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2026-06-01 - 13:06
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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 Jun 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97838521600,2sleep30-21swapper/319:44:463
119557921100,2sleep00-21swapper/022:20:010
122143121000,2sleep30-21swapper/322:39:483
9458112740,2sleep20-21swapper/219:15:032
13642932330,1sleep00-21swapper/000:19:420
13076112280,2sleep10-21swapper/123:34:541
937068992622,3cyclictest3824565-21in:imuxsock20:20:000
937070992522,2cyclictest1008540-21grep20:05:021
937070992421,2cyclictest1290-21dbus-daemon23:10:011
937070992421,2cyclictest1290-21dbus-daemon23:10:011
937068992421,2cyclictest0-21swapper/021:00:010
937068992418,1cyclictest134050irq/121-eno119:29:440
937068992317,2cyclictest134050irq/121-eno122:59:430
937070992219,2cyclictest1127907-21/usr/sbin/munin21:35:011
937070992219,2cyclictest0-21swapper/100:40:001
937070992218,2cyclictest0-21swapper/123:05:021
937070992218,2cyclictest0-21swapper/121:15:021
937068992215,6cyclictest3851704-21mta-sts-daemon22:34:560
937071992118,1cyclictest0-21swapper/221:00:002
937070992118,2cyclictest3880722-21gmain21:10:021
937070992118,2cyclictest0-21swapper/119:15:011
937070992110,6cyclictest0-21swapper/100:31:051
937070992110,6cyclictest0-21swapper/100:14:581
93706899219,8cyclictest1380416-21sed00:29:470
937068992119,1cyclictest0-21swapper/023:05:010
937068992116,3cyclictest0-21swapper/020:05:020
937068992113,4cyclictest1130941-21kthreadcore21:39:500
937068992110,6cyclictest0-21swapper/023:17:050
937071992018,1cyclictest0-21swapper/219:15:012
937071992017,1cyclictest0-21swapper/220:40:002
937071992017,1cyclictest0-21swapper/220:19:592
937070992017,2cyclictest1157759-21cron21:54:591
937070992017,2cyclictest1157759-21cron21:54:591
937070992015,3cyclictest1315617-21latency_hist23:40:001
93706899209,6cyclictest0-21swapper/023:53:270
93706899203,5cyclictest1040295-21sshd20:30:060
93706899203,5cyclictest1040295-21sshd20:30:060
937068992016,3cyclictest1222602-21kthreadcore22:39:500
937068992013,6cyclictest1167623-21/usr/sbin/munin22:04:460
937068992013,6cyclictest0-21swapper/000:15:000
937068992012,7cyclictest0-21swapper/021:15:010
2649091200,2phc2sys0-21swapper/322:55:013
2649091200,2phc2sys0-21swapper/319:54:493
93707099199,3cyclictest0-21swapper/122:55:051
93707099198,3cyclictest0-21swapper/123:26:561
937070991914,3cyclictest1326-21systemd-logind20:10:021
93706899198,6cyclictest0-21swapper/022:49:520
93706899197,8cyclictest1202886-21awk22:25:000
93706899194,3cyclictest1327905-21kthreadcore23:49:520
93706899194,3cyclictest1061487-21kthreadcore20:49:520
93706899193,5cyclictest1144653-21aten2.4-expect21:49:420
937068991916,2cyclictest1295698-21gltestperf23:29:470
937068991916,2cyclictest1021369-21systemd-run20:15:000
937068991915,3cyclictest968065-21kthreadcore19:34:500
937068991915,3cyclictest949324-21kthreadcore19:19:520
937068991915,3cyclictest1341288-21kthreadcore23:59:540
937068991915,3cyclictest1206050-21kthreadcore22:29:500
937068991915,3cyclictest1086004-21kthreadcore21:09:500
937068991915,3cyclictest1066969-21kthreadcore20:54:500
937068991915,3cyclictest0-21swapper/000:10:000
937068991913,1cyclictest383433398rtkit-daemon21:26:520
937068991912,6cyclictest1034629-21aten2.4-expect20:29:440
937068991912,6cyclictest1034629-21aten2.4-expect20:29:440
937068991910,5cyclictest1371868-21apt-get00:24:430
937071991815,1cyclictest0-21swapper/223:54:512
937071991815,1cyclictest0-21swapper/222:15:002
93707099186,3cyclictest0-21swapper/100:07:411
937070991816,1cyclictest0-21swapper/119:40:011
937070991815,2cyclictest937064-21cyclictest22:20:021
937070991815,2cyclictest1369525-21tail00:19:571
937070991814,2cyclictest0-21swapper/122:05:011
937070991813,3cyclictest937064-21cyclictest21:24:541
93706899189,5cyclictest958283-21grep19:25:000
93706899188,4cyclictest0-21swapper/020:24:460
93706899186,8cyclictest1-21systemd21:25:010
93706899186,5cyclictest3851704-21mta-sts-daemon21:59:230
93706899185,2cyclictest1274634-21kthreadcore23:14:490
937068991815,2cyclictest996264-21cut19:55:020
937068991815,2cyclictest1311301-21kthreadcore23:39:520
937068991815,2cyclictest0-21swapper/020:40:010
937068991815,2cyclictest0-21swapper/019:10:010
937068991814,3cyclictest989406-21switchtime19:49:570
937068991814,3cyclictest1319607-21kthreadcore23:44:490
937068991814,3cyclictest1243533-21kthreadcore22:54:500
937068991814,3cyclictest1153428-21kthreadcore21:54:510
937068991814,3cyclictest1153428-21kthreadcore21:54:510
937068991814,1cyclictest134050irq/121-eno122:07:400
937068991813,4cyclictest1015025-21dump-pmu-power20:10:000
937068991813,1cyclictest134050irq/121-eno121:33:260
937068991812,5cyclictest996770-21aten2.4-expect19:59:450
937068991811,3cyclictest1137057-21/usr/sbin/munin21:44:430
937068991811,2cyclictest171ktimers/023:30:170
937068991810,5cyclictest1386851-21tail00:34:430
93706899180,6cyclictest1399971-21awk00:39:560
93706899180,2cyclictest1263599-21ssh23:05:430
93706899180,2cyclictest1263599-21ssh23:05:430
93706899180,2cyclictest1181204-21ssh22:12:030
937071991714,1cyclictest0-21swapper/223:35:002
937071991714,1cyclictest0-21swapper/222:45:002
937071991714,1cyclictest0-21swapper/221:40:002
937071991714,1cyclictest0-21swapper/219:50:012
937071991713,2cyclictest0-21swapper/200:34:272
937070991715,1cyclictest1996-21runrttasks23:55:371
937070991714,2cyclictest983548-21turbostat.cron19:45:001
937070991714,2cyclictest3841370-21avahi-daemon20:40:001
937070991714,2cyclictest1288090-21grep23:24:471
937070991714,2cyclictest1-21systemd21:29:541
937070991714,2cyclictest1202956-21munin-plugin-st22:25:001
937070991714,2cyclictest1137730-21grep21:44:471
937070991714,2cyclictest1100187-21cut21:19:461
937070991714,2cyclictest0-21swapper/100:00:021
937070991711,4cyclictest1-21systemd20:30:001
937070991711,4cyclictest1-21systemd20:30:001
93706899177,6cyclictest1101786-21cut21:19:500
937068991714,2cyclictest1079754-21kthreadcore21:04:510
937068991713,3cyclictest973974-21kthreadcore19:39:500
937068991712,1cyclictest191rcu_preempt00:04:230
937068991711,2cyclictest134050irq/121-eno123:20:560
2649091170,2phc2sys0-21swapper/319:49:553
2649091170,1phc2sys0-21swapper/322:17:093
13476792170,2sleep20-21swapper/200:05:012
937071991614,1cyclictest0-21swapper/222:20:012
937071991614,1cyclictest0-21swapper/219:10:032
937071991614,1cyclictest0-21swapper/200:00:022
937071991613,1cyclictest0-21swapper/223:00:012
937071991613,1cyclictest0-21swapper/222:40:012
937071991613,1cyclictest0-21swapper/221:55:002
937071991613,1cyclictest0-21swapper/221:55:002
937071991613,1cyclictest0-21swapper/221:20:012
937071991613,1cyclictest0-21swapper/220:55:012
937071991613,1cyclictest0-21swapper/200:19:542
93707099167,7cyclictest1081458-21tr21:04:521
93707099166,2cyclictest0-21swapper/123:50:381
93707099164,3cyclictest0-21swapper/100:28:051
937070991614,1cyclictest3851704-21mta-sts-daemon22:40:171
937070991613,2cyclictest1145312-21grep21:49:461
937070991613,2cyclictest1001360-21kthreadcore19:59:541
937070991612,3cyclictest3851703-21mta-sts-daemon20:45:011
93706899167,5cyclictest0-21swapper/022:41:500
93706899166,6cyclictest3834332-21rtkit-daemon20:43:550
937068991612,3cyclictest978957-21irqcore19:44:500
937068991612,3cyclictest939056-21kthreadcore19:14:520
2649091161,7phc2sys0-21swapper/323:29:423
2649091160,2phc2sys0-21swapper/300:29:143
937071991513,1cyclictest0-21swapper/222:00:022
937071991513,1cyclictest0-21swapper/200:30:012
937071991512,1cyclictest0-21swapper/223:40:022
937071991512,1cyclictest0-21swapper/223:23:232
937071991512,1cyclictest0-21swapper/223:10:562
937071991512,1cyclictest0-21swapper/222:30:572
937071991512,1cyclictest0-21swapper/221:50:012
937071991512,1cyclictest0-21swapper/219:54:542
937071991512,1cyclictest0-21swapper/200:06:282
937071991511,2cyclictest0-21swapper/219:29:502
93707099157,3cyclictest17350irq/127-ahci[0000:00:17.0]22:55:021
93707099156,2cyclictest17350irq/127-ahci[0000:00:17.0]20:19:491
93707099156,2cyclictest134050irq/121-eno122:29:521
93707099153,4cyclictest959083-21aten2.4-expect19:29:441
937070991512,2cyclictest945087-21kthreadcore19:15:021
937070991512,2cyclictest3851705-21mta-sts-daemon21:35:581
937070991512,2cyclictest3824567-21rs:main1
937070991512,2cyclictest3824567-21rs:main1
937070991512,2cyclictest1326-21systemd-logind23:10:071
937070991512,2cyclictest1220988-21kthreadcore22:39:491
937070991512,2cyclictest1213050-21if_enp1s0.822:34:481
937070991512,2cyclictest1077423-21head20:59:561
937070991512,2cyclictest1059762-21cpuspeed_turbos20:49:461
937070991512,2cyclictest0-21swapper/122:00:001
937070991512,2cyclictest0-21swapper/119:35:011
2649091150,3phc2sys0-21swapper/320:15:003
2649091150,2phc2sys0-21swapper/323:21:063
2649091150,2phc2sys0-21swapper/321:26:333
937071991412,1cyclictest0-21swapper/221:26:392
937071991412,1cyclictest0-21swapper/221:20:022
937071991411,1cyclictest0-21swapper/223:45:072
937071991411,1cyclictest0-21swapper/223:03:582
937071991411,1cyclictest0-21swapper/222:50:032
937071991411,1cyclictest0-21swapper/222:24:502
937071991411,1cyclictest0-21swapper/222:07:382
937071991411,1cyclictest0-21swapper/221:41:592
937071991411,1cyclictest0-21swapper/221:34:492
937071991411,1cyclictest0-21swapper/221:04:552
937071991411,1cyclictest0-21swapper/220:09:532
937071991411,1cyclictest0-21swapper/220:00:052
937071991411,1cyclictest0-21swapper/219:41:152
937071991411,1cyclictest0-21swapper/200:39:552
937071991410,2cyclictest0-21swapper/223:09:362
937071991410,2cyclictest0-21swapper/223:09:362
937071991410,2cyclictest0-21swapper/220:00:002
937071991410,2cyclictest0-21swapper/200:20:522
93707199140,9cyclictest0-21swapper/220:30:012
93707199140,9cyclictest0-21swapper/220:30:012
93707099148,2cyclictest134050irq/121-eno123:46:051
93707099148,2cyclictest134050irq/121-eno123:44:441
93707099148,2cyclictest134050irq/121-eno122:45:491
93707099143,3cyclictest0-21swapper/122:06:051
937070991412,1cyclictest3851704-21mta-sts-daemon22:14:221
937070991411,2cyclictest937064-21cyclictest20:14:461
937070991411,2cyclictest3851703-21mta-sts-daemon20:20:381
937070991411,2cyclictest1068701-21kthreadcore20:54:501
937070991411,2cyclictest0-21swapper/119:10:011
937070991410,3cyclictest986652-21kthreadcore19:49:511
937070991410,3cyclictest955947-21kthreadcore19:24:511
2649091144,2phc2sys0-21swapper/321:45:163
2649091141,1phc2sys0-21swapper/323:06:093
2649091141,1phc2sys0-21swapper/323:06:083
2649091140,5phc2sys0-21swapper/300:05:413
2649091140,3phc2sys0-21swapper/323:41:153
2649091140,2phc2sys0-21swapper/323:37:053
2649091140,2phc2sys0-21swapper/322:47:013
2649091140,2phc2sys0-21swapper/321:35:103
2649091140,2phc2sys0-21swapper/321:13:513
2649091140,2phc2sys0-21swapper/321:05:003
937071991311,1cyclictest0-21swapper/223:26:372
937071991311,1cyclictest0-21swapper/222:50:112
937071991311,1cyclictest0-21swapper/221:09:472
937071991311,1cyclictest0-21swapper/200:13:472
937071991310,1cyclictest0-21swapper/223:45:012
937071991310,1cyclictest0-21swapper/223:19:412
937071991310,1cyclictest0-21swapper/222:29:312
937071991310,1cyclictest0-21swapper/220:49:002
937071991310,1cyclictest0-21swapper/220:34:552
937071991310,1cyclictest0-21swapper/220:34:552
937071991310,1cyclictest0-21swapper/220:25:012
937071991310,1cyclictest0-21swapper/220:15:012
937071991310,1cyclictest0-21swapper/219:24:202
93707099139,3cyclictest3851703-21mta-sts-daemon23:19:271
93707099138,4cyclictest1348022-21kworker/u16:1-events_unbound00:21:051
937070991310,2cyclictest991144-21gltestperf19:54:461
2649091130,4phc2sys0-21swapper/300:14:553
2649091130,3phc2sys0-21swapper/322:24:433
2649091130,3phc2sys0-21swapper/321:57:233
2649091130,2phc2sys0-21swapper/323:31:523
93707199129,1cyclictest0-21swapper/219:37:092
93707199129,1cyclictest0-21swapper/219:32:012
937071991210,1cyclictest0-21swapper/222:00:352
937071991210,1cyclictest0-21swapper/221:14:462
2649091121,2phc2sys0-21swapper/322:14:003
2649091121,2phc2sys0-21swapper/320:16:093
2649091120,3phc2sys0-21swapper/320:49:433
2649091120,2phc2sys0-21swapper/323:51:543
2649091120,2phc2sys0-21swapper/320:40:493
2649091120,1phc2sys0-21swapper/321:23:143
93707199118,1cyclictest0-21swapper/220:41:392
2649091113,2phc2sys0-21swapper/320:59:503
2649091110,3phc2sys0-21swapper/323:14:503
2649091110,2phc2sys0-21swapper/323:19:423
2649091110,2phc2sys0-21swapper/322:04:513
2649091110,2phc2sys0-21swapper/321:16:093
2649091110,2phc2sys0-21swapper/321:09:573
2649091110,2phc2sys0-21swapper/319:38:493
2649091110,2phc2sys0-21swapper/300:04:523
2649091101,2phc2sys0-21swapper/322:58:503
2649091101,2phc2sys0-21swapper/322:41:023
2649091101,2phc2sys0-21swapper/319:19:473
2649091100,4phc2sys0-21swapper/319:29:443
2649091100,3phc2sys0-21swapper/319:34:493
2649091100,3phc2sys0-21swapper/319:24:513
2649091100,2phc2sys0-21swapper/323:56:223
2649091100,2phc2sys0-21swapper/323:49:133
2649091100,2phc2sys0-21swapper/323:03:553
2649091100,2phc2sys0-21swapper/322:32:003
2649091100,2phc2sys0-21swapper/322:05:313
2649091100,2phc2sys0-21swapper/321:51:043
2649091100,2phc2sys0-21swapper/321:51:043
2649091100,2phc2sys0-21swapper/320:35:013
2649091100,2phc2sys0-21swapper/320:35:003
2649091100,2phc2sys0-21swapper/320:21:053
2649091100,2phc2sys0-21swapper/300:38:033
2649091100,2phc2sys0-21swapper/300:34:223
2649091100,2phc2sys0-21swapper/300:21:033
2649091100,1phc2sys0-21swapper/320:53:203
2649091100,1phc2sys0-21swapper/320:06:593
11365582106,2sleep30-21swapper/321:43:063
11218772100,2sleep30-21swapper/321:34:203
264909190,2phc2sys0-21swapper/322:25:433
264909190,2phc2sys0-21swapper/319:56:333
264909190,2phc2sys0-21swapper/319:11:213
264909190,2phc2sys0-21swapper/319:09:443
264909190,2phc2sys0-21swapper/300:16:143
264909190,1phc2sys0-21swapper/320:35:203
264909190,1phc2sys0-21swapper/320:25:273
264909190,1phc2sys0-21swapper/320:25:263
264909180,2phc2sys0-21swapper/320:00:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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