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2026-05-20 - 18:20
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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 Wed May 20, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130312800,1sleep213036-21bash10:32:262
101582570,0sleep10-21swapper/112:26:161
148442550,0sleep30-21swapper/312:07:123
73362530,0sleep00-21swapper/010:48:420
192442530,0sleep20-21swapper/212:04:502
13942530,0sleep31390-21sshd11:35:233
280942520,1sleep341-21ksoftirqd/309:19:423
20872520,0sleep30-21swapper/310:37:043
94322500,0sleep20-21swapper/211:55:342
5482500,0sleep00-21swapper/011:07:330
53572500,0sleep20-21swapper/211:41:202
237132490,0sleep10-21swapper/110:18:191
48962480,0sleep30-21swapper/310:31:423
318662480,0sleep0101ktimersoftd/010:42:260
146022480,1sleep314584-21rm11:42:093
20552470,0sleep10-21swapper/112:08:551
171712440,0sleep30-21swapper/311:08:593
78212420,0sleep10-21swapper/110:37:341
2739524230,7sleep20-21swapper/207:07:312
274432308,7sleep10-21swapper/107:08:061
272332269,4sleep30-21swapper/307:05:283
258062219,7sleep00-21swapper/007:05:090
39392190,0sleep30-21swapper/310:42:483
302532180,0sleep20-21swapper/209:57:462
94672170,0sleep00-21swapper/010:29:200
30422170,14sleep375750irq/24-eno1-rx-11:21:413
230402170,0sleep20-21swapper/211:37:182
226372170,1sleep322631-21lspci09:43:363
2770999166,1cyclictest33-21ksoftirqd/212:25:512
27704991614,1cyclictest18677-21kworker/0:009:17:260
138252160,0sleep20-21swapper/209:17:522
111672160,0sleep00-21swapper/010:06:200
27704991514,0cyclictest32550irq/27-ahci[00011:48:010
173932150,0sleep30-21swapper/310:46:453
96602140,0sleep30-21swapper/312:17:543
59432140,0sleep10-21swapper/109:29:001
324142140,0sleep00-21swapper/010:01:320
2770999145,2cyclictest33-21ksoftirqd/209:42:322
2770999145,1cyclictest33-21ksoftirqd/212:32:052
2770999144,1cyclictest33-21ksoftirqd/212:21:072
27709991414,0cyclictest527-40kipmi007:29:472
2770899140,12cyclictest17324-21sshd11:42:231
27704991413,0cyclictest27968-21lspci09:38:040
27704991413,0cyclictest26733-21kworker/0:210:30:140
27704991413,0cyclictest10943-21kworker/0:310:12:350
239152140,1sleep123912-21lspci12:02:251
190152140,0sleep10-21swapper/109:18:311
129762140,0sleep3391rcuc/310:54:473
115952140,0sleep00-21swapper/012:01:200
311102130,0sleep031111-21systemd-cgroups09:41:170
2771099130,1cyclictest1-21systemd12:13:383
2770999136,3cyclictest33-21ksoftirqd/209:35:172
2770999134,3cyclictest33-21ksoftirqd/210:19:282
2770999134,3cyclictest33-21ksoftirqd/209:46:142
2770999134,1cyclictest33-21ksoftirqd/212:05:452
2770999134,1cyclictest33-21ksoftirqd/210:25:202
2770999133,3cyclictest33-21ksoftirqd/211:14:262
2770999133,2cyclictest33-21ksoftirqd/211:28:312
2770999133,1cyclictest33-21ksoftirqd/211:05:432
2770999133,1cyclictest33-21ksoftirqd/210:38:042
27709991311,1cyclictest33-21ksoftirqd/211:00:082
27709991311,1cyclictest33-21ksoftirqd/210:49:412
2770999130,11cyclictest0-21swapper/212:13:082
27708991311,1cyclictest5641-21sshd11:13:321
2770899130,12cyclictest660-21avahi-daemon10:52:231
27704991313,0cyclictest28435-21kworker/0:011:27:060
27704991312,0cyclictest25912-21lspci10:55:480
27710991210,1cyclictest0-21swapper/311:33:483
2771099120,11cyclictest0-21swapper/310:11:083
2770999123,1cyclictest674-21dbus-daemon10:11:302
2770999123,1cyclictest33-21ksoftirqd/212:15:262
2770999123,1cyclictest33-21ksoftirqd/209:21:532
2770999122,1cyclictest33-21ksoftirqd/211:32:252
2770999121,3cyclictest649-21polkitd11:54:492
2770999121,1cyclictest33-21ksoftirqd/210:52:282
27709991210,1cyclictest10388-21find10:20:182
2770999120,1cyclictest12526-21sshd09:33:452
2770999120,11cyclictest0-21swapper/210:41:082
27708991210,1cyclictest0-21swapper/111:46:021
2770899120,11cyclictest0-21swapper/107:55:121
27704991212,0cyclictest9421-21kworker/0:311:39:240
27704991211,0cyclictest5109-21lspci12:11:550
27704991210,1cyclictest0-21swapper/011:56:550
2770499120,1cyclictest21852-21grep11:12:070
2770499120,11cyclictest3344-21lspci10:51:050
2770499120,11cyclictest31254-21sshd09:28:050
2770499120,0cyclictest0-21swapper/011:22:350
27710991110,0cyclictest0-21swapper/310:01:473
27710991110,0cyclictest0-21swapper/309:22:583
2771099110,1cyclictest28080-21lspci10:18:473
2771099110,10cyclictest0-21swapper/312:20:583
2771099110,10cyclictest0-21swapper/309:47:083
2770999117,1cyclictest33-21ksoftirqd/211:15:112
2770999115,1cyclictest33-21ksoftirqd/211:48:352
2770999114,1cyclictest33-21ksoftirqd/210:56:182
2770999113,3cyclictest33-21ksoftirqd/209:51:062
2770999113,1cyclictest33-21ksoftirqd/210:05:132
2770999113,1cyclictest33-21ksoftirqd/210:00:552
2770999112,3cyclictest33-21ksoftirqd/211:20:042
2770999112,2cyclictest710-21NetworkManager12:37:302
27708991110,0cyclictest0-21swapper/109:21:031
2770899110,10cyclictest5898-21sshd10:56:521
2770899110,10cyclictest0-21swapper/112:37:021
2770899110,10cyclictest0-21swapper/111:29:421
2770899110,10cyclictest0-21swapper/110:34:021
2770899110,10cyclictest0-21swapper/110:20:021
2770499119,1cyclictest9-21ksoftirqd/009:15:000
27704991111,0cyclictest18757-21kworker/0:209:57:180
27704991110,0cyclictest944-21lspci12:31:040
27704991110,0cyclictest30984-21lspci11:43:350
2770499110,10cyclictest0-21swapper/011:50:240
2770499110,10cyclictest0-21swapper/010:35:340
2770499110,0cyclictest0-21swapper/012:24:550
234662110,1sleep323468-21bash11:51:143
322952100,0sleep10-21swapper/111:15:471
2771099109,0cyclictest0-21swapper/312:28:383
2771099109,0cyclictest0-21swapper/310:25:383
2771099109,0cyclictest0-21swapper/309:58:583
2771099108,1cyclictest0-21swapper/309:35:273
2771099100,0cyclictest0-21swapper/312:30:393
2771099100,0cyclictest0-21swapper/311:57:483
2771099100,0cyclictest0-21swapper/309:12:173
2770999109,0cyclictest0-21swapper/208:55:192
2770999107,1cyclictest33-21ksoftirqd/209:10:032
2770999103,1cyclictest33-21ksoftirqd/209:26:252
2770899109,0cyclictest0-21swapper/112:21:231
2770899109,0cyclictest0-21swapper/109:54:321
2770899109,0cyclictest0-21swapper/109:42:521
2770899100,0cyclictest0-21swapper/112:11:121
2770899100,0cyclictest0-21swapper/110:40:031
2770899100,0cyclictest0-21swapper/109:11:331
2770499109,0cyclictest0-21swapper/012:19:140
2770499109,0cyclictest0-21swapper/012:09:050
2770499108,1cyclictest581-21sshd09:51:150
27704991010,0cyclictest30813-21lspci11:18:310
226552100,0sleep10-21swapper/112:32:581
277109998,0cyclictest0-21swapper/310:23:383
277109998,0cyclictest0-21swapper/310:08:173
277109998,0cyclictest0-21swapper/309:33:083
277109997,1cyclictest642-21systemd-logind11:12:183
277109997,1cyclictest41-21ksoftirqd/311:47:143
277109997,1cyclictest13090-21lspci12:04:183
277109995,3cyclictest660-21avahi-daemon10:55:423
277099999,0cyclictest527-40kipmi007:54:132
277089998,0cyclictest0-21swapper/111:59:031
277089998,0cyclictest0-21swapper/111:30:331
277089998,0cyclictest0-21swapper/108:33:131
277089998,0cyclictest0-21swapper/107:18:131
277089997,1cyclictest712-21lspci11:01:591
277089996,2cyclictest674-21dbus-daemon10:11:381
277049997,1cyclictest9-21ksoftirqd/009:47:000
277049994,2cyclictest9-21ksoftirqd/012:27:250
277049990,1cyclictest131rcu_sched09:30:170
277109987,0cyclictest0-21swapper/311:25:093
277109987,0cyclictest0-21swapper/308:19:583
277109985,2cyclictest674-21dbus-daemon11:17:563
277109985,2cyclictest660-21avahi-daemon09:26:143
277109984,3cyclictest649-21polkitd09:51:503
277099988,0cyclictest527-40kipmi008:01:142
277099987,0cyclictest0-21swapper/208:30:192
277099987,0cyclictest0-21swapper/207:37:492
277089987,0cyclictest0-21swapper/112:18:321
277089987,0cyclictest0-21swapper/109:06:431
277089987,0cyclictest0-21swapper/108:43:131
277089987,0cyclictest0-21swapper/108:04:121
277089987,0cyclictest0-21swapper/107:35:131
277089986,1cyclictest660-21avahi-daemon10:26:101
277089986,1cyclictest20264-21lspci09:46:331
277089986,1cyclictest1073-21nfsd11:35:521
277089985,2cyclictest674-21dbus-daemon10:47:091
277089985,2cyclictest660-21avahi-daemon10:07:161
277089985,2cyclictest660-21avahi-daemon09:36:321
277089985,2cyclictest11081-21sshd09:55:421
277089984,3cyclictest674-21dbus-daemon11:21:011
277089984,3cyclictest19260-21sshd10:03:381
277089984,2cyclictest8586-21sshd11:05:231
277089983,4cyclictest660-21avahi-daemon09:33:591
277049987,0cyclictest0-21swapper/010:15:350
277049987,0cyclictest0-21swapper/009:20:150
277049986,1cyclictest9-21ksoftirqd/012:36:370
277049986,1cyclictest9-21ksoftirqd/011:31:000
277049986,1cyclictest9-21ksoftirqd/011:00:570
277049986,1cyclictest9-21ksoftirqd/010:20:230
277109976,0cyclictest0-21swapper/307:51:283
277109976,0cyclictest0-21swapper/307:35:183
277109975,1cyclictest699-21gdbus12:35:143
277109974,2cyclictest660-21avahi-daemon11:01:223
277099975,1cyclictest33-21ksoftirqd/208:20:012
277099975,1cyclictest33-21ksoftirqd/207:50:002
277099971,1cyclictest131rcu_sched08:49:592
277099970,3cyclictest710-21NetworkManager08:30:012
277099970,2cyclictest699-21gdbus09:09:382
277089976,0cyclictest0-21swapper/108:35:021
277089976,0cyclictest0-21swapper/107:23:121
277089974,1cyclictest22658-21sshd11:51:091
277049977,0cyclictest101ktimersoftd/008:59:470
277109965,0cyclictest0-21swapper/308:25:083
277109964,1cyclictest649-21polkitd07:50:013
277109963,2cyclictest1002-21snmpd07:28:543
277099965,0cyclictest0-21swapper/207:15:182
277099964,1cyclictest33-21ksoftirqd/208:40:012
277099964,1cyclictest33-21ksoftirqd/207:24:592
277099963,2cyclictest1002-21snmpd08:37:192
277099963,2cyclictest1002-21snmpd08:08:342
277099961,3cyclictest16231-21idleruntime-cro08:00:002
277089963,2cyclictest1002-21snmpd08:51:491
277089963,2cyclictest1002-21snmpd07:46:351
277089960,5cyclictest0-21swapper/109:04:521
277049966,0cyclictest101ktimersoftd/007:27:470
277049965,0cyclictest0-21swapper/009:03:040
277049965,0cyclictest0-21swapper/007:45:240
277049964,1cyclictest9-21ksoftirqd/007:45:010
277109954,0cyclictest0-21swapper/309:02:173
277109954,0cyclictest0-21swapper/308:10:273
277109953,1cyclictest807-21cat08:40:143
277109953,1cyclictest4931-21cat08:50:153
277109953,1cyclictest31029-21grep08:35:093
277109953,1cyclictest30465-21mii-tool07:15:003
277109953,1cyclictest1002-21snmpd08:55:383
277109953,1cyclictest1002-21snmpd08:46:163
277109953,1cyclictest1002-21snmpd08:30:083
277109953,1cyclictest1002-21snmpd08:05:123
277109953,1cyclictest1002-21snmpd07:59:033
277109952,2cyclictest1082-21lldpd07:30:423
277109952,2cyclictest1002-21snmpd09:06:213
277109952,2cyclictest1002-21snmpd07:20:033
277109950,2cyclictest28513-21/usr/sbin/munin07:10:173
277099954,0cyclictest0-21swapper/207:10:192
277099953,1cyclictest2910-21mii-tool08:45:122
277099953,1cyclictest1705-21sendmail07:42:382
277099953,1cyclictest1002-21snmpd09:00:592
277099953,1cyclictest1002-21snmpd08:20:342
277099953,1cyclictest1002-21snmpd07:30:082
277099952,2cyclictest1002-21snmpd08:11:542
277089954,0cyclictest0-21swapper/108:17:431
277089953,1cyclictest20875-21gltestperf08:10:121
277089953,1cyclictest13218-21ntpdc07:50:161
277089953,1cyclictest1002-21snmpd08:56:391
277089953,1cyclictest1002-21snmpd08:27:311
277089953,1cyclictest1002-21snmpd08:05:431
277089953,1cyclictest1002-21snmpd07:43:001
277089953,1cyclictest1002-21snmpd07:32:381
277089953,1cyclictest1002-21snmpd07:27:451
277089953,1cyclictest1002-21snmpd07:10:181
277089952,2cyclictest1002-21snmpd08:45:081
277089950,0cyclictest0-21swapper/108:21:031
277049954,1cyclictest3985-21kworker/0:107:35:200
277049954,0cyclictest31205-21cat08:35:100
277049954,0cyclictest1002-21snmpd07:55:430
277049954,0cyclictest0-21swapper/007:21:240
277049953,1cyclictest4729-21cat07:30:130
277049953,1cyclictest23055-21cat08:15:150
277049953,1cyclictest1705-21sendmail09:09:160
277049953,1cyclictest1082-21lldpd08:30:060
277049953,1cyclictest1082-21lldpd08:28:480
277049953,1cyclictest1002-21snmpd08:50:190
277049953,1cyclictest1002-21snmpd08:47:140
277049953,1cyclictest1002-21snmpd08:40:160
277049953,1cyclictest1002-21snmpd07:18:270
277049952,2cyclictest18762-21df_inode08:05:120
277049952,2cyclictest1002-21snmpd07:11:380
277109942,1cyclictest8381-21cpuspeed_turbos07:40:113
277109942,1cyclictest624-13audispd08:20:093
277109942,1cyclictest16895-21if_eno108:00:133
277049942,1cyclictest32550irq/27-ahci[00007:50:110
277049942,1cyclictest24928-21expr08:20:130
277049942,1cyclictest20932-21sed08:10:130
277049941,2cyclictest642-21systemd-logind08:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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