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2026-04-22 - 13:34
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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 highest latencies:
System rack2slot0.osadl.org (updated Wed Apr 22, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91312940,0sleep3651599cyclictest10:40:523
117652930,0sleep311728-21sshd11:44:433
258912920,0sleep225847-21sshd10:47:502
285152860,0sleep228519-21grep12:27:362
210672710,1sleep01072-21nfsd11:01:140
167662600,0sleep30-21swapper/311:28:333
215442580,2sleep0649599cyclictest09:52:210
107302580,0sleep210661-21sshd11:19:472
261512570,0sleep10-21swapper/112:32:551
263272560,0sleep226322-21bash09:29:522
46802550,0sleep20-21swapper/212:39:292
62532540,1sleep0101ktimersoftd/009:15:280
242132540,0sleep10-21swapper/112:10:361
121532540,0sleep20-21swapper/208:40:152
90162530,0sleep30-21swapper/309:51:163
181402530,0sleep20-21swapper/210:33:252
22892520,0sleep20-21swapper/209:42:302
223542520,0sleep10-21swapper/111:48:211
215832520,0sleep30-21swapper/312:29:493
5722510,0sleep30-21swapper/310:20:483
101912510,0sleep0101ktimersoftd/009:45:520
245372500,0sleep30-21swapper/311:45:443
19382500,0sleep00-21swapper/012:28:070
34492490,0sleep10-21swapper/110:04:361
304762490,1sleep330477-21systemd-cgroups09:10:363
258972490,0sleep10-21swapper/111:32:031
189652490,0sleep30-21swapper/311:12:073
57692480,0sleep20-21swapper/210:07:292
36652480,1sleep13666-21id09:42:371
285622480,0sleep1231rcuc/110:06:401
119762480,0sleep00-21swapper/010:05:150
180662460,0sleep0111rcuc/011:31:220
147282460,0sleep20-21swapper/211:14:342
250962420,0sleep00-21swapper/012:30:060
601523833,3sleep30-21swapper/307:05:233
270942350,0sleep20-21swapper/210:23:072
312782330,0sleep131279-21sshd11:35:161
61582287,9sleep20-21swapper/207:07:142
60732288,6sleep10-21swapper/107:06:091
555722210,7sleep00-21swapper/007:05:160
180732220,1sleep018074-21sshd11:39:440
267152200,0sleep10-21swapper/111:57:031
73532190,0sleep37358-21bash10:26:573
247562190,0sleep20-21swapper/210:14:382
6502991716,0cyclictest241ktimersoftd/111:11:361
124992170,0sleep3401ktimersoftd/312:09:423
6502991615,1cyclictest16259-21kworker/1:210:56:201
6502991614,1cyclictest32451-21kworker/1:209:52:221
6502991614,1cyclictest11497-21kworker/1:310:16:281
649599160,14cyclictest624-13audispd11:55:120
301332160,1sleep30-21swapper/310:37:103
69672150,0sleep00-21swapper/011:27:420
6502991514,0cyclictest3848-21kworker/1:410:49:331
6502991514,0cyclictest12412-21kworker/1:409:58:471
3562150,0sleep10-21swapper/111:02:151
69982140,0sleep07001-21bash12:23:010
6502991413,0cyclictest32451-21kworker/1:210:14:231
6502991413,0cyclictest27772-21kworker/1:212:17:571
6502991413,0cyclictest21229-21kworker/1:107:45:191
6502991412,1cyclictest27772-21kworker/1:212:35:071
649599145,2cyclictest9-21ksoftirqd/009:44:040
649599145,1cyclictest9-21ksoftirqd/012:01:560
649599144,2cyclictest9-21ksoftirqd/010:41:550
28652140,0sleep12757-21sshd12:28:121
185992140,0sleep218602-21bash09:57:362
124442140,0sleep10-21swapper/111:06:001
70422130,0sleep20-21swapper/209:19:392
6506991312,0cyclictest0-21swapper/209:14:342
650699130,1cyclictest30131-21sshd11:07:332
650699130,1cyclictest17900-21bash10:52:432
6502991312,0cyclictest12751-21lspci11:22:411
6502991312,0cyclictest11828-21lspci11:41:541
649599136,1cyclictest9-21ksoftirqd/012:17:500
649599134,3cyclictest9-21ksoftirqd/011:08:310
50772130,0sleep05076-21bash11:19:170
279682130,0sleep20-21swapper/212:19:182
204242130,0sleep30-21swapper/309:35:473
6515991210,1cyclictest18640-21sshd10:05:483
651599120,1cyclictest3791-21lspci12:33:483
651599120,1cyclictest26437-21lspci10:34:083
6506991210,1cyclictest31419-21bash12:30:332
6506991210,1cyclictest26980-21sshd10:59:032
650699120,11cyclictest20642-21lspci12:21:232
650699120,11cyclictest0-21swapper/210:40:442
650699120,11cyclictest0-21swapper/210:36:132
650299128,1cyclictest25-21ksoftirqd/112:00:041
6502991211,0cyclictest241ktimersoftd/109:17:381
6502991211,0cyclictest16259-21kworker/1:210:52:411
6502991210,1cyclictest4132-21lspci09:30:591
6502991210,1cyclictest31739-21lspci10:20:411
6502991210,1cyclictest24370-21kworker/1:309:27:361
650299120,1cyclictest8457-21id12:06:311
650299120,1cyclictest6767-21lspci11:27:411
650299120,11cyclictest23991-21bash12:21:411
649599124,2cyclictest9-21ksoftirqd/010:56:330
649599124,1cyclictest9-21ksoftirqd/010:20:150
649599123,2cyclictest9-21ksoftirqd/010:18:400
649599122,1cyclictest9-21ksoftirqd/010:00:030
649599122,1cyclictest9-21ksoftirqd/009:58:390
649599121,5cyclictest11633-21sshd10:35:320
649599121,1cyclictest922-21bash11:24:270
649599120,3cyclictest674-21dbus-daemon12:11:310
649599120,3cyclictest649-21polkitd12:05:190
649599120,1cyclictest21340-21irqstats10:50:130
649599120,1cyclictest11845-21sshd10:10:420
649599120,1cyclictest0-21swapper/009:21:320
3302120,0sleep00-21swapper/010:29:100
219502120,0sleep00-21swapper/011:40:030
186272120,0sleep20-21swapper/211:36:572
158502120,0sleep30-21swapper/312:12:443
6515991110,0cyclictest0-21swapper/312:39:593
6515991110,0cyclictest0-21swapper/310:59:583
651599110,10cyclictest0-21swapper/309:22:583
650699110,10cyclictest0-21swapper/212:00:532
650699110,0cyclictest0-21swapper/210:27:332
650699110,0cyclictest0-21swapper/208:05:132
650299119,1cyclictest24370-21kworker/1:309:10:251
650299119,1cyclictest13089-21kworker/1:207:26:151
650299119,1cyclictest11497-21kworker/1:310:25:171
6502991111,0cyclictest30947-21kworker/1:210:33:381
6502991110,0cyclictest5680-21lspci10:40:321
650299110,0cyclictest0-21swapper/111:53:311
649599114,1cyclictest9-21ksoftirqd/010:45:290
649599113,3cyclictest9-21ksoftirqd/012:36:040
649599112,3cyclictest649-21polkitd09:30:550
649599112,2cyclictest9-21ksoftirqd/009:36:040
649599112,2cyclictest9-21ksoftirqd/009:26:110
649599111,3cyclictest674-21dbus-daemon10:33:250
649599111,1cyclictest674-21dbus-daemon11:10:150
649599111,1cyclictest25309-21cp09:14:000
6495991110,0cyclictest0-21swapper/011:51:220
649599110,10cyclictest0-21swapper/011:47:320
651599109,0cyclictest0-21swapper/312:20:483
651599109,0cyclictest0-21swapper/312:02:583
651599109,0cyclictest0-21swapper/311:15:283
651599100,9cyclictest0-21swapper/311:03:183
651599100,0cyclictest0-21swapper/310:12:383
650699109,0cyclictest0-21swapper/212:08:532
650699109,0cyclictest0-21swapper/211:49:242
650699109,0cyclictest0-21swapper/211:26:132
650699109,0cyclictest0-21swapper/208:50:132
650699108,1cyclictest0-21swapper/210:01:532
650699100,0cyclictest0-21swapper/211:53:132
650699100,0cyclictest0-21swapper/211:02:232
650299108,1cyclictest17403-21sshd09:46:311
650299107,1cyclictest121rcu_preempt09:37:411
650299101,0cyclictest25-21ksoftirqd/109:20:511
6502991010,0cyclictest241ktimersoftd/108:36:111
650299100,0cyclictest0-21swapper/110:39:311
65159998,0cyclictest0-21swapper/311:56:283
65159998,0cyclictest0-21swapper/311:06:393
65159998,0cyclictest0-21swapper/309:15:483
65159997,1cyclictest20305-21systemd-cgroups10:19:483
65159997,1cyclictest0-21swapper/311:36:283
65069998,0cyclictest0-21swapper/212:11:332
65069998,0cyclictest0-21swapper/211:23:532
65069996,2cyclictest660-21avahi-daemon11:30:432
65029998,0cyclictest27036-21kworker/1:211:16:471
65029998,0cyclictest0-21swapper/108:40:211
20984290,1sleep220981-21lspci09:35:502
65159987,0cyclictest0-21swapper/311:52:383
65159987,0cyclictest0-21swapper/309:27:583
65159987,0cyclictest0-21swapper/309:02:183
65159987,0cyclictest0-21swapper/307:56:083
65159987,0cyclictest0-21swapper/307:11:183
65159986,1cyclictest660-21avahi-daemon09:34:073
65159986,1cyclictest41-21ksoftirqd/310:52:413
65159986,1cyclictest19064-21lspci11:34:173
65159985,2cyclictest660-21avahi-daemon09:56:143
65159985,2cyclictest660-21avahi-daemon09:49:033
65159985,2cyclictest31985-21sshd11:24:213
65159984,3cyclictest699-21gdbus12:15:163
65159984,3cyclictest649-21polkitd09:41:293
65069987,0cyclictest0-21swapper/209:09:532
65069986,1cyclictest11494-21lspci09:54:172
65069985,2cyclictest660-21avahi-daemon11:59:312
65069985,2cyclictest660-21avahi-daemon09:45:432
65069985,2cyclictest660-21avahi-daemon09:24:372
65029987,0cyclictest0-21swapper/108:18:411
65029980,7cyclictest0-21swapper/107:21:011
65159976,0cyclictest0-21swapper/308:50:183
65159975,1cyclictest660-21avahi-daemon10:45:443
65159974,2cyclictest660-21avahi-daemon10:00:373
65159970,6cyclictest0-21swapper/308:05:293
65159970,6cyclictest0-21swapper/307:25:493
65069975,1cyclictest699-21gdbus10:16:002
65069975,1cyclictest649-21polkitd11:40:242
65069974,2cyclictest660-21avahi-daemon09:34:572
65029977,0cyclictest17160-21kworker/1:007:35:151
65029975,1cyclictest25-21ksoftirqd/109:10:001
65029970,6cyclictest0-21swapper/108:50:311
64959976,1cyclictest9-21ksoftirqd/008:00:010
64959971,2cyclictest9-21ksoftirqd/009:09:470
64959971,2cyclictest9-21ksoftirqd/008:57:030
64959971,1cyclictest9-21ksoftirqd/007:25:000
64959971,1cyclictest19206-21latency_hist07:40:000
9208260,0sleep10-21swapper/107:15:021
65159964,1cyclictest674-21dbus-daemon08:40:003
65159963,2cyclictest1002-21snmpd08:58:023
65159960,5cyclictest0-21swapper/308:26:383
65159960,5cyclictest0-21swapper/308:04:483
65069964,1cyclictest674-21dbus-daemon07:30:002
65069964,1cyclictest1002-21snmpd09:03:352
65069963,2cyclictest1002-21snmpd08:34:202
65069963,2cyclictest1002-21snmpd08:02:522
65069963,2cyclictest1002-21snmpd07:54:372
65069963,2cyclictest1002-21snmpd07:39:302
65069960,0cyclictest0-21swapper/208:20:242
65069960,0cyclictest0-21swapper/207:30:232
65029966,0cyclictest29066-21kworker/1:008:01:051
65029966,0cyclictest241ktimersoftd/107:32:171
65029964,1cyclictest699-21gdbus08:50:001
65029964,1cyclictest25-21ksoftirqd/107:15:001
65029963,2cyclictest1002-21snmpd08:28:471
65029960,5cyclictest0-21swapper/108:57:111
64959965,1cyclictest9-21ksoftirqd/007:20:000
64959963,2cyclictest674-21dbus-daemon08:55:000
64959963,2cyclictest1002-21snmpd08:06:430
64959962,2cyclictest9-21ksoftirqd/007:30:000
64959961,3cyclictest9-21ksoftirqd/009:00:200
64959961,3cyclictest9-21ksoftirqd/008:35:000
64959961,3cyclictest9-21ksoftirqd/008:10:160
64959961,2cyclictest9-21ksoftirqd/008:40:500
64959961,2cyclictest9-21ksoftirqd/007:31:000
64959961,1cyclictest121rcu_preempt07:50:140
64959961,1cyclictest0-21swapper/007:10:000
64959960,5cyclictest0-21swapper/007:42:220
65159953,1cyclictest23923-21cut07:50:113
65159953,1cyclictest1849-21cat08:15:143
65159953,1cyclictest17894-21cat07:35:123
65159953,1cyclictest15864-21cat07:30:133
65159953,1cyclictest1002-21snmpd09:07:033
65159953,1cyclictest1002-21snmpd08:47:033
65159953,1cyclictest1002-21snmpd08:42:473
65159953,1cyclictest1002-21snmpd08:10:553
65159953,1cyclictest1002-21snmpd07:49:223
65159953,1cyclictest1002-21snmpd07:20:033
65159953,1cyclictest1002-21snmpd07:17:483
65159952,2cyclictest7612-21tr08:30:123
65159952,2cyclictest19784-21grep07:40:113
65069953,1cyclictest1852-21cat08:15:142
65069953,1cyclictest1705-21sendmail08:39:192
65069953,1cyclictest13743-21cstates08:45:122
65069953,1cyclictest1002-21snmpd08:56:472
65069953,1cyclictest1002-21snmpd08:25:232
65069953,1cyclictest1002-21snmpd08:10:072
65069953,1cyclictest1002-21snmpd07:57:012
65069953,1cyclictest1002-21snmpd07:47:492
65069953,1cyclictest1002-21snmpd07:20:062
65069953,1cyclictest1002-21snmpd07:15:092
65069953,1cyclictest1002-21snmpd07:10:392
65069950,4cyclictest0-21swapper/207:41:542
65029955,0cyclictest241ktimersoftd/108:05:241
65029954,0cyclictest21229-21kworker/1:107:50:031
65029953,1cyclictest19479-21kworker/1:009:00:041
65029953,1cyclictest1002-21snmpd08:21:141
65029953,1cyclictest1002-21snmpd08:10:191
65029950,4cyclictest19444-21/usr/sbin/munin07:40:181
65029950,1cyclictest25550-21/usr/sbin/munin07:55:201
65029950,0cyclictest0-21swapper/108:30:511
64959953,1cyclictest3479-21tr08:20:120
64959953,1cyclictest1705-21sendmail08:25:430
64959953,1cyclictest10001-21cat08:35:140
64959951,2cyclictest9-21ksoftirqd/008:15:120
64959951,2cyclictest0-21swapper/008:00:180
64959950,1cyclictest9-21ksoftirqd/008:45:000
64959950,1cyclictest0-21swapper/007:45:140
65159942,1cyclictest3543-21cpuspeed_turbos08:20:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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