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2026-05-15 - 18:50
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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 highest latencies:
System rack2slot0.osadl.org (updated Fri May 15, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2920021060,0sleep30-21swapper/311:48:343
221112980,0sleep00-21swapper/009:57:120
252902700,0sleep00-21swapper/009:12:340
47722620,0sleep30-21swapper/309:47:243
146982600,0sleep20-21swapper/210:04:552
303452590,17sleep375750irq/24-eno1-rx-11:56:553
207582580,0sleep20-21swapper/209:59:542
315442560,0sleep20-21swapper/209:38:392
245112550,1sleep024508-21sshd10:19:350
198942550,0sleep10-21swapper/110:49:401
107942550,1sleep3391rcuc/309:39:403
40992540,0sleep30-21swapper/309:25:383
311882530,0sleep10-21swapper/112:13:391
279422520,0sleep30-21swapper/312:05:043
227572520,0sleep30-21swapper/310:13:533
166922510,0sleep00-21swapper/011:39:140
192332500,0sleep10-21swapper/112:37:301
129452500,0sleep312934-21rm11:02:523
88472490,0sleep00-21swapper/012:39:260
81122490,0sleep30-21swapper/310:23:423
159472490,0sleep00-21swapper/010:49:190
188322480,0sleep00-21swapper/011:58:440
1719824837,7sleep10-21swapper/107:05:411
26252470,1sleep02624-21bash12:33:210
256122470,0sleep025613-21sshd12:18:430
198922470,0sleep30-21swapper/310:52:223
101372470,0sleep30-21swapper/309:34:043
217652460,0sleep2311rcuc/210:13:482
123222460,0sleep10-21swapper/109:22:481
210952450,0sleep00-21swapper/011:20:110
105392440,2sleep21765799cyclictest11:27:342
98302430,0sleep30-21swapper/311:19:143
75062430,0sleep10-21swapper/109:47:391
327562430,2sleep01764699cyclictest11:51:350
167532390,0sleep30-21swapper/310:46:333
171802267,7sleep30-21swapper/307:05:283
296352240,0sleep30-21swapper/310:44:573
172682219,7sleep20-21swapper/207:06:362
1726622110,7sleep00-21swapper/007:06:340
34242190,1sleep13420-21sshd11:13:071
60602170,0sleep00-21swapper/011:43:500
289992170,0sleep20-21swapper/207:35:142
17653991715,1cyclictest19168-21lspci09:40:181
327652160,0sleep10-21swapper/111:21:081
17653991615,0cyclictest7849-21lspci09:14:261
17653991615,0cyclictest13181-21kworker/1:212:07:111
165992160,0sleep30-21swapper/308:25:123
251592150,0sleep20-21swapper/210:16:482
246592150,1sleep1231rcuc/110:08:301
17653991514,0cyclictest24539-21lspci11:53:421
324062140,0sleep00-21swapper/009:29:120
299962140,0sleep20-21swapper/209:44:042
250772140,0sleep30-21swapper/311:09:283
1765799140,12cyclictest649-21polkitd12:15:502
17653991413,0cyclictest4033-21kworker/1:112:29:431
17653991413,0cyclictest22320-21kworker/1:409:19:231
17653991412,1cyclictest5290-21kworker/1:111:39:371
17653991412,1cyclictest1036-21kworker/1:010:11:131
273762130,0sleep10-21swapper/111:01:171
25962130,0sleep20-21swapper/210:48:092
179102130,1sleep017802-21sshd12:29:080
17663991311,1cyclictest0-21swapper/309:44:143
1765799130,1cyclictest0-21swapper/212:34:502
1765799130,11cyclictest28719-21bash11:12:302
17653991311,1cyclictest22331-21lspci11:45:121
17646991311,1cyclictest19874-21sshd12:07:070
28052120,0sleep00-21swapper/010:39:530
1766399120,11cyclictest12942-21id11:22:143
1766399120,11cyclictest11426-21sshd11:35:543
1765799120,1cyclictest7434-21sshd12:22:402
1765799120,1cyclictest48-21kauditd10:08:202
1765799120,1cyclictest19203-21lspci12:37:302
1765799120,11cyclictest13459-21bash10:24:102
17653991211,1cyclictest16516-21kworker/1:411:15:411
17653991211,0cyclictest7022-21kworker/1:110:16:151
17653991211,0cyclictest2137-21kworker/1:209:55:271
17653991210,1cyclictest12715-21lspci12:03:451
17653991210,1cyclictest10855-21kworker/1:009:36:231
1765399120,1cyclictest642-21systemd-logind10:54:471
254512110,1sleep025449-21sshd11:28:520
1766399119,1cyclictest649-21polkitd12:34:143
1766399119,1cyclictest18066-21sshd10:38:243
1766399110,10cyclictest0-21swapper/312:22:043
1766399110,0cyclictest0-21swapper/311:40:343
1766399110,0cyclictest0-21swapper/310:17:243
1765799119,1cyclictest0-21swapper/212:13:102
1765799110,0cyclictest0-21swapper/212:25:202
1765799110,0cyclictest0-21swapper/209:12:202
1765399119,1cyclictest3676-21sshd12:19:371
17653991110,0cyclictest4545-21kworker/1:311:31:071
17653991110,0cyclictest241ktimersoftd/110:44:491
17653991110,0cyclictest23361-21kworker/1:109:33:251
17653991110,0cyclictest0-21swapper/110:34:171
1765399110,1cyclictest674-21dbus-daemon10:02:061
1764699119,1cyclictest569-21lspci10:11:570
1764699119,1cyclictest16401-21grep10:57:370
17646991110,0cyclictest0-21swapper/012:20:270
17646991110,0cyclictest0-21swapper/012:04:270
17646991110,0cyclictest0-21swapper/009:52:260
17646991110,0cyclictest0-21swapper/009:30:260
1764699110,1cyclictest0-21swapper/010:04:560
1764699110,10cyclictest0-21swapper/010:50:570
1764699110,10cyclictest0-21swapper/009:45:460
101522110,1sleep110151-21sshd11:44:111
1766399109,0cyclictest0-21swapper/312:36:543
1766399109,0cyclictest0-21swapper/311:31:143
1766399109,0cyclictest0-21swapper/310:55:443
1766399108,1cyclictest26788-21lspci11:51:043
1766399108,1cyclictest1-21systemd12:15:143
1766399100,9cyclictest0-21swapper/308:50:243
1766399100,9cyclictest0-21swapper/307:12:543
1766399100,0cyclictest0-21swapper/309:16:143
1765799109,0cyclictest0-21swapper/210:37:502
1765799109,0cyclictest0-21swapper/210:29:102
1765799109,0cyclictest0-21swapper/209:45:402
1765799100,0cyclictest0-21swapper/212:01:202
1765799100,0cyclictest0-21swapper/209:33:402
1765399109,0cyclictest7134-21kworker/1:212:33:111
1765399109,0cyclictest0-21swapper/111:27:571
1765399109,0cyclictest0-21swapper/110:29:571
1765399109,0cyclictest0-21swapper/109:51:571
1765399108,1cyclictest11129-21sshd10:21:071
17653991010,0cyclictest4033-21kworker/1:112:21:231
1764699109,0cyclictest0-21swapper/010:32:470
1764699109,0cyclictest0-21swapper/008:53:360
17646991010,0cyclictest527-40kipmi011:13:350
176639998,0cyclictest0-21swapper/309:57:343
176639998,0cyclictest0-21swapper/309:14:443
176639998,0cyclictest0-21swapper/308:35:143
176639998,0cyclictest0-21swapper/307:38:543
176639996,2cyclictest2519-21sshd10:34:183
176639990,0cyclictest0-21swapper/307:20:443
176579998,0cyclictest0-21swapper/211:24:502
176579998,0cyclictest0-21swapper/210:41:002
176579998,0cyclictest0-21swapper/209:53:302
176579998,0cyclictest0-21swapper/207:13:202
176579997,1cyclictest1-21systemd11:05:202
176579997,1cyclictest11004-21bash11:16:302
176579996,2cyclictest674-21dbus-daemon10:33:452
176579996,2cyclictest660-21avahi-daemon11:52:522
176539998,1cyclictest31468-21kworker/1:209:25:591
176539990,0cyclictest131rcu_sched10:36:431
176469997,1cyclictest26416-21bash09:16:360
176469996,1cyclictest23901-21grepconf.sh09:40:420
176469990,5cyclictest9432-21munin-run10:10:000
15352290,0sleep20-21swapper/212:06:432
176639987,0cyclictest0-21swapper/310:28:343
176639986,1cyclictest660-21avahi-daemon10:05:453
176639986,1cyclictest41-21ksoftirqd/312:26:183
176639986,1cyclictest3310-21lspci09:50:063
176639986,1cyclictest1152-21lspci10:03:443
176639985,2cyclictest660-21avahi-daemon11:10:293
176639985,2cyclictest660-21avahi-daemon09:21:223
176639984,3cyclictest674-21dbus-daemon12:12:583
176579986,1cyclictest660-21avahi-daemon09:28:442
176579985,2cyclictest660-21avahi-daemon11:46:492
176579985,2cyclictest660-21avahi-daemon11:38:462
176579985,2cyclictest660-21avahi-daemon10:57:262
176579985,2cyclictest660-21avahi-daemon10:50:122
176579985,2cyclictest660-21avahi-daemon09:22:312
176579980,0cyclictest0-21swapper/208:57:002
176539987,0cyclictest9381-21kworker/1:107:26:431
176539986,1cyclictest25-21ksoftirqd/111:55:121
176539986,1cyclictest25-21ksoftirqd/110:55:111
176539980,1cyclictest131rcu_sched11:05:331
176469987,0cyclictest0-21swapper/009:35:160
176469987,0cyclictest0-21swapper/009:21:060
176469986,1cyclictest9-21ksoftirqd/010:27:450
176469986,1cyclictest9-21ksoftirqd/010:20:350
176469986,1cyclictest31173-21kworker/0:411:06:560
176469986,1cyclictest24667-21lspci11:01:030
176639976,0cyclictest0-21swapper/308:40:543
176639976,0cyclictest0-21swapper/307:48:443
176639974,2cyclictest674-21dbus-daemon12:01:243
176639973,3cyclictest18138-21sshd11:25:233
176579976,1cyclictest13714-21lspci11:55:262
176579976,0cyclictest0-21swapper/208:30:192
176579975,1cyclictest660-21avahi-daemon11:41:592
176579975,1cyclictest660-21avahi-daemon11:31:192
176579975,1cyclictest660-21avahi-daemon11:00:322
176579975,1cyclictest15176-21sshd09:15:162
176469975,1cyclictest9-21ksoftirqd/012:10:210
176469975,1cyclictest674-21dbus-daemon11:45:060
176469975,1cyclictest10685-21kworker/0:311:15:560
176469974,2cyclictest699-21gdbus11:33:260
176469974,2cyclictest674-21dbus-daemon10:41:060
176639965,0cyclictest0-21swapper/308:57:043
176639965,0cyclictest0-21swapper/307:31:443
176639964,1cyclictest649-21polkitd09:09:593
176639963,2cyclictest1002-21snmpd08:04:263
176639963,2cyclictest1002-21snmpd07:53:053
176639963,1cyclictest1002-21snmpd08:45:423
176579964,1cyclictest674-21dbus-daemon09:09:352
176579960,5cyclictest0-21swapper/207:24:002
176539964,1cyclictest674-21dbus-daemon07:50:001
176539964,1cyclictest29670-21ntp_states08:55:151
176539964,1cyclictest12988-21mii-tool08:15:141
176539963,2cyclictest1002-21snmpd08:35:301
176539960,5cyclictest0-21swapper/108:51:471
176469964,1cyclictest699-21gdbus08:10:010
176469964,1cyclictest674-21dbus-daemon07:45:010
176469964,1cyclictest642-21systemd-logind09:09:430
176469963,2cyclictest1002-21snmpd08:56:480
176469963,2cyclictest1002-21snmpd08:38:090
176469963,2cyclictest1002-21snmpd08:24:380
176469960,5cyclictest0-21swapper/008:12:360
176639954,0cyclictest0-21swapper/309:00:343
176639953,1cyclictest24950-21cat07:25:133
176639953,1cyclictest10972-21cat08:10:113
176639953,1cyclictest1002-21snmpd08:17:473
176639953,1cyclictest1002-21snmpd08:07:443
176639953,1cyclictest1002-21snmpd07:55:203
176639952,2cyclictest20795-21head07:15:143
176639952,2cyclictest19716-21wc08:30:183
176639952,2cyclictest15687-21cat08:20:193
176639950,1cyclictest0-21swapper/307:40:123
176639950,1cyclictest0-21swapper/307:40:123
176579954,0cyclictest0-21swapper/209:00:502
176579954,0cyclictest0-21swapper/208:15:302
176579954,0cyclictest0-21swapper/207:33:192
176579953,1cyclictest31265-21cat07:40:142
176579953,1cyclictest31265-21cat07:40:142
176579953,1cyclictest25362-21ntp_states07:25:152
176579953,1cyclictest21156-21cat08:35:132
176579953,1cyclictest20919-21cat07:15:152
176579953,1cyclictest15855-21grep08:20:202
176579953,1cyclictest10242-21sadc08:10:012
176579953,1cyclictest1002-21snmpd08:46:302
176579953,1cyclictest1002-21snmpd08:40:032
176579953,1cyclictest1002-21snmpd07:50:442
176579953,1cyclictest1002-21snmpd07:47:262
176579952,2cyclictest4430-21cat07:55:112
176579952,2cyclictest1002-21snmpd08:12:172
176579950,4cyclictest26888-21grep08:50:112
176539953,1cyclictest8896-21cat08:05:121
176539953,1cyclictest31096-21cat07:40:131
176539953,1cyclictest31096-21cat07:40:131
176539953,1cyclictest19103-21mii-tool08:30:131
176539953,1cyclictest18947-21switchtime07:10:181
176539953,1cyclictest18376-21kworker/1:008:41:191
176539953,1cyclictest1705-21sendmail07:51:151
176539953,1cyclictest1002-21snmpd08:26:321
176539953,1cyclictest1002-21snmpd08:22:201
176539953,1cyclictest1002-21snmpd08:11:051
176539953,1cyclictest1002-21snmpd08:00:471
176539953,1cyclictest1002-21snmpd07:59:321
176539953,1cyclictest1002-21snmpd07:30:221
176539953,1cyclictest1002-21snmpd07:24:551
176539953,1cyclictest1002-21snmpd07:15:251
176539952,2cyclictest1002-21snmpd09:04:241
176539952,1cyclictest0-21swapper/108:46:281
176539950,4cyclictest30166-21sshd07:37:441
176539950,1cyclictest1384-21ntp_states09:05:171
176469955,0cyclictest101ktimersoftd/007:52:090
176469954,0cyclictest0-21swapper/007:39:160
176469953,1cyclictest646-21lsmd07:40:330
176469953,1cyclictest646-21lsmd07:40:330
176469953,1cyclictest4854-21cat07:55:140
176469953,1cyclictest21124-21needreboot07:15:160
176469953,1cyclictest18630-21/usr/sbin/munin08:30:140
176469953,1cyclictest1002-21snmpd09:04:450
176469953,1cyclictest1002-21snmpd08:47:200
176469953,1cyclictest1002-21snmpd07:12:130
176469952,2cyclictest7828-21taskset08:00:350
176469952,2cyclictest25522-21wc07:25:170
176469950,4cyclictest0-21swapper/007:32:260
176469950,0cyclictest0-21swapper/008:43:060
176579942,1cyclictest16637-21cpuspeed_turbos08:25:122
176579942,1cyclictest1002-21snmpd08:00:052
176469944,0cyclictest10270-21kworker/0:208:25:120
176469942,1cyclictest13305-21awk08:15:160
176469942,1cyclictest0-21swapper/007:20:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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