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2026-04-06 - 20:22
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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 highest latencies:
System rackeslot2.osadl.org (updated Mon Apr 06, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380807722040,2sleep30-21swapper/307:16:103
41818442980,2sleep30-21swapper/311:46:043
40366912980,2sleep30-21swapper/310:06:163
40818952670,1sleep14081894-21ssh10:36:241
549362320,2sleep20-21swapper/212:30:002
40312662300,2sleep20-21swapper/210:06:032
41542072290,5sleep1351ktimers/111:26:101
3794338992616,6cyclictest4103561-21kthreadcore10:51:110
3794340992522,1cyclictest0-21swapper/209:55:002
41893082240,1sleep04189310-21basename11:51:020
3794339992320,2cyclictest4165735-21systemd11:35:001
38139682220,2sleep10-21swapper/107:21:091
3794339992214,3cyclictest0-21swapper/111:55:021
3794339992118,2cyclictest3841091-21gdbus07:45:011
3794339992115,2cyclictest134050irq/121-eno109:30:001
3794339992111,4cyclictest0-21swapper/110:46:051
3794338992118,2cyclictest4150686-21grep11:25:000
3794338992118,1cyclictest0-21swapper/009:20:000
3794338992115,5cyclictest4158800-21/usr/sbin/munin11:31:060
383433398200,8rtkit-daemon3851702-21mta-sts-daemon10:43:280
383433398200,2rtkit-daemon3834332-21rtkit-daemon08:36:120
3794340992017,1cyclictest0-21swapper/207:15:002
3794339992017,2cyclictest47617-21systemd-run12:25:021
3794338992018,1cyclictest4188598-21awk11:50:010
3794338992017,2cyclictest3955285-21cron09:15:000
3794338992012,4cyclictest3794336-21cyclictest11:11:550
3794338992011,5cyclictest57029-21kthreadcore12:31:080
3794338992011,5cyclictest4110908-21kthreadcore10:56:110
3794340991916,1cyclictest0-21swapper/211:10:022
3794340991916,1cyclictest0-21swapper/209:21:082
3794340991916,1cyclictest0-21swapper/208:00:012
3794340991916,1cyclictest0-21swapper/207:25:012
3794339991916,2cyclictest3859917-21apt-key08:00:011
379433899199,6cyclictest0-21swapper/011:45:010
379433899198,6cyclictest0-21swapper/011:36:020
3794338991916,2cyclictest4053121-21systemctl10:20:000
3794338991916,2cyclictest3947777-21dump-pmu-power09:10:000
379433899190,3cyclictest4015132-21ssh09:53:340
3794340991816,1cyclictest0-21swapper/208:50:012
3794340991815,1cyclictest0-21swapper/210:51:062
3794340991815,1cyclictest0-21swapper/209:11:142
379433999189,4cyclictest0-21swapper/109:16:101
3794339991815,2cyclictest24890-21latency_hist12:10:011
3794339991815,2cyclictest0-21swapper/112:35:021
3794339991814,3cyclictest28457-21kthreadcore12:11:101
3794339991814,3cyclictest1-21systemd07:10:011
3794339991814,3cyclictest0-21swapper/107:15:031
3794339991814,2cyclictest4120839-21sh11:05:021
379433999181,10cyclictest0-21swapper/109:21:141
3794338991815,2cyclictest4000727-21latency_hist09:45:010
3794338991815,2cyclictest3827634-1atopacctd08:35:010
3794338991811,6cyclictest4113741-21/usr/sbin/munin11:01:100
2649091180,2phc2sys0-21swapper/312:13:443
2649091180,2phc2sys0-21swapper/311:56:033
3794340991715,1cyclictest0-21swapper/212:06:102
3794340991715,1cyclictest0-21swapper/207:45:012
3794340991714,1cyclictest0-21swapper/212:25:012
3794340991714,1cyclictest0-21swapper/211:16:082
3794340991714,1cyclictest0-21swapper/210:57:492
3794340991714,1cyclictest0-21swapper/209:06:162
3794340991714,1cyclictest0-21swapper/208:41:092
3794339991715,1cyclictest0-21swapper/108:06:141
3794339991714,2cyclictest4133184-21kthreadcore11:11:111
3794339991714,2cyclictest15471-21mailstats12:01:141
3794339991714,2cyclictest1-21systemd09:10:021
3794339991714,2cyclictest0-21swapper/110:55:011
3794339991713,3cyclictest4021454-21ptp4l09:56:141
3794339991711,5cyclictest0-21swapper/111:25:001
379433899179,4cyclictest3860530-21tail08:01:020
3794338991714,2cyclictest4152276-21sort11:26:080
3794338991714,2cyclictest3800580-21apt-key07:15:000
2649091179,2phc2sys0-21swapper/309:46:053
2649091170,2phc2sys0-21swapper/312:39:523
2649091170,2phc2sys0-21swapper/312:03:383
2649091170,2phc2sys0-21swapper/311:22:523
2649091170,2phc2sys0-21swapper/307:36:103
2649091170,1phc2sys0-21swapper/309:51:423
379434099162,6cyclictest0-21swapper/210:50:012
3794340991614,1cyclictest0-21swapper/211:40:012
3794340991613,1cyclictest0-21swapper/212:36:072
3794340991613,1cyclictest0-21swapper/212:13:592
3794340991613,1cyclictest0-21swapper/211:25:012
3794340991613,1cyclictest0-21swapper/210:25:122
3794340991613,1cyclictest0-21swapper/210:01:152
3794340991613,1cyclictest0-21swapper/209:46:092
3794340991612,2cyclictest0-21swapper/209:27:362
3794340991612,2cyclictest0-21swapper/209:16:102
379433999161,9cyclictest1-21systemd10:20:011
3794339991613,2cyclictest48929-21if_enp1s0.812:26:071
3794339991613,2cyclictest4084026-21tr10:41:041
3794339991613,2cyclictest4075678-21cut10:35:011
3794339991613,2cyclictest4034193-21sed10:06:101
3794339991613,2cyclictest3834747-21systemd-run07:40:021
3794339991613,2cyclictest3826754-21kthreadcore07:31:101
3794339991613,2cyclictest3824500-21cron08:55:001
3794339991613,2cyclictest0-21swapper/108:30:001
3794339991612,3cyclictest3921562-21kthreadcore08:46:111
3794339991612,3cyclictest3817359-21kthreadcore07:26:091
3794339991611,2cyclictest3851703-21mta-sts-daemon09:46:201
379433899169,6cyclictest0-21swapper/009:26:120
379433899169,0cyclictest4023762-21ssh10:01:020
379433899168,5cyclictest3834332-21rtkit-daemon10:08:240
379433899168,4cyclictest0-21swapper/011:06:130
379433899167,5cyclictest0-21swapper/010:50:010
379433899166,6cyclictest0-21swapper/009:45:440
3794338991614,1cyclictest0-21swapper/008:00:010
3794338991613,2cyclictest51004-21kthreadcore12:26:100
3794338991613,2cyclictest3892150-21cpuspeed_turbos08:26:040
3794338991613,2cyclictest3878883-21latency_hist08:15:000
3794338991613,2cyclictest38314-21mailstats12:16:150
3794338991613,2cyclictest1290-21dbus-daemon12:00:010
3794338991613,2cyclictest1-21systemd07:30:010
2649091160,3phc2sys0-21swapper/311:25:333
2649091160,2phc2sys0-21swapper/309:20:433
383433398150,5rtkit-daemon3851705-21mta-sts-daemon10:31:120
379434099152,7cyclictest0-21swapper/212:31:012
3794340991513,1cyclictest0-21swapper/211:11:072
3794340991512,2cyclictest0-21swapper/211:46:062
3794340991512,1cyclictest0-21swapper/212:19:272
3794340991512,1cyclictest0-21swapper/212:01:092
3794340991512,1cyclictest0-21swapper/210:41:102
3794340991512,1cyclictest0-21swapper/210:21:052
3794340991512,1cyclictest0-21swapper/210:11:182
3794340991512,1cyclictest0-21swapper/209:41:112
3794340991512,1cyclictest0-21swapper/209:33:032
3794340991512,1cyclictest0-21swapper/208:55:012
3794340991512,1cyclictest0-21swapper/208:36:092
3794340991512,1cyclictest0-21swapper/208:25:002
3794340991512,1cyclictest0-21swapper/208:08:042
3794340991512,1cyclictest0-21swapper/208:05:002
3794340991512,1cyclictest0-21swapper/207:51:082
3794340991512,1cyclictest0-21swapper/207:46:082
3794340991512,1cyclictest0-21swapper/207:35:012
3794340991512,1cyclictest0-21swapper/207:20:002
3794340991511,2cyclictest0-21swapper/211:01:022
379433999157,3cyclictest0-21swapper/111:10:011
379433999156,3cyclictest3851705-21mta-sts-daemon10:01:071
3794339991512,2cyclictest4182702-21kthreadcore11:46:091
3794339991512,2cyclictest4174516-21fschecks_time11:41:041
3794339991512,2cyclictest3903914-21runrttasks08:34:491
3794339991512,2cyclictest3882154-21kthreadcore08:16:101
3794339991512,2cyclictest3851705-21mta-sts-daemon08:11:081
3794339991512,2cyclictest3851702-21mta-sts-daemon12:36:021
3794339991512,2cyclictest3794336-21cyclictest09:05:001
3794339991512,2cyclictest1296-21polkitd07:50:011
3794339991512,2cyclictest0-21swapper/111:00:011
3794339991512,2cyclictest0-21swapper/108:05:001
3794339991511,3cyclictest4170787-21kthreadcore11:36:091
3794339991511,3cyclictest3852008-21kthreadcore07:51:101
379433899157,7cyclictest3912142-21tr08:41:090
379433899157,7cyclictest0-21swapper/009:31:010
379433899151,9cyclictest64782-21cut12:36:090
379433899151,3cyclictest3810159-21cpuspeed_turbos07:21:030
3794338991512,2cyclictest4081084-21latency10:36:110
3794338991512,2cyclictest4058884-21wc10:21:120
3794338991512,2cyclictest4019193-21kthreadcore09:56:110
3794338991512,2cyclictest3851702-21mta-sts-daemon08:16:100
3794338991512,2cyclictest3809621-21systemd-run07:20:010
3794338991512,2cyclictest3800836-21kworker/u16:0-events_power_efficient08:10:010
3794338991512,2cyclictest1296-21polkitd09:25:010
3794338991512,2cyclictest0-21swapper/007:35:010
3794338991511,3cyclictest8537-21kworker/u16:2+nfsiod12:10:410
2649091152,1phc2sys0-21swapper/310:03:293
2649091150,4phc2sys0-21swapper/310:46:243
2649091150,2phc2sys0-21swapper/310:16:233
3794340991412,1cyclictest0-21swapper/211:51:132
3794340991411,1cyclictest0-21swapper/211:57:552
3794340991411,1cyclictest0-21swapper/211:41:142
3794340991411,1cyclictest0-21swapper/210:35:012
3794340991411,1cyclictest0-21swapper/210:16:232
3794340991411,1cyclictest0-21swapper/209:56:092
3794340991411,1cyclictest0-21swapper/208:11:112
3794340991410,2cyclictest3988491-21taskset09:36:082
3794340991410,2cyclictest0-21swapper/208:31:022
379433999149,4cyclictest3851704-21mta-sts-daemon11:59:001
3794339991411,2cyclictest4056657-21kthreadcore10:21:091
3794339991411,2cyclictest4014356-21unixbench_singl09:51:161
3794339991411,2cyclictest3996345-21kthreadcore09:41:071
3794339991411,2cyclictest3981654-21kthreadcore09:31:091
3794339991411,2cyclictest3913296-21kthreadcore08:41:091
3794339991411,2cyclictest3851703-21mta-sts-daemon10:13:531
3794339991411,2cyclictest3851702-21mta-sts-daemon11:15:501
3794339991411,2cyclictest3794336-21cyclictest09:11:011
3794339991410,3cyclictest3808773-21switchtime07:16:151
379433899146,4cyclictest3916962-21tail08:46:030
379433899145,5cyclictest0-21swapper/012:20:160
3794338991411,2cyclictest3936943-21kthreadcore09:01:070
3794338991411,2cyclictest3926320-21kthreadcore08:51:090
3794338991411,2cyclictest3851702-21mta-sts-daemon10:10:150
3794338991411,2cyclictest3834328-21sendmail-mta08:24:520
3794338991411,2cyclictest3829761-21irqrtprio07:36:080
3794338991411,2cyclictest22402-21kthreadcore12:06:110
3794338991411,2cyclictest1326-21systemd-logind07:10:010
3794338991411,2cyclictest10885-21fschecks_time12:01:050
2649091140,2phc2sys0-21swapper/310:27:083
2649091140,2phc2sys0-21swapper/309:31:063
2649091140,2phc2sys0-21swapper/307:21:093
379434099131,9cyclictest0-21swapper/208:56:032
3794340991311,1cyclictest0-21swapper/210:35:172
3794340991310,2cyclictest0-21swapper/208:26:022
3794340991310,1cyclictest0-21swapper/211:31:052
3794340991310,1cyclictest0-21swapper/207:35:452
3794340991310,1cyclictest0-21swapper/207:26:012
379433999139,3cyclictest3888412-21kthreadcore08:21:091
379433999138,1cyclictest383433398rtkit-daemon08:35:211
3794339991310,2cyclictest3990126-21kthreadcore09:36:101
3794339991310,2cyclictest3851704-21mta-sts-daemon08:56:021
3794339991310,2cyclictest0-21swapper/112:16:041
3794339991310,2cyclictest0-21swapper/110:26:141
379433899137,4cyclictest4136841-21diskstats11:16:050
3794338991311,1cyclictest3851703-21mta-sts-daemon09:35:370
3794338991310,2cyclictest4065055-21kthreadcore10:26:100
3794338991310,2cyclictest3929421-21head08:56:040
3794338991310,2cyclictest3851702-21mta-sts-daemon07:40:220
3794338991310,2cyclictest3842101-21head07:46:060
3794338991310,2cyclictest3800700-21munin-node07:50:280
2649091131,5phc2sys0-21swapper/311:31:023
2649091131,3phc2sys0-21swapper/311:06:023
2649091130,2phc2sys0-21swapper/312:33:303
2649091130,2phc2sys0-21swapper/312:24:583
2649091130,2phc2sys0-21swapper/310:50:033
2649091130,2phc2sys0-21swapper/309:26:213
2649091130,1phc2sys0-21swapper/310:32:583
2649091130,1phc2sys0-21swapper/308:51:113
2649091130,1phc2sys0-21swapper/308:13:263
3794340991210,1cyclictest0-21swapper/211:26:052
3794340991210,1cyclictest0-21swapper/209:01:012
3794340991210,1cyclictest0-21swapper/207:10:012
2649091128,1phc2sys0-21swapper/311:01:103
2649091121,3phc2sys0-21swapper/312:25:383
2649091121,3phc2sys0-21swapper/311:41:013
2649091120,2phc2sys0-21swapper/312:06:023
2649091120,2phc2sys0-21swapper/311:16:403
2649091120,2phc2sys0-21swapper/310:58:053
2649091120,2phc2sys0-21swapper/309:10:463
2649091120,1phc2sys0-21swapper/308:31:433
41731672116,3sleep30-21swapper/311:40:003
379434099118,1cyclictest0-21swapper/208:15:472
2649091114,2phc2sys0-21swapper/308:20:013
2649091110,2phc2sys0-21swapper/311:52:073
2649091110,2phc2sys0-21swapper/308:40:523
2649091110,2phc2sys0-21swapper/307:45:523
2649091110,1phc2sys0-21swapper/312:17:523
2649091110,1phc2sys0-21swapper/309:08:303
2649091110,1phc2sys0-21swapper/307:40:083
2649091110,1phc2sys0-21swapper/307:13:353
2649091105,2phc2sys0-21swapper/308:06:063
2649091101,4phc2sys0-21swapper/307:31:013
2649091101,2phc2sys0-21swapper/311:11:073
2649091101,2phc2sys0-21swapper/310:41:563
2649091101,2phc2sys0-21swapper/310:21:083
2649091101,2phc2sys0-21swapper/310:13:183
2649091101,2phc2sys0-21swapper/309:15:033
2649091101,2phc2sys0-21swapper/307:06:103
2649091100,2phc2sys0-21swapper/310:36:033
2649091100,2phc2sys0-21swapper/309:41:443
2649091100,2phc2sys0-21swapper/309:39:443
2649091100,2phc2sys0-21swapper/307:26:023
2649091100,1phc2sys0-21swapper/308:20:133
2649091100,1phc2sys0-21swapper/307:50:343
264909190,2phc2sys0-21swapper/309:55:153
264909190,2phc2sys0-21swapper/308:56:033
264909190,2phc2sys0-21swapper/308:46:503
264909190,2phc2sys0-21swapper/308:36:083
264909190,2phc2sys0-21swapper/308:01:043
264909190,2phc2sys0-21swapper/307:56:073
264909180,2phc2sys0-21swapper/309:00:563
264909180,2phc2sys0-21swapper/308:26:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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