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2026-03-18 - 20:53
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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 Wed Mar 18, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1536521010,0sleep015364-21/usr/sbin/munin09:55:130
93982930,2sleep3669399cyclictest10:04:583
253862840,0sleep01002-21snmpd10:03:110
293052830,0sleep11-21systemd12:37:271
176672590,0sleep00-21swapper/011:49:480
311402570,0sleep331139-21bash10:47:593
213162570,0sleep30-21swapper/311:09:013
59682560,1sleep2674-21dbus-daemon10:37:402
145742560,0sleep014544-21sshd10:22:040
41932540,1sleep34173-21sshd09:54:043
322142530,0sleep30-21swapper/311:12:393
25752530,0sleep00-21swapper/009:28:260
287922520,1sleep328795-21bash12:04:263
223562520,0sleep20-21swapper/211:47:212
139822510,0sleep00-21swapper/011:19:210
97952500,0sleep09569-21sshd10:35:140
57622500,0sleep1231rcuc/112:05:121
320812500,1sleep332069-21sshd10:56:123
320812500,1sleep332069-21sshd10:56:123
227652500,0sleep30-21swapper/310:13:153
195292500,1sleep233-21ksoftirqd/211:44:262
91602490,1sleep19159-21sshd11:57:141
8422490,0sleep10-21swapper/111:53:501
144742490,0sleep20-21swapper/212:08:412
8682480,0sleep30-21swapper/310:42:433
49102480,0sleep20-21swapper/209:47:152
156012480,0sleep215605-21cpuspeed_turbos07:30:122
171012470,0sleep1231rcuc/110:22:171
247472440,0sleep10-21swapper/111:36:351
230482430,0sleep10-21swapper/110:16:421
248112390,0sleep00-21swapper/010:13:270
266512310,0sleep326652-21bash10:20:193
651323025,3sleep00-21swapper/007:09:290
63372297,7sleep30-21swapper/307:07:203
278972240,1sleep1674-21dbus-daemon10:45:001
61932226,4sleep20-21swapper/207:05:312
476922110,7sleep10-21swapper/107:05:101
273372200,0sleep20-21swapper/210:55:482
273372200,0sleep20-21swapper/210:55:472
96402190,2sleep1667399cyclictest10:08:231
48342190,0sleep30-21swapper/311:45:503
302302180,0sleep00-21swapper/012:32:020
669399170,1cyclictest1-21systemd12:11:033
669399170,1cyclictest0-21swapper/309:18:013
152912170,1sleep0111rcuc/012:36:140
669399163,7cyclictest660-21avahi-daemon11:26:183
669399163,6cyclictest674-21dbus-daemon12:24:003
669399160,1cyclictest24747-21sshd09:21:043
669399160,1cyclictest0-21swapper/310:51:543
38612160,0sleep10-21swapper/111:43:051
170922160,0sleep20-21swapper/211:55:102
669399150,1cyclictest6621-21bash10:35:023
669399150,1cyclictest31772-21bash11:53:423
6681991514,0cyclictest1006-21lspci10:48:112
667399151,5cyclictest674-21dbus-daemon11:15:221
667399150,1cyclictest17805-21lspci10:30:271
210592150,0sleep30-21swapper/309:38:393
197752150,0sleep3391rcuc/311:00:373
669399140,3cyclictest674-21dbus-daemon10:06:133
669399140,2cyclictest674-21dbus-daemon12:30:103
669399140,1cyclictest23263-21sshd12:36:553
667399146,1cyclictest25-21ksoftirqd/110:29:251
267072140,0sleep00-21swapper/012:01:250
258872140,0sleep20-21swapper/211:28:322
223632140,0sleep022361-21bash09:38:480
217122140,0sleep00-21swapper/012:06:310
10182140,0sleep00-21swapper/011:40:070
669399133,6cyclictest674-21dbus-daemon10:25:473
669399130,2cyclictest674-21dbus-daemon11:38:503
669399130,2cyclictest674-21dbus-daemon11:31:293
669399130,2cyclictest27959-21sshd10:17:133
669399130,2cyclictest13780-21sshd09:55:053
669399130,1cyclictest1-21systemd12:28:453
669399130,1cyclictest0-21swapper/310:32:223
669399130,0cyclictest0-21swapper/308:30:143
6681991313,0cyclictest527-40kipmi011:24:402
6681991312,0cyclictest4257-21lspci11:02:052
6681991312,0cyclictest29784-21lspci10:42:252
6681991312,0cyclictest12861-21lspci11:13:452
6681991311,1cyclictest10107-21lspci10:32:342
667399135,2cyclictest25-21ksoftirqd/110:41:071
667399131,3cyclictest674-21dbus-daemon11:12:321
6673991311,1cyclictest1026-21sshd11:00:171
667399130,1cyclictest0-21swapper/111:47:361
667399130,12cyclictest0-21swapper/112:19:071
666599130,1cyclictest14543-21bash10:30:140
55792130,1sleep15572-21lspci10:59:311
55792130,1sleep15572-21lspci10:59:301
254912130,0sleep20-21swapper/210:28:282
669399125,6cyclictest699-21gdbus11:56:503
669399120,1cyclictest674-21dbus-daemon11:40:013
669399120,1cyclictest2992-21bash09:47:023
669399120,1cyclictest24067-21bash12:15:023
669399120,1cyclictest21499-21systemd-cgroups09:26:013
669399120,1cyclictest14192-21systemd-cgroups09:30:183
669399120,1cyclictest1-21systemd12:07:103
669399120,1cyclictest1-21systemd11:15:333
669399120,1cyclictest1-21systemd09:43:533
669399120,1cyclictest0-21swapper/311:22:053
6681991211,0cyclictest15801-21lspci10:12:282
6681991211,0cyclictest13558-21lspci09:41:132
6681991210,1cyclictest418-21lspci12:29:332
6681991210,1cyclictest0-21swapper/211:19:342
667399124,3cyclictest25-21ksoftirqd/111:30:451
667399124,1cyclictest25-21ksoftirqd/110:13:451
667399122,3cyclictest674-21dbus-daemon11:09:341
667399122,3cyclictest649-21polkitd09:57:061
667399121,5cyclictest29979-21gdbus11:27:451
667399121,3cyclictest674-21dbus-daemon10:53:111
667399121,3cyclictest674-21dbus-daemon09:35:521
667399121,3cyclictest642-21systemd-logind10:03:571
667399121,3cyclictest25374-21grep11:23:001
667399121,3cyclictest1-21systemd12:22:481
667399121,3cyclictest10640-21bash09:54:471
667399121,2cyclictest7964-21sshd09:33:481
667399121,2cyclictest642-21systemd-logind09:40:041
667399120,3cyclictest642-21systemd-logind10:39:061
667399120,1cyclictest6473-21ntp_states08:25:151
667399120,1cyclictest0-21swapper/109:26:471
667399120,11cyclictest674-21dbus-daemon12:33:171
666599120,11cyclictest0-21swapper/012:29:230
666599120,11cyclictest0-21swapper/010:27:130
669399114,6cyclictest660-21avahi-daemon09:10:063
669399113,5cyclictest1002-21snmpd09:07:233
669399110,1cyclictest3765-21cat08:20:103
669399110,1cyclictest22711-21smart_sda07:45:173
669399110,1cyclictest14774-21rt-features08:45:183
669399110,1cyclictest10305-21ntp_states07:15:183
668199119,1cyclictest710-21NetworkManager12:20:132
668199119,1cyclictest26213-21lspci12:12:242
668199113,2cyclictest33-21ksoftirqd/210:17:082
668199112,1cyclictest131rcu_sched09:39:562
6681991110,0cyclictest321ktimersoftd/209:34:052
6681991110,0cyclictest27543-21lspci09:56:292
6681991110,0cyclictest12073-21lspci12:38:452
6681991110,0cyclictest0-21swapper/212:00:232
6681991110,0cyclictest0-21swapper/210:52:042
668199110,10cyclictest0-21swapper/212:18:442
668199110,10cyclictest0-21swapper/209:29:332
668199110,10cyclictest0-21swapper/209:16:232
667399119,1cyclictest623-17sedispatch09:13:571
667399119,1cyclictest0-21swapper/109:45:361
667399111,6cyclictest698-21gdbus12:00:541
667399111,3cyclictest674-21dbus-daemon12:26:441
667399110,2cyclictest674-21dbus-daemon09:18:531
6665991110,0cyclictest0-21swapper/010:54:530
6665991110,0cyclictest0-21swapper/010:45:130
666599110,10cyclictest0-21swapper/011:55:440
666599110,10cyclictest0-21swapper/011:36:030
666599110,10cyclictest0-21swapper/010:58:140
666599110,10cyclictest0-21swapper/010:58:130
666599110,10cyclictest0-21swapper/009:50:240
666599110,0cyclictest0-21swapper/008:10:140
669399109,0cyclictest0-21swapper/307:55:143
669399103,6cyclictest1002-21snmpd07:35:173
669399101,1cyclictest25347-21chrt07:53:243
669399100,1cyclictest3083-21taskset08:17:033
668199109,0cyclictest0-21swapper/211:32:032
668199109,0cyclictest0-21swapper/211:08:532
668199108,1cyclictest19067-21sshd12:31:042
668199102,1cyclictest33-21ksoftirqd/210:20:392
667399101,3cyclictest674-21dbus-daemon09:21:191
667399101,2cyclictest20467-21bash12:11:541
667399100,9cyclictest0-21swapper/108:24:561
667399100,9cyclictest0-21swapper/107:28:451
666599109,0cyclictest0-21swapper/011:28:530
666599109,0cyclictest0-21swapper/011:20:330
666599109,0cyclictest0-21swapper/010:17:040
9230290,2sleep0666599cyclictest11:32:340
66939993,5cyclictest1002-21snmpd08:38:523
66939993,5cyclictest1002-21snmpd08:29:583
66939993,5cyclictest1002-21snmpd07:26:023
66939992,6cyclictest723-21gdbus07:25:003
66939992,6cyclictest1002-21snmpd07:30:363
66939992,2cyclictest31098-21sed08:05:183
66939991,1cyclictest21525-21taskset09:03:153
66939990,3cyclictest7141-21/usr/sbin/munin07:10:123
66939990,1cyclictest29346-21chrt08:02:233
66939990,1cyclictest19800-21expr07:40:113
66739998,0cyclictest0-21swapper/108:35:161
66739990,4cyclictest1288-21pluginstate08:15:001
66659998,0cyclictest0-21swapper/012:20:040
66659997,1cyclictest30482-21grep11:01:340
66659991,4cyclictest5392-21perf08:25:000
66939982,5cyclictest12214-21cat08:40:113
66939982,1cyclictest0-21swapper/308:10:113
66939980,2cyclictest18012-21expr08:55:123
66939980,2cyclictest16653-21ntp_offset08:50:153
66819986,1cyclictest33-21ksoftirqd/211:51:552
66819986,1cyclictest33-21ksoftirqd/210:05:032
66819985,2cyclictest674-21dbus-daemon11:36:172
66819980,1cyclictest3995-21kworker/2:010:03:262
66819980,1cyclictest23743-21kworker/2:209:21:352
66659987,0cyclictest0-21swapper/010:09:040
66659987,0cyclictest0-21swapper/009:30:330
66659986,1cyclictest31320-21lspci09:46:350
66659985,2cyclictest660-21avahi-daemon11:54:380
66659985,2cyclictest660-21avahi-daemon10:41:210
66819975,1cyclictest33-21ksoftirqd/209:50:132
66819975,1cyclictest33-21ksoftirqd/208:35:012
66819975,1cyclictest31965-21grepconf.sh09:11:142
66739971,1cyclictest0-21swapper/107:15:171
66739970,3cyclictest20272-21/usr/sbin/munin07:40:131
66739970,2cyclictest23493-21cat07:50:001
66659976,0cyclictest0-21swapper/009:05:130
66659976,0cyclictest0-21swapper/009:00:040
66659976,0cyclictest0-21swapper/008:48:340
66659975,1cyclictest48-21kauditd09:41:140
66659975,1cyclictest30279-21sshd11:07:020
66659974,2cyclictest674-21dbus-daemon12:10:010
66659974,2cyclictest660-21avahi-daemon12:15:410
66659974,2cyclictest660-21avahi-daemon11:11:190
66659974,2cyclictest660-21avahi-daemon09:15:450
66659970,6cyclictest0-21swapper/008:35:540
66659970,6cyclictest0-21swapper/007:18:030
66819963,2cyclictest1002-21snmpd09:06:022
66819963,2cyclictest1002-21snmpd08:40:162
66819963,2cyclictest1002-21snmpd08:25:222
66819963,2cyclictest1002-21snmpd08:13:512
66819963,2cyclictest1002-21snmpd08:09:162
66819963,2cyclictest1002-21snmpd07:26:112
66819963,2cyclictest1002-21snmpd07:23:382
66739964,1cyclictest27023-21grep07:55:181
66739963,2cyclictest22080-21cat09:05:101
66739961,4cyclictest11722-21/usr/sbin/munin08:40:141
66739961,3cyclictest0-21swapper/107:54:591
66739961,1cyclictest7727-21awk07:10:161
66739961,1cyclictest28661-21open_inodes08:00:161
66739961,1cyclictest241ktimersoftd/108:18:321
66739960,5cyclictest0-21swapper/107:32:561
66739960,3cyclictest20455-21latency09:00:141
66739960,2cyclictest12195-21awk07:20:181
66659965,0cyclictest0-21swapper/007:32:540
66659965,0cyclictest0-21swapper/007:23:340
66659964,1cyclictest649-21polkitd09:20:020
66659964,1cyclictest649-21polkitd09:10:090
66659963,2cyclictest1002-21snmpd07:42:350
66659960,5cyclictest0-21swapper/007:37:030
66659960,0cyclictest0-21swapper/008:18:030
66819953,1cyclictest8797-21munin-node07:40:102
66819953,1cyclictest660-21avahi-daemon08:50:232
66819953,1cyclictest26034-21tail07:55:112
66819953,1cyclictest24146-21cat07:50:132
66819953,1cyclictest1002-21snmpd09:03:082
66819953,1cyclictest1002-21snmpd08:46:382
66819953,1cyclictest1002-21snmpd08:35:082
66819953,1cyclictest1002-21snmpd08:24:502
66819953,1cyclictest1002-21snmpd08:15:092
66819953,1cyclictest1002-21snmpd08:01:272
66819953,1cyclictest1002-21snmpd07:13:592
66819952,2cyclictest1002-21snmpd07:36:172
66819950,4cyclictest0-21swapper/207:19:242
66819950,0cyclictest0-21swapper/207:46:532
66739953,1cyclictest642-21systemd-logind08:45:011
66739952,2cyclictest16163-21gltestperf08:50:121
66739951,2cyclictest0-21swapper/108:55:011
66739951,2cyclictest0-21swapper/108:30:141
66739951,2cyclictest0-21swapper/107:35:011
66739951,1cyclictest29959-21cat08:05:091
66659953,1cyclictest7720-21ntp_states07:10:160
66659953,1cyclictest6058-21cat08:25:130
66659953,1cyclictest28618-21ntp_offset08:00:150
66659953,1cyclictest18301-21mii-tool08:55:130
66659953,1cyclictest14412-21grep07:25:160
66659953,1cyclictest1002-21snmpd08:40:070
66659953,1cyclictest1002-21snmpd08:30:220
66659953,1cyclictest1002-21snmpd08:06:240
66659952,2cyclictest22703-21sensors07:45:180
66659952,2cyclictest1002-21snmpd07:53:030
66659950,4cyclictest27522-21latency_hist08:00:000
66819942,1cyclictest18211-21hddtemp_smartct08:55:132
66659942,1cyclictest16248-21if_eno108:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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