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2026-01-08 - 12:31
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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 all highest latencies:
System rack2slot0.osadl.org (updated Thu Jan 08, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2167521050,1sleep021629-21munin-plugin-st21:55:000
270462930,0sleep30-21swapper/322:25:273
21752740,0sleep00-21swapper/023:07:420
273802710,0sleep30-21swapper/300:08:003
222992620,1sleep11073-21nfsd21:44:391
243892540,0sleep30-21swapper/300:05:013
232352530,0sleep30-21swapper/321:34:213
65292510,2sleep2819299cyclictest22:14:132
320402510,0sleep20-21swapper/223:46:122
24992510,0sleep10-21swapper/121:32:031
137052510,0sleep20-21swapper/222:49:182
47572500,0sleep10-21swapper/123:52:131
47572500,0sleep10-21swapper/123:52:131
43802500,0sleep30-21swapper/323:05:083
181502500,0sleep00-21swapper/022:21:590
197012490,0sleep00-21swapper/000:18:280
276942480,0sleep00-21swapper/023:20:550
16352480,0sleep20-21swapper/221:11:202
312952470,0sleep30-21swapper/323:57:163
204752470,2sleep0818199cyclictest22:47:020
122062470,0sleep00-21swapper/021:40:060
157692430,0sleep215770-21grep23:42:052
114182390,2sleep3819899cyclictest22:00:433
791223615,7sleep30-21swapper/319:08:053
80272298,7sleep00-21swapper/019:09:310
79602286,7sleep20-21swapper/219:08:402
8181992523,1cyclictest29446-21lspci22:58:580
807422110,7sleep10-21swapper/119:09:551
257682190,1sleep0674-21dbus-daemon22:50:160
32432170,0sleep00-21swapper/000:00:210
304472170,1sleep030441-21bash00:27:410
211772170,2sleep0818199cyclictest00:32:260
161772170,1sleep21073-21nfsd22:15:122
134952170,0sleep0111rcuc/021:36:420
8186991614,1cyclictest538-21lspci00:25:101
36362150,0sleep03637-21unixbench_multi22:10:190
285522150,1sleep128558-21bash23:34:551
200082150,0sleep10-21swapper/121:54:481
8181991413,0cyclictest19442-21lspci22:30:190
55882140,1sleep15585-21sshd23:02:271
293552140,0sleep00-21swapper/021:21:400
23932140,0sleep00-21swapper/022:26:090
178682140,1sleep117869-21sshd23:11:471
8198991312,0cyclictest22297-21lspci00:38:043
8198991311,1cyclictest13348-21lspci22:32:373
819299130,1cyclictest26443-21lspci22:42:012
8181991312,0cyclictest11665-21lspci23:55:310
8181991311,1cyclictest3391-21lspci21:17:130
219982130,0sleep10-21swapper/122:58:171
147552130,1sleep214754-21tty00:37:242
118542130,1sleep111851-21lspci23:38:581
8198991210,1cyclictest15657-21lspci23:14:263
8198991210,1cyclictest0-21swapper/323:32:053
819899120,11cyclictest2243-21sshd00:19:453
8192991210,1cyclictest5658-21lspci23:21:502
8192991210,1cyclictest21223-21lspci23:06:312
819299120,1cyclictest26529-21sshd23:29:122
819299120,11cyclictest620-17auditd23:38:412
819299120,11cyclictest1-21systemd22:50:012
8186991210,1cyclictest25999-21lspci23:06:561
8186991210,1cyclictest0-21swapper/100:38:161
818699120,1cyclictest25995-21sshd00:13:271
818699120,1cyclictest13296-21id00:06:461
818699120,11cyclictest26062-21systemd-cgroups23:20:461
8181991211,0cyclictest9303-21lspci00:36:550
8181991211,0cyclictest23084-21lspci22:15:530
8181991211,0cyclictest21920-21lspci23:37:020
8181991211,0cyclictest14592-21lspci23:33:420
140412120,0sleep1622-13audispd22:01:021
819899119,1cyclictest27880-21sshd22:36:363
819899119,1cyclictest0-21swapper/322:41:253
8198991110,0cyclictest27120-21lspci00:10:433
8198991110,0cyclictest23970-21lspci22:58:273
8198991110,0cyclictest12450-21lspci23:16:523
8198991110,0cyclictest0-21swapper/322:10:063
8198991110,0cyclictest0-21swapper/300:34:053
819899110,10cyclictest0-21swapper/321:23:463
819899110,0cyclictest23324-21bash23:26:063
819899110,0cyclictest0-21swapper/323:41:563
819299119,1cyclictest480-21lspci22:39:512
819299112,1cyclictest131rcu_sched23:12:252
8192991110,0cyclictest0-21swapper/200:19:422
819299110,1cyclictest8172-21cyclictest21:43:212
819299110,1cyclictest22556-21bash21:26:012
819299110,10cyclictest3499-21sshd22:06:512
819299110,10cyclictest2803-21sshd22:03:212
819299110,10cyclictest0-21swapper/223:01:322
819299110,0cyclictest19180-21lspci00:26:422
819299110,0cyclictest0-21swapper/222:32:412
818699110,1cyclictest19015-21lspci00:23:561
818699110,10cyclictest0-21swapper/122:37:371
818699110,10cyclictest0-21swapper/122:17:461
818199118,2cyclictest9-21ksoftirqd/023:49:220
8181991110,0cyclictest4631-21lspci00:11:340
8181991110,0cyclictest32550irq/27-ahci[00023:01:580
8181991110,0cyclictest28017-21lspci22:05:590
819899109,0cyclictest0-21swapper/323:35:163
819899109,0cyclictest0-21swapper/322:20:363
819899109,0cyclictest0-21swapper/321:49:263
819899109,0cyclictest0-21swapper/300:26:463
819899108,1cyclictest0-21swapper/322:49:463
819899100,0cyclictest0-21swapper/300:23:153
819299109,0cyclictest0-21swapper/223:55:512
819299109,0cyclictest0-21swapper/222:20:522
819299109,0cyclictest0-21swapper/200:06:012
819299108,1cyclictest3244-21lspci23:32:422
819299100,0cyclictest0-21swapper/221:46:322
819299100,0cyclictest0-21swapper/220:25:012
819299100,0cyclictest0-21swapper/200:23:112
818699109,0cyclictest0-21swapper/122:54:471
818699109,0cyclictest0-21swapper/122:10:471
818699109,0cyclictest0-21swapper/100:34:461
818699108,1cyclictest710-21NetworkManager21:29:461
8186991010,0cyclictest0-21swapper/123:46:061
818199109,0cyclictest32550irq/27-ahci[00023:27:500
818199109,0cyclictest32550irq/27-ahci[00021:48:420
818199109,0cyclictest32550irq/27-ahci[00000:22:200
818199101,2cyclictest660-21avahi-daemon23:53:430
818199101,2cyclictest660-21avahi-daemon23:53:420
818199101,1cyclictest9-21ksoftirqd/023:14:260
81989998,0cyclictest26079-21lspci21:51:553
81989998,0cyclictest13522-21lspci23:03:083
81989998,0cyclictest0-21swapper/322:17:053
81989998,0cyclictest0-21swapper/321:59:363
81989998,0cyclictest0-21swapper/321:39:553
81989998,0cyclictest0-21swapper/319:39:563
81989998,0cyclictest0-21swapper/319:13:163
81989997,1cyclictest3354-21cp23:52:063
81989997,1cyclictest3354-21cp23:52:053
81989993,2cyclictest674-21dbus-daemon23:47:503
81929997,1cyclictest33-21ksoftirqd/223:15:432
81929996,1cyclictest33-21ksoftirqd/200:03:432
81929992,3cyclictest131rcu_sched21:35:162
81869998,0cyclictest0-21swapper/122:42:261
81869998,0cyclictest0-21swapper/121:14:171
81869998,0cyclictest0-21swapper/100:00:071
81819997,1cyclictest9-21ksoftirqd/022:40:210
81819996,1cyclictest9-21ksoftirqd/021:58:300
81819991,1cyclictest131rcu_sched22:35:040
81819990,1cyclictest131rcu_sched22:00:510
81819990,1cyclictest1-21systemd23:44:010
81819990,0cyclictest131rcu_sched23:15:240
81819990,0cyclictest131rcu_sched00:09:020
27670290,0sleep10-21swapper/123:59:451
81989986,1cyclictest0-21swapper/322:51:553
81989980,7cyclictest0-21swapper/320:16:263
81929986,1cyclictest33-21ksoftirqd/220:10:012
81929985,2cyclictest660-21avahi-daemon23:54:492
81929985,2cyclictest660-21avahi-daemon23:54:482
81929985,2cyclictest660-21avahi-daemon22:55:232
81929984,3cyclictest660-21avahi-daemon21:51:532
81929981,1cyclictest131rcu_sched00:10:112
81929980,7cyclictest0-21swapper/219:10:322
81929980,1cyclictest131rcu_sched21:34:272
81869987,0cyclictest0-21swapper/121:46:571
81869986,1cyclictest21206-21lspci22:47:061
81869986,1cyclictest1289-21lspci22:26:031
81869985,2cyclictest660-21avahi-daemon00:15:321
81869985,1cyclictest674-21dbus-daemon22:23:141
81819987,0cyclictest9-21ksoftirqd/021:29:220
81819986,1cyclictest9-21ksoftirqd/021:32:450
81989976,0cyclictest41-21ksoftirqd/320:25:003
81989975,1cyclictest41-21ksoftirqd/323:20:143
81989975,1cyclictest41-21ksoftirqd/321:40:533
81989973,3cyclictest674-21dbus-daemon21:10:153
81989970,6cyclictest21730-21sshd22:08:543
81989970,2cyclictest131rcu_sched21:29:213
81929976,0cyclictest0-21swapper/219:33:312
81929975,1cyclictest660-21avahi-daemon21:55:012
81929975,1cyclictest660-21avahi-daemon21:20:542
81929975,1cyclictest660-21avahi-daemon21:16:572
81929975,1cyclictest649-21polkitd20:45:012
81929975,1cyclictest33-21ksoftirqd/222:25:052
81929975,1cyclictest33-21ksoftirqd/200:30:082
81869976,0cyclictest0-21swapper/119:55:161
81869975,1cyclictest4274-21lspci22:06:561
81869975,1cyclictest31087-21sshd23:40:331
81869975,1cyclictest28446-21sshd21:55:371
81869975,1cyclictest1-21systemd21:35:021
81869974,2cyclictest660-21avahi-daemon21:24:151
81869974,2cyclictest642-21systemd-logind23:27:491
81869973,2cyclictest27867-21sshd21:15:471
81869972,2cyclictest1761-21sshd23:15:571
81819975,1cyclictest9-21ksoftirqd/021:11:260
81989964,1cyclictest674-21dbus-daemon21:15:523
81989963,2cyclictest1002-21snmpd20:30:573
81989963,2cyclictest1002-21snmpd20:14:203
81989963,2cyclictest1002-21snmpd19:58:263
81989963,2cyclictest1002-21snmpd19:32:253
81989960,5cyclictest31314-21sshd20:05:063
81929964,1cyclictest11658-21mii-tool20:35:102
81929963,2cyclictest1002-21snmpd19:59:532
81929963,2cyclictest1002-21snmpd19:42:052
81869965,0cyclictest0-21swapper/120:00:061
81869964,1cyclictest660-21avahi-daemon22:30:031
81869960,5cyclictest0-21swapper/119:48:361
81819965,0cyclictest9-21ksoftirqd/021:05:000
81819964,1cyclictest9-21ksoftirqd/019:30:000
81819964,1cyclictest699-21gdbus19:14:590
81819963,2cyclictest1002-21snmpd19:54:030
81819963,2cyclictest1002-21snmpd19:40:230
81989953,1cyclictest646-21lsmd20:41:443
81989953,1cyclictest646-21lsmd20:29:283
81989953,1cyclictest1002-21snmpd21:01:043
81989953,1cyclictest1002-21snmpd20:51:053
81989953,1cyclictest1002-21snmpd19:50:183
81989953,1cyclictest1002-21snmpd19:25:053
81989953,1cyclictest1002-21snmpd19:15:003
81989952,2cyclictest21857-21cut19:40:133
81989952,2cyclictest1002-21snmpd20:46:273
81989952,2cyclictest1002-21snmpd19:47:473
81989951,1cyclictest131rcu_sched21:00:003
81989950,2cyclictest29812-21/usr/sbin/munin20:00:163
81989950,2cyclictest14291-21/usr/sbin/munin19:20:183
81989950,0cyclictest0-21swapper/320:35:553
81929954,0cyclictest0-21swapper/220:00:512
81929953,1cyclictest23779-21load19:45:122
81929953,1cyclictest21364-21/usr/sbin/munin21:00:122
81929953,1cyclictest15732-21mii-tool20:45:132
81929953,1cyclictest1479-21cat20:10:132
81929953,1cyclictest12123-21timerandwakeup19:15:192
81929953,1cyclictest1015-21runrttasks19:36:032
81929953,1cyclictest1002-21snmpd21:06:172
81929953,1cyclictest1002-21snmpd20:57:232
81929953,1cyclictest1002-21snmpd20:50:252
81929953,1cyclictest1002-21snmpd20:32:552
81929953,1cyclictest1002-21snmpd20:16:182
81929953,1cyclictest1002-21snmpd19:50:332
81929952,2cyclictest14267-21sed19:20:182
81929952,2cyclictest1002-21snmpd19:25:502
81869953,1cyclictest649-21polkitd20:45:001
81869953,1cyclictest649-21polkitd20:15:011
81869953,1cyclictest25699-21cat19:50:141
81869953,1cyclictest19807-21mii-tool20:55:151
81869953,1cyclictest1705-21sendmail19:26:141
81869953,1cyclictest13441-21cat19:20:121
81869953,1cyclictest11673-21cat20:35:111
81869953,1cyclictest10937-21mii-tool19:15:011
81869953,1cyclictest1088-21ntpd20:40:141
81869953,1cyclictest1088-21ntpd20:20:141
81869953,1cyclictest1002-21snmpd21:05:591
81869953,1cyclictest1002-21snmpd21:01:521
81869953,1cyclictest1002-21snmpd20:52:371
81869953,1cyclictest1002-21snmpd20:28:061
81869953,1cyclictest1002-21snmpd19:42:381
81869953,1cyclictest1002-21snmpd19:36:341
81869953,1cyclictest1002-21snmpd19:31:581
81869953,1cyclictest1002-21snmpd19:11:061
81869952,2cyclictest1347-21gltestperf20:10:121
81869951,3cyclictest0-21swapper/120:09:131
81819954,0cyclictest0-21swapper/020:31:220
81819953,1cyclictest9-21ksoftirqd/019:45:000
81819953,1cyclictest5192-21cpuspeed_turbos20:20:110
81819953,1cyclictest3533-21cat20:15:110
81819953,1cyclictest31320-21/usr/sbin/munin20:05:140
81819953,1cyclictest22908-21kworker/0:119:55:170
81819953,1cyclictest1705-21sendmail20:55:270
81819953,1cyclictest1002-21snmpd21:05:130
81819953,1cyclictest1002-21snmpd20:42:480
81819953,1cyclictest1002-21snmpd20:25:240
81819953,1cyclictest1002-21snmpd20:11:170
81819953,1cyclictest1002-21snmpd20:03:560
81819953,1cyclictest1002-21snmpd19:37:460
81819953,1cyclictest1002-21snmpd19:21:340
81819952,2cyclictest699-21gdbus20:55:000
81819952,2cyclictest1002-21snmpd20:35:330
81819950,4cyclictest12743-21crond19:20:000
81819950,4cyclictest0-21swapper/019:31:120
81989940,1cyclictest24038-21memory21:05:163
81929942,1cyclictest5733-21missed_timers20:20:132
81869942,1cyclictest1002-21snmpd20:30:041
81819942,1cyclictest15404-21ls20:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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