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2026-04-28 - 21:19
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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 rack2slot0.osadl.org (updated Tue Apr 28, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94672830,2sleep33268699cyclictest12:38:233
32686995858,0cyclictest335-21scsi_eh_210:43:303
32686995858,0cyclictest335-21scsi_eh_210:43:303
32682995858,0cyclictest335-21scsi_eh_210:47:002
32682995757,0cyclictest335-21scsi_eh_210:45:022
32682995757,0cyclictest335-21scsi_eh_210:45:022
139672560,0sleep00-21swapper/009:25:070
325832550,2sleep33268699cyclictest09:34:393
86802520,0sleep00-21swapper/011:28:140
40752520,0sleep30-21swapper/311:22:133
39232520,1sleep33925-21bash10:51:293
226412520,0sleep1231rcuc/112:39:331
147442520,0sleep10-21swapper/111:45:291
276522510,0sleep20-21swapper/211:10:062
276522510,0sleep20-21swapper/211:10:052
239132510,1sleep223916-21bash11:43:352
185712510,1sleep11-21systemd11:34:441
85382500,0sleep10-21swapper/112:10:121
298692500,0sleep00-21swapper/010:57:590
255142500,1sleep225512-21lspci09:22:322
265312490,0sleep00-21swapper/011:57:460
108682490,0sleep00-21swapper/009:12:570
58022480,1sleep15803-21bash12:26:471
312162480,0sleep10-21swapper/110:43:581
312162480,0sleep10-21swapper/110:43:581
293632480,0sleep20-21swapper/211:04:172
214172480,1sleep221419-21bash11:51:442
117662480,2sleep33268699cyclictest10:09:073
259962460,1sleep3401ktimersoftd/311:35:183
32682994444,0cyclictest335-21scsi_eh_210:39:492
326292420,2sleep13267599cyclictest10:51:031
242042400,2sleep03267099cyclictest11:32:230
38492370,0sleep20-21swapper/212:26:362
299282360,0sleep129931-21lspci11:01:121
285972360,0sleep30-21swapper/308:15:183
12402360,1sleep21238-21bash12:34:532
286112340,2sleep13267599cyclictest09:22:551
32670993131,0cyclictest26251-21kworker/0:210:39:500
307812298,7sleep20-21swapper/207:05:062
3229022210,7sleep30-21swapper/307:06:313
3224222217,3sleep00-21swapper/007:05:530
3252622110,7sleep10-21swapper/107:09:261
190322210,0sleep10-21swapper/111:20:381
32675992019,0cyclictest1068-21nfsd10:46:251
32682991919,0cyclictest527-40kipmi010:04:192
271472190,0sleep20-21swapper/209:39:422
151002180,1sleep0101ktimersoftd/012:02:230
270962170,0sleep10-21swapper/111:07:051
266142170,0sleep00-21swapper/010:18:580
85082160,0sleep00-21swapper/011:02:150
32686991615,0cyclictest75750irq/24-eno1-rx-10:47:003
319912160,0sleep131942-21sshd10:58:121
16212160,0sleep30-21swapper/310:22:283
77542150,0sleep27751-21lspci10:08:462
53812150,0sleep30-21swapper/310:35:193
3268299150,0cyclictest0-21swapper/211:27:182
245252150,1sleep30-21swapper/310:15:483
244552150,0sleep3391rcuc/309:36:393
236912150,0sleep20-21swapper/211:18:192
160032150,0sleep10-21swapper/109:58:111
156322150,0sleep00-21swapper/010:00:550
152042150,0sleep10-21swapper/110:06:331
39942140,0sleep03987-21lspci09:54:220
3267599145,1cyclictest25-21ksoftirqd/111:29:491
3267599143,3cyclictest25-21ksoftirqd/109:45:331
32675991413,0cyclictest13308-21kworker/1:309:00:191
293262140,0sleep00-21swapper/010:25:020
229212140,0sleep30-21swapper/309:10:243
145112140,1sleep014508-21bash09:33:000
77672130,1sleep1231rcuc/111:19:461
32686991311,1cyclictest7184-21grepconf.sh12:21:153
3268699130,12cyclictest14644-21sshd11:28:463
32682991312,0cyclictest29640-21lspci12:06:252
32682991312,0cyclictest14145-21lspci12:38:472
3268299130,1cyclictest0-21swapper/209:41:382
3268299130,12cyclictest5113-21lspci09:54:282
3267599135,1cyclictest25-21ksoftirqd/109:41:011
3267599132,2cyclictest131rcu_sched12:00:181
32675991313,0cyclictest25247-21kworker/1:008:10:131
32675991313,0cyclictest25247-21kworker/1:008:10:131
32675991313,0cyclictest241ktimersoftd/107:11:501
30662130,0sleep30-21swapper/309:19:523
124982130,0sleep20-21swapper/212:13:212
74492120,0sleep37433-21sshd11:50:283
32686991210,1cyclictest13299-21sshd09:46:463
3268699120,1cyclictest674-21dbus-daemon11:18:053
3268699120,1cyclictest674-21dbus-daemon10:00:163
3268699120,1cyclictest0-21swapper/309:42:353
32682991211,0cyclictest21841-21lspci10:57:092
32682991211,0cyclictest11682-21lspci12:24:322
32682991210,1cyclictest27634-21sshd11:38:182
3268299120,1cyclictest624-13audispd11:09:082
3268299120,1cyclictest0-21swapper/212:18:582
3268299120,11cyclictest10706-21sshd11:22:482
3267599126,2cyclictest25-21ksoftirqd/112:33:201
3267599125,1cyclictest25-21ksoftirqd/111:13:571
3267599125,1cyclictest25-21ksoftirqd/111:13:561
3267599124,1cyclictest25-21ksoftirqd/109:52:191
3267599123,1cyclictest25-21ksoftirqd/111:42:141
32675991212,0cyclictest4885-21kworker/1:307:38:421
32675991212,0cyclictest27521-21kworker/1:108:30:421
32675991212,0cyclictest241ktimersoftd/108:44:511
32675991212,0cyclictest241ktimersoftd/107:15:311
32675991212,0cyclictest13308-21kworker/1:309:08:581
3267599121,1cyclictest25-21ksoftirqd/111:36:041
3267599121,1cyclictest131rcu_sched10:04:541
32675991211,0cyclictest9194-21kworker/1:208:58:351
32675991211,0cyclictest4885-21kworker/1:307:28:271
32675991210,1cyclictest4885-21kworker/1:307:58:051
3267599120,2cyclictest28023-21bash12:20:171
3267099120,0cyclictest0-21swapper/010:46:590
267602120,1sleep326750-21sshd11:07:033
83852110,1sleep2321ktimersoftd/210:32:092
32686991110,0cyclictest32267-21sshd12:15:063
32686991110,0cyclictest0-21swapper/309:21:063
3268699110,1cyclictest22607-21lspci12:14:163
3268699110,1cyclictest0-21swapper/312:06:263
3268699110,0cyclictest0-21swapper/310:57:353
3268299119,1cyclictest674-21dbus-daemon09:12:182
3268299119,1cyclictest24811-21bash09:58:572
3268299110,0cyclictest0-21swapper/211:48:482
3267599119,1cyclictest25-21ksoftirqd/110:11:541
3267599118,1cyclictest25-21ksoftirqd/112:18:151
3267599115,1cyclictest25-21ksoftirqd/109:31:361
3267599114,1cyclictest25-21ksoftirqd/111:55:351
3267599114,1cyclictest25-21ksoftirqd/110:31:461
3267599114,1cyclictest25-21ksoftirqd/109:10:271
3267599113,3cyclictest649-21polkitd10:38:111
3267599113,3cyclictest25-21ksoftirqd/110:18:371
3267599113,1cyclictest25-21ksoftirqd/109:18:361
3267599112,2cyclictest25-21ksoftirqd/111:52:071
3267599112,2cyclictest25-21ksoftirqd/110:25:461
3267599112,1cyclictest710-21NetworkManager12:06:141
3267599111,1cyclictest25-21ksoftirqd/110:20:061
32675991111,0cyclictest241ktimersoftd/108:50:021
3267599110,2cyclictest121rcu_preempt09:40:001
32670991110,0cyclictest917-21sshd10:08:100
3267099110,10cyclictest0-21swapper/012:39:200
3267099110,10cyclictest0-21swapper/012:17:100
3267099110,10cyclictest0-21swapper/011:45:490
3267099110,10cyclictest0-21swapper/010:23:000
3267099110,0cyclictest0-21swapper/010:12:590
43172100,0sleep00-21swapper/010:31:430
3268699109,0cyclictest0-21swapper/311:41:463
3268699109,0cyclictest0-21swapper/308:10:063
3268699109,0cyclictest0-21swapper/308:10:063
3268699109,0cyclictest0-21swapper/307:20:163
3268699100,0cyclictest0-21swapper/311:32:253
3268699100,0cyclictest0-21swapper/311:03:563
3268699100,0cyclictest0-21swapper/310:34:363
3268299109,0cyclictest24462-21lspci12:00:212
3268299109,0cyclictest0-21swapper/210:10:382
3268299109,0cyclictest0-21swapper/209:09:482
3268299108,1cyclictest33-21ksoftirqd/210:18:572
3267599109,1cyclictest27521-21kworker/1:108:23:361
3267599109,0cyclictest4885-21kworker/1:307:49:141
3267599104,2cyclictest25-21ksoftirqd/109:29:311
32675991010,0cyclictest4885-21kworker/1:307:40:351
32675991010,0cyclictest3127-21kworker/1:008:46:371
3267099109,0cyclictest0-21swapper/011:17:200
3267099109,0cyclictest0-21swapper/009:42:000
3267099109,0cyclictest0-21swapper/009:15:400
3267099108,1cyclictest17963-21grep12:11:000
3267099100,0cyclictest0-21swapper/011:22:390
326869998,0cyclictest0-21swapper/310:29:463
326869998,0cyclictest0-21swapper/310:13:163
326869990,8cyclictest26662-21sshd09:53:313
326829999,0cyclictest527-40kipmi010:51:402
326829998,0cyclictest1918-21lspci09:27:322
326829998,0cyclictest0-21swapper/208:00:182
326829998,0cyclictest0-21swapper/208:00:182
326829997,1cyclictest33-21ksoftirqd/211:30:202
326829997,1cyclictest20161-21sshd09:47:222
326829997,1cyclictest0-21swapper/209:33:372
326829991,1cyclictest131rcu_sched10:27:052
326759999,0cyclictest4885-21kworker/1:308:09:531
326759999,0cyclictest4885-21kworker/1:308:01:231
326759999,0cyclictest4885-21kworker/1:308:01:231
326759999,0cyclictest3127-21kworker/1:008:39:311
326759999,0cyclictest27521-21kworker/1:108:17:091
326709990,9cyclictest0-21swapper/010:45:020
326709990,9cyclictest0-21swapper/010:45:020
26404290,2sleep03267099cyclictest11:40:560
326869987,0cyclictest0-21swapper/308:58:463
326869987,0cyclictest0-21swapper/308:43:563
326869986,1cyclictest660-21avahi-daemon11:12:153
326869986,1cyclictest660-21avahi-daemon11:12:153
326869985,2cyclictest660-21avahi-daemon12:25:133
326869985,2cyclictest660-21avahi-daemon11:55:333
326869985,2cyclictest660-21avahi-daemon09:57:543
326869985,2cyclictest660-21avahi-daemon09:25:063
326829987,0cyclictest0-21swapper/208:49:482
326829986,1cyclictest642-21systemd-logind09:15:172
326829980,1cyclictest131rcu_sched11:55:202
326829980,0cyclictest131rcu_sched10:21:232
326759988,0cyclictest4885-21kworker/1:307:50:401
326709986,1cyclictest9-21ksoftirqd/012:34:320
326709986,1cyclictest4562-21kworker/0:112:22:320
326709986,1cyclictest1-21systemd10:52:100
326709984,3cyclictest4573-21sshd12:29:330
326709981,4cyclictest13069-21perf07:40:000
326869976,0cyclictest0-21swapper/307:25:263
326869976,0cyclictest0-21swapper/307:10:363
326869975,1cyclictest30629-21sshd12:31:463
326869974,2cyclictest660-21avahi-daemon11:45:393
326869972,2cyclictest699-21gdbus12:01:123
326869970,6cyclictest0-21swapper/308:35:453
326869970,0cyclictest0-21swapper/308:46:463
326869970,0cyclictest0-21swapper/307:43:163
326829976,0cyclictest321ktimersoftd/207:45:182
326829975,1cyclictest4390-21sensors08:35:182
326759977,0cyclictest4885-21kworker/1:307:32:051
326759975,1cyclictest25-21ksoftirqd/108:30:001
326759975,1cyclictest25-21ksoftirqd/107:24:591
326709976,1cyclictest19095-21lspci09:36:110
326709976,0cyclictest0-21swapper/009:46:090
326709975,1cyclictest660-21avahi-daemon12:05:060
326709975,1cyclictest660-21avahi-daemon11:05:410
326709975,1cyclictest1258-21sshd11:10:320
326709975,1cyclictest1258-21sshd11:10:320
326709974,2cyclictest674-21dbus-daemon11:50:120
326709974,2cyclictest674-21dbus-daemon11:35:100
326709974,2cyclictest674-21dbus-daemon09:55:210
326709974,2cyclictest660-21avahi-daemon09:09:520
326709973,3cyclictest649-21polkitd09:22:420
326869965,0cyclictest0-21swapper/309:05:063
326869965,0cyclictest0-21swapper/308:21:563
326869964,1cyclictest674-21dbus-daemon07:50:003
326869963,2cyclictest674-21dbus-daemon07:55:003
326869963,2cyclictest1002-21snmpd09:00:303
326869963,2cyclictest1002-21snmpd08:06:043
326869963,2cyclictest1002-21snmpd08:04:253
326869963,2cyclictest1002-21snmpd08:04:253
326869963,2cyclictest1002-21snmpd07:32:113
326829963,2cyclictest1002-21snmpd07:55:092
326829963,2cyclictest1002-21snmpd07:13:172
326709963,2cyclictest674-21dbus-daemon08:55:000
326709963,2cyclictest1002-21snmpd08:13:550
326709963,2cyclictest1002-21snmpd08:13:550
326709963,2cyclictest1002-21snmpd07:14:560
326709961,4cyclictest31387-21munin-run08:25:010
326869954,0cyclictest0-21swapper/307:15:063
326869953,1cyclictest1736-21cat08:30:133
326869953,1cyclictest11696-21cat07:35:153
326869953,1cyclictest1002-21snmpd08:50:153
326869953,1cyclictest1002-21snmpd08:25:203
326869953,1cyclictest1002-21snmpd07:55:033
326829954,0cyclictest0-21swapper/208:55:482
326829953,1cyclictest9451-21/usr/sbin/munin08:50:212
326829953,1cyclictest33-21ksoftirqd/208:20:012
326829953,1cyclictest11717-21mii-tool07:35:152
326829953,1cyclictest1002-21snmpd08:44:292
326829953,1cyclictest1002-21snmpd08:32:502
326829953,1cyclictest1002-21snmpd08:27:222
326829953,1cyclictest1002-21snmpd08:24:172
326829953,1cyclictest1002-21snmpd08:05:452
326829953,1cyclictest1002-21snmpd07:53:462
326829953,1cyclictest1002-21snmpd07:33:592
326829953,1cyclictest1002-21snmpd07:29:062
326829953,1cyclictest1002-21snmpd07:20:232
326829953,1cyclictest1002-21snmpd07:18:472
326829952,2cyclictest1002-21snmpd08:10:582
326829952,2cyclictest1002-21snmpd08:10:582
326829951,1cyclictest15083-21dump-pmu-power07:45:002
326709953,1cyclictest3589-21cat07:15:120
326709953,1cyclictest23954-21cat08:05:140
326709953,1cyclictest21725-21gltestperf08:00:140
326709953,1cyclictest21725-21gltestperf08:00:130
326709953,1cyclictest2040-21grep08:30:150
326709953,1cyclictest19836-21cat07:55:130
326709953,1cyclictest12350-21ntp_states08:55:170
326709953,1cyclictest1082-21lldpd08:15:060
326709953,1cyclictest1082-21lldpd07:20:300
326709953,1cyclictest10045-21grep07:30:170
326709953,1cyclictest1002-21snmpd07:40:420
326709952,2cyclictest674-21dbus-daemon07:25:000
326709952,2cyclictest1002-21snmpd09:02:510
326709952,2cyclictest1002-21snmpd08:49:480
326709952,2cyclictest1002-21snmpd08:43:220
326709952,2cyclictest1002-21snmpd08:38:410
326709950,4cyclictest833-21chrt08:27:560
326829942,1cyclictest13853-21gltestperf09:00:132
326709944,0cyclictest15300-21kworker/0:107:50:130
326709942,1cyclictest642-21systemd-logind07:44:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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