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2026-04-23 - 13:45
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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 Thu Apr 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243852960,0sleep024361-21sshd11:10:470
6662890,2sleep21517799cyclictest09:33:252
124442880,0sleep0642-21systemd-logind10:14:040
211892800,0sleep30-21swapper/311:01:133
235812750,2sleep31518399cyclictest10:42:553
174332730,2sleep01516699cyclictest09:15:480
252322720,0sleep10-21swapper/110:55:221
289342560,0sleep20-21swapper/210:58:562
228562560,1sleep11-21systemd11:26:111
85852550,0sleep10-21swapper/110:50:421
24932550,0sleep10-21swapper/109:29:511
63492540,1sleep2674-21dbus-daemon12:14:062
323032540,0sleep30-21swapper/311:24:053
317192540,0sleep20-21swapper/210:37:302
317192540,0sleep20-21swapper/210:37:292
120702540,0sleep00-21swapper/011:43:440
16032530,0sleep00-21swapper/010:09:590
230492520,0sleep00-21swapper/010:18:080
239892510,0sleep20-21swapper/211:20:112
206942510,0sleep220695-21bash10:24:072
273912500,0sleep20-21swapper/209:13:102
203112500,0sleep020289-21sshd10:24:050
74592490,0sleep00-21swapper/011:52:340
253832490,0sleep20-21swapper/210:43:062
143862490,0sleep00-21swapper/010:57:300
297582480,0sleep029754-21lspci11:57:460
171412480,0sleep317124-21lspci11:10:113
68702470,0sleep06866-21sshd12:17:130
133812470,0sleep30-21swapper/312:35:053
150282460,0sleep00-21swapper/009:49:410
121672460,0sleep10-21swapper/111:19:011
160112450,0sleep20-21swapper/212:29:452
159442420,1sleep215943-21sshd11:47:102
217972400,0sleep20-21swapper/211:19:592
132842308,7sleep10-21swapper/107:05:101
149262287,7sleep00-21swapper/007:08:130
1474622210,7sleep30-21swapper/307:05:553
138642220,0sleep10-21swapper/111:12:581
143412218,7sleep20-21swapper/207:05:182
141462200,0sleep10-21swapper/109:55:391
9522190,0sleep20-21swapper/210:15:582
56122190,2sleep11517299cyclictest11:55:221
134302170,0sleep00-21swapper/011:09:510
92812160,0sleep00-21swapper/010:41:320
211662160,0sleep30-21swapper/309:35:103
159672160,0sleep30-21swapper/310:54:363
139692160,0sleep1231rcuc/110:14:141
115552160,0sleep10-21swapper/112:08:241
304462150,0sleep30-21swapper/312:33:453
180162150,0sleep10-21swapper/112:18:181
176062150,0sleep00-21swapper/010:02:110
45472140,0sleep20-21swapper/212:16:582
223152140,0sleep20-21swapper/209:24:242
19852140,0sleep00-21swapper/012:39:430
157562140,1sleep10-21swapper/109:37:241
79402130,0sleep00-21swapper/011:15:240
302782130,0sleep10-21swapper/110:06:281
299462130,0sleep10-21swapper/110:49:471
253632130,0sleep00-21swapper/011:26:260
250592130,0sleep00-21swapper/011:04:480
191342130,0sleep319108-21sshd09:20:043
161882130,0sleep20-21swapper/209:15:382
114842130,0sleep30-21swapper/310:29:253
3992120,0sleep10-21swapper/112:31:071
15183991210,1cyclictest17989-21sshd09:15:533
15183991210,1cyclictest13636-21lspci10:17:133
1518399120,1cyclictest8539-21sshd10:38:243
1518399120,1cyclictest8539-21sshd10:38:233
15177991212,0cyclictest527-40kipmi007:58:542
15177991210,1cyclictest321ktimersoftd/209:29:552
15177991210,1cyclictest30205-21grep11:14:342
1517799120,0cyclictest0-21swapper/212:09:432
15172991210,1cyclictest674-21dbus-daemon10:44:451
15172991210,1cyclictest0-21swapper/110:27:061
1517299120,11cyclictest622-13audispd11:43:051
1517299120,11cyclictest1-21systemd10:18:351
1517299120,11cyclictest0-21swapper/111:33:451
1517299120,11cyclictest0-21swapper/109:11:551
1517299120,11cyclictest0-21swapper/107:10:251
15166991210,1cyclictest27583-21sshd12:13:010
1516699120,1cyclictest24144-21sshd10:30:310
1518399119,1cyclictest4140-21bash10:47:143
1518399119,1cyclictest0-21swapper/311:50:143
1518399117,1cyclictest15884-21bash11:56:243
1518399110,10cyclictest0-21swapper/312:17:043
1518399110,10cyclictest0-21swapper/311:26:433
1518399110,10cyclictest0-21swapper/310:24:333
1517799119,1cyclictest7140-21lspci11:06:042
1517799119,1cyclictest0-21swapper/210:32:332
1517799116,1cyclictest33-21ksoftirqd/210:06:042
15177991110,0cyclictest0-21swapper/210:45:142
15177991110,0cyclictest0-21swapper/208:50:132
1517799110,10cyclictest0-21swapper/212:35:032
1517799110,0cyclictest0-21swapper/211:58:132
1517799110,0cyclictest0-21swapper/210:51:432
1517299119,1cyclictest9465-21bash11:52:461
1517299117,2cyclictest15755-21sshd10:35:551
1517299117,2cyclictest15755-21sshd10:35:551
15166991110,0cyclictest0-21swapper/012:33:210
15166991110,0cyclictest0-21swapper/012:02:410
15166991110,0cyclictest0-21swapper/011:46:310
1516699110,10cyclictest0-21swapper/009:40:410
1516699110,10cyclictest0-21swapper/007:37:310
1518399109,0cyclictest0-21swapper/311:07:033
1518399109,0cyclictest0-21swapper/310:59:043
1518399109,0cyclictest0-21swapper/309:46:243
1518399108,1cyclictest21830-21bash12:27:253
1518399108,1cyclictest12865-21lspci09:34:293
1518399106,3cyclictest660-21avahi-daemon11:35:173
1518399100,0cyclictest0-21swapper/311:49:043
1518399100,0cyclictest0-21swapper/310:30:433
1518399100,0cyclictest0-21swapper/309:27:533
1517799109,0cyclictest321ktimersoftd/211:54:282
1517799109,0cyclictest0-21swapper/209:36:432
1517799108,1cyclictest28308-21lspci09:47:502
1517799108,1cyclictest12596-21sshd11:03:332
1517299109,0cyclictest0-21swapper/112:35:451
1517299109,0cyclictest0-21swapper/112:13:051
1517299108,1cyclictest3971-21sshd11:05:451
1517299108,1cyclictest0-21swapper/111:45:251
1517299107,2cyclictest674-21dbus-daemon12:24:551
1516699109,0cyclictest0-21swapper/012:06:310
1516699109,0cyclictest0-21swapper/010:25:320
1516699109,0cyclictest0-21swapper/009:53:410
1516699109,0cyclictest0-21swapper/009:25:510
1516699109,0cyclictest0-21swapper/009:12:420
1516699109,0cyclictest0-21swapper/008:31:320
1516699100,0cyclictest0-21swapper/011:31:010
1516699100,0cyclictest0-21swapper/011:20:510
2808290,0sleep30-21swapper/309:10:113
18924290,0sleep10-21swapper/109:50:021
151839998,0cyclictest0-21swapper/312:14:253
151839998,0cyclictest0-21swapper/311:18:033
151779998,0cyclictest8898-21lspci11:40:162
151779998,0cyclictest321ktimersoftd/212:24:152
151779998,0cyclictest17392-21lspci09:55:582
151779998,0cyclictest0-21swapper/210:27:342
151779997,1cyclictest33-21ksoftirqd/212:31:532
151779997,1cyclictest33-21ksoftirqd/212:02:312
151779997,1cyclictest33-21ksoftirqd/211:39:552
151779997,1cyclictest33-21ksoftirqd/211:30:122
151779997,1cyclictest33-21ksoftirqd/210:14:582
151779996,2cyclictest660-21avahi-daemon11:25:012
151779990,8cyclictest11305-21kworker/2:009:40:112
151779990,1cyclictest33-21ksoftirqd/209:54:292
151729998,0cyclictest0-21swapper/112:02:451
151729998,0cyclictest0-21swapper/107:35:151
151729997,1cyclictest0-21swapper/111:03:061
151669998,0cyclictest0-21swapper/009:35:320
151669998,0cyclictest0-21swapper/007:25:320
151669997,1cyclictest1926-21sshd10:47:010
18624280,1sleep3674-21dbus-daemon09:53:043
16712280,2sleep31518399cyclictest12:02:423
151839987,0cyclictest0-21swapper/308:25:133
151839986,1cyclictest3410-21lspci12:07:363
151839985,2cyclictest674-21dbus-daemon09:55:163
151839985,2cyclictest660-21avahi-daemon12:22:203
151839985,2cyclictest660-21avahi-daemon10:11:063
151839985,2cyclictest660-21avahi-daemon09:40:443
151839985,2cyclictest19725-21lspci11:44:293
151839981,6cyclictest28180-21systemd-cgroups10:09:253
151779986,1cyclictest660-21avahi-daemon10:00:282
151729986,1cyclictest642-21systemd-logind09:43:261
151729986,1cyclictest24688-21lspci10:21:211
151729985,2cyclictest660-21avahi-daemon11:39:251
151729985,2cyclictest660-21avahi-daemon10:32:391
151729985,2cyclictest660-21avahi-daemon09:46:281
151729985,2cyclictest660-21avahi-daemon09:31:391
151729984,2cyclictest9396-21sshd09:22:471
151669987,0cyclictest0-21swapper/008:55:420
151669987,0cyclictest0-21swapper/008:45:310
151669986,1cyclictest0-21swapper/009:32:110
151669985,2cyclictest660-21avahi-daemon10:38:360
151669985,2cyclictest660-21avahi-daemon10:38:350
151669985,2cyclictest660-21avahi-daemon09:09:450
151669984,3cyclictest660-21avahi-daemon12:24:470
151669980,7cyclictest0-21swapper/008:15:510
151839974,2cyclictest660-21avahi-daemon10:00:333
151839974,1cyclictest649-21polkitd11:30:073
151779976,0cyclictest0-21swapper/208:37:432
151779976,0cyclictest0-21swapper/207:46:032
151729975,1cyclictest3145-21lspci11:21:121
151729975,1cyclictest25-21ksoftirqd/110:01:381
151729974,2cyclictest660-21avahi-daemon12:25:041
151729974,1cyclictest3505-21sshd09:18:081
151669975,1cyclictest649-21polkitd09:23:330
151669975,1cyclictest13254-21lspci09:55:330
151669975,1cyclictest1-21systemd12:25:360
151669974,2cyclictest674-21dbus-daemon10:50:080
151669973,3cyclictest3472-21lspci11:36:420
151669970,6cyclictest0-21swapper/007:54:520
151669970,3cyclictest19804-21kworker/u8:008:40:000
151839964,1cyclictest674-21dbus-daemon09:09:473
151839963,2cyclictest1002-21snmpd09:02:053
151839963,2cyclictest1002-21snmpd08:10:403
151839963,2cyclictest1002-21snmpd07:12:383
151779965,0cyclictest0-21swapper/208:45:432
151779964,1cyclictest674-21dbus-daemon09:09:442
151779964,1cyclictest674-21dbus-daemon08:09:592
151779960,5cyclictest0-21swapper/208:12:332
151729965,0cyclictest0-21swapper/108:26:251
151729964,1cyclictest660-21avahi-daemon09:09:441
151729964,1cyclictest632-21ntp_states07:50:161
151729963,2cyclictest1002-21snmpd08:32:021
151729963,2cyclictest1002-21snmpd08:04:521
151669965,0cyclictest0-21swapper/007:55:110
151669965,0cyclictest0-21swapper/007:32:010
151669963,2cyclictest1002-21snmpd08:53:350
151669963,2cyclictest1002-21snmpd07:45:150
151669960,0cyclictest0-21swapper/007:13:410
151839954,0cyclictest0-21swapper/308:35:233
151839954,0cyclictest0-21swapper/308:17:543
151839953,1cyclictest29457-21grep07:40:193
151839953,1cyclictest22506-21cat07:25:133
151839953,1cyclictest1002-21snmpd08:50:593
151839953,1cyclictest1002-21snmpd08:46:443
151839953,1cyclictest1002-21snmpd08:31:373
151839953,1cyclictest1002-21snmpd08:20:163
151839953,1cyclictest1002-21snmpd08:05:493
151839953,1cyclictest1002-21snmpd08:00:443
151839953,1cyclictest1002-21snmpd07:36:193
151839953,1cyclictest1002-21snmpd07:30:393
151839953,1cyclictest1002-21snmpd07:20:093
151839952,2cyclictest31766-21taskset07:47:393
151839952,2cyclictest18630-21cat07:15:163
151839952,2cyclictest18630-21cat07:15:153
151839952,2cyclictest1002-21snmpd08:41:273
151839950,4cyclictest27142-21cut08:55:143
151839950,4cyclictest0-21swapper/307:54:233
151779955,0cyclictest321ktimersoftd/207:50:032
151779954,0cyclictest0-21swapper/208:41:342
151779953,1cyclictest649-21polkitd07:20:002
151779953,1cyclictest24550-21cat07:30:142
151779953,1cyclictest22508-21cat07:25:142
151779953,1cyclictest18444-21cat07:15:152
151779953,1cyclictest18444-21cat07:15:142
151779953,1cyclictest1705-21sendmail08:30:182
151779953,1cyclictest1088-21ntpd08:55:152
151779953,1cyclictest1082-21lldpd07:11:232
151779953,1cyclictest1002-21snmpd08:21:102
151779953,1cyclictest1002-21snmpd08:17:382
151779953,1cyclictest1002-21snmpd07:44:152
151779953,1cyclictest1002-21snmpd07:35:042
151779952,2cyclictest29038-21cat09:00:142
151779952,2cyclictest14855-21grep08:25:152
151779950,4cyclictest4065-21expr08:00:112
151729953,1cyclictest699-21gdbus07:25:011
151729953,1cyclictest649-21polkitd08:40:001
151729953,1cyclictest5964-21/usr/sbin/munin08:05:191
151729953,1cyclictest1082-21lldpd08:51:341
151729953,1cyclictest1002-21snmpd08:55:151
151729953,1cyclictest1002-21snmpd08:45:351
151729953,1cyclictest1002-21snmpd08:21:191
151729953,1cyclictest1002-21snmpd08:15:591
151729953,1cyclictest1002-21snmpd07:57:401
151729953,1cyclictest1002-21snmpd07:49:091
151729953,1cyclictest1002-21snmpd07:44:061
151729953,1cyclictest1002-21snmpd07:23:181
151729953,1cyclictest1002-21snmpd07:15:171
151729953,1cyclictest1002-21snmpd07:15:171
151729952,2cyclictest1002-21snmpd09:03:261
151729950,4cyclictest8874-21ntp_states08:10:161
151729950,1cyclictest24059-21/usr/sbin/munin07:30:181
151669953,1cyclictest6417-21cat08:05:140
151669953,1cyclictest1088-21ntpd07:15:010
151669953,1cyclictest1088-21ntpd07:15:000
151669953,1cyclictest1002-21snmpd08:41:110
151669953,1cyclictest1002-21snmpd08:00:520
151669953,1cyclictest1002-21snmpd07:40:090
151669953,1cyclictest1002-21snmpd07:22:360
151669952,2cyclictest8400-21hostname08:10:130
151669952,2cyclictest674-21dbus-daemon08:25:000
151669952,2cyclictest1002-21snmpd08:28:130
151839941,2cyclictest674-21dbus-daemon07:55:003
151729942,1cyclictest18316-21cpuspeed_turbos08:35:101
151669942,1cyclictest0-21swapper/009:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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