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2026-04-09 - 19:50
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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 Thu Apr 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295612960,1sleep029542-21sshd09:16:280
309262830,0sleep230927-21sshd10:30:202
250632830,2sleep22260899cyclictest11:36:452
171222730,0sleep0111rcuc/010:18:120
186992570,1sleep218663-21sshd10:57:032
115842560,0sleep111586-21timerandwakeup11:10:201
22608995555,0cyclictest335-21scsi_eh_212:30:052
29492540,0sleep20-21swapper/211:09:412
162172540,0sleep20-21swapper/210:23:382
53792530,0sleep20-21swapper/209:17:292
189632530,2sleep12260799cyclictest12:21:491
43652520,0sleep10-21swapper/112:27:261
114802520,0sleep00-21swapper/010:56:250
253262510,1sleep125221-21sshd10:24:251
111902510,0sleep00-21swapper/009:22:080
77642500,0sleep10-21swapper/109:13:531
161172500,2sleep32260999cyclictest12:01:403
321832490,0sleep20-21swapper/211:40:122
316372490,0sleep10-21swapper/112:32:061
293302490,0sleep30-21swapper/311:11:533
234232490,0sleep00-21swapper/011:50:400
14402490,0sleep00-21swapper/009:52:010
118292490,0sleep0111rcuc/009:55:360
49762480,2sleep02260499cyclictest12:20:200
225892480,0sleep20-21swapper/210:49:052
234492420,0sleep10-21swapper/110:32:311
89492360,0sleep00-21swapper/009:10:070
240742350,0sleep024057-21rm09:40:110
223262297,7sleep10-21swapper/107:07:531
223652286,7sleep00-21swapper/007:08:240
194112270,0sleep119413-21grepconf.sh11:22:141
312042220,0sleep00-21swapper/011:00:530
2249822210,7sleep20-21swapper/207:09:582
2174322210,7sleep30-21swapper/307:05:193
70872190,0sleep30-21swapper/311:15:313
50652190,0sleep30-21swapper/309:52:203
172112190,0sleep10-21swapper/111:38:561
318772180,2sleep12260799cyclictest09:43:371
258232180,0sleep00-21swapper/011:28:260
41632170,1sleep30-21swapper/309:21:163
324092160,0sleep11026-21sshd11:51:291
285712160,0sleep00-21swapper/010:02:380
22607991615,0cyclictest11199-21kworker/1:409:25:261
69332150,1sleep06929-21sshd10:28:210
22607991514,0cyclictest4820-21kworker/1:011:47:041
22607991514,0cyclictest20264-21kworker/1:410:45:001
212982150,0sleep20-21swapper/210:37:522
170982150,0sleep117100-21bash09:30:341
151012150,0sleep20-21swapper/210:51:112
305602140,0sleep00-21swapper/011:17:350
22607991414,0cyclictest241ktimersoftd/110:11:051
22607991413,1cyclictest31020-21kworker/1:411:19:391
22607991413,1cyclictest12199-21kworker/1:111:02:291
22607991413,0cyclictest9038-21lspci09:36:081
22607991413,0cyclictest25053-21kworker/1:111:29:431
22607991413,0cyclictest20264-21kworker/1:410:48:381
22607991412,1cyclictest18556-21kworker/1:010:57:181
2260499140,12cyclictest9584-21diskstats07:55:120
190362140,0sleep00-21swapper/010:54:200
162552140,1sleep016260-21bash11:05:140
48782130,0sleep10-21swapper/112:16:481
252672130,0sleep019034-1kworker/0:2H10:21:370
22609991313,0cyclictest75750irq/24-eno1-rx-12:30:053
2260999130,1cyclictest27924-21lspci10:08:053
2260899130,1cyclictest0-21swapper/209:34:462
2260899130,12cyclictest15072-21sshd09:39:272
2260799136,1cyclictest25-21ksoftirqd/110:19:341
22607991313,0cyclictest31020-21kworker/1:411:40:371
22607991313,0cyclictest22503-21kworker/1:112:37:401
22607991313,0cyclictest18411-21kworker/1:107:20:181
22607991312,0cyclictest32034-21lspci10:35:581
22607991312,0cyclictest10754-21kworker/1:109:58:111
2260999120,1cyclictest27803-21grep10:13:363
2260999120,11cyclictest622-13audispd11:24:263
2260999120,11cyclictest0-21swapper/311:48:163
2260999120,11cyclictest0-21swapper/311:43:363
2260999120,11cyclictest0-21swapper/311:06:563
2260999120,11cyclictest0-21swapper/310:26:463
2260999120,11cyclictest0-21swapper/309:32:553
22608991210,1cyclictest1-21systemd12:17:462
2260899120,1cyclictest15161-21sshd10:04:172
2260899120,11cyclictest0-21swapper/210:42:372
2260799123,1cyclictest25-21ksoftirqd/112:08:231
22607991212,0cyclictest241ktimersoftd/108:06:381
22607991212,0cyclictest17613-21kworker/1:309:20:041
22607991211,0cyclictest31473-21kworker/1:208:50:151
2260799120,9cyclictest20346-21kworker/1:010:08:311
2260799120,11cyclictest0-21swapper/110:52:321
164902120,1sleep016483-21sshd12:18:040
152762120,1sleep09-21ksoftirqd/012:10:430
2260999119,1cyclictest0-21swapper/312:20:263
22609991110,0cyclictest0-21swapper/311:04:553
2260999110,10cyclictest0-21swapper/311:50:353
2260999110,10cyclictest0-21swapper/310:04:163
2260899110,1cyclictest21280-21sshd09:59:162
2260899110,10cyclictest0-21swapper/212:22:472
2260899110,10cyclictest0-21swapper/211:27:362
2260799112,3cyclictest699-21gdbus11:31:091
2260799111,3cyclictest674-21dbus-daemon10:01:401
2260799111,1cyclictest25-21ksoftirqd/111:06:211
2260499119,1cyclictest546-21sshd10:33:220
22604991110,0cyclictest0-21swapper/010:40:520
323172100,0sleep10-21swapper/109:16:481
2260999109,0cyclictest0-21swapper/311:38:553
2260999108,1cyclictest10423-21sshd11:29:553
2260999100,0cyclictest0-21swapper/312:38:073
2260999100,0cyclictest0-21swapper/310:21:353
2260999100,0cyclictest0-21swapper/309:11:263
2260899109,0cyclictest0-21swapper/212:10:272
2260899109,0cyclictest0-21swapper/210:11:362
2260899109,0cyclictest0-21swapper/209:22:372
2260899109,0cyclictest0-21swapper/209:11:272
2260899109,0cyclictest0-21swapper/209:09:562
2260899109,0cyclictest0-21swapper/208:05:172
2260899100,9cyclictest0-21swapper/208:57:472
2260899100,0cyclictest0-21swapper/212:08:062
2260899100,0cyclictest0-21swapper/211:18:562
2260899100,0cyclictest0-21swapper/209:27:472
2260799105,1cyclictest25-21ksoftirqd/109:51:251
2260799101,0cyclictest121rcu_preempt09:45:171
22607991010,0cyclictest31473-21kworker/1:209:04:381
22607991010,0cyclictest241ktimersoftd/112:00:521
2260499109,0cyclictest0-21swapper/012:06:210
2260499109,0cyclictest0-21swapper/009:35:020
2260499108,1cyclictest699-21gdbus10:36:310
2260499108,1cyclictest642-21systemd-logind12:31:010
226099998,0cyclictest0-21swapper/311:55:163
226099998,0cyclictest0-21swapper/307:29:563
226099997,1cyclictest41-21ksoftirqd/312:05:113
226099997,1cyclictest29977-21packagekitd09:19:153
226099996,2cyclictest22660-21sshd10:18:413
226099996,1cyclictest660-21avahi-daemon09:47:403
226089998,0cyclictest0-21swapper/212:36:372
226089997,1cyclictest33-21ksoftirqd/211:52:572
226089997,1cyclictest28335-21sshd11:34:172
226089997,1cyclictest27971-21sshd11:11:472
226079999,0cyclictest241ktimersoftd/108:31:431
226079999,0cyclictest15176-21kworker/1:108:22:421
226079997,1cyclictest25-21ksoftirqd/110:25:141
226079996,1cyclictest25-21ksoftirqd/112:10:471
226079990,3cyclictest25-21ksoftirqd/111:56:201
226049998,0cyclictest0-21swapper/008:15:410
226049998,0cyclictest0-21swapper/007:15:420
226099987,0cyclictest0-21swapper/309:25:563
226099987,0cyclictest0-21swapper/308:04:553
226099987,0cyclictest0-21swapper/307:30:163
226099986,1cyclictest41-21ksoftirqd/312:16:553
226099986,1cyclictest41-21ksoftirqd/310:46:273
226099986,1cyclictest25114-21lspci10:35:223
226099986,1cyclictest19914-21lspci11:30:393
226099985,2cyclictest660-21avahi-daemon10:56:013
226099985,2cyclictest660-21avahi-daemon10:40:173
226099985,2cyclictest660-21avahi-daemon09:41:353
226099985,2cyclictest29173-21sshd10:30:133
226099980,0cyclictest131rcu_sched12:32:143
226089987,0cyclictest0-21swapper/210:28:472
226089987,0cyclictest0-21swapper/210:05:272
226089987,0cyclictest0-21swapper/209:50:472
226089987,0cyclictest0-21swapper/209:48:272
226089986,1cyclictest2093-21lspci10:16:542
226089985,2cyclictest660-21avahi-daemon12:04:472
226089985,2cyclictest660-21avahi-daemon11:56:012
226089985,2cyclictest660-21avahi-daemon11:48:572
226089985,2cyclictest660-21avahi-daemon11:22:272
226089985,2cyclictest660-21avahi-daemon11:02:552
226089985,2cyclictest660-21avahi-daemon09:40:452
226079988,0cyclictest241ktimersoftd/109:05:301
226079988,0cyclictest241ktimersoftd/108:43:551
226079988,0cyclictest241ktimersoftd/107:38:301
226079988,0cyclictest241ktimersoftd/107:32:101
226079987,1cyclictest18411-21kworker/1:107:10:131
226079987,0cyclictest0-21swapper/108:55:231
226079986,1cyclictest21282-21kworker/1:008:45:141
226049986,1cyclictest26142-21lspci11:56:410
226049986,1cyclictest25231-21lspci12:39:000
226049986,1cyclictest18811-21lspci11:41:480
226049986,1cyclictest12415-21lspci11:24:290
226049985,2cyclictest660-21avahi-daemon11:30:280
226049985,2cyclictest660-21avahi-daemon10:11:350
226049985,2cyclictest660-21avahi-daemon10:07:080
226049985,2cyclictest5766-21sshd11:49:120
226049980,4cyclictest2975-21munin-run07:39:590
226099975,1cyclictest41-21ksoftirqd/310:54:453
226099975,1cyclictest41-21ksoftirqd/309:35:233
226099974,2cyclictest660-21avahi-daemon12:11:083
226099974,2cyclictest660-21avahi-daemon09:56:483
226089974,2cyclictest28958-21sshd12:31:352
226079977,0cyclictest7073-21kworker/1:208:03:471
226079977,0cyclictest241ktimersoftd/108:26:411
226079977,0cyclictest241ktimersoftd/108:16:191
226079977,0cyclictest241ktimersoftd/108:15:001
226079977,0cyclictest241ktimersoftd/107:57:561
226079977,0cyclictest241ktimersoftd/107:53:341
226079977,0cyclictest241ktimersoftd/107:47:531
226079977,0cyclictest18411-21kworker/1:107:18:541
226049977,0cyclictest31516-21kworker/0:108:53:490
226049976,0cyclictest17366-21kworker/0:109:25:250
226049976,0cyclictest0-21swapper/008:06:420
226049975,1cyclictest674-21dbus-daemon09:45:450
226049975,1cyclictest660-21avahi-daemon11:10:260
226049975,1cyclictest660-21avahi-daemon09:31:230
226049975,1cyclictest649-21polkitd11:35:160
226049974,2cyclictest674-21dbus-daemon12:01:350
226049974,2cyclictest660-21avahi-daemon10:45:400
226049974,2cyclictest19088-21sshd12:25:270
226099965,0cyclictest0-21swapper/309:02:553
226099965,0cyclictest0-21swapper/308:31:163
226099964,1cyclictest674-21dbus-daemon08:20:003
226099964,1cyclictest1002-21snmpd08:48:273
226099963,2cyclictest1002-21snmpd08:57:363
226099963,2cyclictest1002-21snmpd08:51:593
226099963,2cyclictest1002-21snmpd08:23:423
226099963,2cyclictest1002-21snmpd08:06:413
226099963,2cyclictest1002-21snmpd07:55:353
226099963,2cyclictest1002-21snmpd07:51:043
226099963,2cyclictest1002-21snmpd07:17:343
226089963,2cyclictest1002-21snmpd07:19:582
226079966,0cyclictest241ktimersoftd/107:44:221
226079966,0cyclictest241ktimersoftd/107:27:081
226079966,0cyclictest21282-21kworker/1:008:36:541
226049966,0cyclictest4937-21kworker/0:007:25:140
226049966,0cyclictest11138-21kworker/0:008:01:480
226049965,0cyclictest0-21swapper/009:01:420
226049965,0cyclictest0-21swapper/008:27:410
226049965,0cyclictest0-21swapper/008:20:120
226049965,0cyclictest0-21swapper/007:30:120
226049963,2cyclictest1002-21snmpd07:12:230
226049960,5cyclictest0-21swapper/007:44:020
226099953,1cyclictest22681-21find08:25:193
226099953,1cyclictest1002-21snmpd09:05:373
226099953,1cyclictest1002-21snmpd08:44:063
226099953,1cyclictest1002-21snmpd08:36:563
226099953,1cyclictest1002-21snmpd08:10:223
226099953,1cyclictest1002-21snmpd07:47:363
226099953,1cyclictest1002-21snmpd07:42:283
226099953,1cyclictest1002-21snmpd07:35:363
226099953,1cyclictest1002-21snmpd07:10:383
226089953,1cyclictest7999-21nfsd07:50:152
226089953,1cyclictest660-21avahi-daemon07:55:202
226089953,1cyclictest31980-21cat07:30:132
226089953,1cyclictest28141-21cat08:40:122
226089953,1cyclictest21984-21cat08:25:132
226089953,1cyclictest1705-21sendmail08:35:442
226089953,1cyclictest1705-21sendmail08:03:012
226089953,1cyclictest1002-21snmpd09:01:582
226089953,1cyclictest1002-21snmpd08:53:292
226089953,1cyclictest1002-21snmpd08:46:512
226089953,1cyclictest1002-21snmpd08:31:512
226089953,1cyclictest1002-21snmpd08:23:142
226089953,1cyclictest1002-21snmpd08:16:472
226089953,1cyclictest1002-21snmpd08:14:012
226089953,1cyclictest1002-21snmpd07:46:092
226089953,1cyclictest1002-21snmpd07:40:552
226089953,1cyclictest1002-21snmpd07:35:182
226089953,1cyclictest1002-21snmpd07:25:582
226089952,2cyclictest1002-21snmpd07:10:112
226089950,0cyclictest0-21swapper/207:20:262
226049955,0cyclictest4995-21kworker/0:207:50:100
226049955,0cyclictest4995-21kworker/0:207:45:130
226049955,0cyclictest4937-21kworker/0:007:20:210
226049955,0cyclictest27436-21kworker/0:008:48:470
226049953,1cyclictest26099-21cat08:35:140
226049953,1cyclictest24928-21grep08:30:190
226049953,1cyclictest1865-21cat08:55:130
226049953,1cyclictest15922-21cat08:10:130
226049953,1cyclictest1088-21ntpd09:05:160
226049953,1cyclictest1002-21snmpd08:41:020
226099942,1cyclictest27906-21cat07:20:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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