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2025-12-12 - 10:50
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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 792 highest latencies:
System rack2slot0.osadl.org (updated Fri Dec 12, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
539821140,0sleep15326-21sshd23:01:231
165722970,0sleep20-21swapper/223:52:362
119852940,0sleep00-21swapper/021:31:320
109172940,0sleep00-21swapper/023:42:080
52922830,2sleep01106699cyclictest23:24:580
306772700,0sleep00-21swapper/021:20:100
307492600,0sleep20-21swapper/223:14:142
219252600,0sleep20-21swapper/222:56:252
100302590,0sleep30-21swapper/323:25:213
60932580,1sleep06090-21sshd23:25:010
204432570,0sleep20-21swapper/222:53:002
142932570,0sleep30-21swapper/322:42:323
140532560,0sleep00-21swapper/022:39:110
131952560,0sleep10-21swapper/100:29:351
67852540,0sleep00-21swapper/000:35:480
139722530,0sleep20-21swapper/223:32:292
137042530,0sleep00-21swapper/023:39:080
231452520,0sleep20-21swapper/222:13:072
301592510,1sleep030156-21bash23:34:120
29082510,0sleep10-21swapper/121:37:201
263782510,0sleep00-21swapper/021:12:560
79592490,0sleep11098-21rs:main1
127562480,1sleep212752-21lspci21:45:062
105642480,0sleep10-21swapper/123:55:151
19192380,1sleep09-21ksoftirqd/022:14:160
1078923618,7sleep00-21swapper/019:07:450
916823429,3sleep10-21swapper/119:05:021
281162220,0sleep30-21swapper/300:06:513
249532220,1sleep1646-21dbus-daemon22:36:521
1061822210,7sleep30-21swapper/319:05:403
1059122210,7sleep20-21swapper/219:05:232
16072200,1sleep01603-21sshd22:34:320
318402190,0sleep2311rcuc/222:47:352
56412180,0sleep00-21swapper/022:54:490
248692180,0sleep20-21swapper/222:03:102
248692180,0sleep20-21swapper/222:03:092
95092170,1sleep39513-21cpuspeed_turbos22:55:133
49572170,0sleep10-21swapper/122:28:081
205392160,0sleep10-21swapper/122:33:051
200212160,0sleep20-21swapper/222:26:172
127332160,0sleep00-21swapper/022:08:400
121722160,1sleep112155-21memory22:15:181
11066991615,0cyclictest12662-21lspci21:28:160
68322150,0sleep30-21swapper/322:48:203
307962150,0sleep10-21swapper/100:17:331
305122150,0sleep00-21swapper/023:10:490
223682150,0sleep10-21swapper/121:46:031
206782150,0sleep00-21swapper/022:46:250
185932150,0sleep1231rcuc/122:09:181
171732150,1sleep3391rcuc/323:46:033
149662150,0sleep314965-21bash23:22:323
141762150,1sleep014175-21grepconf.sh00:12:170
160432140,0sleep00-21swapper/021:58:550
141572140,0sleep30-21swapper/323:35:463
1107599140,11cyclictest1339-21grep23:44:343
11066991413,0cyclictest24020-21lspci00:09:530
11066991412,1cyclictest18518-21sshd23:49:360
311262130,0sleep10-21swapper/122:20:381
11074991312,0cyclictest32467-21lspci21:33:452
11074991311,1cyclictest793-21lspci00:07:232
1107499130,12cyclictest646-21dbus-daemon21:19:082
11066991310,1cyclictest31358-21sshd22:40:560
79612120,0sleep20-21swapper/221:24:282
11075991211,0cyclictest0-21swapper/322:16:543
1107599120,1cyclictest618-13audispd21:57:233
1107599120,11cyclictest6139-21lspci00:11:233
1107599120,11cyclictest0-21swapper/322:31:033
1107599120,0cyclictest28905-21lspci23:57:043
11074991210,1cyclictest24548-21grep00:23:582
11074991210,1cyclictest0-21swapper/222:16:582
1107399120,1cyclictest19955-21bash21:59:201
1107399120,11cyclictest0-21swapper/121:41:101
1107399120,11cyclictest0-21swapper/121:19:201
11066991210,1cyclictest29651-21lspci22:57:130
1106699120,11cyclictest0-21swapper/023:56:460
251782110,0sleep10-21swapper/123:10:161
1107599119,1cyclictest5924-21bash21:27:343
11075991110,0cyclictest0-21swapper/321:13:243
11075991110,0cyclictest0-21swapper/300:15:343
1107599110,10cyclictest0-21swapper/323:10:533
1107599110,10cyclictest0-21swapper/321:51:243
1107599110,10cyclictest0-21swapper/321:33:543
1107599110,10cyclictest0-21swapper/300:39:243
1107599110,10cyclictest0-21swapper/300:01:133
1107599110,0cyclictest0-21swapper/321:47:033
1107499119,1cyclictest18728-21lspci23:49:372
1107499119,1cyclictest1398-21lspci23:37:512
11074991110,0cyclictest31596-21lspci23:04:122
11074991110,0cyclictest30730-21lspci22:44:132
11074991110,0cyclictest0-21swapper/223:41:082
11074991110,0cyclictest0-21swapper/221:57:282
11074991110,0cyclictest0-21swapper/221:06:582
11074991110,0cyclictest0-21swapper/200:37:382
1107499110,10cyclictest0-21swapper/223:26:372
1107499110,10cyclictest0-21swapper/222:35:082
1107499110,10cyclictest0-21swapper/221:28:482
1107499110,10cyclictest0-21swapper/200:28:072
1107399110,10cyclictest0-21swapper/121:30:101
1107399110,10cyclictest0-21swapper/121:22:091
1107399110,10cyclictest0-21swapper/100:00:191
1107399110,0cyclictest0-21swapper/122:51:301
1106699119,1cyclictest9762-21sshd21:54:550
1106699119,1cyclictest18008-21sshd23:06:060
1106699113,4cyclictest21742-21munin-run19:35:000
11066991110,0cyclictest0-21swapper/019:10:150
1106699110,10cyclictest0-21swapper/000:29:360
1107599109,0cyclictest0-21swapper/322:06:133
1107599108,1cyclictest8790-21lspci21:17:543
1107599108,1cyclictest31545-21bash21:23:333
1107599100,0cyclictest0-21swapper/322:01:143
1107599100,0cyclictest0-21swapper/322:01:143
1107599100,0cyclictest0-21swapper/319:26:333
1107599100,0cyclictest0-21swapper/300:31:043
1107499109,0cyclictest0-21swapper/222:31:072
1107399109,0cyclictest0-21swapper/123:27:591
1107399108,1cyclictest17221-21lspci22:59:201
1107399100,9cyclictest0-21swapper/120:39:301
1107399100,0cyclictest0-21swapper/100:34:211
1106699109,0cyclictest26683-21lspci00:30:550
1106699109,0cyclictest0-21swapper/022:22:150
1106699109,0cyclictest0-21swapper/021:09:460
1106699108,1cyclictest9-21ksoftirqd/021:15:420
1106699108,1cyclictest18403-21bash22:19:260
1106699100,9cyclictest25211-21kworker/0:023:17:120
110759998,0cyclictest0-21swapper/323:08:043
110759998,0cyclictest0-21swapper/322:54:343
110759998,0cyclictest0-21swapper/321:44:543
110749998,0cyclictest19594-21lspci23:56:062
110749998,0cyclictest0-21swapper/220:35:282
110749991,1cyclictest121rcu_preempt22:23:372
110739998,0cyclictest0-21swapper/119:25:301
110739998,0cyclictest0-21swapper/100:21:511
110739998,0cyclictest0-21swapper/100:14:411
110669998,0cyclictest0-21swapper/022:25:060
110669997,1cyclictest9-21ksoftirqd/021:44:050
110669997,1cyclictest9-21ksoftirqd/021:39:320
6452280,1sleep3391rcuc/323:54:533
14743280,0sleep30-21swapper/322:25:423
110759986,1cyclictest6300-21lspci22:14:453
110749986,1cyclictest33-21ksoftirqd/223:18:092
110749986,1cyclictest33-21ksoftirqd/200:12:222
110749986,1cyclictest16198-21lspci00:15:572
110749985,2cyclictest692-21NetworkManager23:20:052
110749985,2cyclictest33-21ksoftirqd/222:06:092
110749983,2cyclictest29578-21sshd23:07:202
110749982,1cyclictest121rcu_preempt00:32:272
110749981,1cyclictest121rcu_preempt00:00:342
110739987,0cyclictest0-21swapper/120:58:191
110739987,0cyclictest0-21swapper/119:53:301
110739987,0cyclictest0-21swapper/119:18:291
110739986,1cyclictest7783-21sshd21:10:191
110739986,1cyclictest25-21ksoftirqd/100:07:381
110739986,1cyclictest13989-21sshd00:36:361
110739986,1cyclictest11558-21sshd21:51:401
110739986,1cyclictest11402-21lspci23:38:541
110739985,2cyclictest649-21avahi-daemon23:45:461
110669987,0cyclictest0-21swapper/000:18:150
110669986,1cyclictest9-21ksoftirqd/022:01:490
110669986,1cyclictest9-21ksoftirqd/022:01:480
110669986,1cyclictest7470-21lspci21:47:550
110669986,1cyclictest21124-21lspci23:53:020
110669985,2cyclictest649-21avahi-daemon00:03:080
110669985,1cyclictest9-21ksoftirqd/000:20:170
15362270,5sleep315645-21sshd21:35:163
110759976,0cyclictest3868-21lspci23:18:063
110759975,1cyclictest700-21gdbus22:20:103
110759975,1cyclictest41-21ksoftirqd/323:01:573
110759975,1cyclictest0-21swapper/300:28:033
110759974,2cyclictest22264-21sshd00:20:093
110759973,3cyclictest692-21NetworkManager23:32:483
110759973,3cyclictest646-21dbus-daemon22:35:413
110749975,1cyclictest684-21polkitd21:10:032
110749975,1cyclictest649-21avahi-daemon21:36:152
110749975,1cyclictest33-21ksoftirqd/221:50:302
110749975,1cyclictest33-21ksoftirqd/221:40:252
110739975,1cyclictest5013-21sshd22:48:091
110739975,1cyclictest3571-21lspci22:14:281
110739975,1cyclictest2428-21sshd22:41:171
110739975,1cyclictest21891-21lspci23:43:201
110739975,1cyclictest19258-21lspci23:33:031
110739974,2cyclictest15769-21sshd21:28:371
110739973,3cyclictest646-21dbus-daemon23:22:321
110669974,2cyclictest31578-21sshd23:00:420
110759965,0cyclictest0-21swapper/319:56:343
110759963,2cyclictest700-21gdbus20:10:003
110759963,2cyclictest646-21dbus-daemon21:08:063
110759963,2cyclictest17299-21snmpd21:00:333
110759960,5cyclictest0-21swapper/320:47:143
110749962,1cyclictest0-21swapper/219:51:292
110739964,1cyclictest700-21gdbus23:05:041
110739964,1cyclictest649-21avahi-daemon22:00:371
110739964,1cyclictest649-21avahi-daemon22:00:361
110739964,1cyclictest17299-21snmpd19:48:191
110739963,2cyclictest9134-21sshd23:15:171
110739963,2cyclictest646-21dbus-daemon20:25:001
110739963,2cyclictest603-21sshd21:08:261
110669963,2cyclictest17299-21snmpd19:29:330
110669960,5cyclictest0-21swapper/019:44:040
110759954,0cyclictest0-21swapper/319:51:433
110759953,1cyclictest26494-21cat19:45:133
110759953,1cyclictest24339-21grep19:40:133
110759953,1cyclictest17299-21snmpd20:58:113
110759953,1cyclictest17299-21snmpd20:38:233
110759953,1cyclictest17299-21snmpd20:25:473
110759953,1cyclictest17299-21snmpd20:24:023
110759953,1cyclictest17299-21snmpd20:14:383
110759953,1cyclictest17299-21snmpd19:35:573
110759953,1cyclictest17299-21snmpd19:24:303
110759953,1cyclictest17299-21snmpd19:12:083
110759953,1cyclictest0-21swapper/320:00:133
110759952,2cyclictest17491-21taskset20:40:333
110759952,2cyclictest13662-21chrt20:33:273
110759950,4cyclictest14996-21grep19:15:193
110759950,2cyclictest21647-21sshd20:51:433
110749954,0cyclictest0-21swapper/221:00:382
110749953,1cyclictest8421-21cat20:20:162
110749953,1cyclictest3865-21/usr/sbin/munin20:10:172
110749953,1cyclictest30370-21df19:55:132
110749953,1cyclictest26445-21sed19:45:132
110749953,1cyclictest24501-21cat19:40:142
110749953,1cyclictest20620-21cat20:50:162
110749953,1cyclictest1928-21cpuspeed_turbos20:05:122
110749953,1cyclictest17299-21snmpd20:57:142
110749953,1cyclictest17299-21snmpd20:45:362
110749953,1cyclictest17299-21snmpd20:42:082
110749953,1cyclictest17299-21snmpd20:15:462
110749953,1cyclictest17299-21snmpd20:00:222
110749953,1cyclictest17299-21snmpd19:27:442
110749953,1cyclictest17299-21snmpd19:21:482
110749953,1cyclictest17299-21snmpd19:18:172
110749953,1cyclictest17299-21snmpd19:11:202
110749953,1cyclictest12490-21cat20:30:142
110749953,1cyclictest1109-21ntpd19:30:172
110749953,1cyclictest1058-21sendmail19:35:192
110749950,4cyclictest0-21swapper/220:26:282
110739953,1cyclictest2307-21mii-tool20:05:141
110739953,1cyclictest22060-21tr19:35:121
110739953,1cyclictest17299-21snmpd20:34:131
110739953,1cyclictest17299-21snmpd20:10:071
110739953,1cyclictest17299-21snmpd20:00:341
110739953,1cyclictest17299-21snmpd19:57:481
110739953,1cyclictest17299-21snmpd19:40:561
110739953,1cyclictest17299-21snmpd19:30:201
110739953,1cyclictest17299-21snmpd19:10:411
110739953,1cyclictest1109-21ntpd20:50:211
110739953,1cyclictest1109-21ntpd20:46:251
110739953,1cyclictest1053-21lldpd21:00:181
110739950,4cyclictest0-21swapper/119:22:001
110669954,0cyclictest0-21swapper/020:40:350
110669953,1cyclictest682-21lsmd20:30:180
110669953,1cyclictest649-21avahi-daemon20:15:320
110669953,1cyclictest24790-21kworker/0:120:01:440
110669953,1cyclictest17299-21snmpd21:02:410
110669953,1cyclictest17299-21snmpd20:50:240
110669953,1cyclictest17299-21snmpd20:49:230
110669953,1cyclictest17299-21snmpd20:25:440
110669953,1cyclictest17299-21snmpd20:20:580
110669953,1cyclictest17299-21snmpd20:10:190
110669953,1cyclictest17299-21snmpd20:09:390
110669953,1cyclictest17299-21snmpd19:55:270
110669953,1cyclictest17299-21snmpd19:52:370
110669953,1cyclictest17299-21snmpd19:47:130
110669953,1cyclictest17299-21snmpd19:36:090
110669953,1cyclictest17299-21snmpd19:19:200
110669953,1cyclictest1058-21sendmail20:36:590
110669950,4cyclictest0-21swapper/019:22:050
110669950,0cyclictest0-21swapper/020:55:060
110759942,1cyclictest6015-21tr20:15:113
110759942,1cyclictest20108-21cat19:30:123
110739942,1cyclictest6225-21gltestperf20:15:131
110739942,1cyclictest17299-21snmpd20:40:081
110739942,1cyclictest17299-21snmpd20:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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