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2026-09-09 - 12:28
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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 Wed Sep 09, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141003522400,2sleep30-21swapper/321:51:213
12103812360,2sleep00-21swapper/019:39:390
117007599274,2cyclictest1470539-21sh22:24:450
1170075992315,7cyclictest24617-21JS14:54:060
2447398210,4rtkit-daemon1641247-21sh00:03:110
117007599214,12cyclictest0-21swapper/000:39:360
117007599213,2cyclictest0-21swapper/023:44:380
117007599213,2cyclictest0-21swapper/023:44:380
1170077992017,1cyclictest0-21swapper/220:38:092
1170075992017,2cyclictest778-21dbus-daemon21:20:020
1170075992012,6cyclictest1276830-21aten_repower_en20:29:210
1170075992012,4cyclictest1367528-21cpuspeed_turbos21:29:360
2213291190,2phc2sys0-21swapper/322:56:133
12428232190,1sleep20-21swapper/220:04:342
1170076991914,3cyclictest1391602-21latency_hist21:40:021
117007599199,6cyclictest1670351-21kthreadcore00:19:380
117007599199,6cyclictest1634113-21grep23:59:370
117007599198,6cyclictest0-21swapper/021:45:010
117007599197,7cyclictest0-21swapper/023:05:010
2213291180,2phc2sys0-21swapper/323:05:593
2213291180,2phc2sys0-21swapper/300:38:043
1170077991815,1cyclictest0-21swapper/222:11:152
1170077991815,1cyclictest0-21swapper/221:53:512
117007699189,3cyclictest1408281-21missed_timers21:49:431
117007699187,9cyclictest376-21systemd-journal22:40:211
117007699186,4cyclictest0-21swapper/122:04:141
117007699185,3cyclictest82050irq/121-eno122:19:161
117007699184,8cyclictest1317478-21perf20:55:001
1170076991815,2cyclictest3889-21cron00:34:551
1170076991815,2cyclictest24610-21gmain22:33:331
1170076991814,3cyclictest1424119-21kthreadcore21:59:391
1170076991813,4cyclictest24617-21JS14:54:061
117007599187,6cyclictest0-21swapper/022:34:250
1170075991810,5cyclictest1677699-21cstates00:24:330
117007599180,3cyclictest1410361-21ssh21:52:070
2213291171,6phc2sys0-21swapper/323:24:153
2213291170,2phc2sys0-21swapper/322:15:283
13106082170,3sleep30-21swapper/320:50:003
117007799171,5cyclictest0-21swapper/223:34:162
1170077991714,1cyclictest0-21swapper/200:28:012
1170077991714,1cyclictest0-21swapper/200:24:382
1170077991713,2cyclictest0-21swapper/223:18:062
1170076991714,2cyclictest24604-21gnome-shell22:07:091
1170076991713,3cyclictest1309311-21kthreadcore20:49:391
1170076991711,2cyclictest82050irq/121-eno123:39:401
1170076991710,3cyclictest1636024-21kthreadcore23:59:401
117007699170,3cyclictest1234592-21basename19:55:011
117007599178,2cyclictest0-21swapper/023:24:400
117007599178,2cyclictest0-21swapper/021:39:350
117007599177,9cyclictest0-21swapper/022:49:190
117007599177,6cyclictest0-21swapper/021:32:210
117007599177,6cyclictest0-21swapper/021:32:210
117007599177,5cyclictest0-21swapper/022:44:370
117007599176,7cyclictest1405734-21kthreadcore21:49:420
117007599176,6cyclictest0-21swapper/022:20:030
117007599175,7cyclictest0-21swapper/023:15:070
117007599175,6cyclictest1193412-1cat19:25:020
1170075991714,2cyclictest24616-21JS14:54:060
1170075991714,2cyclictest171ktimers/000:14:180
117007599171,13cyclictest1-21systemd23:50:020
2213291160,4phc2sys0-21swapper/323:58:133
2213291160,2phc2sys0-21swapper/322:39:003
2213291160,2phc2sys0-21swapper/322:20:163
2213291160,2phc2sys0-21swapper/321:57:413
2213291160,2phc2sys0-21swapper/300:26:283
16942012160,2sleep00-21swapper/000:32:460
1170077991613,1cyclictest0-21swapper/223:49:502
1170077991613,1cyclictest0-21swapper/223:24:562
1170077991613,1cyclictest0-21swapper/222:06:222
1170077991613,1cyclictest0-21swapper/221:59:352
117007699164,7cyclictest1331286-21awk21:05:001
117007699163,8cyclictest1612868-21awk23:45:011
117007699163,8cyclictest1612868-21awk23:45:011
117007699162,5cyclictest24614-21JS14:54:061
1170076991613,2cyclictest24472-21rtkit-daemon23:33:361
1170076991612,3cyclictest1626476-21kthreadcore23:54:381
1170076991612,3cyclictest1582120-21kthreadcore23:29:401
1170076991612,3cyclictest1414946-21kthreadcore21:54:411
1170076991612,3cyclictest1320311-21kthreadcore20:59:391
1170076991612,3cyclictest1288634-21kthreadcore20:34:391
1170076991612,3cyclictest1175813-21kthreadcore19:14:411
117007599169,2cyclictest1613034-21kworker/u16:0-events_unbound00:06:240
117007599167,7cyclictest24615-21JS14:54:060
117007599167,5cyclictest1530707-21kthreadcore22:59:390
117007599165,6cyclictest0-21swapper/021:15:020
117007599165,2cyclictest0-21swapper/022:08:480
117007599161,9cyclictest1431496-21kthreadcore22:04:370
1170075991613,2cyclictest932-1atopacctd23:39:380
1170075991613,2cyclictest61901-21gmain22:27:420
2213291150,2phc2sys0-21swapper/323:38:303
2213291150,2phc2sys0-21swapper/300:05:053
117007799151,7cyclictest0-21swapper/221:34:162
117007799151,7cyclictest0-21swapper/221:34:162
1170077991512,2cyclictest0-21swapper/222:20:022
1170077991512,1cyclictest0-21swapper/222:59:092
1170077991512,1cyclictest0-21swapper/221:24:392
1170077991512,1cyclictest0-21swapper/220:44:402
1170077991512,1cyclictest0-21swapper/200:02:512
117007699157,7cyclictest24615-21JS14:54:061
1170076991512,2cyclictest1651360-21fschecks_time00:09:351
1170076991512,2cyclictest1616422-21irqcore23:49:361
1170076991512,2cyclictest1524402-21kworker/u16:1-xprtiod23:16:261
1170076991512,2cyclictest1418379-21kworker/u16:2+nfsiod22:56:251
1170076991512,2cyclictest1-21systemd21:45:021
1170076991512,2cyclictest1170073-21cyclictest20:19:191
1170076991512,2cyclictest1170073-21cyclictest20:04:371
1170076991511,3cyclictest1645378-21kthreadcore00:04:391
1170076991511,3cyclictest1546988-21kthreadcore23:09:371
1170076991511,3cyclictest1514354-21latency22:49:431
1170076991511,3cyclictest1449902-21kthreadcore22:14:401
1170076991511,3cyclictest1418379-21kworker/u16:2+nfsiod23:22:111
1170076991511,3cyclictest1372977-21pmu-power21:29:451
1170076991511,3cyclictest1361675-21kthreadcore21:24:391
1170076991511,3cyclictest1298539-21irqcore20:44:381
1170076991511,3cyclictest1294419-21kthreadcore20:39:391
1170076991511,3cyclictest1271136-21irqrtprio20:24:381
1170076991511,3cyclictest1261080-21kthreadcore20:14:391
1170076991511,3cyclictest1254744-21pmu-power20:09:431
1170076991511,3cyclictest1238521-21kthreadcore19:59:391
1170076991511,3cyclictest1217060-21kthreadcore19:44:351
1170076991511,3cyclictest1200838-21aten_repower_en19:34:191
1170076991511,3cyclictest1198284-21kthreadcore19:29:391
1170076991511,3cyclictest1188403-21kthreadcore19:24:381
1170076991511,3cyclictest1177025-21kworker/u16:3+nfsiod21:11:001
117007599158,6cyclictest0-21swapper/022:14:460
117007599157,3cyclictest1276110-21perf20:25:010
117007599156,4cyclictest1338158-21diskmemload23:11:570
117007599151,7cyclictest1630882-21munin-run23:55:030
1170075991512,2cyclictest778-21dbus-daemon19:45:020
1170075991512,2cyclictest24619-21llvmpipe-120:11:590
1170075991512,2cyclictest1311980-21gltestperf20:54:350
1170075991512,2cyclictest1303702-21sh20:45:000
1170075991512,2cyclictest1170073-21cyclictest22:00:030
1170075991511,3cyclictest24615-21JS14:54:060
1170075991511,3cyclictest1363914-21missed_timers21:24:410
1170075991511,3cyclictest1288434-21kthreadcore20:34:390
1170075991511,3cyclictest1252141-21kthreadcore20:09:400
1170075991511,3cyclictest1180939-21if_enp1s0.819:19:350
1170075991511,3cyclictest1170698-21tail19:14:210
117007599150,6cyclictest3698468-1atop23:30:010
117007599150,6cyclictest0-21swapper/023:05:380
2213291141,6phc2sys0-21swapper/321:24:153
2213291140,6phc2sys0-21swapper/322:34:153
2213291140,3phc2sys0-21swapper/320:29:173
2213291140,2phc2sys0-21swapper/320:50:573
2213291140,2phc2sys0-21swapper/300:01:233
2213291140,1phc2sys0-21swapper/321:29:003
117007799141,3cyclictest0-21swapper/220:34:162
1170077991412,1cyclictest0-21swapper/221:15:032
1170077991412,1cyclictest0-21swapper/219:39:392
1170077991412,1cyclictest0-21swapper/219:29:452
1170077991411,1cyclictest0-21swapper/223:58:012
1170077991411,1cyclictest0-21swapper/222:43:422
1170077991411,1cyclictest0-21swapper/221:25:532
1170077991411,1cyclictest0-21swapper/221:00:022
1170077991410,2cyclictest0-21swapper/223:04:362
1170077991410,2cyclictest0-21swapper/222:04:402
1170077991410,2cyclictest0-21swapper/220:09:392
117007799140,7cyclictest0-21swapper/200:36:282
117007799140,1cyclictest0-21swapper/223:54:152
117007699149,4cyclictest1519689-21cut22:54:371
1170076991411,2cyclictest1349898-21cstates21:19:341
1170076991410,3cyclictest1556273-21kthreadcore23:14:381
1170076991410,3cyclictest1539225-21kthreadcore23:04:381
1170076991410,3cyclictest1495266-21kthreadcore22:39:401
1170076991410,3cyclictest1474748-21kthreadcore22:29:401
1170076991410,3cyclictest1466930-21kthreadcore22:24:401
1170076991410,3cyclictest1211992-21kthreadcore19:39:401
1170076991410,3cyclictest1181152-21irqcore19:19:351
1170076991410,3cyclictest1177025-21kworker/u16:3+nfsiod21:32:181
1170076991410,3cyclictest1177025-21kworker/u16:3+nfsiod21:32:181
117007599147,5cyclictest1331631-21sshd-session21:05:390
117007599145,4cyclictest82050irq/121-eno122:39:170
117007599145,4cyclictest1235232-21/usr/sbin/munin19:59:340
117007599144,5cyclictest0-21swapper/000:29:390
117007599141,8cyclictest1589332-21tune2fs23:34:360
1170075991411,2cyclictest1318162-21aten_repower_cu20:59:170
117007599140,9cyclictest1521202-21cut22:54:380
2213291132,5phc2sys0-21swapper/320:10:093
2213291131,3phc2sys0-21swapper/321:34:163
2213291131,3phc2sys0-21swapper/321:34:163
2213291131,2phc2sys0-21swapper/321:09:333
2213291130,5phc2sys0-21swapper/319:19:153
2213291130,3phc2sys0-21swapper/320:19:153
2213291130,2phc2sys0-21swapper/323:30:033
2213291130,2phc2sys0-21swapper/322:41:503
2213291130,2phc2sys0-21swapper/322:29:023
2213291130,2phc2sys0-21swapper/322:12:403
2213291130,2phc2sys0-21swapper/322:08:353
2213291130,2phc2sys0-21swapper/319:53:373
2213291130,2phc2sys0-21swapper/319:42:043
2213291130,2phc2sys0-21swapper/300:23:413
2213291130,1phc2sys0-21swapper/323:44:113
2213291130,1phc2sys0-21swapper/323:44:113
2213291130,1phc2sys0-21swapper/319:29:463
117007799139,2cyclictest0-21swapper/220:00:032
117007799132,6cyclictest0-21swapper/221:39:132
117007799131,6cyclictest0-21swapper/223:29:162
117007799131,6cyclictest0-21swapper/222:29:152
117007799131,5cyclictest0-21swapper/221:49:182
117007799131,5cyclictest0-21swapper/219:54:162
1170077991311,1cyclictest0-21swapper/223:39:392
1170077991311,1cyclictest0-21swapper/223:09:142
1170077991311,1cyclictest0-21swapper/222:49:392
1170077991311,1cyclictest0-21swapper/222:22:402
1170077991311,1cyclictest0-21swapper/221:40:052
1170077991311,1cyclictest0-21swapper/221:16:192
1170077991311,1cyclictest0-21swapper/221:09:382
1170077991311,1cyclictest0-21swapper/219:49:382
1170077991311,1cyclictest0-21swapper/219:10:032
1170077991311,1cyclictest0-21swapper/200:05:412
1170077991310,2cyclictest0-21swapper/221:04:392
1170077991310,2cyclictest0-21swapper/220:49:392
1170077991310,2cyclictest0-21swapper/219:34:402
1170077991310,2cyclictest0-21swapper/219:14:402
117007799130,7cyclictest14803042sleep222:30:222
117007699139,3cyclictest1657482-21kworker/u16:2+nfsiod00:20:461
117007699139,3cyclictest1336726-21kthreadcore21:09:391
117007699133,6cyclictest1170073-21cyclictest00:18:421
1170076991310,2cyclictest813-21systemd-logind19:10:031
1170076991310,2cyclictest560-21hwrng00:29:221
1170076991310,2cyclictest1276754-21/usr/sbin/munin20:29:381
117007599133,9cyclictest1304393-21apt-get20:49:150
1170075991310,2cyclictest1242230-21aten_repower_cu20:04:160
1170075991310,2cyclictest1-21systemd21:05:020
2213291123,2phc2sys0-21swapper/323:19:463
2213291121,3phc2sys0-21swapper/321:42:293
2213291120,5phc2sys0-21swapper/322:49:193
2213291120,3phc2sys0-21swapper/319:06:013
2213291120,2phc2sys0-21swapper/300:32:473
2213291120,2phc2sys0-21swapper/300:19:163
117007799129,2cyclictest0-21swapper/219:19:052
117007799129,1cyclictest0-21swapper/222:53:062
117007799129,1cyclictest0-21swapper/222:37:452
117007799129,1cyclictest0-21swapper/220:10:172
117007799128,2cyclictest0-21swapper/220:50:132
117007799123,6cyclictest0-21swapper/219:44:132
117007799121,5cyclictest0-21swapper/223:44:162
117007799121,5cyclictest0-21swapper/223:44:162
1170077991210,1cyclictest0-21swapper/223:13:222
1170077991210,1cyclictest0-21swapper/220:29:412
1170077991210,1cyclictest0-21swapper/220:24:382
1170077991210,1cyclictest0-21swapper/220:19:392
1170077991210,1cyclictest0-21swapper/200:34:202
1170077991210,1cyclictest0-21swapper/200:19:092
1170077991210,1cyclictest0-21swapper/200:14:372
117007599129,2cyclictest797-21polkitd19:10:020
117007599129,2cyclictest1291867-21kernelversion20:39:370
117007599125,2cyclictest0-21swapper/019:54:150
2213291112,2phc2sys0-21swapper/321:46:343
2213291111,4phc2sys0-21swapper/323:29:153
2213291111,2phc2sys0-21swapper/319:39:163
2213291111,1phc2sys0-21swapper/320:02:403
2213291110,2phc2sys0-21swapper/320:45:013
117007799119,1cyclictest0-21swapper/219:22:102
2213291101,4phc2sys0-21swapper/320:34:153
2213291101,2phc2sys0-21swapper/321:35:043
2213291101,2phc2sys0-21swapper/321:18:153
2213291101,2phc2sys0-21swapper/321:14:063
2213291101,2phc2sys0-21swapper/319:49:343
2213291101,2phc2sys0-21swapper/319:24:453
2213291100,2phc2sys0-21swapper/323:12:493
2213291100,2phc2sys0-21swapper/323:01:183
2213291100,2phc2sys0-21swapper/322:03:103
2213291100,2phc2sys0-21swapper/321:04:203
2213291100,2phc2sys0-21swapper/320:39:153
2213291100,2phc2sys0-21swapper/320:24:163
2213291100,2phc2sys0-21swapper/319:55:313
2213291100,2phc2sys0-21swapper/319:14:353
2213291100,2phc2sys0-21swapper/300:15:033
221329190,5phc2sys1317797-21chrt20:55:053
221329190,2phc2sys0-21swapper/323:50:053
221329190,2phc2sys0-21swapper/323:45:043
221329190,2phc2sys0-21swapper/322:50:123
221329190,2phc2sys0-21swapper/320:09:343
221329190,2phc2sys0-21swapper/319:33:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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