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2026-04-01 - 15:12
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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 Wed Apr 01, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69372720,0sleep00-21swapper/009:52:210
65992600,0sleep1231rcuc/110:44:331
182752560,1sleep2674-21dbus-daemon09:42:222
81532550,0sleep10-21swapper/111:12:091
236722550,1sleep223673-21bash10:01:572
104092550,0sleep20-21swapper/209:52:382
298352540,0sleep00-21swapper/012:06:150
54802530,1sleep35481-21sshd12:23:283
225492530,0sleep00-21swapper/011:27:100
256352520,0sleep20-21swapper/210:18:342
230472520,1sleep023045-21sshd12:16:400
94592510,0sleep30-21swapper/309:17:563
202562510,0sleep20-21swapper/210:53:552
116662510,0sleep20-21swapper/211:04:132
102522510,0sleep00-21swapper/010:55:460
56152500,0sleep00-21swapper/009:38:350
45592500,1sleep125-21ksoftirqd/110:16:451
294762500,0sleep30-21swapper/311:19:323
23932490,0sleep10-21swapper/112:37:161
156002490,0sleep10-21swapper/111:40:151
14062490,0sleep20-21swapper/209:32:372
129212490,0sleep3401ktimersoftd/309:52:513
293012480,0sleep10-21swapper/112:08:591
232642480,0sleep10-21swapper/111:07:561
188272470,0sleep018828-21sshd11:51:330
114402470,0sleep30-21swapper/310:47:393
269032460,0sleep10-21swapper/110:54:301
258972460,0sleep00-21swapper/011:35:390
110512450,0sleep10-21swapper/112:15:371
2245923328,3sleep20-21swapper/207:06:172
224342298,7sleep10-21swapper/107:06:001
213562229,7sleep30-21swapper/307:05:143
22868992120,0cyclictest12869-21lspci11:31:502
22868992120,0cyclictest12869-21lspci11:31:502
2245222110,7sleep00-21swapper/007:06:120
69552190,1sleep3674-21dbus-daemon12:31:483
2286299184,7cyclictest674-21dbus-daemon10:58:271
104392180,1sleep210440-21grepconf.sh09:14:092
2286299170,1cyclictest30806-21lspci09:12:421
2286299170,1cyclictest15256-21sshd12:29:501
59432160,1sleep25946-21bash12:31:442
31392160,0sleep20-21swapper/211:17:142
2286299164,6cyclictest649-21polkitd12:12:211
2286299163,7cyclictest649-21polkitd09:30:031
2286299160,2cyclictest4333-21id11:55:461
2286299160,11cyclictest0-21swapper/111:47:191
31272150,0sleep30-21swapper/311:14:313
283612150,0sleep00-21swapper/011:33:100
283612150,0sleep00-21swapper/011:33:090
22874991514,0cyclictest401ktimersoftd/309:39:493
2286299154,5cyclictest17458-21sshd10:23:221
2286299153,7cyclictest674-21dbus-daemon10:36:121
2286299152,6cyclictest674-21dbus-daemon11:23:231
2286299150,8cyclictest1-21systemd10:32:101
2286299150,5cyclictest674-21dbus-daemon11:04:211
2286299150,1cyclictest4479-21sshd09:38:301
2286299150,1cyclictest22180-21sshd09:42:421
2286299150,1cyclictest0-21swapper/109:51:181
2285599152,1cyclictest111rcuc/011:02:010
2285599150,1cyclictest4221-21sshd11:06:170
16932150,0sleep00-21swapper/010:49:360
2287499140,1cyclictest32755-21sshd11:25:163
22868991414,0cyclictest321ktimersoftd/208:11:102
2286299145,5cyclictest660-21avahi-daemon09:23:381
2286299143,7cyclictest674-21dbus-daemon09:46:181
2286299143,6cyclictest649-21polkitd09:15:081
2286299143,5cyclictest649-21polkitd12:22:211
2286299142,5cyclictest19970-21sshd12:32:571
2286299141,6cyclictest674-21dbus-daemon10:46:511
2286299140,1cyclictest28750-21bash10:29:491
2286299140,1cyclictest1-21systemd11:38:421
2285599143,3cyclictest9-21ksoftirqd/012:13:270
2285599143,1cyclictest9-21ksoftirqd/010:31:220
2285599140,1cyclictest19628-21lspci09:45:140
182112140,1sleep218214-21bash11:29:362
107522140,0sleep1231rcuc/112:01:511
36792130,0sleep00-21swapper/009:17:120
29142130,0sleep20-21swapper/210:05:372
2286899133,2cyclictest649-21polkitd09:27:052
22868991313,0cyclictest321ktimersoftd/207:34:012
22868991311,1cyclictest33-21ksoftirqd/211:57:412
22868991311,1cyclictest25367-21sshd10:37:512
22868991311,1cyclictest0-21swapper/209:47:312
2286299135,4cyclictest5034-21lspci09:29:101
2286299134,5cyclictest649-21polkitd10:01:321
2286299133,7cyclictest20251-21cat08:20:151
2286299133,6cyclictest649-21polkitd11:30:511
2286299133,6cyclictest649-21polkitd11:30:511
2286299133,4cyclictest9910-21lspci10:11:441
2286299130,1cyclictest28595-21sshd09:56:541
2286299130,1cyclictest21940-21sshd11:16:031
2286299130,12cyclictest30858-21tty11:25:091
2285599134,3cyclictest9-21ksoftirqd/011:10:480
2285599134,2cyclictest9-21ksoftirqd/009:23:000
2285599133,1cyclictest9-21ksoftirqd/009:58:290
2285599132,1cyclictest9-21ksoftirqd/009:33:280
2285599131,1cyclictest101ktimersoftd/010:05:380
2285599130,12cyclictest23063-21sshd12:33:130
16252130,0sleep30-21swapper/310:44:063
22874991210,1cyclictest30889-21kworker/3:112:16:463
2287499120,1cyclictest30621-21lspci10:05:163
2287499120,11cyclictest13919-21lspci11:09:553
2287499120,11cyclictest12466-21sshd11:34:363
2287499120,11cyclictest12466-21sshd11:34:353
2286899129,0cyclictest0-21swapper/210:47:212
2286899125,1cyclictest33-21ksoftirqd/212:18:492
2286899125,1cyclictest33-21ksoftirqd/212:12:032
2286899121,3cyclictest33-21ksoftirqd/210:33:492
22868991210,1cyclictest2628-21sshd10:55:102
22868991210,1cyclictest26236-21sshd11:41:102
22868991210,1cyclictest0-21swapper/210:14:012
2286899120,1cyclictest0-21swapper/211:07:112
2286899120,11cyclictest875-21lspci09:35:212
2286899120,11cyclictest15067-21grep11:48:312
2286299121,5cyclictest3541-21sshd11:50:161
2286299120,1cyclictest31159-21sshd10:05:171
2285599126,1cyclictest9-21ksoftirqd/011:55:250
2285599123,3cyclictest9-21ksoftirqd/009:42:580
2285599123,1cyclictest9-21ksoftirqd/012:26:340
2285599123,1cyclictest9-21ksoftirqd/011:40:460
2285599123,1cyclictest9-21ksoftirqd/010:43:330
2285599123,1cyclictest9-21ksoftirqd/010:15:260
2285599122,2cyclictest9-21ksoftirqd/010:20:540
2285599122,1cyclictest9-21ksoftirqd/011:24:230
2285599122,1cyclictest9-21ksoftirqd/011:19:480
2285599122,1cyclictest649-21polkitd12:37:580
2285599121,2cyclictest0-21swapper/010:50:300
2285599121,1cyclictest101ktimersoftd/010:00:500
22855991211,0cyclictest0-21swapper/012:23:220
2287499119,1cyclictest6950-21bash10:19:453
2287499110,10cyclictest0-21swapper/311:47:263
2287499110,10cyclictest0-21swapper/311:22:363
2287499110,0cyclictest0-21swapper/312:27:463
2286899117,1cyclictest33-21ksoftirqd/212:01:222
2286899113,1cyclictest33-21ksoftirqd/210:27:142
2286899112,2cyclictest33-21ksoftirqd/211:12:312
2286899112,1cyclictest33-21ksoftirqd/212:23:112
2286899112,1cyclictest131rcu_sched11:23:142
22868991110,0cyclictest0-21swapper/212:38:412
2286899110,10cyclictest0-21swapper/208:33:312
2286299112,6cyclictest1002-21snmpd07:35:421
2285599116,0cyclictest9-21ksoftirqd/012:00:360
2285599113,1cyclictest9-21ksoftirqd/010:10:210
2285599112,1cyclictest9-21ksoftirqd/010:27:560
22855991110,0cyclictest9-21ksoftirqd/009:11:430
2285599110,1cyclictest9-21ksoftirqd/010:39:440
2285599110,10cyclictest0-21swapper/011:45:430
2287499109,0cyclictest0-21swapper/312:01:563
2287499109,0cyclictest0-21swapper/309:42:563
2287499109,0cyclictest0-21swapper/308:55:263
2287499109,0cyclictest0-21swapper/308:30:163
2287499108,1cyclictest0-21swapper/310:25:263
2286899109,0cyclictest0-21swapper/208:55:212
2286899109,0cyclictest0-21swapper/207:25:212
2286899108,1cyclictest33-21ksoftirqd/212:05:002
2286899104,2cyclictest33-21ksoftirqd/209:56:242
2286899101,3cyclictest33-21ksoftirqd/210:22:082
2286899101,1cyclictest33-21ksoftirqd/211:37:122
2286899101,1cyclictest33-21ksoftirqd/210:40:552
22868991010,0cyclictest321ktimersoftd/209:03:402
22868991010,0cyclictest321ktimersoftd/207:36:222
2286899100,1cyclictest33-21ksoftirqd/211:52:572
2286299109,0cyclictest0-21swapper/107:50:091
2286299102,4cyclictest1015-21runrttasks08:28:401
2286299100,6cyclictest16575-21taskset08:10:151
2286299100,2cyclictest28703-21find07:20:171
2286299100,1cyclictest23839-21/usr/sbin/munin08:30:201
2285599109,0cyclictest0-21swapper/007:15:130
2285599102,1cyclictest101ktimersoftd/009:25:570
228749998,0cyclictest0-21swapper/311:59:163
228749998,0cyclictest0-21swapper/309:11:253
228749996,1cyclictest41-21ksoftirqd/312:07:583
228749991,2cyclictest131rcu_sched10:55:493
228749991,1cyclictest131rcu_sched10:30:133
228749990,1cyclictest29979-21gdbus11:00:353
228689999,0cyclictest321ktimersoftd/209:05:422
228689998,0cyclictest0-21swapper/209:22:212
228689998,0cyclictest0-21swapper/207:45:212
228689998,0cyclictest0-21swapper/207:13:312
228689992,1cyclictest131rcu_sched12:25:082
228629993,5cyclictest1002-21snmpd07:29:391
228629992,4cyclictest0-21swapper/108:06:321
228629990,5cyclictest30813-21ntp_states08:45:171
228629990,5cyclictest25577-21timerwakeupswit07:15:011
228629990,5cyclictest23913-21ntpq07:10:171
228629990,2cyclictest27591-21chrt08:39:091
228629990,2cyclictest17942-21cstates08:15:121
228629990,2cyclictest11791-21expr08:00:121
228629990,1cyclictest6610-21taskset09:05:151
228629990,1cyclictest5260-21chrt07:45:001
228629990,1cyclictest4675-21ps09:00:171
228629990,1cyclictest11231-21chrt07:58:211
228629990,0cyclictest0-21swapper/108:40:141
228559990,5cyclictest29712-21munin-run08:45:000
228749987,0cyclictest21719-21lspci12:35:483
228749987,0cyclictest0-21swapper/309:22:463
228749986,1cyclictest7354-21lspci10:50:053
228749986,1cyclictest41-21ksoftirqd/312:12:133
228749986,1cyclictest41-21ksoftirqd/311:35:383
228749986,1cyclictest41-21ksoftirqd/309:34:103
228749985,2cyclictest660-21avahi-daemon11:51:343
228749985,2cyclictest660-21avahi-daemon10:35:583
228749985,2cyclictest660-21avahi-daemon10:20:183
228749985,2cyclictest660-21avahi-daemon09:55:443
228749985,2cyclictest660-21avahi-daemon09:45:173
228749985,2cyclictest660-21avahi-daemon09:25:283
228749980,7cyclictest14686-21sshd11:40:133
228749980,1cyclictest131rcu_sched10:00:423
228749980,1cyclictest0-21swapper/310:10:453
228689988,0cyclictest321ktimersoftd/208:25:532
228689988,0cyclictest321ktimersoftd/207:59:462
228689988,0cyclictest321ktimersoftd/207:20:392
228689986,1cyclictest33-21ksoftirqd/209:15:112
228629982,5cyclictest1002-21snmpd08:51:151
228629980,1cyclictest866-21chrt07:31:391
228629980,1cyclictest6379-21awk07:45:151
228629980,1cyclictest1652-21/usr/sbin/munin08:55:161
25871270,1sleep326079-21cat08:35:123
228689977,0cyclictest321ktimersoftd/207:50:252
228559976,0cyclictest0-21swapper/008:30:130
228559972,1cyclictest9-21ksoftirqd/007:55:010
228559970,1cyclictest9-21ksoftirqd/007:40:010
228749965,0cyclictest0-21swapper/309:04:163
228749965,0cyclictest0-21swapper/308:29:563
228749965,0cyclictest0-21swapper/308:20:253
228749965,0cyclictest0-21swapper/307:36:163
228749964,1cyclictest649-21polkitd07:25:003
228749963,2cyclictest1002-21snmpd07:55:003
228749963,2cyclictest1002-21snmpd07:50:343
228749960,5cyclictest0-21swapper/307:29:363
228689966,0cyclictest321ktimersoftd/208:39:152
228689966,0cyclictest321ktimersoftd/208:05:282
228689966,0cyclictest321ktimersoftd/207:42:032
228689966,0cyclictest321ktimersoftd/207:19:482
228689964,1cyclictest33-21ksoftirqd/208:20:012
228689960,1cyclictest121rcu_preempt08:49:592
228559962,2cyclictest9-21ksoftirqd/008:05:180
228559962,2cyclictest9-21ksoftirqd/007:10:130
228559962,2cyclictest121rcu_preempt08:55:150
228559962,2cyclictest121rcu_preempt07:45:160
228559962,2cyclictest121rcu_preempt07:30:150
228559962,1cyclictest624-13audispd09:09:540
228559961,3cyclictest9-21ksoftirqd/008:35:190
228559961,2cyclictest9-21ksoftirqd/007:55:120
228559961,1cyclictest9-21ksoftirqd/008:45:000
228559961,1cyclictest9-21ksoftirqd/008:25:120
228559961,1cyclictest9-21ksoftirqd/007:20:150
228559960,5cyclictest0-21swapper/008:53:120
228559960,5cyclictest0-21swapper/007:40:030
228559960,3cyclictest0-21swapper/008:20:120
228559960,1cyclictest9-21ksoftirqd/008:20:010
228559960,1cyclictest9-21ksoftirqd/008:01:010
228749954,0cyclictest0-21swapper/308:50:063
228749953,1cyclictest28384-21mii-tool08:40:123
228749953,1cyclictest23547-21cat07:10:153
228749953,1cyclictest1705-21sendmail08:14:573
228749953,1cyclictest1002-21snmpd09:08:453
228749953,1cyclictest1002-21snmpd08:46:523
228749953,1cyclictest1002-21snmpd08:15:583
228749953,1cyclictest1002-21snmpd08:07:003
228749953,1cyclictest1002-21snmpd08:01:433
228749953,1cyclictest1002-21snmpd07:45:073
228749953,1cyclictest1002-21snmpd07:40:053
228749953,1cyclictest1002-21snmpd07:33:083
228749953,1cyclictest1002-21snmpd07:19:033
228689953,1cyclictest33-21ksoftirqd/208:45:002
228689953,1cyclictest11616-21/usr/sbin/munin08:00:222
228689953,1cyclictest1002-21snmpd08:20:372
228559951,2cyclictest9-21ksoftirqd/007:25:130
228559951,1cyclictest0-21swapper/009:00:140
228559950,1cyclictest0-21swapper/008:10:100
228689942,1cyclictest32387-21hwlatdetect08:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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