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2026-04-30 - 16:02
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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 30, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
856921220,1sleep28570-21systemd-cgroups11:30:002
160922990,2sleep12226699cyclictest10:07:321
303422920,1sleep230341-21sshd10:11:342
252032920,0sleep00-21swapper/010:27:500
172012920,0sleep217200-21sshd12:12:132
301972910,2sleep02226099cyclictest09:35:190
4432890,0sleep00-21swapper/010:36:430
40552780,0sleep10-21swapper/110:59:071
288662780,1sleep3649-21polkitd11:09:343
214812770,2sleep12226699cyclictest09:15:351
90472710,0sleep30-21swapper/310:59:333
160752660,1sleep0674-21dbus-daemon12:03:500
161072610,0sleep10-21swapper/110:46:171
39732590,0sleep03968-21sshd09:52:330
164432570,0sleep30-21swapper/311:55:283
163312530,0sleep00-21swapper/010:24:210
42652520,1sleep31-21systemd09:58:093
250342520,0sleep20-21swapper/211:53:312
71862510,0sleep17187-21sshd10:42:491
295812510,0sleep00-21swapper/011:51:050
320262500,1sleep231992-21sshd09:35:292
20682500,0sleep10-21swapper/111:01:391
149332500,0sleep20-21swapper/212:03:442
9852490,1sleep1982-21lspci11:56:581
98062490,0sleep20-21swapper/210:56:482
3482490,0sleep20-21swapper/211:07:052
293682490,0sleep00-21swapper/012:16:000
258232490,0sleep30-21swapper/311:28:413
302712480,0sleep10-21swapper/110:25:271
290192480,0sleep3391rcuc/311:42:473
217422480,1sleep321706-21sshd12:23:443
189852480,0sleep20-21swapper/210:32:492
124582480,0sleep30-21swapper/309:30:133
4692470,0sleep00-21swapper/011:23:450
68102460,0sleep10-21swapper/112:27:591
20442460,1sleep02039-21lspci12:22:010
137082410,2sleep02226099cyclictest11:27:380
219842319,7sleep00-21swapper/007:08:010
2191622817,7sleep10-21swapper/107:07:101
2184922715,7sleep30-21swapper/307:06:203
243192260,11sleep375750irq/24-eno1-rx-12:10:063
2180822211,7sleep20-21swapper/207:05:472
59402180,2sleep22227199cyclictest11:46:192
262942180,1sleep326162-21latency_hist10:50:003
240282180,3sleep00-21swapper/010:49:490
82902170,0sleep30-21swapper/312:30:493
43372170,0sleep10-21swapper/112:05:321
151812170,0sleep00-21swapper/009:47:570
14522170,0sleep20-21swapper/209:17:072
114132170,0sleep20-21swapper/212:33:562
74482160,0sleep20-21swapper/209:52:512
2228199160,15cyclictest8279-21sshd11:10:293
22266991615,0cyclictest241ktimersoftd/109:31:271
22266991615,0cyclictest241ktimersoftd/109:28:371
22266991614,1cyclictest25790-21kworker/1:110:54:391
181862160,2sleep02226099cyclictest10:54:490
95042150,1sleep29505-21kworker/u8:110:26:282
2228199150,7cyclictest29537-21sshd09:28:223
2228199150,7cyclictest11217-21sshd10:04:223
2228199150,14cyclictest29977-21packagekitd12:03:483
2228199150,14cyclictest27959-21sshd09:37:573
2228199150,14cyclictest15350-21id10:26:593
2226699156,1cyclictest25-21ksoftirqd/112:18:361
22266991514,0cyclictest29225-21kworker/1:312:01:011
22266991513,1cyclictest27933-21kworker/1:311:22:531
2226699150,13cyclictest622-13audispd10:37:241
2228199149,4cyclictest10124-21bash10:54:073
2228199140,6cyclictest30762-21tty12:27:143
2228199140,6cyclictest29979-21gdbus11:17:323
2228199140,6cyclictest24382-21sshd11:03:363
2228199140,6cyclictest15117-21lspci10:32:283
2228199140,6cyclictest1-21systemd11:22:293
2228199140,6cyclictest1-21systemd10:40:273
2228199140,5cyclictest16662-21sshd11:36:083
2228199140,5cyclictest15198-21cat10:35:133
2228199140,10cyclictest28377-21lspci09:43:333
22266991414,0cyclictest241ktimersoftd/107:33:111
22266991413,0cyclictest25790-21kworker/1:111:17:111
243812130,0sleep30-21swapper/311:34:063
243812130,0sleep30-21swapper/311:34:053
2228199130,8cyclictest15918-21sshd10:07:313
2228199130,6cyclictest649-21polkitd11:46:303
2228199130,6cyclictest642-21systemd-logind12:15:203
2228199130,6cyclictest27537-21sshd09:46:123
2228199130,6cyclictest13636-21sshd12:39:413
2228199130,1cyclictest642-21systemd-logind09:54:373
22266991313,0cyclictest241ktimersoftd/110:14:471
22266991313,0cyclictest23572-21kworker/1:211:34:511
22266991313,0cyclictest23572-21kworker/1:211:34:511
22266991312,0cyclictest7360-21kworker/1:210:30:331
22266991312,0cyclictest29225-21kworker/1:311:52:211
22266991312,0cyclictest241ktimersoftd/112:39:201
22266991312,0cyclictest17251-21lspci09:11:101
22266991311,1cyclictest25-21ksoftirqd/112:14:121
18502130,0sleep20-21swapper/211:10:012
72872120,0sleep10-21swapper/111:35:201
301792120,0sleep330182-21bash11:51:083
2228199122,7cyclictest16246-21cp12:06:353
2228199120,9cyclictest0-21swapper/310:21:063
2228199120,6cyclictest7427-21sshd09:14:003
2228199120,6cyclictest24015-21sshd10:13:503
2228199120,11cyclictest0-21swapper/308:17:473
22271991210,1cyclictest0-21swapper/210:52:432
2227199120,1cyclictest25194-21bash10:19:332
2226699127,1cyclictest25-21ksoftirqd/109:56:441
2226699123,1cyclictest25-21ksoftirqd/110:20:171
2226699122,2cyclictest25-21ksoftirqd/109:43:471
2226699121,3cyclictest649-21polkitd11:09:301
22266991212,0cyclictest23572-21kworker/1:211:10:351
22266991212,0cyclictest19461-21kworker/1:107:16:251
22266991212,0cyclictest15232-21kworker/1:412:32:131
2226699121,1cyclictest121rcu_preempt11:46:241
22266991211,1cyclictest19461-21kworker/1:107:20:131
22266991211,0cyclictest241ktimersoftd/111:43:131
2226699120,1cyclictest2269-21sshd09:21:041
2226699120,11cyclictest28572-21nfsd409:35:141
22260991210,1cyclictest7157-21sshd10:42:490
22260991210,1cyclictest674-21dbus-daemon09:10:390
2226099120,1cyclictest642-21systemd-logind10:07:290
2226099120,1cyclictest31399-21sshd09:16:490
2226099120,11cyclictest0-21swapper/011:59:290
2226099120,11cyclictest0-21swapper/011:08:190
2228199115,5cyclictest698-21gdbus09:20:543
2228199110,6cyclictest674-21dbus-daemon10:15:073
2228199110,5cyclictest9546-21bash09:18:073
2227199119,1cyclictest8351-21grep11:18:532
2227199119,1cyclictest19658-21lspci12:09:432
22271991110,0cyclictest0-21swapper/212:35:432
22271991110,0cyclictest0-21swapper/210:07:442
2227199110,10cyclictest0-21swapper/210:23:532
2227199110,0cyclictest0-21swapper/208:35:132
2226699119,1cyclictest25-21ksoftirqd/109:54:251
2226699112,1cyclictest25-21ksoftirqd/112:22:141
22266991110,0cyclictest0-21swapper/109:45:541
2226699110,3cyclictest18028-21kworker/1:110:15:141
2226099110,10cyclictest0-21swapper/011:18:390
2226099110,10cyclictest0-21swapper/010:18:090
195452110,0sleep219542-21sshd11:33:402
195452110,0sleep219542-21sshd11:33:402
2228199100,6cyclictest21541-21sed08:25:123
2228199100,5cyclictest31148-21/usr/sbin/munin08:50:003
2228199100,0cyclictest0-21swapper/307:18:473
2227199109,0cyclictest0-21swapper/212:22:232
2227199109,0cyclictest0-21swapper/210:00:232
2227199109,0cyclictest0-21swapper/209:13:332
2227199108,1cyclictest12554-21sshd09:58:532
2226699102,3cyclictest25-21ksoftirqd/110:01:491
2226699101,1cyclictest25-21ksoftirqd/111:25:201
22266991010,0cyclictest3533-21kworker/1:209:07:111
22266991010,0cyclictest18901-21kworker/1:108:30:571
2226099109,0cyclictest0-21swapper/012:31:390
2226099109,0cyclictest0-21swapper/011:44:290
2226099109,0cyclictest0-21swapper/011:13:290
2226099108,1cyclictest29590-21systemd-cgroups12:13:190
2226099100,0cyclictest0-21swapper/011:01:090
2226099100,0cyclictest0-21swapper/010:59:090
32308290,0sleep20-21swapper/210:47:432
222819993,5cyclictest699-21gdbus08:00:003
222819993,5cyclictest5347-21cat07:45:123
222819993,5cyclictest1002-21snmpd08:34:263
222819993,5cyclictest1002-21snmpd08:10:343
222819993,5cyclictest1002-21snmpd07:37:523
222819990,5cyclictest4756-21awk09:05:173
222719998,0cyclictest0-21swapper/209:41:532
222719997,1cyclictest1236-21sshd09:28:532
222719997,1cyclictest0-21swapper/210:41:532
222669999,0cyclictest6725-21kworker/1:208:10:191
222669999,0cyclictest25252-21kworker/1:008:42:551
222669999,0cyclictest241ktimersoftd/109:03:411
222669998,1cyclictest241ktimersoftd/108:21:321
222669998,0cyclictest0-21swapper/108:56:441
222669990,0cyclictest0-21swapper/107:37:441
222609998,0cyclictest0-21swapper/012:36:590
222609998,0cyclictest0-21swapper/011:31:190
222609998,0cyclictest0-21swapper/011:31:190
222609998,0cyclictest0-21swapper/010:04:190
222609998,0cyclictest0-21swapper/009:42:490
222609998,0cyclictest0-21swapper/009:24:290
222609990,5cyclictest26836-21munin-run07:20:000
222819987,0cyclictest0-21swapper/308:56:473
222819982,5cyclictest642-21systemd-logind07:25:003
222819982,5cyclictest2925-21cat09:00:203
222819982,5cyclictest27795-21cat08:40:123
222819982,5cyclictest23562-21cat07:10:143
222819982,5cyclictest1082-21lldpd07:40:153
222819982,5cyclictest1002-21snmpd08:36:353
222819982,5cyclictest1002-21snmpd08:08:583
222819982,5cyclictest1002-21snmpd07:50:523
222819982,5cyclictest1002-21snmpd07:22:213
222819980,7cyclictest32151-21awk07:30:173
222719987,0cyclictest0-21swapper/207:24:442
222719986,1cyclictest4875-21sshd12:25:052
222719986,1cyclictest23953-21grep09:48:432
222719986,1cyclictest21337-21lspci11:00:302
222719985,2cyclictest660-21avahi-daemon11:55:112
222719985,2cyclictest660-21avahi-daemon11:40:342
222719985,2cyclictest660-21avahi-daemon11:35:452
222719985,2cyclictest660-21avahi-daemon10:37:132
222719985,2cyclictest660-21avahi-daemon09:33:442
222669988,0cyclictest31123-21kworker/1:108:51:351
222669988,0cyclictest241ktimersoftd/107:56:361
222669986,1cyclictest25-21ksoftirqd/107:15:001
222609987,0cyclictest0-21swapper/009:30:590
222609986,1cyclictest9895-21kworker/0:110:30:140
222609986,1cyclictest27972-21sshd11:37:090
222609985,2cyclictest660-21avahi-daemon11:49:380
222819970,6cyclictest710-21NetworkManager08:00:003
222819970,0cyclictest0-21swapper/308:50:023
222819970,0cyclictest0-21swapper/308:20:023
222719975,1cyclictest660-21avahi-daemon11:20:372
222719975,1cyclictest660-21avahi-daemon09:21:392
222719975,1cyclictest26833-21munin-plugin-st07:20:002
222719975,1cyclictest1-21systemd12:16:172
222669977,0cyclictest6725-21kworker/1:208:17:051
222669977,0cyclictest6725-21kworker/1:208:01:191
222669977,0cyclictest241ktimersoftd/108:27:431
222669977,0cyclictest241ktimersoftd/107:45:541
222669977,0cyclictest19461-21kworker/1:107:25:151
222669970,0cyclictest0-21swapper/107:45:001
222609976,0cyclictest14703-21lspci10:13:010
222609975,1cyclictest9-21ksoftirqd/012:25:290
222609975,1cyclictest660-21avahi-daemon12:07:460
222609975,1cyclictest660-21avahi-daemon09:55:290
222719963,2cyclictest1002-21snmpd08:00:402
222719963,2cyclictest1002-21snmpd07:47:312
222719962,3cyclictest620-13auditd09:09:582
222719960,0cyclictest0-21swapper/208:15:532
222669966,0cyclictest25252-21kworker/1:008:48:071
222669966,0cyclictest25252-21kworker/1:008:38:031
222609964,1cyclictest660-21avahi-daemon09:25:100
222609963,2cyclictest1002-21snmpd08:29:260
222609963,2cyclictest1002-21snmpd07:48:010
222609960,5cyclictest0-21swapper/007:51:490
222719954,0cyclictest0-21swapper/208:50:032
222719954,0cyclictest0-21swapper/207:40:032
222719953,1cyclictest7428-21cat07:50:132
222719953,1cyclictest649-21polkitd07:10:002
222719953,1cyclictest19645-21cat08:20:142
222719953,1cyclictest1002-21snmpd08:55:052
222719953,1cyclictest1002-21snmpd08:47:172
222719953,1cyclictest1002-21snmpd08:31:232
222719953,1cyclictest1002-21snmpd08:26:022
222719953,1cyclictest1002-21snmpd08:10:012
222719953,1cyclictest1002-21snmpd08:05:432
222719953,1cyclictest1002-21snmpd07:55:342
222719952,2cyclictest1002-21snmpd09:02:542
222719950,4cyclictest32744-21sshd07:32:452
222719950,0cyclictest0-21swapper/208:41:432
222669955,0cyclictest6725-21kworker/1:208:08:251
222669951,1cyclictest25-21ksoftirqd/107:50:001
222609954,0cyclictest0-21swapper/007:22:290
222609953,1cyclictest660-21avahi-daemon08:10:010
222609953,1cyclictest646-21lsmd08:30:550
222609953,1cyclictest32008-21ntp_states07:30:160
222609953,1cyclictest29966-21ntp_states07:25:160
222609953,1cyclictest14120-21swap08:05:180
222609953,1cyclictest1082-21lldpd07:56:310
222609953,1cyclictest1002-21snmpd09:08:270
222609953,1cyclictest1002-21snmpd09:02:120
222609953,1cyclictest1002-21snmpd08:41:080
222609953,1cyclictest1002-21snmpd08:15:190
222609953,1cyclictest1002-21snmpd07:44:190
222609953,1cyclictest1002-21snmpd07:35:140
222609953,1cyclictest1002-21snmpd07:10:420
222609952,2cyclictest674-21dbus-daemon08:55:000
222609952,2cyclictest674-21dbus-daemon08:00:000
222609952,2cyclictest30212-21ntpq08:45:170
222609952,2cyclictest1002-21snmpd08:21:230
222609950,4cyclictest26710-21sshd08:35:440
222609950,0cyclictest0-21swapper/008:58:090
222719942,1cyclictest820-21cpuspeed_turbos07:35:102
222719940,3cyclictest292652sleep207:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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