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2026-01-10 - 08:01
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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 Sat Jan 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14642970,2sleep02929399cyclictest00:08:270
150312950,0sleep2311rcuc/223:33:572
242912870,0sleep00-21swapper/023:51:080
142582800,0sleep20-21swapper/200:15:022
66082640,0sleep30-21swapper/323:46:543
23732600,0sleep10-21swapper/123:16:211
23732600,0sleep10-21swapper/123:16:201
84582590,0sleep10-21swapper/122:33:041
221342590,1sleep2674-21dbus-daemon22:47:542
21082580,1sleep1674-21dbus-daemon22:40:411
116592570,1sleep36296-21kworker/3:023:25:213
84942560,1sleep08485-21sshd23:14:120
313302560,0sleep30-21swapper/300:08:143
202332550,0sleep00-21swapper/023:23:250
102152530,1sleep310210-21bash22:15:473
67892520,0sleep20-21swapper/200:00:352
200402520,2sleep32930599cyclictest00:18:163
190462520,0sleep019047-21bash00:37:230
173402520,0sleep20-21swapper/222:20:072
218282510,0sleep30-21swapper/323:50:563
113162510,0sleep20-21swapper/222:09:052
287322500,0sleep20-21swapper/222:34:492
284352500,0sleep00-21swapper/000:32:420
316302480,0sleep00-21swapper/000:24:460
53602470,0sleep10-21swapper/123:46:481
264232470,0sleep10-21swapper/123:10:131
228542470,0sleep022842-21lspci23:15:200
228542470,0sleep022842-21lspci23:15:190
215862470,0sleep00-21swapper/023:45:240
174582470,0sleep20-21swapper/221:35:082
325292450,0sleep22930499cyclictest23:46:212
177512450,2sleep12930099cyclictest00:07:041
83402370,0sleep10-21swapper/100:11:451
244152360,0sleep20-21swapper/220:15:112
291412309,7sleep00-21swapper/019:09:240
290502308,7sleep30-21swapper/319:08:153
289252288,6sleep10-21swapper/119:06:411
202282240,0sleep20-21swapper/222:25:472
164462230,1sleep3699-21gdbus21:48:513
288312219,7sleep20-21swapper/219:05:342
204902200,0sleep00-21swapper/023:39:550
156722190,0sleep30-21swapper/322:50:083
113292190,0sleep00-21swapper/022:30:300
10132190,0sleep10-21swapper/100:30:191
92212180,2sleep22930499cyclictest22:44:062
90742180,0sleep1231rcuc/122:22:101
65302180,1sleep1674-21dbus-daemon21:25:151
280952180,1sleep228093-21sshd00:21:392
269212180,0sleep20-21swapper/222:00:152
162982180,0sleep00-21swapper/022:52:520
33002170,0sleep20-21swapper/200:38:492
196672170,0sleep019617-21sshd00:26:250
111562170,0sleep30-21swapper/322:33:183
29300991513,1cyclictest25-21ksoftirqd/123:54:021
325142140,1sleep032508-21bash22:04:260
267782140,1sleep326775-21sshd23:34:573
183172140,0sleep3391rcuc/300:34:383
148572140,0sleep1231rcuc/122:58:151
317172130,0sleep01-21systemd23:43:360
29305991310,2cyclictest0-21swapper/322:23:513
2929399130,1cyclictest674-21dbus-daemon00:14:220
29304991210,1cyclictest27851-21sshd23:54:162
2930499120,1cyclictest0-21swapper/222:13:352
2930499120,11cyclictest5384-21sshd23:13:552
2930499120,11cyclictest22712-21lspci23:09:562
2930499120,11cyclictest0-21swapper/222:52:452
2930499120,11cyclictest0-21swapper/200:26:152
2930099124,2cyclictest17618-21sshd00:18:021
2930099124,1cyclictest25-21ksoftirqd/100:00:141
29300991211,0cyclictest25-21ksoftirqd/123:39:231
29300991210,1cyclictest25-21ksoftirqd/123:59:451
2930099120,1cyclictest11062-21sshd22:35:561
2930099120,11cyclictest623-17sedispatch23:26:371
2930099120,11cyclictest0-21swapper/122:46:571
2929399120,1cyclictest621-17auditd23:26:010
2930599119,1cyclictest17197-21bash21:52:223
29305991110,0cyclictest0-21swapper/300:20:423
2930599110,10cyclictest0-21swapper/321:11:323
2930499119,1cyclictest0-21swapper/223:35:352
2930499110,10cyclictest0-21swapper/221:16:262
2930099115,1cyclictest25-21ksoftirqd/122:28:411
2930099114,2cyclictest25-21ksoftirqd/123:42:531
2930099113,1cyclictest25-21ksoftirqd/123:30:441
2930099112,1cyclictest25-21ksoftirqd/123:08:551
2930099112,1cyclictest25-21ksoftirqd/122:03:361
2930099112,1cyclictest25-21ksoftirqd/121:40:151
2930099111,3cyclictest649-21polkitd21:23:591
2930099111,1cyclictest25-21ksoftirqd/123:00:321
2930099111,1cyclictest25-21ksoftirqd/122:53:061
2930099111,1cyclictest131rcu_sched23:24:561
2930099110,1cyclictest31990-21lspci21:36:361
2930099110,1cyclictest15910-21sshd00:37:071
2930099110,10cyclictest0-21swapper/122:13:161
2930099110,0cyclictest0-21swapper/100:26:561
2929399119,1cyclictest642-21systemd-logind22:36:510
29293991110,0cyclictest0-21swapper/021:35:010
2929399110,1cyclictest14829-21lspci21:45:110
2929399110,10cyclictest14098-21sshd22:41:430
2929399110,0cyclictest8405-21sshd22:57:420
2929399110,0cyclictest0-21swapper/021:25:510
2930599109,0cyclictest0-21swapper/323:16:123
2930599109,0cyclictest0-21swapper/323:16:123
2930599109,0cyclictest0-21swapper/323:02:213
2930599109,0cyclictest0-21swapper/321:56:213
2930599109,0cyclictest0-21swapper/321:25:023
2930599109,0cyclictest0-21swapper/320:30:213
2930599108,1cyclictest649-21polkitd22:41:323
2930599108,1cyclictest642-21systemd-logind00:36:513
2930599100,0cyclictest0-21swapper/322:13:413
2930499109,0cyclictest0-21swapper/223:40:162
2930499109,0cyclictest0-21swapper/223:26:362
2930499109,0cyclictest0-21swapper/200:32:562
2930499100,0cyclictest0-21swapper/221:52:162
2930099109,0cyclictest0-21swapper/120:25:171
2930099102,2cyclictest25-21ksoftirqd/121:48:451
2930099102,1cyclictest25-21ksoftirqd/100:22:011
2930099101,1cyclictest25-21ksoftirqd/122:15:501
2930099101,1cyclictest25-21ksoftirqd/121:17:161
2930099100,1cyclictest121rcu_preempt21:31:471
2929399109,0cyclictest0-21swapper/022:28:010
293059998,0cyclictest0-21swapper/323:42:523
293059998,0cyclictest0-21swapper/323:38:123
293059998,0cyclictest0-21swapper/322:29:023
293059998,0cyclictest0-21swapper/321:19:223
293059998,0cyclictest0-21swapper/300:12:113
293059997,1cyclictest899-21lspci22:46:043
293059996,2cyclictest26514-21sshd22:56:283
293059990,0cyclictest0-21swapper/320:15:513
293049998,0cyclictest0-21swapper/223:58:562
293049998,0cyclictest0-21swapper/222:39:352
293049998,0cyclictest0-21swapper/222:15:462
293049998,0cyclictest0-21swapper/221:56:162
293049998,0cyclictest0-21swapper/219:50:152
293009994,1cyclictest25-21ksoftirqd/121:57:511
293009993,1cyclictest25-21ksoftirqd/122:08:381
293009991,3cyclictest649-21polkitd21:12:031
293009990,8cyclictest12441-21kworker/1:121:50:161
292939999,0cyclictest0-21swapper/022:17:010
292939997,1cyclictest1002-21snmpd23:56:120
292939997,1cyclictest0-21swapper/021:19:520
20425290,0sleep30-21swapper/322:36:453
293059987,0cyclictest0-21swapper/323:10:013
293059987,0cyclictest0-21swapper/321:43:423
293059987,0cyclictest0-21swapper/300:01:313
293059986,1cyclictest20729-21lspci21:22:093
293059985,2cyclictest699-21gdbus21:33:403
293059985,2cyclictest660-21avahi-daemon23:20:203
293059985,2cyclictest18498-21lspci00:26:183
293059984,3cyclictest649-21polkitd22:04:023
293049987,0cyclictest0-21swapper/221:33:452
293049987,0cyclictest0-21swapper/221:21:452
293049987,0cyclictest0-21swapper/221:11:062
293049987,0cyclictest0-21swapper/219:34:562
293049986,1cyclictest2165-21lspci23:21:502
293049985,2cyclictest674-21dbus-daemon00:06:302
293049985,2cyclictest660-21avahi-daemon23:15:132
293049985,2cyclictest660-21avahi-daemon23:15:122
293009986,1cyclictest25-21ksoftirqd/120:59:591
293009986,1cyclictest25-21ksoftirqd/119:15:011
292939987,0cyclictest0-21swapper/023:32:320
292939986,1cyclictest9626-21lspci21:51:310
292939986,1cyclictest660-21avahi-daemon22:10:320
292939985,2cyclictest674-21dbus-daemon23:05:270
292939985,2cyclictest660-21avahi-daemon23:01:310
292939985,2cyclictest660-21avahi-daemon22:49:460
292939985,2cyclictest660-21avahi-daemon00:16:200
292939984,3cyclictest550-21sshd22:21:260
293059976,1cyclictest18294-21lspci22:06:183
293059974,2cyclictest660-21avahi-daemon23:08:033
293059974,1cyclictest649-21polkitd23:55:163
293059970,0cyclictest0-21swapper/319:44:013
293049976,1cyclictest7651-21lspci22:57:382
293049976,1cyclictest3467-21lspci21:44:012
293049975,1cyclictest660-21avahi-daemon21:45:092
293049975,1cyclictest660-21avahi-daemon21:28:202
293049974,2cyclictest674-21dbus-daemon00:10:352
293049974,2cyclictest660-21avahi-daemon23:04:332
293009976,0cyclictest25-21ksoftirqd/120:00:001
293009976,0cyclictest0-21swapper/120:50:571
293009975,1cyclictest25-21ksoftirqd/120:49:591
293009975,1cyclictest25-21ksoftirqd/120:34:591
293009975,1cyclictest25-21ksoftirqd/119:15:001
292939976,1cyclictest10175-21lspci22:05:230
292939976,0cyclictest0-21swapper/000:00:510
292939975,1cyclictest660-21avahi-daemon21:10:450
292939975,1cyclictest15836-21sshd21:59:110
292939974,2cyclictest674-21dbus-daemon21:42:020
28391270,0sleep0111rcuc/020:25:110
293059964,1cyclictest674-21dbus-daemon20:59:593
293059964,1cyclictest16884-21sshd21:35:053
293059963,2cyclictest1002-21snmpd20:51:543
293059963,2cyclictest1002-21snmpd20:03:563
293059963,2cyclictest1002-21snmpd19:50:513
293059963,2cyclictest1002-21snmpd19:23:343
293059963,2cyclictest1002-21snmpd19:12:143
293059960,5cyclictest0-21swapper/319:27:013
293049965,0cyclictest0-21swapper/219:35:162
293049960,5cyclictest0-21swapper/220:51:362
293049960,5cyclictest0-21swapper/220:39:062
293049960,5cyclictest0-21swapper/219:42:452
293009965,0cyclictest0-21swapper/120:24:561
293009965,0cyclictest0-21swapper/119:30:561
293009963,2cyclictest1002-21snmpd20:41:471
292939964,1cyclictest674-21dbus-daemon21:20:450
292939964,1cyclictest1891-21sshd21:30:020
292939963,2cyclictest1002-21snmpd20:04:080
292939962,2cyclictest31881-21sshd20:32:560
292939960,5cyclictest0-21swapper/019:50:320
293059953,1cyclictest1705-21sendmail20:10:483
293059953,1cyclictest12627-21needreboot19:45:143
293059953,1cyclictest12486-21tail21:05:113
293059953,1cyclictest1002-21snmpd20:45:063
293059953,1cyclictest1002-21snmpd20:40:463
293059953,1cyclictest1002-21snmpd20:25:503
293059953,1cyclictest1002-21snmpd20:06:373
293059953,1cyclictest1002-21snmpd19:55:073
293059953,1cyclictest1002-21snmpd19:36:073
293059953,1cyclictest1002-21snmpd19:30:073
293059953,1cyclictest1002-21snmpd19:16:503
293059952,2cyclictest32446-21seq20:35:113
293059952,2cyclictest26440-21sh20:20:113
293059952,2cyclictest1002-21snmpd21:00:033
293049953,1cyclictest8552-21mii-tool20:55:122
293049953,1cyclictest674-21dbus-daemon19:55:012
293049953,1cyclictest4232-21if_eno119:25:142
293049953,1cyclictest423-21awk19:15:132
293049953,1cyclictest30488-21processes19:10:162
293049953,1cyclictest1002-21snmpd21:06:202
293049953,1cyclictest1002-21snmpd20:49:092
293049953,1cyclictest1002-21snmpd20:24:172
293049953,1cyclictest1002-21snmpd20:10:472
293049953,1cyclictest1002-21snmpd20:08:402
293049953,1cyclictest1002-21snmpd20:01:132
293049953,1cyclictest1002-21snmpd19:21:002
293049952,2cyclictest674-21dbus-daemon19:45:012
293049952,2cyclictest1002-21snmpd21:00:302
293049952,2cyclictest1002-21snmpd20:40:042
293049952,2cyclictest1002-21snmpd20:30:312
293009954,1cyclictest3540-21kworker/1:219:36:181
293009953,1cyclictest25-21ksoftirqd/120:15:001
293009953,1cyclictest25-21ksoftirqd/120:05:001
293009953,1cyclictest24592-21cat20:15:131
293009953,1cyclictest14437-21mii-tool19:50:131
293009953,1cyclictest1088-21ntpd21:00:171
293009953,1cyclictest1002-21snmpd21:06:541
293009953,1cyclictest1002-21snmpd20:37:591
293009953,1cyclictest1002-21snmpd20:04:261
293009953,1cyclictest1002-21snmpd19:45:371
293009953,1cyclictest1002-21snmpd19:28:101
292939953,1cyclictest699-21gdbus19:39:560
292939953,1cyclictest6319-21cat19:30:130
292939953,1cyclictest22433-21grep20:10:120
292939953,1cyclictest2144-21hddtemp_smartct19:20:120
292939953,1cyclictest1705-21sendmail21:00:580
292939953,1cyclictest16654-21grep19:55:140
292939953,1cyclictest1082-21lldpd20:20:450
292939953,1cyclictest1002-21snmpd20:53:570
292939953,1cyclictest1002-21snmpd20:41:560
292939953,1cyclictest1002-21snmpd20:39:200
292939953,1cyclictest1002-21snmpd19:48:400
292939953,1cyclictest1002-21snmpd19:43:000
292939953,1cyclictest1002-21snmpd19:13:090
292939952,2cyclictest5719-21chrt20:49:010
292939952,2cyclictest5227-21taskset19:25:390
292939952,2cyclictest32256-21cat19:15:090
293049942,1cyclictest28311-21cut20:25:112
293009942,1cyclictest649-21polkitd19:20:011
293009942,1cyclictest25-21ksoftirqd/119:40:001
292939942,1cyclictest8417-21grep20:55:110
292939942,1cyclictest24210-21cat20:15:110
292939942,1cyclictest200682sleep020:05:040
292939942,1cyclictest1002-21snmpd21:05:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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