850-21cat21:05:110
274649953,1cyclictest1002-21snmpd20:45:440
274649953,1cyclictest1002-21snmpd20:10:010
274649953,1cyclictest1002-21snmpd19:49:180
274649953,1cyclictest1002-21snmpd19:40:150
274649953,1cyclictest1002-21snmpd19:37:450
274649953,1cyclictest1002-21snmpd19:18:420
274649952,2cyclictest4306-21tr20:50:110
274649952,1cyclictest0-21swapper/020:19:550
274859942,1cyclictest6325-21gltestperf19:35:123
274709942,1cyclictest28135-21cat19:10:141
274709942,1cyclictest12300-21ls19:50:131
274649942,1cyclictest6847-21sort20:55:150
274649940,3cyclictest32639-21grep19:20:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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