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2026-05-14 - 01:50
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Thu May 14, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221952940,0sleep222192-21lspci00:34:342
4592830,0sleep3391rcuc/300:29:553
244882760,0sleep024487-21/usr/sbin/munin22:20:140
60922570,0sleep00-21swapper/023:42:420
80662550,0sleep3391rcuc/322:27:143
90842540,0sleep3391rcuc/321:34:183
206372530,0sleep0111rcuc/021:32:080
202762530,0sleep30-21swapper/323:46:413
240492520,1sleep324047-21lspci22:03:273
194462520,0sleep30-21swapper/300:09:043
187422520,0sleep00-21swapper/021:49:010
84752510,0sleep30-21swapper/322:38:313
56672510,1sleep00-21swapper/022:18:380
167132510,0sleep10-21swapper/122:25:121
80272500,1sleep2321ktimersoftd/222:21:362
287872500,1sleep228784-21lspci23:16:402
64752490,1sleep36461-21bash23:17:333
272812490,0sleep10-21swapper/121:52:321
207172490,0sleep10-21swapper/123:01:571
174362480,1sleep0699-21gdbus23:52:030
247422470,0sleep00-21swapper/000:26:190
1461224728,7sleep00-21swapper/019:07:170
28012460,0sleep00-21swapper/021:44:540
51002410,0sleep30-21swapper/323:39:523
112262410,1sleep0642-21systemd-logind23:20:430
244652400,1sleep11494199cyclictest23:47:031
28972370,0sleep10-21swapper/121:22:021
145002309,7sleep10-21swapper/119:05:541
1452722412,7sleep30-21swapper/319:06:163
1480222310,7sleep20-21swapper/219:09:442
84992200,0sleep00-21swapper/023:09:210
212032190,0sleep10-21swapper/123:41:091
51592180,1sleep35157-21sshd00:38:403
251572180,0sleep20-21swapper/221:32:412
5752170,0sleep2321ktimersoftd/200:18:402
28032170,1sleep3649-21polkitd22:52:023
260652170,1sleep3401ktimersoftd/322:40:043
14952991711,5cyclictest1-21systemd23:59:463
302672160,1sleep20-21swapper/221:44:272
29902160,1sleep12988-21bash21:44:551
296802160,0sleep10-21swapper/121:58:201
19522160,0sleep20-21swapper/222:51:572
18702160,0sleep10-21swapper/122:04:211
161102160,1sleep01-21systemd23:49:100
1494199165,8cyclictest642-21systemd-logind00:38:171
1494199162,5cyclictest674-21dbus-daemon00:30:161
1494199160,5cyclictest24109-21sshd00:15:071
1494199160,15cyclictest10357-21sshd22:58:171
124242160,0sleep2311rcuc/222:02:262
324722150,1sleep032468-21sshd21:52:590
182882150,1sleep118289-21sshd23:12:591
16752150,0sleep00-21swapper/021:17:580
14948991515,0cyclictest527-40kipmi021:45:392
1494199152,9cyclictest674-21dbus-daemon22:50:421
1494199152,6cyclictest649-21polkitd22:50:011
1494199150,8cyclictest649-21polkitd00:04:231
1494199150,7cyclictest31392-21sshd23:22:301
1494199150,6cyclictest674-21dbus-daemon23:33:001
1494199150,6cyclictest674-21dbus-daemon00:27:331
1494199150,6cyclictest2107-21grep23:50:401
1494199150,5cyclictest29979-21gdbus23:08:311
1494199150,14cyclictest32231-21lspci22:18:071
14312150,0sleep00-21swapper/023:25:270
260622140,0sleep20-21swapper/223:58:262
221002140,1sleep0111rcuc/022:36:530
1494199143,8cyclictest699-21gdbus23:15:371
1494199142,6cyclictest642-21systemd-logind22:41:481
1494199142,5cyclictest674-21dbus-daemon22:38:191
1494199142,5cyclictest642-21systemd-logind23:26:261
1494199140,8cyclictest674-21dbus-daemon21:17:121
1494199140,6cyclictest674-21dbus-daemon22:05:371
1494199140,6cyclictest3867-21sshd22:24:061
1494199140,6cyclictest25662-21sshd22:14:461
1494199140,6cyclictest14522-21cp23:35:041
1494199140,6cyclictest11708-21sshd22:30:201
1494199140,13cyclictest29401-21bash21:13:261
14935991412,1cyclictest674-21dbus-daemon22:28:250
155732130,0sleep315575-21bash21:51:293
1495299130,12cyclictest674-21dbus-daemon22:23:053
1494899134,1cyclictest33-21ksoftirqd/223:47:582
14948991311,1cyclictest0-21swapper/222:31:182
1494899130,1cyclictest29979-21gdbus23:07:592
1494899130,12cyclictest0-21swapper/222:47:082
1494199134,5cyclictest674-21dbus-daemon21:35:161
1494199133,7cyclictest649-21polkitd00:10:091
1494199132,6cyclictest29979-21gdbus21:45:231
1494199130,6cyclictest642-21systemd-logind23:58:181
1494199130,6cyclictest29979-21gdbus00:05:531
1494199130,5cyclictest3943-21bash21:33:521
1494199130,5cyclictest17899-21/usr/sbin/munin00:20:201
1493599135,4cyclictest6736-21sshd23:40:000
76792120,0sleep30-21swapper/300:19:163
1495299126,5cyclictest18329-21sshd23:43:463
1495299125,6cyclictest660-21avahi-daemon00:34:503
1495299125,2cyclictest660-21avahi-daemon23:01:253
1495299125,2cyclictest660-21avahi-daemon21:57:383
1495299124,7cyclictest649-21polkitd22:06:413
1495299124,1cyclictest6030-21sshd22:46:413
1495299123,3cyclictest642-21systemd-logind00:24:053
1495299120,1cyclictest1395-21id21:25:463
1495299120,11cyclictest23418-21sshd00:00:563
1495299120,11cyclictest0-21swapper/322:16:563
1495299120,0cyclictest0-21swapper/319:26:463
1494899128,1cyclictest121rcu_preempt22:58:482
1494899121,1cyclictest131rcu_sched22:05:142
14948991210,1cyclictest642-21systemd-logind00:24:292
14948991210,1cyclictest33-21ksoftirqd/222:42:002
1494899120,2cyclictest649-21polkitd23:30:182
1494899120,1cyclictest2880-21lspci21:55:572
1494899120,11cyclictest0-21swapper/223:35:392
1493599123,5cyclictest13515-21munin-run23:35:000
14935991210,1cyclictest13247-21bash00:30:560
1493599120,1cyclictest0-21swapper/022:56:360
20842110,0sleep00-21swapper/022:32:200
1495299119,1cyclictest7274-21sshd23:31:363
1495299116,4cyclictest8535-21lspci21:22:463
1495299115,1cyclictest660-21avahi-daemon23:51:073
1495299115,1cyclictest660-21avahi-daemon21:36:473
1495299115,1cyclictest649-21polkitd21:46:183
1495299114,2cyclictest674-21dbus-daemon22:10:343
1495299114,1cyclictest699-21gdbus21:16:523
1495299114,1cyclictest699-21gdbus21:10:173
1495299114,1cyclictest674-21dbus-daemon23:20:013
1495299114,1cyclictest674-21dbus-daemon23:05:413
1495299114,1cyclictest660-21avahi-daemon23:25:303
1495299114,1cyclictest660-21avahi-daemon23:10:233
1495299114,1cyclictest649-21polkitd22:30:313
1495299114,1cyclictest31227-21sshd21:41:423
1495299113,2cyclictest660-21avahi-daemon22:56:583
1495299112,3cyclictest674-21dbus-daemon00:10:133
1494899119,1cyclictest1073-21nfsd22:35:472
1494899118,1cyclictest33-21ksoftirqd/222:18:382
1494899111,1cyclictest131rcu_sched23:53:022
14948991110,0cyclictest0-21swapper/221:26:382
14948991110,0cyclictest0-21swapper/221:23:182
1494199118,2cyclictest0-21swapper/119:15:171
1494199110,8cyclictest5124-21id21:26:151
1494199110,10cyclictest0-21swapper/120:35:171
1493599119,1cyclictest1-21systemd22:54:350
14935991110,0cyclictest0-21swapper/022:44:560
1493599110,10cyclictest0-21swapper/000:15:360
1495299107,2cyclictest0-21swapper/320:20:063
1495299104,1cyclictest674-21dbus-daemon21:09:513
1495299103,2cyclictest1002-21snmpd19:24:003
1494899109,0cyclictest0-21swapper/223:41:092
1494899108,1cyclictest33-21ksoftirqd/221:35:152
1494899102,1cyclictest33-21ksoftirqd/222:10:172
1494899102,1cyclictest131rcu_sched00:28:152
1494899101,1cyclictest33-21ksoftirqd/221:17:582
1494899101,1cyclictest131rcu_sched22:27:002
1494899101,1cyclictest131rcu_sched00:00:272
1494899100,1cyclictest7593-21sshd00:05:112
1494899100,1cyclictest710-21NetworkManager23:02:512
1494899100,0cyclictest0-21swapper/221:52:182
1494199109,0cyclictest0-21swapper/120:55:171
1494199100,7cyclictest674-21dbus-daemon20:24:551
1494199100,7cyclictest30013-21cpuspeed_turbos19:45:131
1494199100,7cyclictest10228-21basename20:15:151
1494199100,5cyclictest20714-21nfsd420:40:141
1494199100,5cyclictest1388-21latency_hist19:54:591
1493599100,0cyclictest0-21swapper/023:11:460
1493599100,0cyclictest0-21swapper/023:04:360
149529997,1cyclictest0-21swapper/319:39:453
149529993,1cyclictest17726-21awk20:35:003
149529993,1cyclictest1002-21snmpd21:00:543
149529993,1cyclictest1002-21snmpd20:36:233
149529993,1cyclictest1002-21snmpd20:02:583
149529993,1cyclictest1002-21snmpd19:49:573
149529993,1cyclictest1002-21snmpd19:32:453
149529993,1cyclictest1002-21snmpd19:14:553
149489997,1cyclictest33-21ksoftirqd/223:25:172
149489997,1cyclictest33-21ksoftirqd/200:36:402
149489991,1cyclictest33-21ksoftirqd/223:21:022
149489991,1cyclictest33-21ksoftirqd/200:13:242
149489991,1cyclictest131rcu_sched23:10:282
149419993,5cyclictest1002-21snmpd20:09:581
149419993,5cyclictest1002-21snmpd19:14:141
149419990,6cyclictest25854-21/usr/sbin/munin19:35:151
149419990,5cyclictest4916-21cat20:00:211
149419990,5cyclictest31977-21grepconf.sh21:09:321
149419990,5cyclictest28997-21sh21:00:171
149419990,5cyclictest24404-21wc19:30:141
149419990,5cyclictest24269-21cstates20:50:111
149419990,5cyclictest22291-21df20:45:131
149419990,5cyclictest20165-21idleruntime19:20:131
149419990,5cyclictest17255-21unixbench_singl20:30:181
149419990,5cyclictest14970-21switchtime20:25:191
149359997,1cyclictest620-17auditd21:25:460
149529987,0cyclictest0-21swapper/320:50:263
149529983,1cyclictest1002-21snmpd20:58:213
149529982,2cyclictest1002-21snmpd20:29:583
149489980,1cyclictest33-21ksoftirqd/221:14:282
149419982,5cyclictest22636-21ntp_offset19:25:151
149419982,5cyclictest1002-21snmpd19:55:341
149419980,5cyclictest8855-21expr20:10:181
149419980,4cyclictest27937-21grep19:40:111
149359986,1cyclictest5825-21lspci21:22:250
149359986,1cyclictest21014-21lspci23:15:570
149359985,2cyclictest660-21avahi-daemon22:46:220
149359985,2cyclictest660-21avahi-daemon00:36:270
149359985,2cyclictest660-21avahi-daemon00:08:030
149359985,2cyclictest660-21avahi-daemon00:01:190
149359985,2cyclictest5504-21grep23:56:350
149489975,1cyclictest15123-21/usr/sbin/munin19:10:182
149359975,1cyclictest9-21ksoftirqd/000:10:140
149359975,1cyclictest660-21avahi-daemon22:11:370
149359975,1cyclictest660-21avahi-daemon21:35:020
149359975,1cyclictest14900-21grep21:11:360
149359975,1cyclictest10600-21lspci22:05:060
149359974,2cyclictest660-21avahi-daemon22:01:090
149359974,2cyclictest660-21avahi-daemon00:20:290
149359970,6cyclictest24570-21sshd21:55:080
149529964,1cyclictest1002-21snmpd20:14:343
149529963,2cyclictest1002-21snmpd19:56:163
149529960,5cyclictest0-21swapper/320:44:163
149529960,5cyclictest0-21swapper/320:09:363
149489963,2cyclictest1002-21snmpd20:34:352
149489963,2cyclictest1002-21snmpd20:10:162
149489963,2cyclictest1002-21snmpd20:06:432
149489963,2cyclictest1002-21snmpd19:49:242
149489963,2cyclictest1002-21snmpd19:40:332
149489961,1cyclictest131rcu_sched21:09:512
149489960,5cyclictest0-21swapper/219:24:482
149359964,1cyclictest674-21dbus-daemon20:14:550
149359964,1cyclictest32136-21sshd21:09:360
149359964,1cyclictest1002-21snmpd21:02:300
149359960,5cyclictest0-21swapper/019:18:150
149529953,1cyclictest1002-21snmpd20:46:443
149529953,1cyclictest1002-21snmpd20:17:253
149529953,1cyclictest1002-21snmpd19:51:363
149529953,1cyclictest1002-21snmpd19:41:243
149529953,1cyclictest1002-21snmpd19:15:053
149489955,0cyclictest527-40kipmi020:29:022
149489954,0cyclictest0-21swapper/220:40:172
149489954,0cyclictest0-21swapper/219:56:282
149489953,1cyclictest649-21polkitd20:45:002
149489953,1cyclictest445-21systemd-journal20:16:082
149489953,1cyclictest1002-21snmpd20:55:482
149489953,1cyclictest1002-21snmpd20:37:082
149489953,1cyclictest1002-21snmpd20:02:282
149489953,1cyclictest1002-21snmpd19:51:562
149489953,1cyclictest1002-21snmpd19:35:182
149489953,1cyclictest1002-21snmpd19:32:182
149489953,1cyclictest1002-21snmpd19:25:382
149489953,1cyclictest1002-21snmpd19:16:422
149489951,1cyclictest28955-21nfsd421:00:162
149489951,1cyclictest25202-21threads20:50:182
149359954,0cyclictest0-21swapper/019:11:160
149359953,1cyclictest699-21gdbus20:24:550
149359953,1cyclictest28378-21cat19:40:130
149359953,1cyclictest22474-21cat20:45:150
149359953,1cyclictest2101-21cat19:55:140
149359953,1cyclictest20285-21uname19:20:140
149359953,1cyclictest18422-21mii-tool20:35:140
149359953,1cyclictest1002-21snmpd20:59:320
149359953,1cyclictest1002-21snmpd20:50:560
149359953,1cyclictest1002-21snmpd20:31:550
149359953,1cyclictest1002-21snmpd19:47:030
149359952,2cyclictest21572-21chrt20:42:300
149359950,4cyclictest0-21swapper/019:51:360
149359950,2cyclictest15686-21munin-run20:30:000
149359950,0cyclictest0-21swapper/020:16:160
149359950,0cyclictest0-21swapper/019:28:060
149489940,1cyclictest12132-21tr20:20:122
149359942,1cyclictest3991-21gltestperf20:00:130
149359942,1cyclictest26005-21cstates19:35:120
149359942,1cyclictest1002-21snmpd19:30:120
149359942,1cyclictest0-21swapper/020:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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