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2026-04-19 - 13:44
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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 Sun Apr 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139162950,2sleep1358999cyclictest11:48:181
277722810,0sleep10-21swapper/111:24:421
33302630,1sleep1241ktimersoftd/112:09:331
110162560,1sleep011012-21sshd10:52:490
116942550,1sleep21-21systemd09:46:152
116342550,1sleep11-21systemd10:02:561
326332530,0sleep00-21swapper/009:48:050
257352530,0sleep20-21swapper/211:46:312
268072520,0sleep30-21swapper/311:57:413
140052510,0sleep20-21swapper/210:22:352
299082500,0sleep30-21swapper/310:29:333
253752500,1sleep341-21ksoftirqd/312:00:173
231862500,0sleep20-21swapper/209:55:322
231862500,0sleep20-21swapper/209:55:322
220812500,0sleep022084-21grep11:40:400
220812500,0sleep022084-21grep11:40:400
312392490,0sleep20-21swapper/210:49:032
203202490,0sleep10-21swapper/109:17:381
18492490,1sleep11844-21lspci09:37:071
146572490,0sleep20-21swapper/211:09:452
110372490,1sleep0674-21dbus-daemon10:41:440
100782490,1sleep010077-21seq09:12:280
279732480,1sleep027969-21lspci12:03:190
140792480,0sleep00-21swapper/011:04:110
259862470,1sleep025981-21sshd11:54:540
230612470,0sleep00-21swapper/011:46:170
195372460,0sleep10-21swapper/110:48:021
34552380,0sleep23453-21bash10:55:002
166523226,3sleep30-21swapper/307:05:103
32742298,7sleep20-21swapper/207:07:332
33772287,7sleep00-21swapper/007:08:490
317822211,7sleep10-21swapper/107:06:211
234242190,0sleep10-21swapper/110:40:051
93882180,1sleep39384-21lspci09:12:233
306582180,0sleep10-21swapper/109:30:321
102872180,0sleep10-21swapper/109:48:581
358999170,15cyclictest674-21dbus-daemon09:11:101
3583991717,0cyclictest101ktimersoftd/007:16:290
3583991715,1cyclictest9-21ksoftirqd/012:34:090
278062170,1sleep127794-21lspci11:16:221
123642170,0sleep30-21swapper/311:26:053
3583991616,0cyclictest26472-21kworker/0:008:59:320
3583991616,0cyclictest12209-21kworker/0:107:51:460
3583991616,0cyclictest12209-21kworker/0:107:45:100
258722160,0sleep00-21swapper/012:39:120
358399158,1cyclictest9-21ksoftirqd/009:57:320
358399158,1cyclictest9-21ksoftirqd/009:57:320
3583991515,0cyclictest26472-21kworker/0:009:06:180
3583991515,0cyclictest26472-21kworker/0:008:52:360
3583991515,0cyclictest26472-21kworker/0:008:42:320
3583991515,0cyclictest26472-21kworker/0:008:23:270
3583991515,0cyclictest26472-21kworker/0:008:18:160
3583991514,0cyclictest26472-21kworker/0:008:33:420
280352150,1sleep328021-21sshd11:13:393
13482150,0sleep10-21swapper/112:34:201
126492150,1sleep1241ktimersoftd/107:30:111
58132140,0sleep20-21swapper/212:09:452
358399145,1cyclictest9-21ksoftirqd/012:16:190
358399145,1cyclictest9-21ksoftirqd/011:58:030
358399145,1cyclictest9-21ksoftirqd/010:00:070
3583991414,0cyclictest26472-21kworker/0:008:37:200
3583991414,0cyclictest26472-21kworker/0:008:28:300
3583991414,0cyclictest26472-21kworker/0:008:09:160
3583991414,0cyclictest12209-21kworker/0:107:58:520
3583991414,0cyclictest12209-21kworker/0:107:44:500
3583991414,0cyclictest12209-21kworker/0:107:36:300
3583991414,0cyclictest12209-21kworker/0:107:31:080
3583991414,0cyclictest1087-21kworker/0:207:13:380
358399140,12cyclictest28069-21sshd11:10:490
160012140,1sleep20-21swapper/210:14:262
360299130,1cyclictest7654-21bash09:57:023
360299130,1cyclictest7654-21bash09:57:023
360299130,12cyclictest0-21swapper/309:51:123
360299130,12cyclictest0-21swapper/309:51:123
360299130,11cyclictest23375-21sshd10:31:423
3593991311,1cyclictest10410-21lspci11:39:462
3589991311,1cyclictest10599-21sshd12:37:511
358399135,1cyclictest9-21ksoftirqd/012:07:030
358399134,1cyclictest9-21ksoftirqd/010:25:450
358399134,1cyclictest9-21ksoftirqd/010:08:220
358399133,1cyclictest9-21ksoftirqd/010:21:270
358399133,1cyclictest9-21ksoftirqd/010:15:220
358399132,3cyclictest9-21ksoftirqd/010:37:240
358399132,1cyclictest9-21ksoftirqd/010:57:410
358399132,1cyclictest16125-21grep12:10:320
3583991313,0cyclictest12209-21kworker/0:108:02:100
3583991310,2cyclictest699-21gdbus10:46:390
316992130,0sleep20-21swapper/211:33:172
282532130,0sleep20-21swapper/210:09:582
247432130,1sleep0111rcuc/009:36:190
213422130,0sleep00-21swapper/011:18:370
138242130,0sleep20-21swapper/211:42:462
138242130,0sleep20-21swapper/211:42:452
3593991210,1cyclictest29979-21gdbus11:04:062
359399120,1cyclictest22846-21bash10:28:562
359399120,1cyclictest1026-21sshd10:04:462
359399120,11cyclictest13778-21sshd12:21:262
3589991210,1cyclictest12242-21sshd09:54:411
3589991210,1cyclictest12242-21sshd09:54:411
358999120,11cyclictest19338-21bash11:26:411
358999120,11cyclictest11908-21sshd12:29:411
358399127,1cyclictest9-21ksoftirqd/012:20:180
358399126,2cyclictest9-21ksoftirqd/011:37:090
358399125,1cyclictest9-21ksoftirqd/009:53:200
358399125,1cyclictest9-21ksoftirqd/009:53:190
358399124,1cyclictest9-21ksoftirqd/012:27:390
358399123,2cyclictest699-21gdbus10:12:040
358399122,2cyclictest9-21ksoftirqd/011:07:480
358399122,1cyclictest9-21ksoftirqd/011:22:330
358399121,2cyclictest7989-21sshd11:25:410
358399121,2cyclictest649-21polkitd09:40:390
3583991212,0cyclictest26472-21kworker/0:008:12:340
3583991212,0cyclictest26472-21kworker/0:008:12:340
3583991212,0cyclictest1087-21kworker/0:207:29:440
3583991212,0cyclictest1087-21kworker/0:207:24:210
267762120,0sleep126775-21grep11:41:051
267762120,0sleep126775-21grep11:41:051
360299119,1cyclictest29916-21sshd10:01:413
3602991110,0cyclictest0-21swapper/310:46:223
360299110,10cyclictest11447-21sshd10:52:523
360299110,10cyclictest0-21swapper/311:46:323
360299110,10cyclictest0-21swapper/310:22:223
3593991110,0cyclictest0-21swapper/207:40:162
359399110,10cyclictest0-21swapper/212:03:262
359399110,10cyclictest0-21swapper/209:33:162
358999119,1cyclictest30239-21lspci11:35:511
3589991110,0cyclictest0-21swapper/109:55:511
3589991110,0cyclictest0-21swapper/109:55:501
358999110,10cyclictest11330-21sshd10:22:211
358999110,10cyclictest0-21swapper/110:34:011
358399111,2cyclictest9-21ksoftirqd/009:32:220
358399111,1cyclictest9-21ksoftirqd/010:30:340
358399111,1cyclictest9-21ksoftirqd/009:26:070
358399111,1cyclictest9-21ksoftirqd/009:15:420
3583991111,0cyclictest26472-21kworker/0:009:01:360
358399110,2cyclictest9-21ksoftirqd/009:23:000
358399110,0cyclictest0-21swapper/011:30:090
360299109,0cyclictest0-21swapper/310:41:213
360299109,0cyclictest0-21swapper/309:26:223
360299109,0cyclictest0-21swapper/307:10:123
360299108,1cyclictest0-21swapper/312:18:223
360299107,2cyclictest660-21avahi-daemon11:37:473
360299107,2cyclictest0-21swapper/309:48:513
360299100,0cyclictest0-21swapper/311:33:513
360299100,0cyclictest0-21swapper/310:35:193
359399109,0cyclictest0-21swapper/211:12:562
359399109,0cyclictest0-21swapper/210:32:262
359399108,1cyclictest0-21swapper/211:57:562
359399100,0cyclictest0-21swapper/211:15:462
358999109,0cyclictest0-21swapper/112:13:411
358999109,0cyclictest0-21swapper/111:57:111
358999100,0cyclictest0-21swapper/111:14:111
128092100,2sleep2359399cyclictest12:15:472
36029998,0cyclictest0-21swapper/309:21:113
36029997,1cyclictest1-21systemd09:39:323
36029995,3cyclictest660-21avahi-daemon12:21:363
36029995,3cyclictest660-21avahi-daemon11:18:013
35939998,0cyclictest0-21swapper/211:23:262
35939998,0cyclictest0-21swapper/210:40:562
35939998,0cyclictest0-21swapper/209:24:262
35939998,0cyclictest0-21swapper/208:23:562
35939997,1cyclictest0-21swapper/209:12:152
35939990,0cyclictest0-21swapper/208:38:062
35899998,0cyclictest0-21swapper/111:00:311
35899998,0cyclictest0-21swapper/109:42:111
35899998,0cyclictest0-21swapper/108:20:211
35899997,1cyclictest25-21ksoftirqd/110:18:101
35899995,3cyclictest699-21gdbus12:02:001
35839999,0cyclictest26472-21kworker/0:008:47:140
28436290,0sleep10-21swapper/111:08:081
23380290,0sleep10-21swapper/110:53:551
36029987,0cyclictest0-21swapper/311:00:323
36029987,0cyclictest0-21swapper/310:13:023
36029986,1cyclictest660-21avahi-daemon11:09:383
36029986,1cyclictest594-21lspci12:31:253
36029986,1cyclictest2668-21sshd11:52:523
36029985,2cyclictest660-21avahi-daemon11:22:263
36029985,2cyclictest660-21avahi-daemon10:56:413
36029985,2cyclictest660-21avahi-daemon10:16:443
36029985,2cyclictest660-21avahi-daemon10:09:213
36029985,2cyclictest660-21avahi-daemon09:17:403
36029985,2cyclictest20267-21sshd12:08:113
36029984,3cyclictest660-21avahi-daemon09:31:293
35939987,0cyclictest0-21swapper/208:10:062
35939987,0cyclictest0-21swapper/208:10:052
35939987,0cyclictest0-21swapper/207:13:562
35939986,1cyclictest9101-21lspci10:35:582
35939986,1cyclictest660-21avahi-daemon09:39:282
35939985,2cyclictest660-21avahi-daemon12:13:292
35939985,2cyclictest660-21avahi-daemon09:40:552
35939985,2cyclictest660-21avahi-daemon09:17:522
35939984,3cyclictest660-21avahi-daemon11:53:462
35899987,0cyclictest0-21swapper/110:35:111
35899987,0cyclictest0-21swapper/108:10:011
35899987,0cyclictest0-21swapper/108:10:001
35899987,0cyclictest0-21swapper/107:53:511
35899987,0cyclictest0-21swapper/107:43:411
35899985,2cyclictest30125-21sshd12:17:181
35899984,3cyclictest660-21avahi-daemon11:50:451
35899983,4cyclictest660-21avahi-daemon09:27:361
35899983,2cyclictest674-21dbus-daemon12:22:031
35899983,1cyclictest0-21swapper/110:12:021
36029975,1cyclictest660-21avahi-daemon09:42:043
36029975,1cyclictest23024-21sshd12:25:043
36029975,1cyclictest20113-21lspci11:40:293
36029975,1cyclictest20113-21lspci11:40:293
36029974,2cyclictest22576-21sshd12:11:073
36029972,2cyclictest674-21dbus-daemon12:35:003
35939976,0cyclictest0-21swapper/208:01:062
35939975,1cyclictest674-21dbus-daemon10:56:172
35939975,1cyclictest660-21avahi-daemon12:30:092
35939975,1cyclictest660-21avahi-daemon12:25:562
35939975,1cyclictest660-21avahi-daemon10:16:052
35939974,2cyclictest660-21avahi-daemon12:35:392
35939974,2cyclictest660-21avahi-daemon09:50:032
35939974,2cyclictest660-21avahi-daemon09:50:032
35939974,2cyclictest660-21avahi-daemon09:28:092
35939974,2cyclictest1092-21sshd11:25:122
35899976,0cyclictest0-21swapper/107:12:011
35899975,1cyclictest660-21avahi-daemon09:20:171
35899975,1cyclictest15746-21lspci10:25:261
35899974,2cyclictest660-21avahi-daemon11:30:571
35899974,2cyclictest649-21polkitd10:05:311
35899973,1cyclictest642-21systemd-logind10:55:011
36029964,1cyclictest660-21avahi-daemon08:50:003
36029963,2cyclictest1002-21snmpd08:56:293
36029963,2cyclictest1002-21snmpd07:15:393
35939965,0cyclictest0-21swapper/208:45:262
35939965,0cyclictest0-21swapper/208:05:362
35939960,0cyclictest0-21swapper/207:20:462
35899964,1cyclictest698-21gdbus09:09:451
35899963,2cyclictest1002-21snmpd08:02:491
36029954,0cyclictest0-21swapper/307:44:323
36029954,0cyclictest0-21swapper/307:35:023
36029953,1cyclictest660-21avahi-daemon07:27:383
36029953,1cyclictest649-21polkitd09:09:493
36029953,1cyclictest21058-21cat07:50:143
36029953,1cyclictest1002-21snmpd09:04:573
36029953,1cyclictest1002-21snmpd08:50:113
36029953,1cyclictest1002-21snmpd08:40:263
36029953,1cyclictest1002-21snmpd08:35:563
36029953,1cyclictest1002-21snmpd08:32:113
36029953,1cyclictest1002-21snmpd08:26:443
36029953,1cyclictest1002-21snmpd08:21:053
36029953,1cyclictest1002-21snmpd08:17:133
36029953,1cyclictest1002-21snmpd07:55:153
36029953,1cyclictest1002-21snmpd07:48:573
36029953,1cyclictest1002-21snmpd07:32:293
36029953,1cyclictest1002-21snmpd07:21:183
36029952,2cyclictest1002-21snmpd08:01:013
36029950,4cyclictest27545-21awk08:05:173
36029950,4cyclictest0-21swapper/308:10:193
36029950,4cyclictest0-21swapper/308:10:193
35939954,0cyclictest0-21swapper/208:57:562
35939954,0cyclictest0-21swapper/207:48:062
35939953,1cyclictest646-21lsmd07:30:392
35939953,1cyclictest646-21lsmd07:25:542
35939953,1cyclictest1088-21ntpd08:30:182
35939953,1cyclictest1002-21snmpd09:00:092
35939953,1cyclictest1002-21snmpd08:53:212
35939953,1cyclictest1002-21snmpd08:26:172
35939953,1cyclictest1002-21snmpd08:15:192
35939953,1cyclictest1002-21snmpd07:57:552
35939953,1cyclictest1002-21snmpd07:35:152
35939953,1cyclictest1002-21snmpd07:15:152
35939952,2cyclictest9088-21cat08:40:122
35939952,2cyclictest19121-21grep09:05:132
35899954,1cyclictest10421-21kworker/1:208:55:511
35899954,0cyclictest0-21swapper/107:19:511
35899953,1cyclictest8637-21/usr/sbin/munin08:40:131
35899953,1cyclictest660-21avahi-daemon07:35:031
35899953,1cyclictest3008-21cat08:25:141
35899953,1cyclictest1705-21sendmail08:51:171
35899953,1cyclictest1002-21snmpd09:01:091
35899953,1cyclictest1002-21snmpd08:45:131
35899953,1cyclictest1002-21snmpd08:37:471
35899953,1cyclictest1002-21snmpd08:18:071
35899953,1cyclictest1002-21snmpd08:08:251
35899953,1cyclictest1002-21snmpd07:55:401
35899953,1cyclictest1002-21snmpd07:46:321
35899953,1cyclictest1002-21snmpd07:25:511
35899953,1cyclictest1002-21snmpd07:20:351
35899950,1cyclictest4566-21/usr/sbin/munin08:30:181
35939942,1cyclictest21095-21cat07:50:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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