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2025-12-26 - 15:06
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Fri Dec 26, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1220221120,0sleep31-21systemd11:52:493
49842980,2sleep01923499cyclictest10:51:060
73902940,0sleep17391-21sshd10:31:511
61752810,2sleep01923499cyclictest11:24:340
49782720,0sleep10-21swapper/112:28:311
156682590,0sleep20-21swapper/212:20:592
240472560,0sleep20-21swapper/210:41:392
272622550,0sleep10-21swapper/110:53:031
166472550,0sleep10-21swapper/109:53:311
166472550,0sleep10-21swapper/109:53:301
167432540,1sleep016739-21sshd11:25:220
45352530,0sleep30-21swapper/310:45:273
62752520,0sleep1231rcuc/110:10:051
284552510,3sleep128451-21sshd12:36:041
156462510,0sleep1231rcuc/109:39:141
190102490,0sleep10-21swapper/109:32:331
176222490,0sleep20-21swapper/210:46:382
167792490,1sleep00-21swapper/012:12:440
146182490,0sleep20-21swapper/212:34:582
101192490,0sleep10-21swapper/110:37:401
307162480,1sleep230714-21lspci12:08:212
155472480,2sleep31925299cyclictest11:58:413
243582460,0sleep10-21swapper/111:31:361
212302400,0sleep10-21swapper/111:45:131
1827423724,7sleep30-21swapper/307:05:193
319562340,0sleep20-21swapper/211:29:332
287102310,0sleep20-21swapper/212:25:012
69612270,2sleep01923499cyclictest11:41:130
69612270,2sleep01923499cyclictest11:41:120
225832260,0sleep00-21swapper/012:30:030
1902822110,7sleep10-21swapper/107:08:421
1881722110,7sleep20-21swapper/207:06:022
188102219,7sleep00-21swapper/007:05:560
125002200,1sleep1674-21dbus-daemon11:52:511
66772190,0sleep20-21swapper/212:17:282
60262190,0sleep30-21swapper/312:25:463
105632190,3sleep310561-21lspci11:05:223
70532180,1sleep17052-21sshd09:59:361
199362180,1sleep319935-21sshd10:57:573
259992170,1sleep026000-21bash10:30:390
163772170,1sleep1674-21dbus-daemon12:15:261
142632170,0sleep30-21swapper/312:23:443
109342170,0sleep0101ktimersoftd/012:29:020
37782160,0sleep20-21swapper/210:56:322
309522160,0sleep030941-21lspci11:10:010
132522160,0sleep00-21swapper/009:11:250
96692150,0sleep1241ktimersoftd/110:17:271
41992150,0sleep1231rcuc/111:15:581
91572140,0sleep09155-21sshd11:49:490
85392140,0sleep30-21swapper/309:59:453
43412140,0sleep20-21swapper/209:10:022
316042140,0sleep30-21swapper/311:32:133
288352140,0sleep1241ktimersoftd/112:02:371
278872140,0sleep30-21swapper/311:01:223
243242140,0sleep00-21swapper/010:27:470
229602140,0sleep00-21swapper/009:40:010
19247991412,1cyclictest0-21swapper/210:37:452
145882140,0sleep00-21swapper/012:06:560
113022140,0sleep30-21swapper/312:06:383
1924099130,12cyclictest660-21avahi-daemon11:01:411
1923499130,1cyclictest699-21gdbus12:24:240
238232120,1sleep0111rcuc/011:53:500
19252991210,1cyclictest30784-21sshd10:19:483
19252991210,1cyclictest21978-21id11:14:483
1925299120,1cyclictest674-21dbus-daemon10:37:093
1925299120,11cyclictest8171-21sshd11:27:293
1925299120,11cyclictest0-21swapper/310:23:383
1925299120,11cyclictest0-21swapper/309:52:193
1925299120,11cyclictest0-21swapper/309:52:183
1924799120,11cyclictest24934-21bash12:10:352
1924799120,11cyclictest11541-21lspci09:52:562
1924799120,11cyclictest11541-21lspci09:52:552
1924099120,1cyclictest30955-21sshd09:25:211
19234991210,1cyclictest13111-21sshd12:37:340
19234991210,1cyclictest11914-21sshd11:38:540
1923499120,1cyclictest0-21swapper/010:14:040
1923499120,11cyclictest674-21dbus-daemon10:45:140
257762110,1sleep325753-21sshd09:29:493
19252991110,0cyclictest0-21swapper/309:41:493
1925299110,10cyclictest0-21swapper/309:24:283
1925299110,10cyclictest0-21swapper/307:48:183
1924799119,1cyclictest5586-21tty11:16:062
19247991110,0cyclictest0-21swapper/209:33:262
1924799110,1cyclictest9581-21lspci11:52:362
1924799110,10cyclictest0-21swapper/209:28:552
1924799110,0cyclictest0-21swapper/211:44:262
1924799110,0cyclictest0-21swapper/211:44:252
1924799110,0cyclictest0-21swapper/211:36:352
1924799110,0cyclictest0-21swapper/211:05:062
1924799110,0cyclictest0-21swapper/210:32:552
1924099119,1cyclictest315-21lspci11:57:211
1924099110,10cyclictest0-21swapper/109:40:011
19234991110,0cyclictest0-21swapper/012:04:240
19234991110,0cyclictest0-21swapper/009:18:340
1923499110,10cyclictest0-21swapper/011:11:540
116462110,0sleep011616-21sshd11:16:360
1925299108,1cyclictest8511-21sshd10:31:583
1925299108,1cyclictest41-21ksoftirqd/312:32:563
1925299100,0cyclictest0-21swapper/311:42:093
1925299100,0cyclictest0-21swapper/311:42:083
1924799109,0cyclictest0-21swapper/212:01:062
1924799100,0cyclictest0-21swapper/209:42:252
1924099109,0cyclictest0-21swapper/111:40:421
1924099109,0cyclictest0-21swapper/111:40:421
1924099109,0cyclictest0-21swapper/109:48:321
1924099108,1cyclictest1360-21sshd09:15:011
1924099100,9cyclictest0-21swapper/108:18:221
1924099100,0cyclictest0-21swapper/112:06:321
1924099100,0cyclictest0-21swapper/111:13:411
1923499109,0cyclictest0-21swapper/009:43:440
1923499109,0cyclictest0-21swapper/009:23:450
1923499100,0cyclictest0-21swapper/009:56:350
192529998,0cyclictest0-21swapper/312:17:293
192529997,1cyclictest31732-21lspci10:42:193
192529996,2cyclictest660-21avahi-daemon09:32:283
192529995,3cyclictest660-21avahi-daemon10:06:513
192479998,0cyclictest0-21swapper/211:10:152
192479998,0cyclictest0-21swapper/209:19:162
192479997,1cyclictest0-21swapper/210:28:062
192409998,0cyclictest0-21swapper/110:47:011
192409998,0cyclictest0-21swapper/109:20:321
192409997,1cyclictest9801-21crond08:05:001
192409995,3cyclictest649-21polkitd10:58:371
192349998,0cyclictest0-21swapper/010:44:550
192349998,0cyclictest0-21swapper/010:21:040
192349997,1cyclictest0-21swapper/010:58:350
192349991,4cyclictest27897-21munin-run07:30:000
7435280,1sleep15448-21kworker/1:212:14:451
192529987,0cyclictest0-21swapper/310:27:293
192529987,0cyclictest0-21swapper/310:12:493
192529987,0cyclictest0-21swapper/309:13:483
192529986,1cyclictest31006-21sshd11:37:443
192529986,1cyclictest13205-21lspci10:54:403
192529985,2cyclictest674-21dbus-daemon12:03:183
192529985,2cyclictest660-21avahi-daemon12:38:383
192529985,2cyclictest660-21avahi-daemon11:18:433
192529984,3cyclictest674-21dbus-daemon11:21:243
192479987,0cyclictest0-21swapper/209:24:262
192479986,1cyclictest18143-21lspci11:45:002
192479985,2cyclictest699-21gdbus11:20:052
192479985,2cyclictest660-21avahi-daemon12:37:422
192479985,2cyclictest660-21avahi-daemon09:37:142
192479985,2cyclictest27422-21sshd10:50:162
192409987,0cyclictest0-21swapper/110:41:121
192409986,1cyclictest649-21polkitd12:32:551
192409985,2cyclictest660-21avahi-daemon10:22:031
192349987,0cyclictest0-21swapper/011:55:140
192349986,1cyclictest9-21ksoftirqd/012:18:370
192349986,1cyclictest9-21ksoftirqd/011:01:330
192349986,1cyclictest660-21avahi-daemon10:01:510
192349986,1cyclictest660-21avahi-daemon10:01:500
192349985,2cyclictest660-21avahi-daemon09:50:190
192349985,2cyclictest660-21avahi-daemon09:50:190
192349985,2cyclictest660-21avahi-daemon09:46:060
192349985,2cyclictest649-21polkitd10:35:510
192529976,0cyclictest0-21swapper/309:19:393
192529976,0cyclictest0-21swapper/309:08:193
192529976,0cyclictest0-21swapper/308:49:473
192529975,1cyclictest660-21avahi-daemon12:10:313
192529975,1cyclictest660-21avahi-daemon09:35:233
192529975,1cyclictest19891-21sshd10:00:543
192529975,1cyclictest19891-21sshd10:00:533
192529974,2cyclictest674-21dbus-daemon09:45:503
192529974,2cyclictest660-21avahi-daemon11:47:423
192479976,0cyclictest0-21swapper/210:16:362
192479975,1cyclictest660-21avahi-daemon10:23:292
192479975,1cyclictest660-21avahi-daemon07:35:012
192479975,1cyclictest649-21polkitd10:11:372
192479975,1cyclictest5227-21lspci09:55:442
192479975,1cyclictest33-21ksoftirqd/211:55:332
192479974,2cyclictest660-21avahi-daemon11:00:472
192479974,2cyclictest642-21systemd-logind09:47:352
192479974,2cyclictest15917-21sshd10:07:342
192409976,0cyclictest0-21swapper/107:28:221
192409975,1cyclictest660-21avahi-daemon11:25:151
192409975,1cyclictest32520-21tr09:00:111
192409974,2cyclictest660-21avahi-daemon12:20:231
192409974,2cyclictest660-21avahi-daemon10:25:141
192409974,2cyclictest660-21avahi-daemon10:03:231
192409974,2cyclictest660-21avahi-daemon10:03:221
192409974,2cyclictest18954-21sshd11:06:081
192409974,1cyclictest27882-21sshd10:05:181
192409974,1cyclictest26197-21sshd11:37:191
192409972,4cyclictest649-21polkitd11:20:031
192349976,0cyclictest0-21swapper/008:49:250
192349975,1cyclictest649-21polkitd09:27:090
192349975,1cyclictest30287-21sshd10:05:330
192349974,2cyclictest699-21gdbus10:15:230
192349974,2cyclictest660-21avahi-daemon11:30:380
192349974,2cyclictest660-21avahi-daemon09:30:500
192349970,6cyclictest0-21swapper/007:40:050
192529965,0cyclictest0-21swapper/309:03:283
192529965,0cyclictest0-21swapper/308:25:483
192529964,1cyclictest30876-21mii-tool08:55:133
192529963,2cyclictest1002-21snmpd08:34:163
192479964,1cyclictest660-21avahi-daemon08:40:012
192479964,1cyclictest5480-21lspci11:30:032
192479963,2cyclictest660-21avahi-daemon10:00:062
192479963,2cyclictest660-21avahi-daemon10:00:052
192479963,2cyclictest1002-21snmpd07:47:542
192409965,0cyclictest0-21swapper/108:56:421
192409965,0cyclictest0-21swapper/107:44:021
192409964,1cyclictest674-21dbus-daemon09:10:021
192409964,1cyclictest25-21ksoftirqd/108:35:011
192409963,2cyclictest1002-21snmpd08:27:341
192409960,5cyclictest0-21swapper/107:18:011
192349965,0cyclictest0-21swapper/008:05:050
192349964,1cyclictest699-21gdbus07:24:590
192349964,1cyclictest15889-21kworker/0:008:20:010
192349963,2cyclictest1002-21snmpd08:10:490
192349963,2cyclictest1002-21snmpd08:01:430
192349963,2cyclictest1002-21snmpd07:12:320
192529953,1cyclictest32692-21cat07:40:133
192529953,1cyclictest28856-21cat08:50:153
192529953,1cyclictest1705-21sendmail07:26:033
192529953,1cyclictest14261-21cstates08:15:143
192529953,1cyclictest12562-21cat08:10:133
192529953,1cyclictest1015-21runrttasks07:35:243
192529953,1cyclictest1002-21snmpd08:40:443
192529953,1cyclictest1002-21snmpd08:35:043
192529953,1cyclictest1002-21snmpd08:22:013
192529953,1cyclictest1002-21snmpd08:05:553
192529953,1cyclictest1002-21snmpd07:59:063
192529953,1cyclictest1002-21snmpd07:32:153
192529953,1cyclictest1002-21snmpd07:13:483
192529953,1cyclictest0-21swapper/308:00:193
192529953,1cyclictest0-21swapper/307:15:003
192529952,2cyclictest4788-21ntp_states07:50:173
192529952,2cyclictest24182-21tr07:20:123
192479953,1cyclictest477-21cat09:00:132
192479953,1cyclictest4443-21irqstats07:50:162
192479953,1cyclictest32200-21/usr/sbin/munin07:40:112
192479953,1cyclictest28124-21sadc08:50:002
192479953,1cyclictest22711-21cat08:35:142
192479953,1cyclictest18538-21grep08:25:152
192479953,1cyclictest10493-21cat08:05:142
192479953,1cyclictest1002-21snmpd09:07:542
192479953,1cyclictest1002-21snmpd08:55:332
192479953,1cyclictest1002-21snmpd08:50:362
192479953,1cyclictest1002-21snmpd08:11:102
192479953,1cyclictest1002-21snmpd08:01:052
192479953,1cyclictest1002-21snmpd07:55:182
192479953,1cyclictest1002-21snmpd07:32:062
192479953,1cyclictest1002-21snmpd07:13:152
192479952,2cyclictest25650-21sshd07:22:372
192479952,2cyclictest1002-21snmpd08:32:022
192479952,1cyclictest1015-21runrttasks07:25:152
192409954,0cyclictest0-21swapper/108:20:111
192409953,1cyclictest25221-21grep08:40:191
192409953,1cyclictest10856-21cut08:05:161
192409953,1cyclictest1002-21snmpd08:50:231
192409953,1cyclictest1002-21snmpd08:37:491
192409953,1cyclictest1002-21snmpd08:12:341
192409953,1cyclictest1002-21snmpd07:55:421
192409953,1cyclictest1002-21snmpd07:45:301
192409953,1cyclictest1002-21snmpd07:39:281
192409953,1cyclictest1002-21snmpd07:30:151
192409953,1cyclictest1002-21snmpd07:22:271
192409952,2cyclictest4441-21irqstats07:50:151
192409952,2cyclictest3551-21taskset09:05:271
192409952,2cyclictest27588-21unixbench-2d08:45:171
192409952,2cyclictest19537-21tr07:10:121
192349954,0cyclictest0-21swapper/008:37:240
192349953,1cyclictest699-21gdbus08:55:000
192349953,1cyclictest674-21dbus-daemon09:05:000
192349953,1cyclictest6408-21cat07:55:140
192349953,1cyclictest28618-21cat07:30:110
192349953,1cyclictest18666-21cat08:25:150
192349953,1cyclictest1705-21sendmail09:00:010
192349953,1cyclictest1002-21snmpd08:51:260
192349953,1cyclictest1002-21snmpd08:43:390
192349953,1cyclictest1002-21snmpd08:31:080
192349953,1cyclictest1002-21snmpd07:51:280
192349953,1cyclictest1002-21snmpd07:47:060
192349953,1cyclictest1002-21snmpd07:36:180
192349953,1cyclictest1002-21snmpd07:15:370
192349952,2cyclictest16445-21tail08:20:140
14109250,0sleep20-21swapper/208:15:142
192479942,1cyclictest21903-21missed_timers07:15:002
192479942,1cyclictest0-21swapper/208:20:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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