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2026-05-25 - 00:16
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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 Sun May 24, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300732730,1sleep1902699cyclictest09:10:141
22062560,2sleep1902699cyclictest10:54:401
252242550,1sleep025219-21bash11:18:580
249822550,1sleep224980-21lspci10:28:492
207132550,0sleep00-21swapper/012:33:520
301812540,0sleep20-21swapper/210:12:352
301812540,0sleep20-21swapper/210:12:352
200422540,0sleep20-21swapper/210:22:492
200422540,0sleep20-21swapper/210:22:482
127772530,0sleep30-21swapper/309:40:323
35122520,0sleep20-21swapper/212:12:472
84312510,0sleep20-21swapper/209:56:492
21052510,0sleep00-21swapper/012:04:200
295622500,0sleep00-21swapper/011:02:370
208152500,0sleep10-21swapper/111:46:231
4632490,0sleep1241ktimersoftd/111:58:361
190512490,0sleep00-21swapper/010:17:100
126242480,0sleep30-21swapper/310:33:203
61382470,0sleep20-21swapper/211:06:062
118432470,0sleep00-21swapper/011:26:080
103982470,0sleep00-21swapper/012:27:190
59672460,0sleep2311rcuc/209:53:542
45212460,0sleep30-21swapper/310:46:293
264652400,0sleep10-21swapper/111:30:131
88192287,7sleep00-21swapper/007:08:530
858222512,9sleep20-21swapper/207:05:552
858122313,6sleep10-21swapper/107:05:541
234052210,0sleep10-21swapper/111:07:381
71212208,7sleep30-21swapper/307:05:083
289372200,1sleep228933-21sshd09:25:502
64352190,0sleep00-21swapper/011:59:080
274422190,0sleep30-21swapper/311:19:093
215662190,1sleep121564-21lspci12:14:231
50012180,1sleep24999-21sshd10:43:472
282462170,0sleep30-21swapper/309:14:003
201772170,1sleep020170-21sshd09:44:020
25102160,0sleep0111rcuc/009:34:120
121502160,0sleep10-21swapper/109:51:351
119212160,0sleep20-21swapper/211:54:012
902899150,1cyclictest3824-21lspci09:30:383
53072150,0sleep00-21swapper/010:04:560
200212150,1sleep320019-21lspci12:39:243
179382150,1sleep017936-21bash11:48:580
99982140,0sleep00-21swapper/012:21:430
902899145,3cyclictest41-21ksoftirqd/312:15:423
902799140,1cyclictest674-21dbus-daemon09:47:262
902699140,1cyclictest26552-21lspci10:48:251
258432140,0sleep20-21swapper/211:38:322
248622140,0sleep0111rcuc/009:17:310
196922140,0sleep30-21swapper/312:14:143
162292140,0sleep10-21swapper/110:16:551
902899130,1cyclictest12989-21sshd11:01:083
902799130,12cyclictest0-21swapper/211:12:172
9026991311,1cyclictest18150-21bash11:43:251
902699130,1cyclictest674-21dbus-daemon12:04:161
902399130,12cyclictest674-21dbus-daemon09:46:240
902399130,12cyclictest1026-21sshd09:13:140
193652130,1sleep119364-21bash09:32:371
19262130,1sleep21928-21bash11:28:052
902899121,1cyclictest26866-21lspci11:52:303
9028991210,1cyclictest1836-21sshd10:29:383
902899120,11cyclictest9482-21bash10:02:283
902899120,11cyclictest674-21dbus-daemon12:08:483
902899120,11cyclictest482-21sshd11:08:283
902699120,1cyclictest0-21swapper/110:06:351
902699120,11cyclictest0-21swapper/110:30:441
9023991210,1cyclictest27986-21kworker/0:410:44:560
252602120,0sleep10-21swapper/112:17:271
223512120,0sleep30-21swapper/312:20:013
106322120,0sleep00-21swapper/012:05:040
902899118,2cyclictest27527-21sshd11:46:583
902899118,2cyclictest0-21swapper/310:17:483
902899113,3cyclictest41-21ksoftirqd/312:30:503
902899111,3cyclictest41-21ksoftirqd/312:00:333
9028991110,0cyclictest0-21swapper/311:31:383
902899110,1cyclictest0-21swapper/309:59:583
902899110,10cyclictest0-21swapper/309:18:083
902799119,1cyclictest0-21swapper/209:35:562
9027991110,0cyclictest0-21swapper/212:38:462
9027991110,0cyclictest0-21swapper/209:11:462
902799110,10cyclictest0-21swapper/211:01:562
902799110,0cyclictest0-21swapper/210:01:062
902699119,1cyclictest13315-21sshd09:20:041
9026991110,0cyclictest0-21swapper/111:28:541
9026991110,0cyclictest0-21swapper/110:14:141
9026991110,0cyclictest0-21swapper/110:14:141
902699110,10cyclictest0-21swapper/111:39:351
902399119,1cyclictest10419-21kworker/0:010:22:240
902399119,1cyclictest10419-21kworker/0:010:22:240
902399110,10cyclictest0-21swapper/009:51:240
902399110,0cyclictest0-21swapper/012:10:140
192262110,0sleep30-21swapper/309:49:293
902899109,0cyclictest0-21swapper/307:58:083
902899108,1cyclictest0-21swapper/310:13:093
902899108,1cyclictest0-21swapper/310:13:083
902899105,3cyclictest41-21ksoftirqd/309:35:573
902899104,3cyclictest41-21ksoftirqd/310:09:283
902899102,3cyclictest41-21ksoftirqd/310:42:593
902899102,1cyclictest674-21dbus-daemon11:11:103
902899101,3cyclictest41-21ksoftirqd/311:35:163
902899101,3cyclictest41-21ksoftirqd/311:27:573
902899101,2cyclictest642-21systemd-logind10:59:013
902899101,2cyclictest0-21swapper/309:27:573
902899100,9cyclictest0-21swapper/308:07:083
902899100,5cyclictest674-21dbus-daemon10:35:283
902899100,3cyclictest723-21gdbus12:29:563
902899100,3cyclictest649-21polkitd11:56:263
902899100,3cyclictest0-21swapper/310:22:583
902899100,3cyclictest0-21swapper/310:22:583
902799109,0cyclictest0-21swapper/211:59:562
902799109,0cyclictest0-21swapper/211:48:362
902799109,0cyclictest0-21swapper/210:55:362
902799109,0cyclictest0-21swapper/209:42:562
902799109,0cyclictest0-21swapper/207:59:562
902799109,0cyclictest0-21swapper/207:40:162
902799108,1cyclictest27410-21lspci12:31:362
902799108,1cyclictest12635-21lspci11:23:262
902799108,1cyclictest1-21systemd12:15:462
902799100,0cyclictest0-21swapper/212:24:562
902699109,0cyclictest0-21swapper/112:39:351
902699109,0cyclictest0-21swapper/112:27:551
902699108,1cyclictest660-21avahi-daemon09:49:241
902699100,0cyclictest3783-21sshd09:26:441
902699100,0cyclictest0-21swapper/112:33:451
902699100,0cyclictest0-21swapper/112:24:251
902699100,0cyclictest0-21swapper/111:22:541
902399109,0cyclictest0-21swapper/011:24:540
902399109,0cyclictest0-21swapper/011:07:440
902399109,0cyclictest0-21swapper/008:35:040
902399109,0cyclictest0-21swapper/007:45:040
902399108,1cyclictest1-21systemd11:34:440
902399106,1cyclictest20760-21lspci10:06:130
902399100,9cyclictest0-21swapper/011:38:340
90289998,0cyclictest0-21swapper/307:54:083
90289993,3cyclictest41-21ksoftirqd/310:50:173
90289992,3cyclictest710-21NetworkManager09:21:523
90289990,2cyclictest27740-21systemd-cgroups11:21:573
90289990,1cyclictest41-21ksoftirqd/311:40:103
90279998,0cyclictest0-21swapper/210:54:462
90279997,1cyclictest8329-21bash10:32:562
90279997,1cyclictest20600-21lspci12:05:512
90279997,1cyclictest1388-21bash10:15:362
90269998,0cyclictest0-21swapper/112:05:351
90269998,0cyclictest0-21swapper/111:19:541
90269998,0cyclictest0-21swapper/110:37:041
90269995,3cyclictest32601-21rm10:26:391
90269990,0cyclictest0-21swapper/109:44:051
90239998,0cyclictest22171-21lspci09:55:140
90239998,0cyclictest0-21swapper/010:28:540
90239997,1cyclictest9-21ksoftirqd/010:59:590
90239996,2cyclictest660-21avahi-daemon10:45:250
3545290,1sleep3391rcuc/309:50:503
90289987,0cyclictest0-21swapper/308:16:183
90279987,0cyclictest0-21swapper/211:40:062
90279987,0cyclictest0-21swapper/208:48:162
90279987,0cyclictest0-21swapper/208:48:162
90279986,1cyclictest7860-21lspci11:17:262
90279986,1cyclictest660-21avahi-daemon10:09:562
90279986,1cyclictest25694-21lspci09:17:362
90279985,2cyclictest660-21avahi-daemon12:25:152
90279985,2cyclictest660-21avahi-daemon12:00:532
90269987,0cyclictest0-21swapper/109:19:151
90269986,1cyclictest660-21avahi-daemon09:55:181
90269986,1cyclictest20620-21if_eno208:55:141
90269986,1cyclictest10380-21bash10:44:161
90269985,2cyclictest674-21dbus-daemon11:11:001
90269985,2cyclictest660-21avahi-daemon11:51:521
90269985,2cyclictest660-21avahi-daemon10:56:131
90269985,2cyclictest660-21avahi-daemon09:35:381
90269984,3cyclictest674-21dbus-daemon10:01:021
90239987,0cyclictest0-21swapper/011:50:550
90239986,1cyclictest9-21ksoftirqd/011:11:330
90239986,1cyclictest9-21ksoftirqd/010:12:220
90239986,1cyclictest9-21ksoftirqd/010:12:220
90239986,1cyclictest9-21ksoftirqd/009:38:330
90239986,1cyclictest5154-21lspci11:42:160
90239986,1cyclictest10835-21lspci10:33:100
90239986,1cyclictest10021-21lspci12:35:390
90239985,2cyclictest674-21dbus-daemon09:26:380
90239985,2cyclictest660-21avahi-daemon12:18:540
90239985,2cyclictest660-21avahi-daemon10:54:000
90239985,2cyclictest660-21avahi-daemon09:22:250
90239980,2cyclictest0-21swapper/010:35:170
90289976,0cyclictest0-21swapper/309:03:093
90289976,0cyclictest0-21swapper/308:38:083
90289976,0cyclictest0-21swapper/308:24:383
90289976,0cyclictest0-21swapper/308:11:083
90289970,1cyclictest0-21swapper/308:01:013
90279976,0cyclictest0-21swapper/208:24:362
90279975,1cyclictest699-21gdbus09:32:182
90279975,1cyclictest660-21avahi-daemon09:24:402
90279975,1cyclictest31603-21lspci10:37:432
90279974,2cyclictest649-21polkitd11:32:342
90279974,2cyclictest22867-21sshd10:45:182
90269974,2cyclictest649-21polkitd10:21:031
90269974,2cyclictest649-21polkitd10:21:021
90269974,2cyclictest10559-21sshd11:00:551
90239976,0cyclictest0-21swapper/009:09:540
90239976,0cyclictest0-21swapper/008:55:040
90239976,0cyclictest0-21swapper/008:50:250
90239976,0cyclictest0-21swapper/008:14:240
90239976,0cyclictest0-21swapper/007:30:240
90239976,0cyclictest0-21swapper/007:10:140
90289963,2cyclictest674-21dbus-daemon09:09:293
90279964,1cyclictest445-21systemd-journal08:15:002
90279963,2cyclictest1002-21snmpd08:56:402
90279963,2cyclictest1002-21snmpd08:42:012
90279962,2cyclictest19819-21sshd08:53:532
90279960,5cyclictest0-21swapper/207:25:362
90269963,2cyclictest1002-21snmpd08:29:001
90269963,2cyclictest1002-21snmpd07:56:201
90269960,5cyclictest0-21swapper/107:54:351
90269960,2cyclictest9986-21/usr/sbin/munin08:30:171
90239965,0cyclictest0-21swapper/007:52:440
90239965,0cyclictest0-21swapper/007:24:540
90289953,1cyclictest18403-21/usr/sbin/munin08:50:123
90289953,1cyclictest1002-21snmpd08:40:283
90289953,1cyclictest1002-21snmpd07:34:043
90289953,1cyclictest1002-21snmpd07:25:283
90289953,1cyclictest0-21swapper/308:55:173
90289953,1cyclictest0-21swapper/307:35:093
90289952,2cyclictest1002-21snmpd08:46:393
90289952,2cyclictest1002-21snmpd08:46:393
90289951,2cyclictest41-21ksoftirqd/307:15:013
90289951,2cyclictest0-21swapper/308:30:173
90289951,2cyclictest0-21swapper/307:45:273
90289951,1cyclictest41-21ksoftirqd/307:40:123
90289950,3cyclictest41-21ksoftirqd/307:11:313
90289950,1cyclictest41-21ksoftirqd/308:25:133
90289950,1cyclictest0-21swapper/307:20:193
90279953,1cyclictest649-21polkitd08:00:002
90279953,1cyclictest646-21lsmd09:01:062
90279953,1cyclictest18373-21mii-tool07:30:132
90279953,1cyclictest1002-21snmpd09:06:072
90279953,1cyclictest1002-21snmpd08:36:362
90279953,1cyclictest1002-21snmpd08:32:182
90279953,1cyclictest1002-21snmpd08:25:542
90279953,1cyclictest1002-21snmpd08:15:062
90279953,1cyclictest1002-21snmpd07:54:272
90279953,1cyclictest1002-21snmpd07:45:322
90279953,1cyclictest1002-21snmpd07:14:252
90279952,2cyclictest674-21dbus-daemon08:05:002
90279952,2cyclictest14361-21uname07:20:142
90279952,2cyclictest1002-21snmpd07:15:552
90269953,1cyclictest30600-21cat08:00:141
90269953,1cyclictest18216-21grep07:30:121
90269953,1cyclictest16539-21cat08:45:131
90269953,1cyclictest16539-21cat08:45:131
90269953,1cyclictest16351-21cat07:25:151
90269953,1cyclictest14530-21mii-tool08:40:131
90269953,1cyclictest1143-21unixbench_singl08:05:201
90269953,1cyclictest1002-21snmpd09:05:071
90269953,1cyclictest1002-21snmpd09:03:071
90269953,1cyclictest1002-21snmpd08:54:231
90269953,1cyclictest1002-21snmpd08:10:081
90269953,1cyclictest1002-21snmpd07:49:441
90269953,1cyclictest1002-21snmpd07:37:461
90269953,1cyclictest1002-21snmpd07:23:341
90269953,1cyclictest0-21swapper/107:15:171
90269952,2cyclictest1002-21snmpd07:10:521
90269951,1cyclictest0-21swapper/107:41:071
90269950,4cyclictest0-21swapper/108:38:041
90269950,2cyclictest3869-21sshd08:15:081
90239954,0cyclictest0-21swapper/007:26:440
90239953,1cyclictest649-21polkitd08:40:000
90239953,1cyclictest22651-21cat09:00:150
90239953,1cyclictest22458-21cat07:40:140
90239953,1cyclictest1002-21snmpd08:46:540
90239953,1cyclictest1002-21snmpd08:46:540
90239953,1cyclictest1002-21snmpd08:30:340
90239953,1cyclictest1002-21snmpd08:22:180
90239953,1cyclictest1002-21snmpd08:18:140
90239953,1cyclictest1002-21snmpd07:55:290
90239953,1cyclictest1002-21snmpd07:36:010
90239952,2cyclictest674-21dbus-daemon07:15:010
90239952,2cyclictest1194-21taskset08:05:220
90239952,2cyclictest1002-21snmpd08:25:180
90239952,2cyclictest1002-21snmpd08:00:560
90279942,1cyclictest1002-21snmpd07:35:102
90269940,3cyclictest5911-21/usr/sbin/munin08:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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