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2026-03-29 - 12:46
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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 Sun Mar 29, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2208121020,0sleep20-21swapper/222:52:502
2208121020,0sleep20-21swapper/222:52:492
264312950,2sleep32940199cyclictest22:39:363
263202930,2sleep22939499cyclictest23:25:542
109912800,0sleep10-21swapper/121:46:311
80682570,1sleep08061-21lspci00:13:420
269972570,1sleep1674-21dbus-daemon23:47:551
36742560,0sleep00-21swapper/021:40:260
283232560,0sleep0111rcuc/000:09:580
73452550,1sleep37324-21bash00:05:193
303722550,0sleep10-21swapper/123:09:541
228082550,0sleep31-21systemd23:47:343
79012530,1sleep1649-21polkitd23:13:271
316732530,0sleep30-21swapper/321:19:533
156222530,0sleep00-21swapper/021:33:200
53942520,0sleep00-21swapper/023:13:140
155302520,0sleep20-21swapper/223:03:112
155302520,0sleep20-21swapper/223:03:102
66412510,0sleep00-21swapper/022:43:210
312482510,1sleep031250-21grepconf.sh23:26:200
308892510,1sleep030886-21sshd21:11:530
110762510,0sleep30-21swapper/322:21:543
76842500,0sleep10-21swapper/122:18:561
33152500,0sleep10-21swapper/121:54:051
22842500,0sleep20-21swapper/221:31:502
61142490,0sleep10-21swapper/100:08:021
325182490,0sleep30-21swapper/300:13:013
16532490,1sleep09-21ksoftirqd/000:18:390
148782490,0sleep00-21swapper/023:55:070
267062480,0sleep10-21swapper/121:23:081
103262480,0sleep20-21swapper/221:25:062
29672470,0sleep20-21swapper/220:40:162
244172450,1sleep024414-21lspci00:31:290
128362440,0sleep30-21swapper/323:05:353
70302400,0sleep20-21swapper/222:27:022
233552390,0sleep00-21swapper/022:55:350
292382297,7sleep10-21swapper/119:09:201
2908422311,7sleep30-21swapper/319:07:223
323352220,0sleep10-21swapper/100:10:141
300342220,1sleep330027-21ps22:45:173
2912322211,7sleep20-21swapper/219:07:532
290772219,7sleep00-21swapper/019:07:190
285492190,1sleep128543-21bash23:04:181
285492190,1sleep128543-21bash23:04:181
10442190,0sleep10-21swapper/100:18:361
171252180,1sleep217114-21sshd22:44:172
5052170,0sleep30-21swapper/321:23:553
128102170,1sleep1674-21dbus-daemon22:41:071
80902160,0sleep20-21swapper/221:54:302
245142160,0sleep00-21swapper/023:03:570
245142160,0sleep00-21swapper/023:03:560
14102160,2sleep02938499cyclictest23:18:220
155632150,1sleep315566-21bash00:36:133
152912150,0sleep20-21swapper/222:14:082
72402140,0sleep30-21swapper/323:35:163
317822140,0sleep10-21swapper/121:56:241
2938899140,1cyclictest13831-21sshd23:16:381
26512140,0sleep30-21swapper/322:10:163
23972140,0sleep20-21swapper/200:37:512
207422140,1sleep320741-21bash23:20:023
205232140,0sleep30-21swapper/321:26:153
189612140,0sleep10-21swapper/123:39:031
160132140,1sleep3391rcuc/322:52:193
160132140,1sleep3391rcuc/322:52:193
119882140,0sleep1241ktimersoftd/122:38:221
99242130,0sleep2321ktimersoftd/223:38:162
2938499130,1cyclictest23834-21sshd23:23:000
267562130,5sleep026950-21grepconf.sh22:04:130
217112130,0sleep30-21swapper/321:10:453
187602130,0sleep2311rcuc/223:41:432
2940199121,10cyclictest0-21swapper/300:29:403
29401991210,1cyclictest1628-21id00:02:103
2940199120,11cyclictest0-21swapper/322:00:403
29394991210,1cyclictest0-21swapper/222:45:422
2939499120,1cyclictest11789-21sshd00:11:122
29388991210,1cyclictest2726-21sshd21:43:091
2938499129,2cyclictest16336-21lspci21:18:010
2938499124,1cyclictest9-21ksoftirqd/022:08:520
2938499121,10cyclictest8189-21grepconf.sh23:08:000
2938499120,1cyclictest29523-21sshd22:50:410
2938499120,1cyclictest29523-21sshd22:50:400
2938499120,1cyclictest1-21systemd22:39:400
264612120,0sleep10-21swapper/100:23:281
19912120,0sleep10-21swapper/122:53:531
19912120,0sleep10-21swapper/122:53:521
189822120,0sleep30-21swapper/323:52:423
2940199119,1cyclictest0-21swapper/300:24:193
29401991110,0cyclictest0-21swapper/323:25:493
2940199110,10cyclictest0-21swapper/322:33:593
2940199110,0cyclictest0-21swapper/323:58:193
2939499119,1cyclictest674-21dbus-daemon23:15:522
29394991110,0cyclictest0-21swapper/223:09:322
2939499110,1cyclictest1618-21bash21:45:422
2939499110,10cyclictest31725-21sshd23:12:432
2939499110,10cyclictest0-21swapper/222:37:422
2939499110,10cyclictest0-21swapper/222:23:522
2939499110,10cyclictest0-21swapper/200:05:522
2939499110,0cyclictest0-21swapper/223:59:222
2938899119,1cyclictest16378-21lspci23:52:291
29388991110,0cyclictest0-21swapper/121:37:391
29388991110,0cyclictest0-21swapper/100:03:591
2938899110,10cyclictest0-21swapper/122:56:381
2938899110,10cyclictest0-21swapper/120:10:191
2938499119,1cyclictest8404-21sshd22:21:410
2938499119,1cyclictest10669-21sshd22:49:110
2938499111,1cyclictest131rcu_sched21:36:310
29384991110,0cyclictest0-21swapper/021:10:000
29384991110,0cyclictest0-21swapper/000:36:500
2938499110,10cyclictest0-21swapper/021:48:200
2940199109,0cyclictest0-21swapper/322:08:193
2940199109,0cyclictest0-21swapper/321:32:593
2940199108,1cyclictest623-17sedispatch21:49:493
2940199100,9cyclictest0-21swapper/319:29:203
2939499109,0cyclictest0-21swapper/223:51:432
2939499109,0cyclictest0-21swapper/223:34:422
2939499109,0cyclictest0-21swapper/223:20:132
2939499109,0cyclictest0-21swapper/222:30:032
2939499100,0cyclictest0-21swapper/220:05:232
2939499100,0cyclictest0-21swapper/200:25:232
2938899109,0cyclictest0-21swapper/123:33:081
2938899109,0cyclictest0-21swapper/122:12:481
2938899109,0cyclictest0-21swapper/122:04:081
2938899109,0cyclictest0-21swapper/120:56:181
2938899100,9cyclictest0-21swapper/120:38:191
2938899100,0cyclictest0-21swapper/123:25:191
2938899100,0cyclictest0-21swapper/121:10:591
2938499108,1cyclictest9-21ksoftirqd/023:41:240
2938499108,1cyclictest699-21gdbus22:34:210
2938499107,1cyclictest9-21ksoftirqd/000:28:190
2938499102,1cyclictest9-21ksoftirqd/023:46:170
2938499101,1cyclictest131rcu_sched21:50:500
2938499100,1cyclictest9-21ksoftirqd/022:27:030
2938499100,1cyclictest9-21ksoftirqd/000:02:220
2938499100,1cyclictest31123-21lspci21:56:210
2938499100,1cyclictest131rcu_sched23:52:130
165042100,0sleep20-21swapper/200:03:282
294019998,0cyclictest0-21swapper/320:30:203
294019998,0cyclictest0-21swapper/319:51:193
294019994,2cyclictest674-21dbus-daemon21:50:163
293949998,0cyclictest0-21swapper/223:46:432
293949998,0cyclictest0-21swapper/222:04:532
293949997,1cyclictest0-21swapper/221:38:032
293889998,0cyclictest527-40kipmi021:19:461
293889998,0cyclictest0-21swapper/122:34:391
293889998,0cyclictest0-21swapper/100:27:191
293889995,3cyclictest660-21avahi-daemon00:36:241
293849997,1cyclictest9-21ksoftirqd/022:15:500
293849991,1cyclictest9-21ksoftirqd/021:23:070
293849991,1cyclictest131rcu_sched00:20:260
293849990,8cyclictest31628-21kworker/0:022:10:140
293849990,8cyclictest14945-21kworker/0:021:25:360
293849990,1cyclictest131rcu_sched23:37:400
293849990,1cyclictest131rcu_sched23:30:080
29954280,1sleep1649-21polkitd00:31:581
294019987,0cyclictest0-21swapper/323:12:503
294019986,1cyclictest649-21polkitd23:18:213
294019986,1cyclictest467-21sshd21:59:173
294019986,1cyclictest30083-21lspci23:01:393
294019986,1cyclictest30083-21lspci23:01:383
294019986,1cyclictest15720-21sshd23:30:273
294019985,2cyclictest9246-21sshd00:32:573
294019985,2cyclictest660-21avahi-daemon23:40:513
294019985,2cyclictest660-21avahi-daemon22:59:353
294019985,2cyclictest660-21avahi-daemon22:15:533
294019985,2cyclictest660-21avahi-daemon21:42:543
294019985,2cyclictest660-21avahi-daemon21:37:513
294019984,3cyclictest674-21dbus-daemon22:25:583
294019984,3cyclictest23508-21sshd00:15:013
293949987,0cyclictest0-21swapper/222:09:232
293949986,1cyclictest660-21avahi-daemon22:59:052
293949986,1cyclictest660-21avahi-daemon21:21:042
293949986,1cyclictest29437-21sshd00:15:262
293949986,1cyclictest24381-21lspci00:34:162
293949986,1cyclictest19281-21lspci22:17:102
293949986,1cyclictest0-21swapper/221:55:522
293949984,3cyclictest660-21avahi-daemon21:40:242
293889987,0cyclictest0-21swapper/119:30:191
293889986,1cyclictest10853-21sshd23:57:281
293889985,2cyclictest660-21avahi-daemon22:45:411
293889984,3cyclictest660-21avahi-daemon23:41:341
293889984,3cyclictest25-21ksoftirqd/122:07:181
293889984,2cyclictest20655-21sshd21:30:121
293889980,7cyclictest0-21swapper/120:00:281
293849986,1cyclictest9-21ksoftirqd/020:55:010
14617280,1sleep114618-21sshd23:22:121
294019976,0cyclictest0-21swapper/319:13:193
294019973,3cyclictest32234-21sshd22:40:063
293949976,0cyclictest0-21swapper/220:36:232
293949975,1cyclictest660-21avahi-daemon21:16:292
293949975,1cyclictest20284-21sshd00:20:122
293949974,2cyclictest642-21systemd-logind21:14:542
293889976,0cyclictest0-21swapper/120:31:281
293889975,1cyclictest25-21ksoftirqd/122:25:181
293889974,2cyclictest660-21avahi-daemon22:20:401
293889974,2cyclictest660-21avahi-daemon21:25:291
293889970,6cyclictest0-21swapper/121:08:281
293849976,0cyclictest0-21swapper/020:45:200
294019965,0cyclictest0-21swapper/320:46:003
294019965,0cyclictest0-21swapper/320:15:193
294019963,2cyclictest1002-21snmpd20:58:153
294019960,5cyclictest0-21swapper/321:06:493
293949964,1cyclictest660-21avahi-daemon21:09:562
293949963,2cyclictest1002-21snmpd19:28:392
293949963,2cyclictest1002-21snmpd19:17:432
293889965,0cyclictest0-21swapper/120:19:281
293889965,0cyclictest0-21swapper/120:09:581
293889965,0cyclictest0-21swapper/119:21:291
293889965,0cyclictest0-21swapper/119:10:381
293889964,1cyclictest660-21avahi-daemon19:15:011
293889960,5cyclictest0-21swapper/119:38:081
293849965,0cyclictest0-21swapper/019:20:210
293849964,1cyclictest9-21ksoftirqd/020:04:590
293849964,1cyclictest649-21polkitd20:30:000
293849963,2cyclictest1002-21snmpd20:06:010
294019953,1cyclictest8461-21cat19:35:133
294019953,1cyclictest660-21avahi-daemon20:20:013
294019953,1cyclictest660-21avahi-daemon20:00:003
294019953,1cyclictest2553-21cat20:40:143
294019953,1cyclictest2351-21cat19:20:133
294019953,1cyclictest20648-21cat20:05:143
294019953,1cyclictest12490-21cat19:45:133
294019953,1cyclictest1002-21snmpd20:51:353
294019953,1cyclictest1002-21snmpd20:36:053
294019953,1cyclictest1002-21snmpd20:27:293
294019953,1cyclictest1002-21snmpd20:14:073
294019953,1cyclictest1002-21snmpd20:00:043
294019953,1cyclictest1002-21snmpd19:32:313
294019952,2cyclictest10460-21cat19:40:143
294019952,2cyclictest1002-21snmpd19:16:493
294019950,4cyclictest11044-21awk21:00:153
293949954,0cyclictest0-21swapper/220:56:222
293949953,1cyclictest699-21gdbus21:00:012
293949953,1cyclictest22721-21cat20:10:152
293949953,1cyclictest16604-21cat19:55:162
293949953,1cyclictest1002-21snmpd20:50:292
293949953,1cyclictest1002-21snmpd20:45:122
293949953,1cyclictest1002-21snmpd20:30:572
293949953,1cyclictest1002-21snmpd20:25:292
293949953,1cyclictest1002-21snmpd20:16:072
293949953,1cyclictest1002-21snmpd20:02:402
293949953,1cyclictest1002-21snmpd19:40:372
293949953,1cyclictest1002-21snmpd19:36:452
293949953,1cyclictest1002-21snmpd19:30:162
293949953,1cyclictest1002-21snmpd19:23:332
293949953,1cyclictest1002-21snmpd19:11:482
293949952,2cyclictest1002-21snmpd19:50:072
293949952,2cyclictest1002-21snmpd19:48:192
293949950,4cyclictest27592-21sshd20:20:192
293889954,0cyclictest0-21swapper/120:45:491
293889954,0cyclictest0-21swapper/119:45:591
293889953,1cyclictest674-21dbus-daemon19:44:591
293889953,1cyclictest2969-21ntp_states20:40:161
293889953,1cyclictest26789-21cat20:20:131
293889953,1cyclictest1705-21sendmail20:25:061
293889953,1cyclictest1002-21snmpd20:52:471
293889953,1cyclictest1002-21snmpd19:55:021
293889950,1cyclictest0-21swapper/119:50:151
293849953,1cyclictest8544-21grep20:55:130
293849953,1cyclictest4385-21cat19:25:140
293849953,1cyclictest14573-21cat19:50:140
293849953,1cyclictest1082-21lldpd21:00:030
293849953,1cyclictest1082-21lldpd19:55:350
293849953,1cyclictest10461-21cat19:40:130
293849953,1cyclictest1002-21snmpd20:37:030
293849953,1cyclictest1002-21snmpd20:32:140
293849953,1cyclictest1002-21snmpd20:17:070
293849953,1cyclictest1002-21snmpd20:11:230
293849953,1cyclictest1002-21snmpd19:39:210
293849953,1cyclictest1002-21snmpd19:30:250
293849953,1cyclictest1002-21snmpd19:15:240
293849952,2cyclictest12820-21awk19:45:160
293849952,2cyclictest1002-21snmpd20:43:590
293849952,2cyclictest1002-21snmpd19:10:420
293849950,4cyclictest0-21swapper/020:23:110
293889942,1cyclictest3967-21cpuspeed_turbos19:25:121
293889940,3cyclictest10398-21expr21:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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