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2026-05-20 - 11:35
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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 Wed May 20, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
873621040,2sleep02203399cyclictest23:33:590
142142940,1sleep014203-21sshd23:23:170
54722740,0sleep20-21swapper/200:01:252
168652730,0sleep10-21swapper/123:29:071
76022660,1sleep17603-21bash00:21:051
240042610,0sleep20-21swapper/222:00:112
36682590,0sleep00-21swapper/023:36:150
36682590,0sleep00-21swapper/023:36:140
230092570,0sleep10-21swapper/122:00:061
62452550,0sleep00-21swapper/021:13:400
152852550,0sleep00-21swapper/023:56:410
319492540,0sleep10-21swapper/122:20:261
139032540,0sleep10-21swapper/123:56:341
190792530,1sleep019077-21sshd21:42:550
98022520,2sleep32206599cyclictest21:39:223
52552520,0sleep10-21swapper/121:13:321
193462520,2sleep32206599cyclictest00:19:233
190662520,0sleep00-21swapper/022:47:200
137922520,2sleep32206599cyclictest23:12:033
129072520,0sleep20-21swapper/223:59:202
57822510,0sleep20-21swapper/221:39:012
47592510,0sleep10-21swapper/121:04:591
324892510,2sleep32206599cyclictest23:41:303
256792510,0sleep00-21swapper/000:03:110
192462510,1sleep1241ktimersoftd/121:42:561
300772500,1sleep030067-21sshd00:28:390
201482500,0sleep30-21swapper/300:02:413
132842500,0sleep113247-21sshd21:50:451
266842490,0sleep20-21swapper/200:28:202
150082490,1sleep3391rcuc/322:16:113
130072490,0sleep10-21swapper/121:56:231
87742480,2sleep02203399cyclictest23:05:590
71612480,0sleep00-21swapper/022:01:310
176232470,0sleep00-21swapper/021:48:250
113342470,1sleep211336-21bash22:57:512
275452460,0sleep20-21swapper/222:17:182
42052370,1sleep22205399cyclictest00:20:462
216422309,7sleep00-21swapper/019:06:310
2174622210,7sleep30-21swapper/319:07:503
2171522211,6sleep20-21swapper/219:07:252
2158422110,7sleep10-21swapper/119:05:481
34842170,0sleep33483-21lspci22:26:243
296442170,1sleep329635-21sshd00:34:093
2206599176,3cyclictest41-21ksoftirqd/323:06:473
152902170,2sleep02203399cyclictest22:07:500
2206599164,3cyclictest41-21ksoftirqd/300:14:343
2205399160,1cyclictest1-21systemd21:25:292
118792160,0sleep00-21swapper/000:10:200
81622150,0sleep00-21swapper/000:37:510
272192150,1sleep327215-21lspci22:14:303
238202150,1sleep123779-21sshd23:32:271
2206599150,1cyclictest660-21avahi-daemon23:27:543
2205399159,4cyclictest0-21swapper/223:21:192
22053991510,4cyclictest19417-21lspci23:54:192
162822150,0sleep30-21swapper/323:20:353
156072150,1sleep233-21ksoftirqd/221:42:372
156042150,0sleep30-21swapper/321:14:503
37412140,0sleep20-21swapper/200:06:492
2206599144,3cyclictest41-21ksoftirqd/300:05:263
2206599143,3cyclictest41-21ksoftirqd/322:30:253
22065991414,0cyclictest401ktimersoftd/321:09:033
22065991414,0cyclictest401ktimersoftd/320:53:303
22065991414,0cyclictest401ktimersoftd/319:49:463
2205399148,5cyclictest18261-21sshd22:41:392
62002130,0sleep20-21swapper/223:16:592
2206599135,3cyclictest41-21ksoftirqd/323:18:253
2206599135,1cyclictest41-21ksoftirqd/322:39:153
2206599134,3cyclictest41-21ksoftirqd/321:18:383
2206599134,3cyclictest41-21ksoftirqd/300:24:113
2206599134,2cyclictest41-21ksoftirqd/321:40:323
2206599133,3cyclictest41-21ksoftirqd/323:55:163
2206599133,3cyclictest41-21ksoftirqd/322:46:493
2206599133,3cyclictest41-21ksoftirqd/321:49:233
22065991313,0cyclictest401ktimersoftd/320:32:543
22065991311,1cyclictest41-21ksoftirqd/322:55:113
2206599130,1cyclictest674-21dbus-daemon21:51:133
2206599130,11cyclictest41-21ksoftirqd/321:55:143
2205399136,6cyclictest674-21dbus-daemon22:26:092
2205399135,7cyclictest660-21avahi-daemon21:33:162
2205399130,2cyclictest674-21dbus-daemon22:12:062
2203399130,1cyclictest0-21swapper/022:23:090
185732130,0sleep20-21swapper/223:29:162
313352120,2sleep12204199cyclictest23:41:241
2206599126,3cyclictest41-21ksoftirqd/323:46:153
2206599126,3cyclictest41-21ksoftirqd/300:35:163
2206599125,3cyclictest41-21ksoftirqd/323:52:203
2206599125,2cyclictest41-21ksoftirqd/322:06:283
2206599122,3cyclictest41-21ksoftirqd/322:53:323
2206599121,1cyclictest4721-21bash22:40:263
2205399125,6cyclictest660-21avahi-daemon23:08:082
2205399125,6cyclictest660-21avahi-daemon23:01:012
2205399125,6cyclictest660-21avahi-daemon22:54:412
2205399125,6cyclictest660-21avahi-daemon22:23:082
2205399125,6cyclictest660-21avahi-daemon21:52:562
2205399125,6cyclictest660-21avahi-daemon00:35:442
2205399125,6cyclictest660-21avahi-daemon00:16:072
2205399124,7cyclictest660-21avahi-daemon22:31:112
2205399124,7cyclictest660-21avahi-daemon21:56:452
2205399120,2cyclictest28913-21sshd23:46:462
2205399120,1cyclictest674-21dbus-daemon21:20:262
2205399120,1cyclictest29028-21bash22:45:202
2204199120,1cyclictest20991-21sshd23:09:561
2204199120,1cyclictest17470-21sshd23:48:371
2204199120,11cyclictest6685-21sshd21:39:061
2203399120,1cyclictest674-21dbus-daemon21:52:290
2206599114,1cyclictest41-21ksoftirqd/322:20:393
2206599113,1cyclictest41-21ksoftirqd/323:30:183
2206599112,3cyclictest41-21ksoftirqd/321:27:233
2206599112,1cyclictest31824-21sshd21:20:413
2206599111,3cyclictest41-21ksoftirqd/323:35:193
2206599111,3cyclictest41-21ksoftirqd/323:35:183
2206599111,2cyclictest41-21ksoftirqd/323:01:453
2206599111,2cyclictest0-21swapper/300:28:173
2206599111,1cyclictest41-21ksoftirqd/321:34:013
22065991110,0cyclictest0-21swapper/320:45:133
2205399114,6cyclictest8035-21sshd00:10:042
2205399114,6cyclictest674-21dbus-daemon22:35:042
2205399114,6cyclictest674-21dbus-daemon21:15:462
2205399114,6cyclictest660-21avahi-daemon22:05:142
2205399114,6cyclictest649-21polkitd21:11:142
2205399114,6cyclictest649-21polkitd00:30:442
2205399114,6cyclictest17315-21sshd23:40:132
2205399113,7cyclictest649-21polkitd23:35:222
2205399113,7cyclictest649-21polkitd23:35:212
2205399113,2cyclictest699-21gdbus21:45:592
2205399113,2cyclictest674-21dbus-daemon23:30:132
2205399113,2cyclictest22906-21sshd23:10:052
2204199110,10cyclictest0-21swapper/123:38:171
2204199110,10cyclictest0-21swapper/123:38:161
2204199110,10cyclictest0-21swapper/123:15:571
2204199110,10cyclictest0-21swapper/123:00:371
2204199110,10cyclictest0-21swapper/122:25:071
2204199110,10cyclictest0-21swapper/122:12:471
2204199110,0cyclictest0-21swapper/121:18:461
2203399119,1cyclictest14316-21lspci21:56:300
2203399119,1cyclictest0-21swapper/022:18:390
22033991110,0cyclictest0-21swapper/023:10:490
22033991110,0cyclictest0-21swapper/021:29:290
2203399110,10cyclictest0-21swapper/023:53:000
2203399110,10cyclictest0-21swapper/021:23:300
2203399110,10cyclictest0-21swapper/020:43:000
2203399110,10cyclictest0-21swapper/000:15:200
2206599103,1cyclictest41-21ksoftirqd/322:00:223
2206599100,0cyclictest0-21swapper/319:55:133
2205399103,2cyclictest1002-21snmpd20:55:032
2205399103,2cyclictest1002-21snmpd19:24:252
2205399103,1cyclictest649-21polkitd21:09:412
2205399100,4cyclictest22778-21sa120:30:012
2204199109,0cyclictest0-21swapper/122:36:571
2204199109,0cyclictest0-21swapper/120:35:151
2204199108,1cyclictest32246-21systemd-cgroups22:54:071
2204199108,1cyclictest31946-21sshd00:37:071
2204199108,1cyclictest0-21swapper/122:33:161
2204199100,0cyclictest0-21swapper/123:13:561
2204199100,0cyclictest0-21swapper/122:45:571
2204199100,0cyclictest0-21swapper/119:54:561
2203399109,0cyclictest0-21swapper/023:40:190
2203399109,0cyclictest0-21swapper/022:58:390
2203399109,0cyclictest0-21swapper/022:34:590
2203399109,0cyclictest0-21swapper/020:35:190
2203399109,0cyclictest0-21swapper/020:05:190
2203399108,1cyclictest699-21gdbus21:39:400
2203399108,1cyclictest1-21systemd22:39:300
2203399100,9cyclictest0-21swapper/021:00:590
220539993,1cyclictest1002-21snmpd20:53:282
220539993,1cyclictest1002-21snmpd20:40:042
220539993,1cyclictest1002-21snmpd20:37:572
220539993,1cyclictest1002-21snmpd20:02:152
220539993,1cyclictest1002-21snmpd19:59:412
220539993,1cyclictest1002-21snmpd19:47:072
220539992,2cyclictest7527-21cut19:50:172
220539992,1cyclictest18482-21seq20:17:302
220539992,1cyclictest12860-21cpu20:05:112
220539990,5cyclictest0-21swapper/219:25:102
220419997,1cyclictest20213-21systemd-cgroups00:27:471
220419997,1cyclictest0-21swapper/121:33:271
220419996,2cyclictest660-21avahi-daemon00:11:181
220419996,2cyclictest660-21avahi-daemon00:00:521
220419994,4cyclictest660-21avahi-daemon22:18:331
220339998,0cyclictest0-21swapper/022:11:400
220339998,0cyclictest0-21swapper/021:15:290
804280,0sleep10-21swapper/123:24:581
220659988,0cyclictest401ktimersoftd/320:21:523
220659987,0cyclictest0-21swapper/319:20:243
220539982,1cyclictest962-21sed19:35:142
220539982,1cyclictest3830-21sed19:40:182
220539982,1cyclictest31194-21chrt19:30:112
220539982,1cyclictest24616-21expr19:15:002
220539982,1cyclictest19640-21strings20:20:142
220539982,1cyclictest15197-21gltestperf20:10:142
220539981,1cyclictest23028-21grep19:10:192
220539980,2cyclictest674-21dbus-daemon20:45:002
220539980,2cyclictest3164-21diskstats21:00:112
220539980,2cyclictest23882-21ntp_states20:30:172
220419987,0cyclictest0-21swapper/123:51:461
220419987,0cyclictest0-21swapper/120:19:161
220419985,2cyclictest660-21avahi-daemon22:56:141
220419985,2cyclictest660-21avahi-daemon21:23:121
220419984,3cyclictest649-21polkitd00:19:361
220419984,3cyclictest642-21systemd-logind22:40:561
220419983,4cyclictest660-21avahi-daemon00:31:321
220339987,0cyclictest0-21swapper/022:43:590
220339987,0cyclictest0-21swapper/020:17:000
220339986,1cyclictest660-21avahi-daemon00:20:220
220339986,1cyclictest4835-21systemd-cgroups23:47:290
220339985,2cyclictest674-21dbus-daemon23:19:010
220339985,2cyclictest660-21avahi-daemon23:02:390
220339985,2cyclictest660-21avahi-daemon00:08:460
25875270,0sleep10-21swapper/121:27:581
220659976,0cyclictest41-21ksoftirqd/319:55:013
220659976,0cyclictest0-21swapper/320:59:233
220659976,0cyclictest0-21swapper/319:37:443
220419975,1cyclictest23590-21lspci00:05:421
220419974,2cyclictest674-21dbus-daemon22:05:191
220419972,4cyclictest620-13auditd21:46:541
220339975,1cyclictest660-21avahi-daemon23:25:250
220339975,1cyclictest660-21avahi-daemon21:33:120
220339975,1cyclictest660-21avahi-daemon00:30:140
220339974,2cyclictest660-21avahi-daemon22:26:180
220339974,2cyclictest19253-21sshd22:50:120
220659964,1cyclictest41-21ksoftirqd/319:45:003
220659963,2cyclictest1002-21snmpd20:00:063
220659963,2cyclictest1002-21snmpd19:17:373
220659963,2cyclictest1002-21snmpd19:11:113
220659961,1cyclictest41-21ksoftirqd/320:20:013
220659960,5cyclictest0-21swapper/319:26:343
220659960,1cyclictest121rcu_preempt20:45:013
220419964,1cyclictest674-21dbus-daemon21:09:291
220419960,5cyclictest0-21swapper/120:24:351
220339964,1cyclictest674-21dbus-daemon19:39:590
220339964,1cyclictest23286-21df_inode20:30:130
220339962,2cyclictest28471-21sshd19:22:570
220339960,5cyclictest0-21swapper/020:23:290
220339960,5cyclictest0-21swapper/019:43:490
220659953,1cyclictest1002-21snmpd21:01:283
220659953,1cyclictest1002-21snmpd20:11:363
220659953,1cyclictest1002-21snmpd19:30:403
220659951,2cyclictest41-21ksoftirqd/320:35:133
220659950,3cyclictest41-21ksoftirqd/320:05:173
220659950,0cyclictest0-21swapper/320:26:543
220419953,1cyclictest698-21gdbus19:25:011
220419953,1cyclictest660-21avahi-daemon20:45:001
220419953,1cyclictest649-21polkitd19:35:011
220419953,1cyclictest646-21lsmd19:17:521
220419953,1cyclictest5728-21sensors_volt19:45:171
220419953,1cyclictest1041-21rpcbind19:30:121
220419953,1cyclictest1002-21snmpd20:50:241
220419953,1cyclictest1002-21snmpd20:31:461
220419953,1cyclictest1002-21snmpd20:13:591
220419953,1cyclictest1002-21snmpd20:02:211
220419953,1cyclictest1002-21snmpd19:57:111
220419953,1cyclictest1002-21snmpd19:23:221
220419953,1cyclictest1002-21snmpd19:12:321
220419950,4cyclictest797-21/usr/sbin/munin20:55:151
220419950,4cyclictest28527-21sshd20:40:411
220419950,1cyclictest20970-21/usr/sbin/munin20:25:191
220339955,0cyclictest4095-21kworker/0:119:50:170
220339954,0cyclictest0-21swapper/019:10:480
220339953,1cyclictest699-21gdbus20:00:000
220339953,1cyclictest660-21avahi-daemon20:55:000
220339953,1cyclictest649-21polkitd20:15:000
220339953,1cyclictest5032-21grep19:45:120
220339953,1cyclictest21835-21ntp_states20:25:150
220339953,1cyclictest1002-21snmpd21:05:230
220339953,1cyclictest1002-21snmpd20:56:040
220339953,1cyclictest1002-21snmpd20:45:100
220339953,1cyclictest1002-21snmpd19:55:380
220339953,1cyclictest1002-21snmpd19:29:080
220339953,1cyclictest1002-21snmpd19:18:140
220339952,2cyclictest1002-21snmpd19:34:460
220419942,1cyclictest13076-21expr20:05:131
220419942,1cyclictest1002-21snmpd19:40:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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