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2025-09-17 - 23:42
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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 Wed Sep 17, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43542940,1sleep24348-21sshd10:57:372
14122910,0sleep10-21swapper/111:07:451
191722570,0sleep10-21swapper/111:37:171
223592550,0sleep30-21swapper/312:25:253
19882550,1sleep21987-21grepconf.sh12:26:442
259302530,0sleep30-21swapper/311:24:173
27582510,0sleep20-21swapper/210:31:132
283532500,0sleep09-21ksoftirqd/009:37:480
280542500,1sleep228029-21sshd10:44:352
235532500,0sleep30-21swapper/310:23:003
228822500,0sleep30-21swapper/310:40:353
60962490,1sleep26092-21lspci11:32:252
140272490,0sleep214030-21id10:01:052
323212480,0sleep20-21swapper/210:48:302
234272470,2sleep32348499cyclictest10:47:273
80092450,2sleep02346999cyclictest12:07:080
264352450,0sleep10-21swapper/111:20:471
93832440,0sleep20-21swapper/209:13:432
17942430,2sleep22348199cyclictest09:56:122
2323224129,7sleep10-21swapper/107:08:231
2322123423,7sleep00-21swapper/007:08:140
2301123110,7sleep20-21swapper/207:05:352
164642230,1sleep016450-21sshd12:31:310
230122227,10sleep30-21swapper/307:05:363
23481992120,0cyclictest0-21swapper/210:28:272
207182190,0sleep00-21swapper/009:51:140
30832170,0sleep10-21swapper/111:04:281
278402170,0sleep00-21swapper/009:11:570
217522170,1sleep021707-21sshd11:10:000
177842160,1sleep30-21swapper/309:33:063
127312160,0sleep10-21swapper/111:57:351
23469991514,0cyclictest0-21swapper/011:04:120
2346999150,1cyclictest648-21systemd-logind10:12:120
148872150,0sleep00-21swapper/012:24:450
124672150,0sleep10-21swapper/109:57:231
110602150,0sleep30-21swapper/311:47:043
244922140,0sleep00-21swapper/012:15:330
23484991411,2cyclictest0-21swapper/309:20:223
203652140,0sleep10-21swapper/109:44:141
309202130,0sleep230904-21sshd12:16:152
2348199130,1cyclictest8354-21lspci12:37:272
2347599130,1cyclictest1094-21nfsd10:14:091
2347599130,12cyclictest0-21swapper/112:39:501
2347599130,12cyclictest0-21swapper/112:21:491
101202130,1sleep010096-21sshd10:46:010
2348499120,11cyclictest0-21swapper/311:29:313
2348499120,11cyclictest0-21swapper/310:05:223
2348499120,0cyclictest0-21swapper/312:20:423
2348199120,11cyclictest7628-21sshd11:50:172
2348199120,11cyclictest0-21swapper/210:36:462
23475991210,1cyclictest23806-21id10:02:101
23475991210,1cyclictest16242-21sshd10:54:401
2347599120,1cyclictest3952-21lspci12:13:301
2347599120,1cyclictest0-21swapper/109:32:591
2347599120,11cyclictest22608-21grepconf.sh11:30:401
2346999120,1cyclictest7339-21sshd11:11:530
2346999120,1cyclictest26328-21sshd09:59:030
2346999120,11cyclictest6385-21sshd11:35:530
2346999120,11cyclictest0-21swapper/011:28:130
287792110,0sleep30-21swapper/310:02:433
2348499119,1cyclictest618-13audispd10:51:223
2348499119,1cyclictest29909-21sshd09:27:123
23484991110,0cyclictest0-21swapper/312:12:223
23484991110,0cyclictest0-21swapper/310:15:123
2348499110,10cyclictest24992-21bash10:30:123
2348499110,0cyclictest0-21swapper/312:15:423
2348499110,0cyclictest0-21swapper/311:42:423
2348499110,0cyclictest0-21swapper/310:36:523
2348499110,0cyclictest0-21swapper/309:10:023
23481991110,0cyclictest0-21swapper/209:25:262
23481991110,0cyclictest0-21swapper/209:21:362
2348199110,10cyclictest0-21swapper/212:13:572
2348199110,10cyclictest0-21swapper/210:21:462
2348199110,0cyclictest0-21swapper/211:29:262
23475991110,0cyclictest0-21swapper/112:08:291
23475991110,0cyclictest0-21swapper/111:43:491
2347599110,10cyclictest13147-21grep10:35:491
2347599110,10cyclictest0-21swapper/110:48:101
2347599110,0cyclictest0-21swapper/109:08:091
2346999119,1cyclictest30216-21lspci12:02:430
2346999119,1cyclictest12092-21lspci10:50:020
2346999119,1cyclictest0-21swapper/010:16:030
2346999110,10cyclictest0-21swapper/012:28:530
2346999110,10cyclictest0-21swapper/011:42:410
2346999110,10cyclictest0-21swapper/010:27:420
2346999110,10cyclictest0-21swapper/009:25:130
2348499109,0cyclictest0-21swapper/312:00:123
2348499109,0cyclictest0-21swapper/307:25:013
2348499108,1cyclictest0-21swapper/311:56:223
2348499100,0cyclictest0-21swapper/310:59:323
2348499100,0cyclictest0-21swapper/310:11:223
2348199109,0cyclictest0-21swapper/211:46:272
2348199109,0cyclictest0-21swapper/209:48:362
2348199108,1cyclictest33-21ksoftirqd/211:20:352
2348199108,1cyclictest33-21ksoftirqd/211:15:182
2348199108,1cyclictest33-21ksoftirqd/210:51:152
2348199108,1cyclictest33-21ksoftirqd/210:05:132
2347599109,0cyclictest0-21swapper/112:28:001
2347599109,0cyclictest0-21swapper/110:28:001
2347599109,0cyclictest0-21swapper/109:24:191
2347599108,1cyclictest32338-21sshd09:12:401
2347599100,0cyclictest0-21swapper/110:21:201
2346999109,0cyclictest0-21swapper/012:35:020
2346999109,0cyclictest0-21swapper/011:55:020
2346999109,0cyclictest0-21swapper/011:16:120
2346999100,10cyclictest0-21swapper/010:39:310
2346999100,0cyclictest0-21swapper/011:32:020
2346999100,0cyclictest0-21swapper/009:09:420
126952100,0sleep30-21swapper/311:01:573
234849998,0cyclictest0-21swapper/312:33:013
234849998,0cyclictest0-21swapper/311:37:123
234849998,0cyclictest0-21swapper/311:19:423
234849998,0cyclictest0-21swapper/309:57:313
234849998,0cyclictest0-21swapper/307:47:303
234849997,1cyclictest13860-21sshd11:05:323
234819998,0cyclictest0-21swapper/212:00:072
234819998,0cyclictest0-21swapper/211:56:172
234819998,0cyclictest0-21swapper/211:37:072
234819998,0cyclictest0-21swapper/209:34:352
234819998,0cyclictest0-21swapper/209:15:462
234819998,0cyclictest0-21swapper/208:19:352
234819998,0cyclictest0-21swapper/207:54:562
234819997,1cyclictest33-21ksoftirqd/211:12:442
234819997,1cyclictest33-21ksoftirqd/211:05:032
234819997,1cyclictest33-21ksoftirqd/209:39:372
234819997,1cyclictest0-21swapper/212:22:162
234819996,2cyclictest33-21ksoftirqd/211:02:462
234759998,0cyclictest0-21swapper/110:56:501
234759998,0cyclictest0-21swapper/110:41:101
234759998,0cyclictest0-21swapper/110:06:301
234759998,0cyclictest0-21swapper/109:51:401
234759998,0cyclictest0-21swapper/108:41:591
234699998,0cyclictest0-21swapper/011:24:230
234699997,1cyclictest30666-21bash10:02:550
234849986,1cyclictest7081-21lspci09:49:513
234849986,1cyclictest48-21kauditd09:41:013
234849985,2cyclictest649-21avahi-daemon09:51:003
234819987,0cyclictest33-21ksoftirqd/211:40:542
234819987,0cyclictest33-21ksoftirqd/209:40:172
234819987,0cyclictest0-21swapper/212:32:562
234819987,0cyclictest0-21swapper/208:20:162
234819986,1cyclictest33-21ksoftirqd/212:05:132
234819986,1cyclictest33-21ksoftirqd/210:15:272
234819986,1cyclictest33-21ksoftirqd/210:11:162
234819986,1cyclictest33-21ksoftirqd/209:50:512
234759987,0cyclictest0-21swapper/111:53:401
234759987,0cyclictest0-21swapper/111:10:301
234759987,0cyclictest0-21swapper/109:17:501
234759987,0cyclictest0-21swapper/109:00:201
234759987,0cyclictest0-21swapper/108:02:391
234759987,0cyclictest0-21swapper/107:35:591
234759987,0cyclictest0-21swapper/107:29:591
234759985,2cyclictest649-21avahi-daemon12:02:581
234759985,2cyclictest649-21avahi-daemon11:25:351
234759980,7cyclictest11996-21sshd12:31:031
234699987,0cyclictest0-21swapper/011:45:130
234699986,1cyclictest26958-21sshd09:19:230
234699986,1cyclictest17169-21lspci09:43:520
234699986,1cyclictest14513-21lspci09:47:000
234699985,2cyclictest649-21avahi-daemon09:31:440
234699985,2cyclictest10553-21sshd09:20:590
234849976,0cyclictest0-21swapper/308:16:523
234849975,1cyclictest646-21dbus-daemon09:06:543
234849975,1cyclictest616-13auditd11:51:223
234849975,1cyclictest15863-21grep10:29:123
234849975,1cyclictest14081-21bash09:39:523
234849974,2cyclictest31762-21sshd11:10:593
234849974,1cyclictest18692-21sshd12:38:343
234849973,1cyclictest616-13auditd12:05:133
234819976,0cyclictest0-21swapper/209:05:252
234819975,1cyclictest33-21ksoftirqd/208:00:002
234759975,1cyclictest6818-21lspci09:28:231
234759975,1cyclictest649-21avahi-daemon10:19:331
234759975,1cyclictest5783-21lspci11:18:371
234759975,1cyclictest18380-21lspci09:36:381
234759974,2cyclictest8655-21sshd10:31:531
234759974,2cyclictest648-21systemd-logind12:15:251
234759974,2cyclictest646-21dbus-daemon09:47:131
234699975,1cyclictest9-21ksoftirqd/012:15:010
234699975,1cyclictest26029-21lspci10:40:530
234699974,2cyclictest649-21avahi-daemon10:21:460
234699974,2cyclictest649-21avahi-daemon10:05:110
234699970,6cyclictest21322-21sshd10:55:170
7223260,0sleep10-21swapper/107:45:211
234849964,1cyclictest684-21polkitd11:30:033
234849964,1cyclictest649-21avahi-daemon09:15:153
234849963,2cyclictest17299-21snmpd08:59:093
234849963,2cyclictest17299-21snmpd08:50:003
234849960,5cyclictest0-21swapper/308:00:503
234849960,5cyclictest0-21swapper/307:10:103
234819965,0cyclictest0-21swapper/207:45:162
234819963,2cyclictest29156-21needreboot08:40:192
234819960,0cyclictest0-21swapper/208:01:352
234819960,0cyclictest0-21swapper/207:16:062
234759965,0cyclictest0-21swapper/107:33:001
234759965,0cyclictest0-21swapper/107:15:501
234759964,1cyclictest30862-21sshd11:45:371
234759964,1cyclictest25455-21dump-pmu-power07:15:001
234699964,1cyclictest684-21polkitd08:19:590
234699964,1cyclictest31757-21sshd10:30:500
234699963,2cyclictest17299-21snmpd08:52:150
234699960,5cyclictest5822-21sshd11:50:080
234699960,5cyclictest0-21swapper/008:24:320
234699960,5cyclictest0-21swapper/007:55:020
234849954,0cyclictest0-21swapper/309:00:523
234849953,1cyclictest8608-21cat07:50:163
234849953,1cyclictest649-21avahi-daemon08:30:133
234849953,1cyclictest649-21avahi-daemon08:25:203
234849953,1cyclictest649-21avahi-daemon07:40:013
234849953,1cyclictest21662-21tail08:20:213
234849953,1cyclictest17299-21snmpd08:36:183
234849953,1cyclictest17299-21snmpd07:35:453
234849953,1cyclictest10636-21cat07:55:163
234849953,1cyclictest1053-21lldpd07:30:153
234849953,1cyclictest1017-21runrttasks08:12:013
234849953,1cyclictest0-21swapper/307:15:013
234849952,2cyclictest17299-21snmpd08:43:543
234849952,2cyclictest17299-21snmpd08:07:083
234849950,0cyclictest0-21swapper/308:53:413
234819953,1cyclictest17299-21snmpd09:01:572
234819953,1cyclictest17299-21snmpd08:55:512
234819953,1cyclictest17299-21snmpd08:45:242
234819953,1cyclictest17299-21snmpd08:35:062
234819953,1cyclictest17299-21snmpd08:31:422
234819953,1cyclictest17299-21snmpd08:05:172
234819953,1cyclictest17299-21snmpd07:43:142
234819953,1cyclictest17299-21snmpd07:30:042
234819953,1cyclictest17299-21snmpd07:25:432
234819953,1cyclictest17299-21snmpd07:13:062
234819953,1cyclictest16751-21cat08:10:162
234819951,1cyclictest0-21swapper/207:20:202
234819950,1cyclictest2020-21/usr/sbin/munin07:35:182
234819950,0cyclictest0-21swapper/208:52:252
234819950,0cyclictest0-21swapper/208:27:052
234759953,1cyclictest649-21avahi-daemon08:23:171
234759953,1cyclictest28728-21cat07:20:131
234759953,1cyclictest2203-21/usr/sbin/munin08:55:151
234759953,1cyclictest17299-21snmpd08:50:031
234759953,1cyclictest17299-21snmpd08:47:211
234759953,1cyclictest17299-21snmpd08:31:301
234759953,1cyclictest17299-21snmpd08:27:361
234759953,1cyclictest17299-21snmpd08:18:281
234759953,1cyclictest17299-21snmpd07:55:171
234759953,1cyclictest17299-21snmpd07:51:101
234759953,1cyclictest17299-21snmpd07:44:171
234759953,1cyclictest1109-21ntpd08:35:181
234759952,2cyclictest16360-21cut08:10:131
234699954,0cyclictest0-21swapper/008:30:410
234699953,1cyclictest649-21avahi-daemon08:25:170
234699953,1cyclictest32113-21munin-run07:29:590
234699953,1cyclictest27384-21xargs07:15:200
234699953,1cyclictest17299-21snmpd09:00:240
234699953,1cyclictest17299-21snmpd08:55:470
234699953,1cyclictest17299-21snmpd08:40:410
234699953,1cyclictest17299-21snmpd08:35:450
234699953,1cyclictest17299-21snmpd07:31:580
234699953,1cyclictest1109-21ntpd07:45:180
234699953,1cyclictest10975-21kworker/0:007:40:390
234699953,1cyclictest1053-21lldpd08:10:130
234699953,1cyclictest1017-21runrttasks07:22:260
234699951,3cyclictest12946-21grep08:00:170
234699950,0cyclictest0-21swapper/008:08:220
234849942,1cyclictest29338-21smicount07:20:183
234759942,1cyclictest0-21swapper/108:05:061
234699942,1cyclictest31319-21ntp_kernel_err08:45:160
234699942,1cyclictest24571-21pmu-power07:10:170
234699942,1cyclictest2025-21cpu07:35:110
234699942,1cyclictest17299-21snmpd07:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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