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2026-06-09 - 23:53
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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 rackeslot2.osadl.org (updated Tue Jun 09, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141202721440,2sleep30-21swapper/309:55:293
160270921040,2sleep01602712-21gltestperf12:10:290
14108692980,2sleep30-21swapper/309:55:013
12532072900,2sleep20-21swapper/207:55:022
15477102430,1sleep01547714-21tr11:30:250
12235332330,2sleep30-21swapper/307:30:263
13535152310,1sleep00-21swapper/009:15:310
1196053993018,7cyclictest0-21swapper/012:20:010
1196054992320,2cyclictest1425487-21systemd-run10:05:001
119605399220,4cyclictest1224040-21ps07:30:290
1196055992113,1cyclictest0-21swapper/208:50:012
1196053992118,2cyclictest1373866-21latency_hist09:30:010
119605399211,16cyclictest1438851-21awk10:10:360
1196053992110,6cyclictest0-21swapper/010:50:240
119605399210,5cyclictest1308327-21/usr/sbin/munin08:40:270
1196054992017,2cyclictest1491976-21systemd-run10:50:011
1196054992017,2cyclictest1477302-21/usr/sbin/munin10:40:011
1196054992013,3cyclictest1359351-21sh09:20:031
1196054992013,2cyclictest0-21swapper/110:40:031
119605399209,6cyclictest0-21swapper/010:25:360
1196053992017,2cyclictest660-21dbus-daemon10:40:020
1196053992016,2cyclictest0-21swapper/011:45:010
1196053992014,4cyclictest1626924-21cut12:25:330
1196053992012,7cyclictest0-21swapper/009:35:010
492398190,2rtkit-daemon1242-21mta-sts-daemon08:21:520
1196054991916,2cyclictest3937-21cron07:25:011
1196054991916,2cyclictest1247-21mta-sts-daemon12:00:311
1196054991916,2cyclictest1196052-21cyclictest07:15:021
1196054991912,3cyclictest1520217-21/usr/sbin/munin11:10:351
1196053991916,2cyclictest1259580-21sort08:00:030
1196053991916,2cyclictest1196052-21cyclictest10:55:290
1196053991915,2cyclictest0-21swapper/011:10:010
1196053991912,6cyclictest1485236-21cpu10:45:240
1196053991912,6cyclictest0-21swapper/012:00:010
1196053991911,4cyclictest1615595-21/usr/sbin/munin12:20:380
3153791180,2phc2sys0-21swapper/310:18:203
3153791180,2phc2sys0-21swapper/309:24:413
15316962180,2sleep30-21swapper/311:15:333
1196055991816,1cyclictest0-21swapper/211:43:572
1196055991816,1cyclictest0-21swapper/208:00:032
1196055991815,1cyclictest0-21swapper/211:40:012
1196054991815,2cyclictest658-21avahi-daemon12:40:021
1196054991815,2cyclictest1346196-21kthreadcore09:10:311
1196054991815,2cyclictest1196052-21cyclictest11:20:021
1196054991814,3cyclictest738-21gdbus10:30:011
1196054991814,2cyclictest0-21swapper/109:00:011
1196054991811,3cyclictest0-21swapper/112:20:331
119605399188,6cyclictest0-21swapper/012:30:270
119605399187,5cyclictest0-21swapper/009:10:020
1196053991815,2cyclictest1601492-21apt-key12:10:010
1196053991812,5cyclictest1425439-21latency_hist10:05:010
3153791170,2phc2sys0-21swapper/309:34:373
1196055991715,1cyclictest0-21swapper/207:45:012
1196055991714,1cyclictest0-21swapper/212:30:352
1196055991714,1cyclictest0-21swapper/212:30:012
1196055991714,1cyclictest0-21swapper/210:10:272
1196055991714,1cyclictest0-21swapper/210:10:002
1196055991714,1cyclictest0-21swapper/209:48:402
119605499179,3cyclictest0-21swapper/111:50:241
1196054991715,1cyclictest1289716-21cron08:25:001
1196054991714,2cyclictest1586768-21grep11:55:401
1196054991714,2cyclictest1441378-21sh10:15:251
1196054991714,2cyclictest1396017-21latency_hist09:45:011
1196054991714,2cyclictest1315124-21gltestperf08:45:281
1196054991714,2cyclictest1-21systemd07:35:021
1196054991713,2cyclictest0-21swapper/107:30:011
1196053991714,2cyclictest693-21systemd-logind08:15:010
1196053991714,2cyclictest660-21dbus-daemon10:10:010
1196053991714,2cyclictest1202471-21tail07:15:020
1196053991714,2cyclictest0-21swapper/011:25:010
1196053991713,2cyclictest660-21dbus-daemon09:15:020
1196053991713,2cyclictest0-21swapper/008:40:010
1196053991710,6cyclictest0-21swapper/012:35:380
119605399170,2cyclictest1525785-21ssh11:11:120
492398160,3rtkit-daemon1237-21mta-sts-daemon09:50:161
3153791160,3phc2sys0-21swapper/310:34:463
1196055991614,1cyclictest0-21swapper/212:20:022
1196055991614,1cyclictest0-21swapper/208:25:262
1196055991613,1cyclictest0-21swapper/208:55:362
1196055991613,1cyclictest0-21swapper/207:15:012
119605499168,3cyclictest0-21swapper/109:35:021
1196054991613,2cyclictest765-1atopacctd08:15:281
1196054991613,2cyclictest658-21avahi-daemon12:15:071
1196054991613,2cyclictest4922-21rtkit-daemon11:47:291
1196054991613,2cyclictest1601703-21apt-get12:10:011
1196054991613,2cyclictest1566030-21mailstats11:40:331
1196054991613,2cyclictest0-21swapper/110:25:011
1196054991610,2cyclictest1247-21mta-sts-daemon10:09:481
119605499160,2cyclictest1290859-21basename08:25:271
1196053991613,2cyclictest1589084-21sort12:00:300
1196053991613,2cyclictest1575578-21ps11:50:300
1196053991613,2cyclictest1445732-21grep10:15:330
1196053991613,2cyclictest1410833-21latency_hist09:55:010
1196053991613,2cyclictest0-21swapper/007:30:010
1196053991610,5cyclictest0-21swapper/009:20:240
3153791150,3phc2sys0-21swapper/311:49:133
3153791150,2phc2sys0-21swapper/311:41:103
3153791150,2phc2sys0-21swapper/310:41:393
3153791150,1phc2sys0-21swapper/312:19:023
3153791150,1phc2sys0-21swapper/311:35:503
3153791150,1phc2sys0-21swapper/310:03:213
1196055991513,1cyclictest0-21swapper/209:05:012
1196055991513,1cyclictest0-21swapper/208:00:312
1196055991512,1cyclictest0-21swapper/212:40:022
1196055991512,1cyclictest0-21swapper/211:55:002
1196055991512,1cyclictest0-21swapper/211:20:022
1196055991512,1cyclictest0-21swapper/211:00:332
1196055991512,1cyclictest0-21swapper/210:45:012
1196055991512,1cyclictest0-21swapper/209:50:302
1196054991512,2cyclictest693-21systemd-logind12:32:391
1196054991512,2cyclictest693-21systemd-logind11:35:011
1196054991512,2cyclictest1605110-21kthreadcore12:10:321
1196054991512,2cyclictest1463682-21sed10:30:271
1196054991512,2cyclictest1397535-21irqrtprio09:45:301
1196054991512,2cyclictest1382885-21irqrtprio09:35:311
1196054991512,2cyclictest1364571-21sendmail_mailst09:20:351
1196054991512,2cyclictest1296107-21sshd08:30:041
1196054991512,2cyclictest1259690-21/usr/sbin/munin08:00:311
1196054991512,2cyclictest0-21swapper/108:00:011
1196054991512,2cyclictest0-21swapper/107:45:011
1196054991511,3cyclictest1462653-21kworker/u16:3+nfsiod11:08:441
1196054991511,3cyclictest1247-21mta-sts-daemon11:00:251
1196054991511,3cyclictest1247-21mta-sts-daemon10:12:041
1196054991510,4cyclictest1246-21mta-sts-daemon09:25:401
119605399159,5cyclictest1246-21mta-sts-daemon09:48:570
119605399159,2cyclictest0-21swapper/009:41:180
119605399151,5cyclictest1251464-21cut07:50:320
1196053991512,2cyclictest765-1atopacctd08:30:010
1196053991512,2cyclictest1554240-21aten2.4-expect11:35:230
1196053991512,2cyclictest1484419-21sh10:44:300
1196053991512,2cyclictest1338600-21latency_hist09:05:020
1196053991512,2cyclictest1301059-21processes08:30:340
1196053991512,2cyclictest1237-21mta-sts-daemon07:50:030
1196053991512,2cyclictest1210624-21latency_hist07:20:010
1196053991511,3cyclictest1381290-21kworker/u16:1+nfsiod09:59:080
1196053991511,1cyclictest17750irq/132-ahci[0000:00:17.0]11:30:020
1196053991510,4cyclictest1242-21mta-sts-daemon07:20:330
3153791140,5phc2sys0-21swapper/311:26:363
3153791140,4phc2sys0-21swapper/309:36:183
3153791140,2phc2sys0-21swapper/311:32:363
3153791140,2phc2sys0-21swapper/309:25:153
3153791140,1phc2sys0-21swapper/309:19:553
1196055991412,1cyclictest0-21swapper/211:34:252
1196055991412,1cyclictest0-21swapper/211:25:312
1196055991412,1cyclictest0-21swapper/210:50:262
1196055991412,1cyclictest0-21swapper/210:30:342
1196055991412,1cyclictest0-21swapper/209:40:322
1196055991412,1cyclictest0-21swapper/208:35:022
1196055991411,1cyclictest0-21swapper/212:20:292
1196055991411,1cyclictest0-21swapper/211:23:582
1196055991411,1cyclictest0-21swapper/211:05:312
1196055991411,1cyclictest0-21swapper/210:30:012
1196055991411,1cyclictest0-21swapper/210:20:322
1196055991411,1cyclictest0-21swapper/209:56:322
1196055991411,1cyclictest0-21swapper/209:13:572
1196055991411,1cyclictest0-21swapper/209:05:302
1196055991411,1cyclictest0-21swapper/208:15:322
1196054991412,1cyclictest1063-21lldpd08:55:021
1196054991411,2cyclictest1541911-21kthreadcore11:25:301
1196054991411,2cyclictest1537741-21kthreadcore11:20:321
1196054991411,2cyclictest1414312-21kthreadcore09:55:321
1196054991411,2cyclictest1270017-21kthreadcore08:05:321
1196054991411,2cyclictest1250109-21kthreadcore07:50:311
1196054991411,2cyclictest1196052-21cyclictest07:15:311
1196054991411,2cyclictest0-21swapper/107:50:031
1196054991410,3cyclictest1504660-21pmu-power10:55:341
119605399148,5cyclictest1246-21mta-sts-daemon08:00:280
119605399146,2cyclictest0-21swapper/011:45:260
119605399144,8cyclictest660-21dbus-daemon08:55:020
1196053991411,2cyclictest1509723-21kthreadcore11:00:300
1196053991411,2cyclictest1386219-21kthreadcore09:35:330
1196053991411,2cyclictest1266112-21cpuspeed_turbos08:05:260
1196053991411,2cyclictest1229571-21fschecks_count07:35:260
1196053991411,2cyclictest0-21swapper/010:30:260
1196053991411,2cyclictest0-21swapper/007:45:010
3153791132,2phc2sys0-21swapper/311:10:303
3153791130,2phc2sys0-21swapper/312:04:523
3153791130,2phc2sys0-21swapper/309:00:513
3153791130,1phc2sys0-21swapper/311:57:123
3153791130,1phc2sys0-21swapper/308:03:423
3153791130,1phc2sys0-21swapper/307:45:353
1196055991311,1cyclictest0-21swapper/212:00:302
1196055991311,1cyclictest0-21swapper/210:55:312
1196055991311,1cyclictest0-21swapper/209:25:332
1196055991311,1cyclictest0-21swapper/208:35:362
1196055991311,1cyclictest0-21swapper/207:37:442
1196055991311,1cyclictest0-21swapper/207:25:012
1196055991310,1cyclictest0-21swapper/211:55:242
1196055991310,1cyclictest0-21swapper/210:45:242
1196055991310,1cyclictest0-21swapper/210:35:262
1196055991310,1cyclictest0-21swapper/209:20:312
1196055991310,1cyclictest0-21swapper/209:15:262
119605499139,3cyclictest1557358-21kthreadcore11:35:301
119605499139,3cyclictest1333948-21kernelversion09:00:281
119605499139,3cyclictest1272481-21fschecks_time08:10:241
119605499133,5cyclictest1234840-21cat07:40:011
1196054991310,2cyclictest1311118-21kthreadcore08:40:321
1196054991310,2cyclictest1305035-21kthreadcore08:35:311
1196054991310,2cyclictest1196052-21cyclictest12:25:331
119605399131,7cyclictest1277907-21/usr/sbin/munin08:15:250
1196053991310,2cyclictest1530143-21kthreadcore11:15:320
1196053991310,2cyclictest1448238-21acpi10:20:240
1196053991310,2cyclictest1330672-21kthreadcore08:55:320
1196053991310,2cyclictest1314745-21cstates08:45:260
3153791121,2phc2sys0-21swapper/310:55:233
3153791120,3phc2sys0-21swapper/310:26:463
3153791120,2phc2sys0-21swapper/312:20:273
3153791120,2phc2sys0-21swapper/309:09:563
3153791120,1phc2sys0-21swapper/310:39:123
3153791120,1phc2sys0-21swapper/308:23:303
119605599129,1cyclictest0-21swapper/210:15:352
1196055991210,1cyclictest0-21swapper/212:05:282
1196055991210,1cyclictest0-21swapper/211:15:012
1196055991210,1cyclictest0-21swapper/209:35:332
1196055991210,1cyclictest0-21swapper/209:30:322
1196055991210,1cyclictest0-21swapper/208:50:312
1196055991210,1cyclictest0-21swapper/208:44:472
1196055991210,1cyclictest0-21swapper/208:20:292
1196055991210,1cyclictest0-21swapper/208:10:022
1196055991210,1cyclictest0-21swapper/207:30:292
1196055991210,1cyclictest0-21swapper/207:25:342
119605499129,2cyclictest1492681-21cpuspeed_turbos10:50:261
119605499128,3cyclictest1340004-21kthreadcore09:05:301
3153791112,1phc2sys0-21swapper/309:49:253
3153791111,2phc2sys0-21swapper/311:20:243
3153791111,2phc2sys0-21swapper/307:40:023
3153791111,2phc2sys0-21swapper/307:05:243
3153791110,2phc2sys0-21swapper/310:49:383
3153791110,1phc2sys0-21swapper/312:13:213
3153791110,1phc2sys0-21swapper/311:51:293
3153791110,1phc2sys0-21swapper/309:44:403
3153791110,1phc2sys0-21swapper/308:18:533
3153791110,1phc2sys0-21swapper/308:07:553
3153791110,1phc2sys0-21swapper/307:23:553
119605599119,1cyclictest0-21swapper/212:10:302
119605599119,1cyclictest0-21swapper/211:45:272
119605599119,1cyclictest0-21swapper/210:00:322
119605599119,1cyclictest0-21swapper/208:10:202
119605599119,1cyclictest0-21swapper/207:50:012
119605599119,1cyclictest0-21swapper/207:15:252
492398100,4rtkit-daemon1190787-21diskstats07:05:261
3153791103,1phc2sys0-21swapper/307:56:133
3153791100,2phc2sys0-21swapper/310:52:063
3153791100,2phc2sys0-21swapper/310:12:283
3153791100,2phc2sys0-21swapper/308:45:013
3153791100,2phc2sys0-21swapper/308:30:233
3153791100,2phc2sys0-21swapper/308:13:383
3153791100,1phc2sys0-21swapper/309:12:503
3153791100,1phc2sys0-21swapper/307:54:163
3153791100,1phc2sys0-21swapper/307:13:053
119605599103,3cyclictest0-21swapper/207:10:012
119605399105,3cyclictest67250irq/126-eno107:10:020
315379191,3phc2sys0-21swapper/308:45:243
315379191,2phc2sys0-21swapper/312:32:013
315379191,2phc2sys0-21swapper/311:00:323
315379190,3phc2sys0-21swapper/307:30:023
315379190,2phc2sys0-21swapper/312:35:293
315379190,2phc2sys0-21swapper/311:05:133
315379190,2phc2sys0-21swapper/310:05:293
315379190,2phc2sys0-21swapper/308:35:283
315379190,2phc2sys0-21swapper/307:40:343
315379190,2phc2sys0-21swapper/307:15:303
315379190,1phc2sys0-21swapper/312:26:083
315379181,1phc2sys0-21swapper/312:05:083
315379180,2phc2sys0-21swapper/310:20:323
315379180,2phc2sys0-21swapper/308:50:263
315379180,2phc2sys0-21swapper/308:25:223
315379180,1phc2sys0-21swapper/308:55:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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