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2026-04-07 - 07:12
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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 all highest latencies:
System rack2slot0.osadl.org (updated Tue Apr 07, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197042760,1sleep0101ktimersoftd/022:02:100
96212740,2sleep32273299cyclictest21:55:433
192062710,0sleep20-21swapper/222:40:562
305142600,0sleep20-21swapper/200:10:442
179092580,0sleep20-21swapper/223:14:092
80562560,0sleep00-21swapper/000:06:020
268802560,0sleep00-21swapper/022:58:160
210272560,0sleep321005-21sshd22:05:043
139282560,0sleep213931-21kworker/u8:123:22:062
276322550,0sleep00-21swapper/022:30:330
34102520,0sleep10-21swapper/122:56:131
221822520,0sleep10-21swapper/123:36:431
116742520,0sleep30-21swapper/322:23:433
75442510,0sleep17531-21cp00:36:351
232262510,0sleep00-21swapper/023:11:460
111232510,0sleep30-21swapper/322:59:443
25572500,0sleep2321ktimersoftd/221:35:402
49482490,0sleep30-21swapper/321:21:193
287822490,0sleep20-21swapper/200:24:352
160712480,2sleep22273199cyclictest00:17:532
227842440,1sleep122779-21sshd00:18:281
13642380,0sleep30-21swapper/321:46:433
2152323327,3sleep20-21swapper/219:05:162
208232309,7sleep30-21swapper/319:05:053
223742287,7sleep10-21swapper/119:06:551
263172210,0sleep00-21swapper/023:50:550
252582210,0sleep20-21swapper/200:29:512
222462218,7sleep00-21swapper/019:05:220
41722190,0sleep00-21swapper/021:41:220
325612190,2sleep32273299cyclictest23:54:203
281732180,0sleep2311rcuc/223:51:062
135152180,2sleep02272699cyclictest23:30:220
258542170,1sleep21-21systemd23:48:092
22731991615,0cyclictest321ktimersoftd/200:38:312
22731991615,0cyclictest23957-21lspci22:35:492
20422160,1sleep22039-21sshd23:01:392
16952160,0sleep20-21swapper/223:18:182
152772160,1sleep10-21swapper/123:52:491
22731991514,0cyclictest28965-21lspci00:07:532
22731991514,0cyclictest1152-21lspci21:13:032
198112150,0sleep10-21swapper/122:27:101
197962150,0sleep00-21swapper/022:21:360
194742150,0sleep3624-13audispd23:22:353
159912150,1sleep115973-21sshd21:36:521
316212140,0sleep031622-21grepconf.sh22:53:090
263622140,0sleep30-21swapper/321:35:003
244342140,1sleep024431-21sshd21:11:550
2273099141,12cyclictest0-21swapper/121:11:241
2273099140,13cyclictest22812-21sshd21:45:431
2272699140,1cyclictest23342-21sshd21:15:380
284262130,0sleep10-21swapper/100:32:511
2273199135,1cyclictest33-21ksoftirqd/223:29:002
2273199135,1cyclictest33-21ksoftirqd/221:45:162
22731991312,0cyclictest26357-21lspci22:22:102
22731991312,0cyclictest0-21swapper/222:58:012
22730991311,1cyclictest0-21swapper/123:12:041
222592130,0sleep022261-21bash23:17:150
17542130,0sleep20-21swapper/220:55:112
86642120,0sleep00-21swapper/000:00:290
32252120,0sleep10-21swapper/122:20:121
22732991210,1cyclictest620-17auditd23:37:173
2273299120,11cyclictest401ktimersoftd/300:15:373
2273299120,11cyclictest20363-21id21:42:473
2273299120,11cyclictest18869-21sshd22:46:273
2273299120,11cyclictest10069-21sshd23:13:273
2273199123,1cyclictest33-21ksoftirqd/221:56:252
22731991212,0cyclictest321ktimersoftd/223:39:182
22731991211,0cyclictest410-21lspci22:06:012
22731991211,0cyclictest20081-21lspci22:49:232
22731991210,1cyclictest12552-21lspci22:29:222
22730991210,1cyclictest30850-21sshd23:34:451
22730991210,1cyclictest0-21swapper/122:09:031
2273099120,1cyclictest0-21swapper/122:54:041
2273099120,11cyclictest25846-21sshd22:19:231
2273099120,11cyclictest2481-21sshd23:57:151
22726991210,1cyclictest32523-21cp22:19:590
2272699120,1cyclictest29979-21gdbus00:16:180
2272699120,1cyclictest0-21swapper/022:44:490
2272699120,11cyclictest0-21swapper/021:50:390
2272699120,11cyclictest0-21swapper/021:28:290
2273299119,1cyclictest642-21systemd-logind23:48:573
2273299119,1cyclictest31540-21sshd22:53:083
2273299119,1cyclictest20219-21lspci22:35:283
2273299110,10cyclictest20833-21sshd23:03:183
2273299110,10cyclictest0-21swapper/300:32:083
2273199119,1cyclictest29362-21sshd22:50:122
2273199114,1cyclictest33-21ksoftirqd/200:31:572
22731991111,0cyclictest321ktimersoftd/222:16:592
22731991110,0cyclictest0-21swapper/223:07:012
2273199110,10cyclictest0-21swapper/221:44:112
2273099119,1cyclictest7779-21sshd00:22:451
22730991110,0cyclictest0-21swapper/100:06:551
2273099110,10cyclictest0-21swapper/123:03:041
2273099110,10cyclictest0-21swapper/122:40:441
2273099110,10cyclictest0-21swapper/122:03:041
2273099110,10cyclictest0-21swapper/121:33:031
2273099110,0cyclictest0-21swapper/123:22:141
2272699119,1cyclictest4815-21lspci22:14:480
2272699119,1cyclictest32550irq/27-ahci[00022:07:380
22726991110,0cyclictest14656-21sshd23:08:190
2272699110,1cyclictest6193-21bash00:39:190
2272699110,1cyclictest14244-21sshd21:56:070
2272699110,10cyclictest6038-21sshd21:38:490
271762100,0sleep30-21swapper/322:25:033
2273299109,0cyclictest0-21swapper/321:31:173
2273299109,0cyclictest0-21swapper/321:19:173
2273299100,9cyclictest0-21swapper/320:54:573
2273299100,0cyclictest0-21swapper/322:40:573
2273199109,0cyclictest0-21swapper/221:25:312
2273199109,0cyclictest0-21swapper/221:23:322
2273199107,1cyclictest33-21ksoftirqd/223:40:162
2273199103,1cyclictest33-21ksoftirqd/200:03:442
2273199102,1cyclictest33-21ksoftirqd/221:54:252
2273199100,1cyclictest131rcu_sched23:55:422
2273099109,0cyclictest13255-21sshd23:49:541
2273099109,0cyclictest0-21swapper/122:35:131
2273099109,0cyclictest0-21swapper/119:43:141
2273099108,1cyclictest674-21dbus-daemon21:41:231
2272699108,1cyclictest18273-21cp00:23:390
2272699100,0cyclictest0-21swapper/021:20:280
227329998,0cyclictest0-21swapper/322:16:273
227329998,0cyclictest0-21swapper/321:14:273
227329997,1cyclictest465-21sshd00:35:573
227329996,2cyclictest41-21ksoftirqd/300:01:553
227329995,3cyclictest660-21avahi-daemon23:30:383
227329990,0cyclictest0-21swapper/320:49:573
227319998,0cyclictest0-21swapper/219:50:222
227319997,1cyclictest33-21ksoftirqd/223:32:362
227319997,1cyclictest33-21ksoftirqd/221:17:212
227319997,1cyclictest22453-21systemd-cgroups21:34:412
227319991,0cyclictest131rcu_sched22:02:182
227319990,0cyclictest131rcu_sched22:30:032
227309997,1cyclictest2059-21sshd21:17:031
227309994,4cyclictest660-21avahi-daemon00:01:531
227269998,0cyclictest28833-21sshd00:30:080
227269998,0cyclictest0-21swapper/022:38:080
227269998,0cyclictest0-21swapper/022:26:190
227269998,0cyclictest0-21swapper/021:30:280
227269998,0cyclictest0-21swapper/019:15:190
227329987,0cyclictest0-21swapper/320:06:173
227329987,0cyclictest0-21swapper/319:26:583
227329986,1cyclictest23597-21lspci00:21:163
227329986,1cyclictest12974-21lspci23:55:193
227329986,1cyclictest12011-21lspci00:11:573
227329986,1cyclictest10131-21lspci23:07:553
227329986,1cyclictest0-21swapper/322:11:183
227329985,2cyclictest660-21avahi-daemon23:40:163
227329985,2cyclictest660-21avahi-daemon23:16:153
227329985,2cyclictest660-21avahi-daemon22:32:153
227329985,2cyclictest660-21avahi-daemon00:28:323
227329985,2cyclictest660-21avahi-daemon00:09:003
227319987,0cyclictest0-21swapper/220:37:012
227319986,1cyclictest33-21ksoftirqd/222:11:062
227309987,0cyclictest0-21swapper/122:46:131
227309987,0cyclictest0-21swapper/119:59:131
227309986,1cyclictest699-21gdbus21:57:331
227309986,1cyclictest0-21swapper/122:11:031
227309985,2cyclictest660-21avahi-daemon23:09:361
227309984,3cyclictest660-21avahi-daemon00:28:201
227309984,3cyclictest29289-21sshd00:13:281
227309984,3cyclictest24074-21sshd23:28:341
227269986,1cyclictest660-21avahi-daemon22:47:560
227269986,1cyclictest25337-21kworker/0:023:00:220
227269985,2cyclictest699-21gdbus23:57:210
227269985,2cyclictest660-21avahi-daemon23:47:280
227269985,2cyclictest660-21avahi-daemon23:42:080
227269985,2cyclictest660-21avahi-daemon23:37:430
227269985,2cyclictest660-21avahi-daemon23:21:230
227269985,2cyclictest13652-21sshd00:12:080
227329976,0cyclictest0-21swapper/320:29:473
227329975,1cyclictest660-21avahi-daemon23:25:213
227329975,1cyclictest41-21ksoftirqd/321:25:323
227329975,1cyclictest32193-21lspci22:00:243
227329974,2cyclictest699-21gdbus21:10:013
227329974,2cyclictest660-21avahi-daemon21:51:313
227309975,1cyclictest660-21avahi-daemon21:20:091
227309974,2cyclictest660-21avahi-daemon22:30:011
227309974,2cyclictest660-21avahi-daemon21:50:201
227309974,1cyclictest660-21avahi-daemon21:25:131
227309974,1cyclictest29157-21sshd23:40:081
227309973,3cyclictest674-21dbus-daemon23:15:401
227269975,1cyclictest660-21avahi-daemon00:26:220
227269975,1cyclictest24726-21lspci21:45:540
227269974,2cyclictest660-21avahi-daemon23:25:230
227269974,1cyclictest23482-21idleruntime-cro20:30:000
227329965,0cyclictest0-21swapper/319:46:573
227329963,2cyclictest1002-21snmpd21:04:163
227329963,2cyclictest1002-21snmpd19:37:543
227329960,5cyclictest0-21swapper/320:31:383
227329960,5cyclictest0-21swapper/319:54:083
227319966,0cyclictest321ktimersoftd/219:30:102
227319965,0cyclictest0-21swapper/220:07:222
227319964,1cyclictest33-21ksoftirqd/220:20:012
227319963,2cyclictest1002-21snmpd19:58:152
227319963,2cyclictest1002-21snmpd19:10:372
227319960,5cyclictest0-21swapper/221:07:012
227309965,0cyclictest0-21swapper/120:00:431
227309965,0cyclictest0-21swapper/119:24:331
227309963,2cyclictest674-21dbus-daemon20:05:011
227309963,2cyclictest1002-21snmpd21:05:011
227309963,2cyclictest1002-21snmpd20:21:241
227309963,2cyclictest1002-21snmpd19:45:561
227269964,1cyclictest699-21gdbus20:35:010
227269963,2cyclictest1002-21snmpd21:00:430
227269963,2cyclictest1002-21snmpd20:59:370
227269963,2cyclictest1002-21snmpd19:32:200
227269963,2cyclictest1002-21snmpd19:27:040
227329953,1cyclictest9973-21uname19:55:133
227329953,1cyclictest674-21dbus-daemon20:20:013
227329953,1cyclictest25275-21users19:15:013
227329953,1cyclictest24710-21ls19:15:003
227329953,1cyclictest20433-21cut20:20:163
227329953,1cyclictest2001-21mii-tool20:55:133
227329953,1cyclictest1002-21snmpd20:35:253
227329953,1cyclictest1002-21snmpd20:10:123
227329953,1cyclictest1002-21snmpd19:40:293
227329953,1cyclictest1002-21snmpd19:31:023
227329953,1cyclictest1002-21snmpd19:23:283
227329952,2cyclictest1002-21snmpd20:01:303
227319954,0cyclictest0-21swapper/220:23:312
227319953,1cyclictest6226-21ntp_states19:45:152
227319953,1cyclictest28259-21cat20:40:122
227319953,1cyclictest25988-21cat19:15:132
227319953,1cyclictest11548-21tr20:00:112
227319953,1cyclictest1002-21snmpd21:01:432
227319953,1cyclictest1002-21snmpd20:31:102
227319953,1cyclictest1002-21snmpd20:25:062
227319953,1cyclictest1002-21snmpd20:12:152
227319953,1cyclictest1002-21snmpd19:40:212
227319953,1cyclictest1002-21snmpd19:35:262
227319953,1cyclictest1002-21snmpd19:20:282
227319952,2cyclictest1002-21snmpd20:45:162
227319950,4cyclictest31055-21sshd19:26:132
227319950,0cyclictest0-21swapper/220:51:212
227309954,0cyclictest0-21swapper/121:00:531
227309953,1cyclictest660-21avahi-daemon19:39:591
227309953,1cyclictest32337-21cat20:50:131
227309953,1cyclictest24706-21ps20:30:161
227309953,1cyclictest1002-21snmpd20:35:131
227309953,1cyclictest1002-21snmpd20:26:031
227309953,1cyclictest1002-21snmpd20:16:331
227309953,1cyclictest1002-21snmpd19:50:051
227309953,1cyclictest1002-21snmpd19:32:321
227309953,1cyclictest1002-21snmpd19:25:111
227309953,1cyclictest1002-21snmpd19:18:021
227309952,2cyclictest1002-21snmpd20:55:111
227309950,4cyclictest27768-21/usr/sbin/munin20:40:171
227269954,0cyclictest0-21swapper/020:20:290
227269954,0cyclictest0-21swapper/020:11:180
227269953,1cyclictest7891-21cat19:50:130
227269953,1cyclictest6086-21mii-tool21:05:140
227269953,1cyclictest27800-21df19:20:110
227269953,1cyclictest23365-21if_eno219:10:120
227269953,1cyclictest2151-21ntpq19:35:150
227269953,1cyclictest1705-21sendmail20:45:100
227269953,1cyclictest11963-21cat20:00:140
227269953,1cyclictest1002-21snmpd20:50:490
227269953,1cyclictest1002-21snmpd20:41:040
227269953,1cyclictest1002-21snmpd20:36:010
227269953,1cyclictest1002-21snmpd20:17:210
227269953,1cyclictest1002-21snmpd20:07:580
227269953,1cyclictest1002-21snmpd19:49:560
227269953,1cyclictest1002-21snmpd19:42:390
227329942,1cyclictest27758-21taskset20:40:033
227309942,1cyclictest23069-21cat19:10:101
227309942,1cyclictest15635-21cut20:10:111
227309942,1cyclictest1015-21runrttasks20:45:301
227269942,1cyclictest527-40kipmi019:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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