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2026-03-30 - 00:22
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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 Sun Mar 29, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232072840,0sleep123177-21sshd11:56:121
243892760,2sleep03162799cyclictest10:58:420
204132730,0sleep00-21swapper/010:36:200
181572720,0sleep30-21swapper/312:20:253
135272640,0sleep213437-21sshd11:14:152
214452550,5sleep321446-21grep12:12:323
54912540,0sleep30-21swapper/309:40:243
106062540,0sleep10-21swapper/109:51:471
232732530,1sleep123268-21lspci09:36:281
125072530,0sleep10-21swapper/111:41:331
125072530,0sleep10-21swapper/111:41:331
289502520,0sleep11-21systemd12:35:091
275162520,0sleep20-21swapper/211:23:412
113222520,0sleep211324-21bash12:14:272
217382510,0sleep30-21swapper/311:20:213
58502500,0sleep10-21swapper/111:24:351
57012500,1sleep25686-21sshd10:48:522
53362500,0sleep10-21swapper/111:16:141
36522490,0sleep03653-21sshd09:53:580
278242490,0sleep10-21swapper/109:22:591
249942490,0sleep20-21swapper/211:59:092
191822490,0sleep10-21swapper/110:58:161
91482480,0sleep20-21swapper/209:40:432
64582470,0sleep20-21swapper/212:19:312
286812470,0sleep00-21swapper/011:20:570
92932410,1sleep39276-21bash10:40:523
3118523934,3sleep30-21swapper/307:05:473
3138822716,7sleep10-21swapper/107:08:221
3147022514,7sleep00-21swapper/007:09:210
156792230,0sleep30-21swapper/311:00:383
3116022210,7sleep20-21swapper/207:05:302
14102220,1sleep31407-21bash11:35:113
269842200,0sleep126979-21lspci10:31:251
168552180,1sleep0101ktimersoftd/012:17:370
151412170,0sleep00-21swapper/012:03:480
130562170,0sleep0111rcuc/011:27:550
94682160,0sleep1231rcuc/110:54:431
40412160,0sleep2311rcuc/210:32:142
305232160,1sleep1642-21systemd-logind09:42:341
3162799156,1cyclictest9-21ksoftirqd/010:11:000
3162799155,1cyclictest9-21ksoftirqd/010:15:130
225482150,0sleep3401ktimersoftd/310:20:083
193462150,0sleep20-21swapper/212:20:322
3162799147,1cyclictest9-21ksoftirqd/012:14:230
3162799146,2cyclictest9-21ksoftirqd/010:42:050
3162799145,2cyclictest9-21ksoftirqd/010:20:110
186302140,0sleep1241ktimersoftd/111:28:241
151482140,0sleep30-21swapper/311:50:043
14622140,0sleep10-21swapper/111:48:551
3164499130,12cyclictest0-21swapper/309:57:383
3163799135,2cyclictest33-21ksoftirqd/210:56:152
3163799134,2cyclictest33-21ksoftirqd/210:06:052
3163799133,3cyclictest33-21ksoftirqd/212:36:332
3163799130,1cyclictest28577-21bash11:42:572
3163799130,1cyclictest28577-21bash11:42:572
3163799130,12cyclictest698-21gdbus11:29:082
3163799130,12cyclictest0-21swapper/209:59:372
3163299130,12cyclictest12767-21sshd10:22:011
3163299130,12cyclictest10897-21lspci10:41:001
3162799135,2cyclictest9-21ksoftirqd/009:24:240
3162799135,1cyclictest9-21ksoftirqd/012:23:000
3162799135,1cyclictest9-21ksoftirqd/010:25:130
3162799134,1cyclictest9-21ksoftirqd/012:06:140
3162799134,1cyclictest9-21ksoftirqd/010:51:260
3162799134,1cyclictest9-21ksoftirqd/009:14:570
3162799133,1cyclictest9-21ksoftirqd/011:46:190
3162799133,1cyclictest9-21ksoftirqd/010:00:290
3162799132,1cyclictest9-21ksoftirqd/009:42:060
31627991311,1cyclictest9-21ksoftirqd/012:37:120
3162799130,12cyclictest0-21swapper/012:29:080
152882130,0sleep00-21swapper/009:33:080
134262130,0sleep10-21swapper/109:29:041
125582130,0sleep012553-21bash11:08:400
52352120,0sleep30-21swapper/312:33:073
31644991210,1cyclictest8104-21bash11:27:283
3164499120,1cyclictest14779-21lspci10:33:093
3164499120,11cyclictest9060-21sshd09:51:393
3164499120,11cyclictest6955-21sshd10:05:093
3164499120,11cyclictest29977-21packagekitd12:39:093
3164499120,11cyclictest12332-21sshd10:00:093
3163799128,1cyclictest33-21ksoftirqd/212:34:132
3163799124,1cyclictest33-21ksoftirqd/210:12:342
3163799124,1cyclictest33-21ksoftirqd/210:01:342
3163799123,3cyclictest33-21ksoftirqd/210:53:102
3163799123,2cyclictest33-21ksoftirqd/209:37:002
3163799123,1cyclictest33-21ksoftirqd/210:15:152
3163799121,2cyclictest649-21polkitd11:55:002
31637991212,0cyclictest321ktimersoftd/211:37:542
31637991212,0cyclictest321ktimersoftd/208:52:152
3163799120,3cyclictest642-21systemd-logind11:05:352
3163799120,1cyclictest1131-21sshd10:23:482
3163799120,1cyclictest0-21swapper/210:43:582
3163299120,1cyclictest802-21sshd11:37:511
3163299120,1cyclictest663-21ModemManager11:54:101
3163299120,1cyclictest0-21swapper/111:10:001
3163299120,11cyclictest20901-21bash10:39:101
3162799125,1cyclictest9-21ksoftirqd/012:33:460
3162799124,2cyclictest9-21ksoftirqd/011:35:000
3162799124,2cyclictest9-21ksoftirqd/010:30:240
3162799124,1cyclictest9-21ksoftirqd/011:50:200
3162799123,2cyclictest9-21ksoftirqd/010:48:310
3162799123,1cyclictest9-21ksoftirqd/011:56:040
3162799123,1cyclictest9-21ksoftirqd/011:39:560
3162799123,1cyclictest9-21ksoftirqd/011:11:180
3162799123,1cyclictest9-21ksoftirqd/009:37:580
3162799122,2cyclictest9-21ksoftirqd/009:25:530
3162799122,1cyclictest9-21ksoftirqd/009:18:410
3162799121,2cyclictest9-21ksoftirqd/011:00:360
3162799121,1cyclictest9-21ksoftirqd/011:15:030
8062110,6sleep1915-21sshd10:26:281
52852110,0sleep30-21swapper/311:10:443
31644991110,0cyclictest0-21swapper/311:18:183
31644991110,0cyclictest0-21swapper/310:36:483
3164499110,10cyclictest17521-21lspci09:33:183
3164499110,10cyclictest0-21swapper/310:15:493
3164499110,10cyclictest0-21swapper/309:26:393
3164499110,0cyclictest0-21swapper/309:17:393
3163799119,1cyclictest674-21dbus-daemon12:00:572
3163799116,1cyclictest33-21ksoftirqd/211:32:302
3163799114,1cyclictest33-21ksoftirqd/209:25:172
3163799113,2cyclictest33-21ksoftirqd/210:25:402
3163799113,1cyclictest17328-21cp11:03:352
3163799112,2cyclictest33-21ksoftirqd/210:35:152
3163799112,2cyclictest33-21ksoftirqd/209:34:232
3163799111,2cyclictest33-21ksoftirqd/209:46:182
3163799111,1cyclictest33-21ksoftirqd/209:51:402
31637991110,0cyclictest0-21swapper/212:29:172
3163799110,10cyclictest0-21swapper/209:15:082
3163299110,0cyclictest0-21swapper/109:10:401
3162799113,1cyclictest9-21ksoftirqd/010:05:160
3162799113,1cyclictest9-21ksoftirqd/009:45:170
3162799111,1cyclictest9-21ksoftirqd/009:55:250
31627991110,0cyclictest0-21swapper/011:40:180
31627991110,0cyclictest0-21swapper/011:40:170
3164499109,0cyclictest0-21swapper/310:49:583
3164499108,1cyclictest31597-21lspci09:39:593
3164499108,1cyclictest28469-21lspci11:56:393
3164499100,0cyclictest0-21swapper/312:27:583
3164499100,0cyclictest0-21swapper/310:27:083
3163799109,0cyclictest0-21swapper/208:15:082
3163799109,0cyclictest0-21swapper/208:15:072
3163799106,1cyclictest33-21ksoftirqd/211:45:242
3163799105,3cyclictest33-21ksoftirqd/212:05:492
3163799102,1cyclictest33-21ksoftirqd/209:20:412
3163799101,2cyclictest131rcu_sched11:15:102
31637991010,0cyclictest321ktimersoftd/208:22:502
3163799100,0cyclictest0-21swapper/207:55:172
3163799100,0cyclictest0-21swapper/207:19:372
3163299109,0cyclictest0-21swapper/112:07:401
3163299109,0cyclictest0-21swapper/111:04:311
3163299109,0cyclictest0-21swapper/108:25:211
3163299100,0cyclictest0-21swapper/111:33:501
3163299100,0cyclictest0-21swapper/110:13:301
316449998,0cyclictest0-21swapper/311:44:593
316449998,0cyclictest0-21swapper/311:44:583
316449997,1cyclictest3182-21sshd10:12:583
316449996,2cyclictest660-21avahi-daemon10:50:533
316379999,0cyclictest321ktimersoftd/208:28:102
316379999,0cyclictest321ktimersoftd/207:13:342
316379998,0cyclictest0-21swapper/208:49:082
316379990,1cyclictest33-21ksoftirqd/209:10:012
316379990,0cyclictest0-21swapper/208:14:082
316329998,0cyclictest0-21swapper/112:30:001
316329998,0cyclictest0-21swapper/112:17:001
316329998,0cyclictest0-21swapper/109:57:511
316329998,0cyclictest0-21swapper/109:33:311
316329997,1cyclictest642-21systemd-logind09:17:511
316329997,1cyclictest5378-21tty09:45:501
316449987,0cyclictest0-21swapper/307:56:483
316449986,1cyclictest660-21avahi-daemon09:45:093
316449986,1cyclictest17343-21lspci11:06:183
316449985,2cyclictest660-21avahi-daemon12:16:223
316449985,2cyclictest660-21avahi-daemon12:01:103
316449985,2cyclictest660-21avahi-daemon11:32:303
316449985,2cyclictest660-21avahi-daemon09:24:393
316449985,1cyclictest660-21avahi-daemon11:47:183
316379988,0cyclictest321ktimersoftd/209:06:492
316379987,0cyclictest0-21swapper/209:04:382
316379980,1cyclictest131rcu_sched08:09:552
316329987,0cyclictest0-21swapper/112:26:411
316329987,0cyclictest0-21swapper/107:23:301
316329986,1cyclictest660-21avahi-daemon10:45:241
316329986,1cyclictest23231-21lspci10:06:281
316329986,1cyclictest15816-21bash10:00:201
316329985,2cyclictest660-21avahi-daemon12:21:321
316329985,2cyclictest660-21avahi-daemon12:10:071
316329983,2cyclictest21262-21sshd12:04:211
316279987,0cyclictest0-21swapper/009:09:580
316279982,2cyclictest9-21ksoftirqd/007:20:000
15821280,1sleep125-21ksoftirqd/110:19:341
316449975,1cyclictest660-21avahi-daemon10:55:113
316449975,1cyclictest660-21avahi-daemon09:10:443
316449974,2cyclictest660-21avahi-daemon12:05:203
316379977,0cyclictest321ktimersoftd/208:31:512
316379977,0cyclictest321ktimersoftd/208:01:042
316379975,1cyclictest33-21ksoftirqd/208:59:592
316379972,3cyclictest33-21ksoftirqd/207:35:002
316379970,6cyclictest0-21swapper/207:27:482
316329973,3cyclictest699-21gdbus11:10:281
316279972,1cyclictest7943-21turbostat07:30:000
316449964,1cyclictest649-21polkitd08:10:013
316449963,2cyclictest1002-21snmpd09:08:373
316449963,2cyclictest1002-21snmpd08:49:073
316449963,2cyclictest1002-21snmpd08:35:163
316449963,2cyclictest1002-21snmpd07:50:433
316449963,2cyclictest1002-21snmpd07:12:493
316379965,0cyclictest0-21swapper/207:45:082
316379960,5cyclictest0-21swapper/207:20:582
316329965,0cyclictest0-21swapper/107:50:111
316329963,2cyclictest1002-21snmpd09:07:491
316329963,2cyclictest1002-21snmpd07:27:191
316279965,0cyclictest0-21swapper/007:43:180
316279964,1cyclictest9-21ksoftirqd/008:00:000
316279964,1cyclictest9-21ksoftirqd/007:55:010
316279964,1cyclictest674-21dbus-daemon07:15:000
316279964,1cyclictest11551-21kworker/0:009:00:070
316279963,2cyclictest10491-21awk08:55:100
316279963,2cyclictest1002-21snmpd08:50:370
316279962,1cyclictest9-21ksoftirqd/007:30:000
316279960,5cyclictest0-21swapper/008:27:380
316279960,1cyclictest131rcu_sched08:35:000
316279960,1cyclictest121rcu_preempt08:10:010
316279960,1cyclictest121rcu_preempt07:50:000
316449953,1cyclictest29979-21gdbus08:00:013
316449953,1cyclictest29023-21cat08:20:143
316449953,1cyclictest22915-21cat08:05:153
316449953,1cyclictest14429-21cstates07:45:143
316449953,1cyclictest10897-21cat08:55:133
316449953,1cyclictest10654-21cat07:35:163
316449953,1cyclictest1002-21snmpd08:50:273
316449953,1cyclictest1002-21snmpd08:42:483
316449953,1cyclictest1002-21snmpd08:31:033
316449953,1cyclictest1002-21snmpd08:15:113
316449953,1cyclictest1002-21snmpd08:15:113
316449953,1cyclictest1002-21snmpd07:25:393
316449953,1cyclictest1002-21snmpd07:22:553
316449953,1cyclictest1002-21snmpd07:15:453
316449952,2cyclictest12972-21cat09:00:133
316449952,2cyclictest1002-21snmpd07:40:463
316449952,1cyclictest8248-21tr07:30:113
316379953,1cyclictest10692-21cat07:35:162
316379953,1cyclictest1002-21snmpd08:41:272
316379953,1cyclictest1002-21snmpd08:35:462
316379952,2cyclictest1002-21snmpd07:41:522
31635250,0sleep30-21swapper/308:25:183
316329953,1cyclictest8655-21cat07:30:141
316329953,1cyclictest4232sleep107:10:191
316329953,1cyclictest2789-21cat08:35:161
316329953,1cyclictest26946-21cat08:15:131
316329953,1cyclictest26946-21cat08:15:121
316329953,1cyclictest20127-21kworker/1:008:00:141
316329953,1cyclictest18836-21cat07:55:131
316329953,1cyclictest12956-21mii-tool09:00:131
316329953,1cyclictest10935-21cat08:55:131
316329953,1cyclictest1002-21snmpd08:53:311
316329953,1cyclictest1002-21snmpd08:47:311
316329953,1cyclictest1002-21snmpd08:41:061
316329953,1cyclictest1002-21snmpd08:20:511
316329953,1cyclictest1002-21snmpd08:07:231
316329950,4cyclictest0-21swapper/107:45:171
316329950,0cyclictest0-21swapper/107:42:401
316279954,0cyclictest4082-21kworker/0:308:40:580
316279953,1cyclictest9-21ksoftirqd/008:49:590
316279953,1cyclictest660-21avahi-daemon07:36:390
316279953,1cyclictest4546-21cat07:20:120
316279953,1cyclictest24461-21/usr/sbin/munin08:10:190
316279953,1cyclictest1002-21snmpd08:17:210
316279953,1cyclictest1002-21snmpd08:17:200
316279953,1cyclictest1002-21snmpd08:01:560
316279951,1cyclictest121rcu_preempt08:40:010
316379942,1cyclictest0-21swapper/207:50:102
316329942,1cyclictest674-21dbus-daemon07:35:011
316329942,1cyclictest413-21expr08:30:121
316329942,1cyclictest24950-21cat08:10:131
316329942,1cyclictest1517-21kworker/u8:007:15:001
316279942,1cyclictest28639-21expr08:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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