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2026-03-11 - 17:22
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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 Wed Mar 11, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273002940,1sleep3620199cyclictest11:26:243
86092920,1sleep18593-21sshd11:54:571
202332910,0sleep00-21swapper/012:06:510
51072710,0sleep00-21swapper/009:40:270
304742580,0sleep20-21swapper/212:24:112
309542570,0sleep10-21swapper/110:14:331
309542570,0sleep10-21swapper/110:14:331
234912540,0sleep30-21swapper/311:37:013
269552530,0sleep00-21swapper/011:04:290
67172520,0sleep30-21swapper/312:27:363
43382520,0sleep20-21swapper/211:40:492
300732520,0sleep20-21swapper/209:22:102
296482520,0sleep10-21swapper/112:13:091
58912510,1sleep35867-21sshd10:57:133
119742510,0sleep2321ktimersoftd/209:58:362
257192500,0sleep00-21swapper/010:06:590
179972500,0sleep10-21swapper/111:39:201
66282490,0sleep00-21swapper/009:47:360
18552490,1sleep21856-21grepconf.sh11:35:122
177172470,0sleep10-21swapper/112:39:361
110932470,0sleep20-21swapper/210:52:112
123362460,0sleep00-21swapper/011:44:200
109052440,0sleep00-21swapper/011:16:480
520824227,9sleep20-21swapper/207:05:172
248642350,0sleep20-21swapper/211:53:352
580123210,7sleep00-21swapper/007:06:360
59152309,7sleep10-21swapper/107:08:011
59122308,7sleep30-21swapper/307:07:583
116702220,0sleep111603-21sshd11:33:191
92452210,1sleep19242-21lspci10:32:551
210922210,0sleep10-21swapper/109:56:021
69102180,0sleep00-21swapper/010:40:510
324052180,0sleep20-21swapper/212:32:322
225402180,0sleep30-21swapper/309:32:013
242772170,1sleep2674-21dbus-daemon12:29:072
313422160,0sleep30-21swapper/311:48:393
292512160,1sleep3401ktimersoftd/312:13:073
239802160,1sleep123975-21bash11:42:331
151382160,0sleep315139-21grepconf.sh10:41:343
136622160,0sleep30-21swapper/311:33:293
109692160,1sleep00-21swapper/012:19:480
6186991513,1cyclictest15206-21lspci11:47:161
30432140,0sleep20-21swapper/210:24:142
278262140,0sleep127828-21id11:59:191
246302140,0sleep00-21swapper/010:56:010
151002140,0sleep30-21swapper/311:41:463
124222140,0sleep1231rcuc/110:41:201
620199131,11cyclictest710-21NetworkManager12:35:313
620199130,2cyclictest674-21dbus-daemon10:47:303
6195991311,1cyclictest622-13audispd10:06:462
619599130,1cyclictest25752-21lspci11:20:462
6179991312,0cyclictest27454-21lspci10:03:450
51872130,1sleep05189-21bash10:29:540
299642130,0sleep129960-21sshd10:29:151
25082130,1sleep2311rcuc/210:45:572
185362130,0sleep00-21swapper/009:35:060
122652130,0sleep10-21swapper/110:09:041
100492130,0sleep30-21swapper/311:19:323
6201991210,1cyclictest934-21bash09:17:113
6201991210,1cyclictest22318-21lspci12:01:303
620199120,11cyclictest9991-21sshd11:14:003
619599120,1cyclictest8920-21sshd10:27:262
619599120,1cyclictest30117-21sshd09:16:362
6186991210,1cyclictest16311-21grep12:22:581
618699120,0cyclictest0-21swapper/112:08:081
617999120,1cyclictest13241-21bash12:30:520
617999120,11cyclictest31425-21sshd10:18:020
617999120,11cyclictest0-21swapper/012:29:420
617999120,11cyclictest0-21swapper/012:02:220
617999120,11cyclictest0-21swapper/009:59:520
620199119,1cyclictest13348-21bash09:48:203
6201991110,0cyclictest0-21swapper/310:34:313
6201991110,0cyclictest0-21swapper/310:04:413
620199110,10cyclictest0-21swapper/309:43:013
619599110,10cyclictest0-21swapper/210:31:562
618699119,1cyclictest620-17auditd10:52:381
618699119,1cyclictest29966-21sshd12:29:381
6186991110,0cyclictest0-21swapper/109:46:281
618699110,10cyclictest0-21swapper/112:16:171
618699110,10cyclictest0-21swapper/111:19:481
618699110,10cyclictest0-21swapper/108:55:181
617999119,1cyclictest21099-21sshd11:12:120
617999110,10cyclictest30515-21bash10:21:020
617999110,10cyclictest27134-21lspci09:32:310
617999110,0cyclictest24791-21sshd09:53:010
617999110,0cyclictest0-21swapper/012:21:520
617999110,0cyclictest0-21swapper/011:52:110
617999110,0cyclictest0-21swapper/010:54:420
617999110,0cyclictest0-21swapper/010:48:020
207752110,1sleep2311rcuc/212:09:412
620199109,0cyclictest0-21swapper/312:34:213
620199109,0cyclictest0-21swapper/312:21:013
620199109,0cyclictest0-21swapper/311:52:313
620199109,0cyclictest0-21swapper/311:20:113
620199109,0cyclictest0-21swapper/310:53:013
620199109,0cyclictest0-21swapper/309:29:213
620199100,0cyclictest0-21swapper/310:23:313
620199100,0cyclictest0-21swapper/309:54:013
620199100,0cyclictest0-21swapper/309:22:503
619599109,0cyclictest0-21swapper/209:39:462
619599109,0cyclictest0-21swapper/209:10:562
619599108,1cyclictest19502-21sshd11:58:362
618699109,0cyclictest0-21swapper/110:45:581
618699109,0cyclictest0-21swapper/108:25:181
6186991010,0cyclictest0-21swapper/111:13:381
618699100,0cyclictest0-21swapper/109:15:181
618699100,0cyclictest0-21swapper/109:08:081
617999109,0cyclictest0-21swapper/010:31:520
617999108,1cyclictest23181-21id11:23:220
617999100,0cyclictest0-21swapper/009:14:400
9115290,1sleep09121-21sshd11:30:180
62019998,0cyclictest0-21swapper/310:25:013
62019998,0cyclictest0-21swapper/309:59:213
62019998,0cyclictest0-21swapper/308:18:513
62019994,3cyclictest620-17auditd10:05:083
61959997,1cyclictest3161-21sshd09:28:462
61869998,0cyclictest0-21swapper/112:04:381
61869998,0cyclictest0-21swapper/109:43:481
61869998,0cyclictest0-21swapper/107:10:181
61869991,1cyclictest121rcu_preempt12:32:471
61799998,0cyclictest0-21swapper/011:38:020
61799996,2cyclictest660-21avahi-daemon11:26:200
61799990,8cyclictest2820-21sshd11:05:120
61799990,1cyclictest131rcu_sched10:35:240
62019987,0cyclictest0-21swapper/308:51:213
62019987,0cyclictest0-21swapper/308:23:213
62019987,0cyclictest0-21swapper/308:23:203
62019986,1cyclictest28724-21lspci10:37:173
62019985,2cyclictest660-21avahi-daemon11:57:143
62019985,2cyclictest660-21avahi-daemon11:06:293
62019985,2cyclictest660-21avahi-daemon10:15:453
62019985,2cyclictest660-21avahi-daemon10:11:233
62019985,2cyclictest660-21avahi-daemon10:11:223
62019985,2cyclictest649-21polkitd12:15:503
61959987,0cyclictest0-21swapper/211:15:462
61959987,0cyclictest0-21swapper/211:02:362
61959987,0cyclictest0-21swapper/210:10:562
61959987,0cyclictest0-21swapper/210:10:562
61959987,0cyclictest0-21swapper/209:50:262
61959986,1cyclictest699-21gdbus09:31:262
61959986,1cyclictest660-21avahi-daemon10:38:392
61959986,1cyclictest29385-21lspci10:17:482
61959986,1cyclictest28567-21lspci11:45:372
61959986,1cyclictest21189-21grepconf.sh11:25:522
61959986,1cyclictest18785-21sshd11:31:092
61959985,2cyclictest674-21dbus-daemon12:37:512
61959985,2cyclictest660-21avahi-daemon12:04:032
61959985,2cyclictest660-21avahi-daemon11:11:092
61869986,1cyclictest31812-21lspci11:24:061
61869986,1cyclictest25-21ksoftirqd/111:03:561
61869986,1cyclictest12152-21lspci09:37:491
61869985,2cyclictest29149-21sshd10:59:131
61869985,1cyclictest25-21ksoftirqd/111:25:541
61869980,2cyclictest131rcu_sched09:54:201
61869980,1cyclictest19131-21tty10:20:081
61869980,1cyclictest131rcu_sched10:18:591
61869980,1cyclictest121rcu_preempt10:35:071
61799986,1cyclictest9-21ksoftirqd/012:36:260
61799986,1cyclictest9-21ksoftirqd/012:10:540
61799986,1cyclictest660-21avahi-daemon10:14:000
61799986,1cyclictest660-21avahi-daemon10:13:590
61799986,1cyclictest0-21swapper/011:58:520
61799985,2cyclictest660-21avahi-daemon11:45:440
61799982,3cyclictest8188-21perf07:15:000
29280280,1sleep329376-21sshd09:10:523
62019976,0cyclictest0-21swapper/308:57:213
62019976,0cyclictest0-21swapper/307:30:103
62019975,1cyclictest649-21polkitd12:05:023
62019974,2cyclictest642-21systemd-logind09:35:123
62019973,2cyclictest660-21avahi-daemon11:00:023
62019970,0cyclictest0-21swapper/307:50:313
62019970,0cyclictest0-21swapper/307:29:113
61959975,1cyclictest660-21avahi-daemon12:10:042
61959975,1cyclictest660-21avahi-daemon11:05:522
61959975,1cyclictest660-21avahi-daemon09:45:272
61959975,1cyclictest660-21avahi-daemon08:59:542
61959975,1cyclictest24367-21lspci12:15:212
61959974,2cyclictest674-21dbus-daemon10:55:262
61959974,2cyclictest674-21dbus-daemon10:40:422
61959974,2cyclictest674-21dbus-daemon09:40:122
61959974,2cyclictest660-21avahi-daemon10:00:272
61869975,1cyclictest674-21dbus-daemon09:20:571
61869975,1cyclictest660-21avahi-daemon09:32:251
61869975,1cyclictest25-21ksoftirqd/109:14:571
61869973,3cyclictest660-21avahi-daemon11:06:021
61869973,3cyclictest649-21polkitd10:00:101
61869970,6cyclictest0-21swapper/108:14:571
61799976,0cyclictest0-21swapper/009:28:210
61799975,1cyclictest660-21avahi-daemon09:15:460
61799974,2cyclictest660-21avahi-daemon09:20:580
23872270,0sleep00-21swapper/007:50:160
16198270,5sleep116315-21sshd09:25:191
62019965,0cyclictest0-21swapper/309:00:313
62019963,2cyclictest1002-21snmpd08:46:303
62019960,5cyclictest0-21swapper/308:43:103
62019960,5cyclictest0-21swapper/308:28:113
61959965,0cyclictest0-21swapper/208:49:262
61959963,2cyclictest1002-21snmpd09:00:512
61959963,2cyclictest1002-21snmpd08:20:472
61959963,2cyclictest1002-21snmpd08:20:472
61959963,2cyclictest1002-21snmpd07:24:042
61869964,1cyclictest674-21dbus-daemon07:50:001
61869963,2cyclictest1002-21snmpd08:31:101
61869963,2cyclictest1002-21snmpd07:38:431
61869962,1cyclictest0-21swapper/108:38:011
61799964,1cyclictest9-21ksoftirqd/007:30:000
16491260,0sleep00-21swapper/008:50:180
7212250,1sleep37218-21cpuspeed_turbos08:30:113
62019953,1cyclictest25695-21cat07:55:133
62019953,1cyclictest1705-21sendmail07:10:363
62019953,1cyclictest1002-21snmpd08:10:503
62019953,1cyclictest1002-21snmpd07:46:403
62019953,1cyclictest1002-21snmpd07:35:343
62019953,1cyclictest1002-21snmpd07:24:553
62019953,1cyclictest1002-21snmpd07:16:123
62019952,2cyclictest28597-21grep08:00:203
62019952,2cyclictest1002-21snmpd08:35:023
62019952,2cyclictest1002-21snmpd08:06:293
62019951,1cyclictest0-21swapper/309:05:003
61959954,0cyclictest0-21swapper/209:06:262
61959953,1cyclictest646-21lsmd07:25:462
61959953,1cyclictest27766-21cat08:00:132
61959953,1cyclictest11232-21/usr/sbin/munin08:40:132
61959953,1cyclictest1088-21ntpd07:50:172
61959953,1cyclictest1002-21snmpd08:51:212
61959953,1cyclictest1002-21snmpd08:38:512
61959953,1cyclictest1002-21snmpd08:32:522
61959953,1cyclictest1002-21snmpd08:25:202
61959953,1cyclictest1002-21snmpd08:12:162
61959953,1cyclictest1002-21snmpd07:56:102
61959953,1cyclictest1002-21snmpd07:48:512
61959953,1cyclictest1002-21snmpd07:40:552
61959953,1cyclictest1002-21snmpd07:37:312
61959953,1cyclictest1002-21snmpd07:31:122
61959953,1cyclictest1002-21snmpd07:17:552
61959953,1cyclictest1002-21snmpd07:10:272
61959953,1cyclictest0-21swapper/208:05:172
61959952,2cyclictest1468-21if_eno108:15:132
61869953,1cyclictest660-21avahi-daemon08:53:201
61869953,1cyclictest646-21lsmd08:07:021
61869953,1cyclictest6355-21kworker/1:207:20:181
61869953,1cyclictest22226-21smartctl07:45:151
61869953,1cyclictest15554-21cat07:30:131
61869953,1cyclictest13752-21cat08:45:131
61869953,1cyclictest1002-21snmpd09:01:571
61869953,1cyclictest1002-21snmpd08:40:031
61869953,1cyclictest1002-21snmpd08:00:051
61869953,1cyclictest1002-21snmpd07:55:101
61869953,1cyclictest1002-21snmpd07:42:131
61869953,1cyclictest1002-21snmpd07:25:581
61799953,1cyclictest9-21ksoftirqd/008:45:010
61799953,1cyclictest7585-21idleruntime08:30:130
61799953,1cyclictest1002-21snmpd09:07:090
61799953,1cyclictest1002-21snmpd09:01:060
61799953,1cyclictest1002-21snmpd08:55:180
61799953,1cyclictest1002-21snmpd08:48:050
61799953,1cyclictest1002-21snmpd08:36:510
61799953,1cyclictest1002-21snmpd08:26:590
61799953,1cyclictest1002-21snmpd08:20:410
61799953,1cyclictest1002-21snmpd08:20:400
61799953,1cyclictest1002-21snmpd08:17:530
61799953,1cyclictest1002-21snmpd08:11:230
61799953,1cyclictest1002-21snmpd08:07:230
61799953,1cyclictest1002-21snmpd07:45:490
61799953,1cyclictest1002-21snmpd07:31:070
61799953,1cyclictest1002-21snmpd07:22:000
61799953,1cyclictest1002-21snmpd07:15:000
61799952,2cyclictest27689-21cut08:00:120
61799952,2cyclictest1002-21snmpd07:56:130
17536250,0sleep00-21swapper/007:35:150
62019942,1cyclictest19348-21expr07:40:133
61869942,1cyclictest8534-21cpu07:15:001
61869942,1cyclictest3589-21cat08:20:141
61869942,1cyclictest3589-21cat08:20:141
61869942,1cyclictest1002-21snmpd08:15:111
61799942,1cyclictest19163-21cpu07:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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