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2026-05-08 - 03:28
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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 Fri May 08, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139532870,0sleep30-21swapper/300:19:133
20452770,2sleep22424099cyclictest23:41:422
300202570,0sleep10-21swapper/122:36:541
113362570,0sleep10-21swapper/123:34:081
59972560,0sleep00-21swapper/023:28:030
230222560,1sleep0699-21gdbus00:00:190
191802550,0sleep20-21swapper/223:12:222
45622520,1sleep1241ktimersoftd/122:15:061
92132510,0sleep30-21swapper/321:55:493
42112510,0sleep30-21swapper/322:34:423
291732510,1sleep2699-21gdbus23:55:162
54752500,0sleep00-21swapper/022:20:410
28412500,0sleep30-21swapper/300:32:143
306832490,0sleep00-21swapper/022:25:420
150852490,0sleep10-21swapper/122:27:111
144992490,1sleep214473-21sshd00:10:462
117462480,2sleep12423799cyclictest22:43:461
318862470,0sleep031887-21grepconf.sh22:00:350
267852470,0sleep10-21swapper/100:25:511
210062470,1sleep2321ktimersoftd/222:41:422
204972460,0sleep10-21swapper/122:22:031
232262390,1sleep0699-21gdbus00:36:480
240482319,7sleep30-21swapper/319:09:003
240742308,7sleep00-21swapper/019:09:170
2378422211,7sleep20-21swapper/219:05:422
2381522116,3sleep10-21swapper/119:06:051
140032190,1sleep0674-21dbus-daemon23:40:000
104352190,0sleep00-21swapper/023:34:030
88732180,0sleep30-21swapper/322:51:533
319372180,1sleep0111rcuc/023:44:220
79292170,0sleep10-21swapper/121:39:011
315952170,0sleep30-21swapper/321:40:593
253122170,0sleep20-21swapper/200:39:502
2423799164,11cyclictest7340-21sshd23:59:011
153882160,0sleep10-21swapper/122:02:001
147192160,1sleep014715-21lspci00:24:540
65542150,0sleep20-21swapper/221:58:282
298842150,0sleep1241ktimersoftd/121:43:411
275492150,0sleep0111rcuc/022:36:400
195762150,0sleep20-21swapper/221:23:002
172702150,0sleep00-21swapper/021:26:380
164002150,1sleep2321ktimersoftd/221:48:072
321612140,0sleep10-21swapper/123:38:451
191802140,0sleep10-21swapper/123:04:001
157932140,0sleep00-21swapper/023:23:180
124812140,0sleep30-21swapper/323:06:113
120942140,0sleep30-21swapper/322:35:183
297332130,0sleep30-21swapper/322:45:173
283782130,1sleep128375-21sshd22:08:451
24243991311,1cyclictest710-21NetworkManager22:04:243
2423799139,3cyclictest5559-21sshd23:14:011
2423199130,12cyclictest21499-21sshd23:54:400
196202130,0sleep019602-21lspci23:15:140
169562130,0sleep00-21swapper/021:30:310
308802120,0sleep3391rcuc/322:06:073
24240991210,1cyclictest0-21swapper/222:27:022
2424099120,1cyclictest23943-21sshd22:08:222
2424099120,1cyclictest0-21swapper/223:46:002
2424099120,11cyclictest0-21swapper/223:18:322
2423799120,1cyclictest28928-21lspci00:31:421
2423799120,11cyclictest10650-21sshd22:10:011
2423799120,11cyclictest0-21swapper/123:20:111
2423799120,11cyclictest0-21swapper/100:03:011
2423199120,11cyclictest3377-21lspci23:58:400
2423199120,11cyclictest31126-21cp21:12:300
267262110,1sleep21-21systemd22:53:282
2424399119,1cyclictest0-21swapper/300:35:443
24243991110,0cyclictest0-21swapper/323:18:143
24243991110,0cyclictest0-21swapper/323:02:243
2424399110,10cyclictest0-21swapper/323:56:443
2424399110,0cyclictest23130-21sshd22:55:543
2424399110,0cyclictest22324-21sshd23:32:143
2424099119,1cyclictest4340-21grep23:02:432
2424099119,1cyclictest21593-21sshd22:19:222
24240991110,0cyclictest0-21swapper/223:32:322
24240991110,0cyclictest0-21swapper/200:03:022
2424099110,10cyclictest24561-21grepconf.sh00:28:322
2424099110,10cyclictest0-21swapper/223:26:232
2424099110,10cyclictest0-21swapper/222:48:022
2424099110,10cyclictest0-21swapper/221:53:322
2423799110,10cyclictest0-21swapper/123:45:011
2423799110,0cyclictest0-21swapper/121:59:211
2424399109,0cyclictest0-21swapper/322:27:343
2424399109,0cyclictest0-21swapper/322:13:243
2424399109,0cyclictest0-21swapper/321:25:243
2424399109,0cyclictest0-21swapper/321:19:243
2424399108,1cyclictest27648-21sshd22:19:543
2424399108,1cyclictest12737-21bash23:39:543
2424399100,0cyclictest0-21swapper/323:41:543
2424399100,0cyclictest0-21swapper/321:21:243
2424099109,0cyclictest0-21swapper/221:33:132
2424099108,1cyclictest19057-21lspci21:26:522
2424099100,0cyclictest0-21swapper/223:05:322
2424099100,0cyclictest0-21swapper/222:03:022
2423799109,0cyclictest0-21swapper/100:05:021
2423799108,1cyclictest16526-21bash00:22:111
2423799100,0cyclictest0-21swapper/122:59:511
2423799100,0cyclictest0-21swapper/122:48:511
2423799100,0cyclictest0-21swapper/100:18:111
2423199109,0cyclictest0-21swapper/022:53:000
2423199109,0cyclictest0-21swapper/021:18:100
2423199108,1cyclictest29568-21sshd22:06:000
2423199100,0cyclictest0-21swapper/000:29:200
5423291,1sleep1674-21dbus-daemon00:35:181
242439998,0cyclictest0-21swapper/323:26:543
242439998,0cyclictest0-21swapper/322:44:043
242439997,1cyclictest28424-21bash22:22:453
242409998,0cyclictest0-21swapper/222:12:522
242409998,0cyclictest0-21swapper/200:18:122
242409998,0cyclictest0-21swapper/200:05:022
242409997,1cyclictest23499-21lspci21:37:322
242409997,1cyclictest22279-21lspci22:22:122
242409997,1cyclictest0-21swapper/222:59:522
242379998,0cyclictest0-21swapper/123:51:511
242379998,0cyclictest0-21swapper/123:28:011
242379997,1cyclictest25459-21sshd22:53:211
242379997,1cyclictest19496-21sshd21:30:511
242319998,0cyclictest0-21swapper/023:46:400
242319998,0cyclictest0-21swapper/022:56:400
242319998,0cyclictest0-21swapper/022:49:200
242319998,0cyclictest0-21swapper/022:34:200
242319997,1cyclictest20135-21kworker/0:022:11:360
242319990,0cyclictest0-21swapper/020:42:400
242319990,0cyclictest0-21swapper/020:02:100
16940290,1sleep316925-21sshd00:08:153
242439987,0cyclictest0-21swapper/323:10:543
242439987,0cyclictest0-21swapper/320:37:143
242439986,1cyclictest27395-21lspci00:25:543
242439985,2cyclictest674-21dbus-daemon21:39:183
242439985,2cyclictest660-21avahi-daemon23:52:123
242439985,2cyclictest660-21avahi-daemon21:51:273
242439985,2cyclictest660-21avahi-daemon21:30:303
242439985,2cyclictest660-21avahi-daemon00:01:083
242439984,3cyclictest674-21dbus-daemon21:12:223
242439984,3cyclictest660-21avahi-daemon23:49:363
242409987,0cyclictest0-21swapper/223:35:222
242409986,1cyclictest0-21swapper/200:20:122
242409985,2cyclictest660-21avahi-daemon22:37:252
242409985,2cyclictest15006-21sshd00:33:192
242409982,3cyclictest121rcu_preempt21:42:142
242379987,0cyclictest8764-21sshd21:17:411
242379986,1cyclictest0-21swapper/100:11:011
242379985,2cyclictest660-21avahi-daemon23:42:191
242379985,2cyclictest20464-21sshd21:48:291
242379984,3cyclictest649-21polkitd21:52:091
242319987,0cyclictest0-21swapper/022:44:500
242319987,0cyclictest0-21swapper/021:59:500
242319987,0cyclictest0-21swapper/020:05:500
242319987,0cyclictest0-21swapper/000:13:500
242319986,1cyclictest9681-21sshd23:03:100
242319986,1cyclictest30347-21sshd00:31:480
242319986,1cyclictest26279-21lspci00:09:050
242319986,1cyclictest22846-21grep21:54:170
242319986,1cyclictest12116-21lspci21:36:310
242319985,2cyclictest660-21avahi-daemon23:14:540
242319985,2cyclictest660-21avahi-daemon23:05:400
242319983,4cyclictest18866-21crond20:15:000
242319980,0cyclictest0-21swapper/020:34:500
14253280,6sleep1660-21avahi-daemon22:32:451
242439975,1cyclictest660-21avahi-daemon21:46:163
242439975,1cyclictest660-21avahi-daemon00:10:123
242439974,2cyclictest674-21dbus-daemon00:20:203
242439974,2cyclictest660-21avahi-daemon23:20:083
242439970,6cyclictest25991-21sshd19:12:113
242409974,2cyclictest674-21dbus-daemon22:30:472
242409974,2cyclictest660-21avahi-daemon23:20:112
242409974,2cyclictest660-21avahi-daemon21:16:442
242409974,2cyclictest660-21avahi-daemon21:10:402
242409974,2cyclictest660-21avahi-daemon19:40:002
242409974,2cyclictest649-21polkitd23:50:122
242379976,0cyclictest0-21swapper/121:12:011
242379975,1cyclictest466-21kworker/1:219:45:211
242379975,1cyclictest15047-21kworker/1:321:20:191
242379975,1cyclictest14786-21kworker/1:320:15:171
242379974,2cyclictest649-21polkitd23:05:531
242379973,3cyclictest699-21gdbus23:15:321
242379973,3cyclictest649-21polkitd21:25:021
242319975,1cyclictest6723-21grepconf.sh22:15:150
242319975,1cyclictest660-21avahi-daemon00:15:350
242319975,1cyclictest649-21polkitd21:47:050
242319974,2cyclictest698-21gdbus21:42:090
242319974,2cyclictest660-21avahi-daemon21:20:150
242439964,1cyclictest674-21dbus-daemon20:45:003
242439964,1cyclictest674-21dbus-daemon19:30:003
242439964,1cyclictest1002-21snmpd19:50:593
242439963,2cyclictest674-21dbus-daemon21:09:493
242439963,2cyclictest1002-21snmpd19:55:213
242409964,1cyclictest660-21avahi-daemon20:04:562
242409964,1cyclictest1002-21snmpd19:22:012
242409963,2cyclictest1002-21snmpd20:59:462
242409963,2cyclictest1002-21snmpd20:20:242
242409963,2cyclictest1002-21snmpd19:17:192
242379965,1cyclictest29038-21kworker/1:020:41:221
242379965,1cyclictest21775-21kworker/1:019:26:591
242379965,0cyclictest29038-21kworker/1:020:55:231
242379964,1cyclictest48-21kauditd21:09:371
242379964,1cyclictest29038-21kworker/1:020:45:131
242379964,1cyclictest14786-21kworker/1:320:13:231
242379963,2cyclictest1002-21snmpd19:32:561
242379963,2cyclictest1002-21snmpd19:13:341
242319965,0cyclictest0-21swapper/020:57:500
242319965,0cyclictest0-21swapper/020:23:000
242319963,2cyclictest1002-21snmpd20:37:340
242319963,2cyclictest1002-21snmpd19:50:080
242319963,2cyclictest1002-21snmpd19:27:030
242319960,5cyclictest0-21swapper/019:44:000
242319960,5cyclictest0-21swapper/019:21:500
19512260,0sleep00-21swapper/020:15:140
242439953,1cyclictest674-21dbus-daemon20:00:003
242439953,1cyclictest25295-21cpuspeed_turbos20:30:113
242439953,1cyclictest21639-21cat20:20:133
242439953,1cyclictest1987-21proc_pri20:50:183
242439953,1cyclictest1717-21proc_pri19:30:173
242439953,1cyclictest1088-21ntpd19:40:153
242439953,1cyclictest1002-21snmpd20:48:313
242439953,1cyclictest1002-21snmpd20:26:133
242439953,1cyclictest1002-21snmpd20:18:153
242439953,1cyclictest1002-21snmpd20:14:183
242439953,1cyclictest1002-21snmpd20:05:063
242439953,1cyclictest1002-21snmpd19:36:053
242439953,1cyclictest1002-21snmpd19:21:163
242439953,1cyclictest1002-21snmpd19:17:463
242439952,2cyclictest3577-21uname20:55:143
242439952,2cyclictest1002-21snmpd21:00:043
242439950,4cyclictest6877-21sshd19:45:063
242409954,0cyclictest0-21swapper/219:51:522
242409954,0cyclictest0-21swapper/219:32:222
242409953,1cyclictest7214-21cpuspeed_turbos21:05:122
242409953,1cyclictest27708-21cat20:35:122
242409953,1cyclictest25608-21hddtemp_smartct20:30:132
242409953,1cyclictest24919-21cat19:10:152
242409953,1cyclictest19602-21cat20:15:152
242409953,1cyclictest1002-21snmpd20:51:042
242409953,1cyclictest1002-21snmpd20:45:342
242409953,1cyclictest1002-21snmpd20:42:012
242409953,1cyclictest1002-21snmpd20:11:302
242409953,1cyclictest1002-21snmpd19:55:062
242409953,1cyclictest1002-21snmpd19:46:292
242409953,1cyclictest1002-21snmpd19:42:262
242409953,1cyclictest1002-21snmpd19:28:202
242409952,2cyclictest6554-21crond21:01:002
242409950,4cyclictest24745-21sshd20:27:112
242409950,4cyclictest16386-21head20:05:182
242379955,0cyclictest4836-21kworker/1:121:00:251
242379955,0cyclictest14786-21kworker/1:320:20:531
242379954,0cyclictest466-21kworker/1:219:40:231
242379954,0cyclictest0-21swapper/119:20:111
242379953,1cyclictest674-21dbus-daemon20:25:001
242379953,1cyclictest1705-21sendmail19:38:111
242379953,1cyclictest13258-21df20:00:101
242379953,1cyclictest1088-21ntpd19:15:201
242379953,1cyclictest1002-21snmpd20:35:251
242379953,1cyclictest1002-21snmpd20:31:071
242379953,1cyclictest1002-21snmpd19:55:391
242379953,1cyclictest1002-21snmpd19:54:511
242379952,2cyclictest1002-21snmpd20:50:431
242379950,4cyclictest15038-21/usr/sbin/munin20:05:171
242319953,1cyclictest699-21gdbus19:10:000
242319953,1cyclictest1314-21head20:50:130
242319953,1cyclictest11445-21cat19:55:140
242319953,1cyclictest1002-21snmpd21:05:290
242319953,1cyclictest1002-21snmpd20:47:100
242319953,1cyclictest1002-21snmpd19:47:140
242319953,1cyclictest1002-21snmpd19:35:050
242319953,1cyclictest1002-21snmpd19:31:170
242319953,1cyclictest1002-21snmpd19:15:160
242319952,2cyclictest1002-21snmpd20:26:330
242319942,1cyclictest5091-21/usr/sbin/munin21:00:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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