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2026-05-11 - 03:57
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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 Mon May 11, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39182980,0sleep13883-21sshd22:28:081
194922910,0sleep10-21swapper/123:05:251
286382830,0sleep228554-21sshd00:12:552
137242810,0sleep10-21swapper/121:36:291
136072660,0sleep30-21swapper/322:23:243
295492580,0sleep10-21swapper/123:53:341
79452560,1sleep27944-21sshd00:02:492
74372530,0sleep00-21swapper/021:55:130
207552520,1sleep220743-21bash23:55:332
125392520,0sleep20-21swapper/222:53:482
60902510,0sleep10-21swapper/100:13:461
304632500,1sleep1231rcuc/100:32:281
209542500,1sleep0642-21systemd-logind23:27:500
197552500,1sleep1231rcuc/123:22:111
197552500,1sleep1231rcuc/123:22:101
166102490,0sleep20-21swapper/200:28:322
163952490,0sleep30-21swapper/322:04:193
155532490,0sleep10-21swapper/100:06:121
110892490,0sleep10-21swapper/100:28:031
110512490,0sleep3391rcuc/300:22:293
44372480,0sleep20-21swapper/222:41:592
37532480,0sleep10-21swapper/100:35:411
213952480,0sleep30-21swapper/322:57:173
195882480,0sleep00-21swapper/000:14:570
132722480,1sleep213269-21sshd22:06:452
70872470,0sleep10-21swapper/122:20:061
202332470,0sleep10-21swapper/123:41:371
279872440,0sleep20-21swapper/200:21:082
2379024131,6sleep20-21swapper/219:09:192
23562390,0sleep30-21swapper/323:23:293
23562390,0sleep30-21swapper/323:23:293
3992380,0sleep00-21swapper/023:59:260
196542320,0sleep20-21swapper/200:34:222
237122287,7sleep30-21swapper/319:08:203
2357622413,7sleep10-21swapper/119:06:331
253412230,0sleep20-21swapper/223:00:202
57142220,0sleep00-21swapper/000:30:180
213662210,0sleep20-21swapper/223:27:522
237632209,7sleep00-21swapper/019:08:560
51912180,1sleep05186-21sshd23:12:360
51912180,1sleep05186-21sshd23:12:360
282252180,0sleep30-21swapper/323:42:203
259882180,1sleep025983-21lspci22:18:580
247332170,0sleep00-21swapper/021:51:100
23692170,0sleep32365-21sed22:25:133
150652170,1sleep125-21ksoftirqd/121:58:391
138052170,0sleep20-21swapper/221:58:322
126552170,0sleep2642-21systemd-logind21:14:152
280682160,2sleep1241ktimersoftd/121:31:431
23956991615,0cyclictest18476-21lspci21:26:390
215332160,0sleep00-21swapper/022:35:110
206012160,1sleep320600-21sshd00:01:053
127962160,0sleep10-21swapper/122:50:591
89842150,0sleep3391rcuc/322:06:223
23956991514,0cyclictest8519-21kworker/0:022:58:050
23956991514,0cyclictest6398-21kworker/0:323:37:470
23956991514,0cyclictest101ktimersoftd/022:40:030
23956991513,1cyclictest7233-21kworker/0:223:31:200
195432150,0sleep30-21swapper/321:36:593
301652140,0sleep30-21swapper/321:48:573
23973991412,1cyclictest674-21dbus-daemon23:27:143
2395699145,1cyclictest9-21ksoftirqd/021:43:000
23956991414,0cyclictest4548-21kworker/0:221:12:210
23956991413,0cyclictest5680-21kworker/0:223:06:450
23956991413,0cyclictest27307-21kworker/0:400:38:570
23956991413,0cyclictest26165-21kworker/0:222:02:460
23956991413,0cyclictest13761-21kworker/0:021:48:340
236012140,0sleep10-21swapper/100:23:351
233172140,1sleep323316-21sshd00:18:003
95722130,0sleep00-21swapper/000:25:110
273652130,0sleep327363-21grepconf.sh00:07:153
240732130,0sleep20-21swapper/222:18:482
23973991311,1cyclictest41-21ksoftirqd/322:31:103
23973991311,1cyclictest26281-21sshd21:23:463
2397399130,12cyclictest20075-21lspci22:35:053
23966991311,1cyclictest0-21swapper/223:43:052
2396699130,1cyclictest0-21swapper/221:47:252
23956991313,0cyclictest6398-21kworker/0:323:41:240
23956991312,1cyclictest12163-21kworker/0:400:16:240
23956991312,0cyclictest28507-21lspci22:10:470
23956991312,0cyclictest26384-21lspci22:21:420
23956991312,0cyclictest13055-21kworker/0:222:32:150
201102130,0sleep00-21swapper/021:19:060
102872130,0sleep20-21swapper/221:17:502
79442120,0sleep20-21swapper/221:44:182
2397399129,2cyclictest0-21swapper/300:13:343
23973991211,0cyclictest13286-21lspci21:18:133
2397399120,11cyclictest0-21swapper/322:45:343
2396699120,1cyclictest25723-21sshd23:14:262
2396699120,1cyclictest25723-21sshd23:14:252
2396699120,11cyclictest0-21swapper/222:02:062
2396099127,3cyclictest660-21avahi-daemon23:00:151
2396099120,1cyclictest14094-21sshd21:14:261
2396099120,11cyclictest19094-21sshd22:43:161
23956991212,0cyclictest23280-21kworker/0:423:17:090
23956991211,0cyclictest28328-21lspci23:00:370
23956991211,0cyclictest19469-21kworker/0:421:38:210
23956991210,1cyclictest22323-21lspci21:23:140
2397399119,1cyclictest3674-21lspci22:44:453
2397399119,1cyclictest31770-21lspci21:43:343
2397399119,1cyclictest0-21swapper/300:34:553
23973991110,0cyclictest22326-21lspci21:11:253
23973991110,0cyclictest14099-21lspci23:55:033
23973991110,0cyclictest0-21swapper/321:28:033
23973991110,0cyclictest0-21swapper/320:45:143
2396699119,1cyclictest29686-21lspci23:20:162
2396699119,1cyclictest29686-21lspci23:20:152
2396699119,1cyclictest11588-21grep21:33:352
2396699110,1cyclictest3655-21sshd23:15:152
2396699110,0cyclictest0-21swapper/219:25:162
2396099119,1cyclictest23758-21sshd22:15:561
2396099119,1cyclictest22344-21sshd00:17:551
23960991110,0cyclictest0-21swapper/123:34:561
2395699114,1cyclictest9-21ksoftirqd/000:05:210
23956991111,0cyclictest2842-21kworker/0:423:46:270
23956991111,0cyclictest101ktimersoftd/021:05:410
23956991110,0cyclictest20658-21kworker/0:123:20:370
23956991110,0cyclictest20658-21kworker/0:123:20:360
23956991110,0cyclictest18255-21lspci00:23:070
2395699110,10cyclictest0-21swapper/021:34:210
2397399109,0cyclictest0-21swapper/322:13:153
2397399108,1cyclictest41-21ksoftirqd/323:38:343
2397399108,1cyclictest41-21ksoftirqd/322:18:593
2397399100,1cyclictest131rcu_sched22:52:093
2396699109,0cyclictest0-21swapper/222:37:152
2396699109,0cyclictest0-21swapper/222:27:462
2396699108,1cyclictest0-21swapper/222:49:252
2396099109,0cyclictest0-21swapper/121:50:061
2396099109,0cyclictest0-21swapper/121:20:051
2396099100,0cyclictest0-21swapper/121:40:251
2395699106,1cyclictest9-21ksoftirqd/000:03:440
2395699101,1cyclictest131rcu_sched23:52:250
23956991010,0cyclictest25049-21kworker/0:422:07:390
2395699100,9cyclictest0-21swapper/019:20:320
2395699100,1cyclictest131rcu_sched22:47:410
169012100,0sleep10-21swapper/123:16:211
6111290,1sleep16089-21sshd22:14:291
239739996,2cyclictest41-21ksoftirqd/323:14:263
239739996,2cyclictest41-21ksoftirqd/323:14:253
239739996,1cyclictest41-21ksoftirqd/323:07:103
239739996,1cyclictest41-21ksoftirqd/300:25:503
239739990,1cyclictest131rcu_sched23:03:183
239669998,0cyclictest0-21swapper/220:50:152
239669998,0cyclictest0-21swapper/200:09:352
239609998,0cyclictest0-21swapper/123:35:461
239609995,3cyclictest30582-21sshd23:45:181
239569998,0cyclictest24775-21lspci22:52:010
239569990,1cyclictest121rcu_preempt22:29:590
13999290,0sleep30-21swapper/321:58:333
239739986,1cyclictest41-21ksoftirqd/323:50:493
239739986,1cyclictest41-21ksoftirqd/321:50:193
239739986,1cyclictest41-21ksoftirqd/300:35:103
239739984,3cyclictest674-21dbus-daemon23:47:273
239739982,3cyclictest41-21ksoftirqd/323:30:233
239739980,7cyclictest28694-21kworker/3:123:16:073
239739980,1cyclictest649-21polkitd21:31:513
239669986,1cyclictest6963-21lspci00:35:582
239669986,1cyclictest33-21ksoftirqd/223:47:082
239669986,1cyclictest32107-21lspci21:20:242
239669986,1cyclictest30945-21lspci22:24:552
239669986,1cyclictest1683-21lspci23:09:322
239669985,2cyclictest660-21avahi-daemon21:35:122
239609987,0cyclictest0-21swapper/122:30:461
239609986,1cyclictest674-21dbus-daemon22:05:341
239609985,2cyclictest660-21avahi-daemon23:57:061
239609985,2cyclictest660-21avahi-daemon22:55:561
239609985,2cyclictest660-21avahi-daemon22:35:161
239609985,2cyclictest660-21avahi-daemon21:46:591
239609985,2cyclictest29979-21gdbus23:27:401
239609985,2cyclictest1-21systemd22:01:061
239609984,3cyclictest660-21avahi-daemon23:10:031
239609984,3cyclictest660-21avahi-daemon23:10:021
239609984,3cyclictest660-21avahi-daemon21:15:311
239569987,0cyclictest0-21swapper/019:45:320
239739976,0cyclictest0-21swapper/320:00:133
239669975,1cyclictest660-21avahi-daemon23:38:382
239669975,1cyclictest660-21avahi-daemon22:56:272
239669975,1cyclictest660-21avahi-daemon22:30:362
239669975,1cyclictest660-21avahi-daemon21:27:252
239669975,1cyclictest620-17auditd21:50:592
239669975,1cyclictest29966-21lspci23:50:462
239669974,2cyclictest660-21avahi-daemon00:15:032
239669974,2cyclictest649-21polkitd22:11:302
239609975,1cyclictest660-21avahi-daemon21:26:021
239609973,1cyclictest0-21swapper/122:45:011
239609972,1cyclictest642-21systemd-logind00:01:201
239569977,0cyclictest26716-21kworker/0:120:36:170
239569977,0cyclictest26002-21kworker/0:119:26:360
239569976,0cyclictest0-21swapper/020:56:310
239569976,0cyclictest0-21swapper/020:50:520
239569974,1cyclictest674-21dbus-daemon20:00:010
239569970,6cyclictest0-21swapper/019:10:520
239569970,4cyclictest14535-21idleruntime-cro20:05:000
239739964,1cyclictest41-21ksoftirqd/320:20:013
239739964,1cyclictest1002-21snmpd20:06:083
239739963,2cyclictest1002-21snmpd21:08:183
239739963,2cyclictest1002-21snmpd20:30:423
239739963,2cyclictest1002-21snmpd19:52:563
239739963,2cyclictest1002-21snmpd19:49:433
239739960,5cyclictest0-21swapper/320:38:433
239739960,5cyclictest0-21swapper/319:59:033
239669965,0cyclictest0-21swapper/220:44:552
239669965,0cyclictest0-21swapper/219:16:262
239669965,0cyclictest0-21swapper/219:16:252
239669964,1cyclictest674-21dbus-daemon21:09:342
239669964,1cyclictest660-21avahi-daemon23:30:042
239669963,2cyclictest1002-21snmpd20:08:502
239669963,2cyclictest1002-21snmpd19:52:582
239669963,2cyclictest1002-21snmpd19:45:282
239669963,2cyclictest1002-21snmpd19:34:592
239609964,1cyclictest28758-21crond20:40:001
239609963,2cyclictest660-21avahi-daemon21:09:351
239609963,2cyclictest1002-21snmpd19:19:281
239609963,2cyclictest1002-21snmpd19:19:271
239569965,0cyclictest0-21swapper/020:30:510
239569965,0cyclictest0-21swapper/019:34:320
239569964,1cyclictest9-21ksoftirqd/020:20:000
239569964,1cyclictest26002-21kworker/0:119:40:190
239569964,1cyclictest26002-21kworker/0:119:35:200
239569963,2cyclictest1002-21snmpd20:25:410
27484250,0sleep20-21swapper/220:35:152
25311250,0sleep10-21swapper/120:30:131
239739953,1cyclictest930-21cat19:30:133
239739953,1cyclictest1002-21snmpd21:00:333
239739953,1cyclictest1002-21snmpd20:57:153
239739953,1cyclictest1002-21snmpd20:40:023
239739953,1cyclictest1002-21snmpd20:25:503
239739953,1cyclictest1002-21snmpd20:15:483
239739953,1cyclictest1002-21snmpd19:40:443
239739953,1cyclictest1002-21snmpd19:35:013
239739953,1cyclictest1002-21snmpd19:26:593
239739953,1cyclictest1002-21snmpd19:15:523
239739953,1cyclictest1002-21snmpd19:15:513
239739953,1cyclictest1002-21snmpd19:10:093
239739952,2cyclictest17258-21mii-tool20:10:123
239739952,2cyclictest1002-21snmpd20:52:143
239739950,0cyclictest0-21swapper/319:22:533
239669954,0cyclictest0-21swapper/220:47:362
239669953,1cyclictest2905-21tr20:55:112
239669953,1cyclictest25420-21cat20:30:142
239669953,1cyclictest24465-21tail19:10:132
239669953,1cyclictest1002-21snmpd20:26:112
239669953,1cyclictest1002-21snmpd19:40:562
239669953,1cyclictest1002-21snmpd19:21:152
239669952,2cyclictest674-21dbus-daemon20:00:592
239669952,2cyclictest19298-21if_err_eno120:15:142
239669952,2cyclictest18701-21cut20:15:002
239669952,2cyclictest1002-21snmpd19:56:412
239669950,4cyclictest0-21swapper/220:23:262
239609954,0cyclictest0-21swapper/120:25:551
239609954,0cyclictest0-21swapper/120:18:351
239609954,0cyclictest0-21swapper/119:30:361
239609953,1cyclictest646-21lsmd19:40:241
239609953,1cyclictest4144-21grep20:55:181
239609953,1cyclictest28765-21/usr/sbin/munin19:20:121
239609953,1cyclictest1705-21sendmail20:40:221
239609953,1cyclictest1200-21cat20:50:131
239609953,1cyclictest1002-21snmpd20:46:211
239609953,1cyclictest1002-21snmpd20:20:181
239609953,1cyclictest1002-21snmpd20:06:381
239609953,1cyclictest1002-21snmpd20:00:341
239609953,1cyclictest1002-21snmpd19:53:581
239609953,1cyclictest1002-21snmpd19:46:161
239609953,1cyclictest1002-21snmpd19:12:011
239609952,2cyclictest1002-21snmpd19:27:371
239609950,0cyclictest0-21swapper/119:36:251
239569955,0cyclictest26002-21kworker/0:119:50:420
239569955,0cyclictest26002-21kworker/0:119:16:230
239569955,0cyclictest26002-21kworker/0:119:16:220
239569955,0cyclictest16532-21kworker/0:220:10:070
239569955,0cyclictest101ktimersoftd/021:03:510
239569953,1cyclictest31462-21idleruntime20:45:150
239569953,1cyclictest14748-21/usr/sbin/munin20:05:140
239569953,1cyclictest1002-21snmpd20:20:060
239569951,1cyclictest131rcu_sched20:39:590
239669942,1cyclictest3135-21sed19:35:142
239669942,1cyclictest0-21swapper/221:00:162
239609942,1cyclictest5254-21cat21:00:141
239609942,1cyclictest17611-21awk20:10:151
239609940,3cyclictest0-21swapper/119:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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