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2026-03-14 - 20:41
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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 Sat Mar 14, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2986321010,2sleep02501499cyclictest12:08:350
189352990,2sleep12502099cyclictest11:07:241
287562900,0sleep20-21swapper/211:16:262
161362870,0sleep316135-21lspci11:53:443
63262610,0sleep16320-21sshd11:55:341
298472560,0sleep30-21swapper/309:18:563
305772550,2sleep02501499cyclictest10:43:480
297612550,0sleep30-21swapper/311:16:313
190362550,0sleep00-21swapper/011:21:050
77472540,1sleep17745-21sshd12:17:411
283212540,1sleep228320-21bash10:35:212
232212540,0sleep00-21swapper/010:04:320
314952530,0sleep20-21swapper/211:08:292
18852530,1sleep21884-21grep11:11:252
36402520,0sleep00-21swapper/011:58:090
221152520,0sleep20-21swapper/209:28:402
196902520,0sleep00-21swapper/009:33:070
147922520,0sleep00-21swapper/009:39:310
45872510,0sleep20-21swapper/210:02:282
4272490,0sleep20-21swapper/212:22:352
308482490,1sleep130842-21lspci10:51:581
122202490,0sleep30-21swapper/312:37:193
164662480,0sleep30-21swapper/309:36:103
149602480,0sleep30-21swapper/310:23:243
78762460,0sleep0111rcuc/007:45:110
268822420,2sleep22502399cyclictest11:35:242
320222410,0sleep10-21swapper/112:11:281
186052370,0sleep3391rcuc/311:32:013
216652360,1sleep221655-21sshd12:27:072
248762309,7sleep10-21swapper/107:09:421
245702308,7sleep20-21swapper/207:05:502
248192297,7sleep30-21swapper/307:09:003
202022220,0sleep20-21swapper/209:40:062
245682219,7sleep00-21swapper/007:05:480
21922210,1sleep0111rcuc/012:20:000
2502499182,5cyclictest5334-21sshd12:06:283
70692170,0sleep30-21swapper/309:45:273
34672170,0sleep10-21swapper/109:25:191
307902170,1sleep0674-21dbus-daemon10:19:090
272352160,0sleep20-21swapper/210:48:582
25020991614,1cyclictest494-21kworker/1:412:35:351
60762150,1sleep26024-21sshd09:35:092
59242150,0sleep30-21swapper/310:30:453
28112150,0sleep00-21swapper/012:28:170
275792150,0sleep00-21swapper/010:49:010
2502499152,3cyclictest19898-21sshd11:56:463
25024991511,3cyclictest1-21systemd11:41:533
25020991514,0cyclictest6232-21kworker/1:112:20:291
25020991514,0cyclictest24383-21kworker/1:111:31:271
213392150,1sleep2311rcuc/210:34:542
139682150,0sleep013949-21sshd11:53:330
133752150,0sleep20-21swapper/211:59:002
323842140,0sleep30-21swapper/309:30:183
2502499142,2cyclictest10819-21sshd10:55:433
25020991413,0cyclictest29326-21kworker/1:010:55:131
25020991413,0cyclictest241ktimersoftd/111:44:371
25020991413,0cyclictest15158-21lspci09:46:221
25020991412,1cyclictest4011-21lspci09:55:281
25020991412,1cyclictest25393-21kworker/1:110:34:351
236672140,0sleep30-21swapper/310:07:583
153332140,0sleep10-21swapper/110:20:381
14922140,0sleep01495-21bash09:48:250
106662140,0sleep30-21swapper/310:50:163
89782130,0sleep08980-21bash11:28:300
2502499134,3cyclictest674-21dbus-daemon10:48:173
2502499134,3cyclictest674-21dbus-daemon09:24:493
2502499134,3cyclictest25187-21grepconf.sh12:30:123
2502499134,2cyclictest9648-21id10:25:363
2502499134,2cyclictest9648-21id10:25:363
2502499133,5cyclictest6227-21grep11:00:483
2502499133,3cyclictest3775-21sshd11:11:353
2502499133,3cyclictest3390-21id11:08:513
2502499133,3cyclictest30598-21grepconf.sh12:25:103
2502499133,3cyclictest29979-21gdbus11:25:343
2502499133,3cyclictest24021-21cp12:24:373
2502499133,3cyclictest22886-21grep10:43:083
2502499133,2cyclictest15101-21rm10:37:013
2502499132,6cyclictest28235-21sshd11:49:183
2502499132,3cyclictest642-21systemd-logind11:24:003
2502499132,3cyclictest642-21systemd-logind10:17:583
25023991312,0cyclictest28521-21lspci11:24:432
25020991312,0cyclictest527-40kipmi011:04:471
25020991312,0cyclictest30633-21kworker/1:410:42:551
25020991312,0cyclictest30633-21kworker/1:410:27:391
25020991312,0cyclictest30633-21kworker/1:410:27:391
25020991311,1cyclictest27980-21lspci10:38:071
25020991311,1cyclictest17387-21kworker/1:211:22:471
2501499130,12cyclictest674-21dbus-daemon10:52:360
2502499123,6cyclictest2630-21sshd12:11:453
2502499123,3cyclictest1863-21sshd09:51:503
2502499122,4cyclictest1-21systemd09:59:533
2502499122,3cyclictest602-21bash12:17:043
2502499121,10cyclictest0-21swapper/309:00:123
25024991210,1cyclictest0-21swapper/312:00:533
2502499120,1cyclictest29979-21gdbus10:10:333
2502399120,11cyclictest424-21lspci11:00:202
2502399120,11cyclictest1667-21bash11:25:102
2502099124,1cyclictest25-21ksoftirqd/111:35:121
25020991212,0cyclictest25893-21kworker/1:411:47:231
25020991211,0cyclictest3441-21kworker/1:210:08:151
25020991211,0cyclictest29729-21kworker/1:212:05:491
25020991211,0cyclictest2317-21kworker/1:209:51:151
25020991211,0cyclictest0-21swapper/109:38:371
25020991210,1cyclictest7592-21kworker/1:212:32:271
25020991210,1cyclictest0-21swapper/112:27:581
2502099120,1cyclictest29979-21gdbus10:17:261
2502099120,11cyclictest0-21swapper/111:26:571
2501499120,1cyclictest26272-21sshd12:00:070
2501499120,1cyclictest0-21swapper/010:11:470
2501499120,11cyclictest0-21swapper/011:46:260
2502499113,4cyclictest13276-21bash09:27:053
2502499113,3cyclictest24369-21sshd09:40:253
2502499110,10cyclictest0-21swapper/311:36:333
2502399119,1cyclictest32625-21sshd12:14:212
25023991110,0cyclictest0-21swapper/211:53:002
2502399110,10cyclictest12934-21lspci10:00:002
2502399110,10cyclictest0-21swapper/209:52:002
2502399110,0cyclictest0-21swapper/210:52:202
2502099119,1cyclictest5579-21kworker/1:209:11:331
2502099119,1cyclictest10427-21kworker/1:309:16:251
2502099110,10cyclictest0-21swapper/110:12:471
2502099110,10cyclictest0-21swapper/109:30:571
2501499119,1cyclictest0-21swapper/011:13:570
2501499110,10cyclictest0-21swapper/011:35:470
2501499110,10cyclictest0-21swapper/009:05:150
53632100,1sleep15362-21grep11:50:051
2502499102,5cyclictest14447-21sshd10:00:093
2502499102,2cyclictest25954-21date08:30:003
2502399109,0cyclictest21092-21sshd12:07:502
2502399109,0cyclictest0-21swapper/210:08:002
2502099109,0cyclictest3441-21kworker/1:210:03:331
2502099109,0cyclictest29009-21kworker/1:112:00:561
2502099108,1cyclictest1263-21kworker/1:207:55:171
2502099100,0cyclictest0-21swapper/111:10:271
2502099100,0cyclictest0-21swapper/108:25:171
2501499109,0cyclictest0-21swapper/009:17:450
2501499108,1cyclictest9571-21lspci09:56:050
2501499108,1cyclictest1947-21sshd11:05:560
2501499100,0cyclictest0-21swapper/012:21:060
2501499100,0cyclictest0-21swapper/010:34:350
250249997,1cyclictest0-21swapper/307:56:223
250249993,2cyclictest1925-21cat08:50:103
250249992,4cyclictest5817-21latency_hist09:00:003
250249992,4cyclictest30208-21cat08:40:123
250249992,4cyclictest27273-21sh07:15:003
250249992,4cyclictest26997-21munin-run07:15:013
250249992,4cyclictest17745-21latency_hist08:10:003
250249992,4cyclictest1691-21expr07:30:113
250249992,4cyclictest12924-21sshd09:10:193
250239998,0cyclictest0-21swapper/209:14:102
250209998,0cyclictest0-21swapper/109:23:381
250209997,1cyclictest25-21ksoftirqd/110:45:441
250149998,0cyclictest0-21swapper/010:38:250
250149998,0cyclictest0-21swapper/009:26:350
250149998,0cyclictest0-21swapper/009:11:050
250149997,1cyclictest5586-21sshd09:41:550
250149990,5cyclictest5606-21munin-run09:00:000
5911280,1sleep25914-21bash12:39:332
250249984,3cyclictest660-21avahi-daemon08:35:003
250249984,3cyclictest18966-21taskset08:10:193
250249983,4cyclictest27141-21timerandwakeup08:30:203
250249982,4cyclictest32142-21grep08:45:113
250249982,2cyclictest6132-21irqstats07:40:153
250249982,2cyclictest32716-21ntpq07:25:163
250249982,2cyclictest31029-21/usr/sbin/munin07:20:193
250249982,2cyclictest14414-21cat08:00:133
250249982,2cyclictest10940-21sed07:50:193
250239987,0cyclictest0-21swapper/209:17:302
250239987,0cyclictest0-21swapper/208:44:202
250239987,0cyclictest0-21swapper/208:10:192
250239987,0cyclictest0-21swapper/207:22:192
250239987,0cyclictest0-21swapper/207:19:192
250239986,1cyclictest674-21dbus-daemon11:47:362
250239986,1cyclictest660-21avahi-daemon12:30:142
250239986,1cyclictest660-21avahi-daemon10:10:322
250239986,1cyclictest4993-21bash10:16:202
250239986,1cyclictest33-21ksoftirqd/210:43:142
250239985,2cyclictest660-21avahi-daemon12:01:452
250239985,2cyclictest660-21avahi-daemon11:30:122
250239985,2cyclictest660-21avahi-daemon10:20:062
250209987,0cyclictest22602-21lspci11:15:531
250209981,1cyclictest25-21ksoftirqd/109:41:411
250149987,0cyclictest0-21swapper/009:24:450
250149986,1cyclictest674-21dbus-daemon12:38:160
250149986,1cyclictest660-21avahi-daemon11:16:220
250149986,1cyclictest660-21avahi-daemon11:02:580
250149986,1cyclictest31012-21sshd11:33:060
250149985,2cyclictest660-21avahi-daemon12:30:260
250149985,2cyclictest660-21avahi-daemon12:10:180
250149985,2cyclictest660-21avahi-daemon10:56:210
250249974,2cyclictest8256-21/usr/sbin/munin07:45:143
250249974,2cyclictest8022-21cpuspeed_turbos09:05:133
250249974,2cyclictest3559-21sshd07:35:013
250249974,2cyclictest21911-21cpu08:20:113
250249974,1cyclictest19847-21sshd08:15:043
250239976,0cyclictest0-21swapper/209:24:312
250239975,1cyclictest649-21polkitd09:45:012
250239974,2cyclictest674-21dbus-daemon10:56:112
250239974,2cyclictest660-21avahi-daemon12:15:152
250239974,2cyclictest642-21systemd-logind11:41:262
250239974,2cyclictest18276-21sshd10:26:222
250239974,2cyclictest18276-21sshd10:26:222
250239974,2cyclictest11112-21sshd09:32:112
250209977,0cyclictest241ktimersoftd/108:00:451
250149975,1cyclictest660-21avahi-daemon11:40:040
250149975,1cyclictest13394-21lspci10:25:570
250149975,1cyclictest13394-21lspci10:25:560
250149974,2cyclictest660-21avahi-daemon10:20:370
250149974,2cyclictest660-21avahi-daemon10:06:080
250149974,2cyclictest660-21avahi-daemon09:50:270
250149970,6cyclictest0-21swapper/007:39:250
250239965,0cyclictest0-21swapper/209:05:002
250239965,0cyclictest0-21swapper/208:26:192
250239960,5cyclictest0-21swapper/208:34:592
250239960,5cyclictest0-21swapper/208:05:292
250209966,0cyclictest29563-21kworker/1:107:25:201
250209966,0cyclictest21684-21kworker/1:008:24:251
250209966,0cyclictest1263-21kworker/1:207:51:501
250209966,0cyclictest1263-21kworker/1:207:49:391
250209964,1cyclictest674-21dbus-daemon09:10:011
250209960,5cyclictest0-21swapper/108:50:071
250149966,0cyclictest17571-21kworker/0:008:16:160
250149963,2cyclictest1002-21snmpd08:53:380
250149960,5cyclictest674-21dbus-daemon08:30:000
250149960,5cyclictest0-21swapper/007:59:150
250149960,5cyclictest0-21swapper/007:50:350
250149960,1cyclictest7411-21munin-run07:45:000
250149960,1cyclictest15548-21crond08:05:000
250239953,1cyclictest660-21avahi-daemon07:55:032
250239953,1cyclictest624-13audispd08:45:192
250239953,1cyclictest6098-21cat07:40:152
250239953,1cyclictest31854-21/usr/sbin/munin07:25:162
250239953,1cyclictest1705-21sendmail07:14:112
250239953,1cyclictest1088-21ntpd07:45:152
250239953,1cyclictest1082-21lldpd08:52:252
250239953,1cyclictest1041-21rpcbind08:57:272
250239953,1cyclictest1002-21snmpd09:05:062
250239953,1cyclictest1002-21snmpd08:39:292
250239953,1cyclictest1002-21snmpd08:20:102
250239953,1cyclictest1002-21snmpd07:53:492
250239953,1cyclictest1002-21snmpd07:35:272
250239953,1cyclictest1002-21snmpd07:30:572
250239950,4cyclictest19851-21sshd08:15:072
250209953,1cyclictest3796-21/usr/sbin/munin08:55:171
250209953,1cyclictest25-21ksoftirqd/109:05:001
250209953,1cyclictest25-21ksoftirqd/107:15:001
250209953,1cyclictest1705-21sendmail08:34:231
250209953,1cyclictest1088-21ntpd07:20:161
250209953,1cyclictest1002-21snmpd08:40:321
250209953,1cyclictest1002-21snmpd08:36:051
250209953,1cyclictest1002-21snmpd07:41:001
250209953,1cyclictest1002-21snmpd07:35:511
250209952,2cyclictest2197-21missed_timers07:30:141
250209952,2cyclictest16659-21ntp_states08:05:171
250209952,2cyclictest1-21systemd08:45:001
250209952,2cyclictest1002-21snmpd08:17:581
250209952,2cyclictest1002-21snmpd07:12:111
250149953,1cyclictest674-21dbus-daemon08:50:000
250149953,1cyclictest674-21dbus-daemon07:20:000
250149953,1cyclictest26466-21cat08:30:140
250149953,1cyclictest25197-21/usr/sbin/munin07:10:120
250149953,1cyclictest1002-21snmpd09:02:480
250149953,1cyclictest1002-21snmpd08:37:170
250149953,1cyclictest1002-21snmpd08:21:010
250149953,1cyclictest1002-21snmpd08:06:290
250149953,1cyclictest1002-21snmpd07:26:470
250149953,1cyclictest1002-21snmpd07:16:440
250149952,2cyclictest1002-21snmpd08:40:170
250149952,2cyclictest1002-21snmpd08:13:040
250239942,1cyclictest14094-21cut08:00:112
250209942,1cyclictest699-21gdbus08:10:001
250149942,1cyclictest2199-21missed_timers07:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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