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2026-05-07 - 01:56
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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 Thu May 07, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77082780,2sleep22548299cyclictest22:33:492
77082780,2sleep22548299cyclictest22:33:492
71082640,0sleep20-21swapper/223:47:072
71082640,0sleep20-21swapper/223:47:072
48822560,0sleep10-21swapper/122:23:471
123522550,1sleep312350-21lspci21:37:023
123522550,1sleep312350-21lspci21:37:023
39132540,0sleep10-21swapper/122:36:361
234432540,0sleep10-21swapper/122:28:511
100652540,0sleep10-21swapper/121:55:311
14552530,0sleep30-21swapper/322:26:413
5692520,0sleep00-21swapper/021:20:290
23662510,0sleep00-21swapper/023:23:170
105462510,0sleep3401ktimersoftd/321:30:023
39472500,1sleep3391rcuc/321:42:193
226162500,0sleep00-21swapper/000:20:210
44482490,1sleep34454-21needreboot23:40:153
321442490,0sleep30-21swapper/321:51:243
127902490,0sleep30-21swapper/300:16:243
119722490,0sleep10-21swapper/100:10:091
8172470,0sleep20-21swapper/221:39:022
8172470,0sleep20-21swapper/221:39:022
293252470,0sleep00-21swapper/022:26:140
159652470,0sleep30-21swapper/322:24:573
196302460,0sleep019627-21lspci21:47:050
196302460,0sleep019627-21lspci21:47:050
318712450,0sleep20-21swapper/223:03:052
232992400,0sleep00-21swapper/022:31:590
232992400,0sleep00-21swapper/022:31:590
209262360,0sleep00-21swapper/023:31:540
250552319,7sleep20-21swapper/219:06:062
253592307,7sleep30-21swapper/319:09:563
2504322817,7sleep00-21swapper/019:05:560
233002230,0sleep20-21swapper/223:38:582
47532210,0sleep30-21swapper/322:30:133
47532210,0sleep30-21swapper/322:30:133
235762219,7sleep10-21swapper/119:05:091
164872210,0sleep20-21swapper/223:51:152
165112170,0sleep30-21swapper/300:38:183
89522160,0sleep20-21swapper/223:24:042
29732160,2sleep02546999cyclictest22:07:230
29732160,2sleep02546999cyclictest22:07:230
218792160,1sleep021868-21sshd00:01:310
180682160,0sleep10-21swapper/123:38:251
63512150,0sleep10-21swapper/123:53:311
30932150,0sleep20-21swapper/223:26:482
25475991513,1cyclictest29979-21gdbus21:22:551
166242150,0sleep00-21swapper/021:40:240
146862150,1sleep214685-21bash00:16:352
105732150,0sleep00-21swapper/021:52:290
2548299140,12cyclictest18179-21bash22:28:192
2546999144,2cyclictest9-21ksoftirqd/000:14:370
230592140,1sleep023060-21sshd23:48:410
230592140,1sleep023060-21sshd23:48:410
163942140,0sleep30-21swapper/322:54:413
163942140,0sleep30-21swapper/322:54:413
103122140,0sleep10-21swapper/122:44:011
54662130,0sleep30-21swapper/323:00:133
34182130,1sleep0111rcuc/023:53:130
25475991311,1cyclictest699-21gdbus22:05:151
25475991311,1cyclictest699-21gdbus22:05:151
2546999135,2cyclictest9-21ksoftirqd/000:35:080
2546999135,1cyclictest9-21ksoftirqd/023:40:030
2546999135,1cyclictest9-21ksoftirqd/000:16:150
2546999134,1cyclictest9-21ksoftirqd/000:30:490
2546999133,2cyclictest9-21ksoftirqd/023:19:390
2546999133,2cyclictest9-21ksoftirqd/022:10:050
2546999132,2cyclictest9-21ksoftirqd/022:59:050
2546999132,1cyclictest9-21ksoftirqd/023:00:520
2546999132,1cyclictest9-21ksoftirqd/021:18:500
19342130,0sleep20-21swapper/223:43:222
325972120,0sleep20-21swapper/222:49:352
2548699120,1cyclictest0-21swapper/323:23:443
25482991210,1cyclictest2851-21sshd22:59:592
25482991210,1cyclictest23398-21sshd00:11:092
2548299120,1cyclictest623-17sedispatch21:47:292
2548299120,1cyclictest623-17sedispatch21:47:292
2548299120,1cyclictest1026-21sshd21:22:092
25475991211,0cyclictest0-21swapper/123:02:051
2547599120,1cyclictest3763-21sshd23:46:451
2547599120,1cyclictest3763-21sshd23:46:451
2546999125,1cyclictest9-21ksoftirqd/022:50:490
2546999125,1cyclictest9-21ksoftirqd/022:50:490
2546999124,2cyclictest9-21ksoftirqd/023:08:550
2546999124,2cyclictest9-21ksoftirqd/022:42:580
2546999124,2cyclictest9-21ksoftirqd/022:36:210
2546999123,2cyclictest9-21ksoftirqd/022:04:540
2546999123,1cyclictest9-21ksoftirqd/000:28:460
2546999122,2cyclictest9-21ksoftirqd/022:24:270
2546999121,2cyclictest10637-21bash23:57:090
25469991210,1cyclictest0-21swapper/021:25:360
261032110,0sleep10-21swapper/121:38:211
261032110,0sleep10-21swapper/121:38:211
2548699119,1cyclictest660-21avahi-daemon21:14:043
25486991110,0cyclictest0-21swapper/323:06:043
25486991110,0cyclictest0-21swapper/300:01:343
2548699110,10cyclictest0-21swapper/323:13:543
2548699110,10cyclictest0-21swapper/322:19:043
2548699110,10cyclictest0-21swapper/320:25:143
2548699110,0cyclictest0-21swapper/322:06:443
2548699110,0cyclictest0-21swapper/322:06:443
2548299119,1cyclictest15327-21tty22:37:492
2548299119,1cyclictest0-21swapper/221:56:292
2548299110,10cyclictest0-21swapper/222:05:392
2548299110,10cyclictest0-21swapper/222:05:392
2548299110,10cyclictest0-21swapper/221:40:492
25475991110,0cyclictest0-21swapper/100:07:051
2547599110,10cyclictest0-21swapper/121:14:551
2546999115,1cyclictest9-21ksoftirqd/022:48:530
2546999113,2cyclictest9-21ksoftirqd/021:30:460
2546999113,1cyclictest9-21ksoftirqd/023:36:420
2546999112,1cyclictest9-21ksoftirqd/021:58:350
25469991110,0cyclictest0-21swapper/022:15:560
2546999110,1cyclictest27720-21lspci21:35:260
2546999110,1cyclictest27720-21lspci21:35:260
2546999110,1cyclictest0-21swapper/000:08:060
2546999110,10cyclictest0-21swapper/023:25:470
201982110,1sleep120195-21bash00:32:321
97052100,1sleep341-21ksoftirqd/321:25:413
2548699109,0cyclictest0-21swapper/323:34:443
2548699108,1cyclictest674-21dbus-daemon00:11:043
2548699108,1cyclictest31247-21grep21:57:343
2548699108,1cyclictest0-21swapper/322:59:043
2548699100,0cyclictest0-21swapper/323:37:343
2548299109,0cyclictest0-21swapper/223:31:592
2548299109,0cyclictest0-21swapper/223:14:492
2548299109,0cyclictest0-21swapper/223:06:592
2548299109,0cyclictest0-21swapper/219:29:492
2548299109,0cyclictest0-21swapper/200:03:192
2548299108,1cyclictest30087-21timerandwakeup00:30:192
2548299100,0cyclictest0-21swapper/219:43:482
2548299100,0cyclictest0-21swapper/219:20:292
2547599109,0cyclictest0-21swapper/123:42:351
2547599109,0cyclictest0-21swapper/123:29:351
2547599109,0cyclictest0-21swapper/123:09:051
2547599108,1cyclictest2708-21bash00:21:351
2547599108,1cyclictest20926-21lspci00:26:261
2547599100,0cyclictest0-21swapper/123:21:251
2547599100,0cyclictest0-21swapper/121:45:551
2547599100,0cyclictest0-21swapper/121:45:551
2546999109,0cyclictest0-21swapper/019:15:160
2546999104,1cyclictest9-21ksoftirqd/021:10:570
2546999103,2cyclictest9-21ksoftirqd/023:10:580
2546999102,4cyclictest7870-21crond19:45:000
254869998,0cyclictest0-21swapper/322:48:443
254869998,0cyclictest0-21swapper/322:37:443
254869998,0cyclictest0-21swapper/320:35:043
254869997,1cyclictest0-21swapper/322:42:043
254869996,2cyclictest649-21polkitd00:34:573
254829998,0cyclictest0-21swapper/222:42:092
254829998,0cyclictest0-21swapper/222:17:592
254829998,0cyclictest0-21swapper/221:11:292
254829997,1cyclictest624-13audispd21:27:292
254759998,0cyclictest0-21swapper/121:25:351
254759997,1cyclictest403-21sshd23:33:151
254759992,3cyclictest14790-21sshd00:04:021
254699998,0cyclictest0-21swapper/020:40:460
254869987,0cyclictest0-21swapper/320:43:043
254869986,1cyclictest660-21avahi-daemon23:46:083
254869986,1cyclictest660-21avahi-daemon23:46:083
254869986,1cyclictest6322-21lspci22:10:533
254869985,2cyclictest660-21avahi-daemon23:56:183
254869985,2cyclictest660-21avahi-daemon23:27:383
254869985,2cyclictest660-21avahi-daemon21:21:363
254869985,2cyclictest660-21avahi-daemon21:16:093
254869985,2cyclictest29548-21sshd00:05:233
254869984,3cyclictest674-21dbus-daemon23:17:453
254869984,3cyclictest11617-21sshd00:28:383
254869984,1cyclictest5373-21sshd21:45:373
254869984,1cyclictest5373-21sshd21:45:373
254829987,0cyclictest0-21swapper/222:00:292
254829986,1cyclictest25123-21lspci00:20:362
254829986,1cyclictest1280-21lspci23:16:342
254829986,1cyclictest11439-21lspci22:54:102
254829986,1cyclictest11439-21lspci22:54:102
254829985,2cyclictest660-21avahi-daemon22:20:382
254829984,3cyclictest649-21polkitd21:51:512
254829984,2cyclictest660-21avahi-daemon22:10:462
254759987,0cyclictest0-21swapper/122:10:241
254759987,0cyclictest0-21swapper/122:00:051
254759987,0cyclictest0-21swapper/121:32:251
254759986,1cyclictest7639-21sshd22:50:151
254759986,1cyclictest7639-21sshd22:50:151
254759986,1cyclictest25-21ksoftirqd/100:16:331
254759985,2cyclictest660-21avahi-daemon23:16:231
254759985,2cyclictest660-21avahi-daemon21:43:011
254759985,1cyclictest25-21ksoftirqd/123:56:071
254759984,3cyclictest674-21dbus-daemon23:11:231
254759984,3cyclictest660-21avahi-daemon22:55:431
254759984,3cyclictest660-21avahi-daemon22:17:011
254759984,3cyclictest23399-21sshd21:53:451
254699982,1cyclictest9-21ksoftirqd/021:05:000
24894280,0sleep20-21swapper/200:29:562
254869976,0cyclictest0-21swapper/320:50:043
254869976,0cyclictest0-21swapper/319:25:033
254869975,1cyclictest6361-21sshd23:50:133
254869974,2cyclictest674-21dbus-daemon22:02:293
254869972,2cyclictest699-21gdbus00:20:143
254829976,0cyclictest0-21swapper/221:05:492
254829976,0cyclictest0-21swapper/220:12:592
254829976,0cyclictest0-21swapper/219:55:192
254829975,1cyclictest660-21avahi-daemon00:05:472
254829975,1cyclictest649-21polkitd21:30:392
254829975,1cyclictest29623-21sshd00:36:272
254829975,1cyclictest2802-21lspci23:56:232
254829970,6cyclictest20620-21sshd21:19:052
254759976,0cyclictest0-21swapper/120:34:551
254759975,1cyclictest4324-21sshd22:30:121
254759975,1cyclictest4324-21sshd22:30:111
254759975,1cyclictest22638-21sshd00:35:451
254759975,1cyclictest21713-21sshd22:45:101
254759974,2cyclictest660-21avahi-daemon21:16:191
254699972,2cyclictest18787-21if_err_eno120:10:130
254699971,0cyclictest131rcu_sched21:09:460
254869965,0cyclictest0-21swapper/320:19:243
254869963,2cyclictest660-21avahi-daemon20:20:003
254869963,2cyclictest1002-21snmpd20:47:273
254869963,2cyclictest1002-21snmpd19:56:073
254869963,2cyclictest1002-21snmpd19:47:433
254869960,5cyclictest0-21swapper/320:56:243
254869960,5cyclictest0-21swapper/319:41:343
254829964,1cyclictest674-21dbus-daemon20:10:002
254829964,1cyclictest2602-21sed20:50:132
254829963,2cyclictest1002-21snmpd20:42:572
254759965,0cyclictest0-21swapper/120:14:551
254759964,1cyclictest6851-21kernelversion21:00:151
254759964,1cyclictest26204-21crond20:30:001
254759963,2cyclictest1002-21snmpd19:50:221
254759962,1cyclictest0-21swapper/120:54:511
254759960,5cyclictest0-21swapper/120:18:551
254699962,2cyclictest9-21ksoftirqd/020:19:570
254699962,2cyclictest9-21ksoftirqd/020:05:180
254699961,3cyclictest9-21ksoftirqd/019:35:010
254699961,2cyclictest9-21ksoftirqd/020:45:200
254699961,1cyclictest9-21ksoftirqd/019:55:150
254699960,1cyclictest0-21swapper/019:10:010
14557260,1sleep314561-21gltestperf20:00:123
254869953,1cyclictest8701-21sed21:05:133
254869953,1cyclictest6319-21cpu21:00:123
254869953,1cyclictest30912-21missed_timers19:20:143
254869953,1cyclictest10620-21mii-tool19:50:113
254869953,1cyclictest1002-21snmpd20:32:063
254869953,1cyclictest1002-21snmpd20:08:143
254869953,1cyclictest1002-21snmpd19:35:433
254869953,1cyclictest1002-21snmpd19:14:513
254869952,2cyclictest28364-21tr19:15:103
254869952,2cyclictest2091-21tr19:30:123
254869952,2cyclictest1002-21snmpd20:12:053
254829953,1cyclictest8563-21cat19:45:132
254829953,1cyclictest674-21dbus-daemon20:00:002
254829953,1cyclictest1002-21snmpd21:00:462
254829953,1cyclictest1002-21snmpd20:58:332
254829953,1cyclictest1002-21snmpd20:46:482
254829953,1cyclictest1002-21snmpd20:36:362
254829953,1cyclictest1002-21snmpd20:31:142
254829953,1cyclictest1002-21snmpd20:28:022
254829953,1cyclictest1002-21snmpd19:50:312
254829953,1cyclictest1002-21snmpd19:30:492
254829953,1cyclictest1002-21snmpd19:10:242
254829952,2cyclictest1002-21snmpd20:23:532
254829952,2cyclictest1002-21snmpd20:15:562
254829950,1cyclictest5471-21sshd19:35:322
254759953,1cyclictest31014-21cat20:40:131
254759953,1cyclictest20086-21kworker/1:220:20:191
254759953,1cyclictest1705-21sendmail19:41:561
254759953,1cyclictest14707-21cat20:00:131
254759953,1cyclictest1002-21snmpd21:08:101
254759953,1cyclictest1002-21snmpd20:55:151
254759953,1cyclictest1002-21snmpd20:48:331
254759953,1cyclictest1002-21snmpd20:36:061
254759953,1cyclictest1002-21snmpd20:06:471
254759953,1cyclictest1002-21snmpd19:47:071
254759953,1cyclictest1002-21snmpd19:27:161
254759953,1cyclictest1002-21snmpd19:20:331
254759952,2cyclictest699-21gdbus19:55:001
254759952,2cyclictest5520-21taskset19:36:081
254759952,2cyclictest27744-21wc19:15:001
254759950,4cyclictest27142-21taskset19:11:111
254759950,1cyclictest2836-21nfsd419:30:161
254699954,0cyclictest0-21swapper/020:55:060
254699953,1cyclictest1002-21snmpd20:20:050
254699953,1cyclictest1002-21snmpd19:20:060
254699951,2cyclictest9-21ksoftirqd/020:50:020
254699951,2cyclictest9-21ksoftirqd/020:35:120
254699951,2cyclictest9-21ksoftirqd/019:45:170
254699951,2cyclictest9-21ksoftirqd/019:25:010
254699951,1cyclictest9-21ksoftirqd/019:50:100
254699950,3cyclictest9-21ksoftirqd/019:35:110
254699950,1cyclictest9-21ksoftirqd/020:30:000
254699950,1cyclictest9-21ksoftirqd/020:00:180
254699950,1cyclictest0-21swapper/020:25:000
254829942,1cyclictest28393-21tr19:15:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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