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2026-03-19 - 08:45
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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 highest latencies:
System rack2slot0.osadl.org (updated Thu Mar 19, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
649921060,0sleep06374-21sshd00:22:460
287622880,0sleep00-21swapper/023:38:010
293482710,0sleep00-21swapper/023:13:220
16942650,1sleep31698-21bash22:27:073
322662590,0sleep10-21swapper/123:49:191
246732590,2sleep0232399cyclictest00:13:220
173242580,0sleep30-21swapper/323:34:193
185282560,1sleep318526-21lspci23:37:073
62372550,0sleep20-21swapper/200:00:462
212972550,0sleep30-21swapper/300:32:143
297382540,0sleep00-21swapper/000:16:300
136012530,0sleep3391rcuc/323:55:543
67092520,0sleep20-21swapper/200:28:182
201142520,0sleep20-21swapper/222:42:242
107922520,1sleep20-21swapper/221:19:412
296982510,1sleep229695-21lspci00:13:482
170672510,0sleep00-21swapper/023:25:580
132042510,0sleep10-21swapper/123:11:591
318652500,0sleep231864-21sshd21:40:202
169462500,0sleep10-21swapper/123:56:121
29432490,0sleep30-21swapper/323:13:523
176712490,0sleep20-21swapper/223:23:212
111292490,0sleep10-21swapper/100:28:411
47192480,1sleep14715-21bash21:44:271
269122480,0sleep10-21swapper/123:02:081
174432480,0sleep00-21swapper/023:56:140
153002460,0sleep20-21swapper/223:50:322
298332440,0sleep20-21swapper/200:08:182
127292440,0sleep20-21swapper/222:25:172
18542420,0sleep20-21swapper/200:33:212
94272390,0sleep00-21swapper/023:06:080
19982298,7sleep10-21swapper/119:07:241
19982298,7sleep10-21swapper/119:07:231
3276722614,7sleep00-21swapper/019:05:060
3276722614,7sleep00-21swapper/019:05:050
18462265,7sleep30-21swapper/319:05:283
18462265,7sleep30-21swapper/319:05:283
189422210,7sleep20-21swapper/219:06:042
189422210,7sleep20-21swapper/219:06:032
294282170,0sleep10-21swapper/100:32:561
176032170,1sleep317586-21sshd00:26:253
75012160,0sleep20-21swapper/221:24:412
154642160,1sleep215463-21bash00:20:452
92822150,1sleep0101ktimersoftd/022:33:160
57422150,0sleep10-21swapper/100:06:131
297132150,0sleep30-21swapper/323:18:533
123472150,0sleep30-21swapper/322:12:523
287502140,1sleep2311rcuc/223:15:592
266182140,1sleep1622-13audispd23:40:291
233299140,12cyclictest9772-21runrttasks21:25:043
67282130,0sleep10-21swapper/100:36:301
3992130,0sleep1231rcuc/121:37:011
315472130,1sleep031542-21sshd23:43:450
281072130,0sleep10-21swapper/123:35:141
245752130,0sleep00-21swapper/022:17:380
233299130,11cyclictest17429-21grep00:23:443
232399130,12cyclictest0-21swapper/000:30:540
154122130,0sleep30-21swapper/323:45:093
153682130,0sleep10-21swapper/121:59:241
131982130,0sleep10-21swapper/121:48:471
2332991210,1cyclictest25972-21lspci22:48:233
2332991210,1cyclictest15420-21sshd00:18:033
233299120,1cyclictest30699-21lspci00:02:533
233299120,1cyclictest0-21swapper/321:52:343
233299120,11cyclictest14414-21hddtemp_smartct21:20:133
2331991210,1cyclictest0-21swapper/200:19:112
233199120,1cyclictest31247-21sshd21:36:512
2330991210,1cyclictest25353-21bash22:37:201
2330991210,1cyclictest22414-21sshd22:07:011
2323991210,1cyclictest3448-21lspci23:24:550
232399120,11cyclictest29959-21sshd23:02:240
232399120,11cyclictest15629-21sshd00:07:040
232399120,11cyclictest0-21swapper/021:49:140
118022120,0sleep111691-21sshd22:55:201
233299119,1cyclictest13811-21sshd00:09:433
2332991110,0cyclictest0-21swapper/322:02:143
2332991110,0cyclictest0-21swapper/321:14:343
2332991110,0cyclictest0-21swapper/321:14:333
233299110,10cyclictest0-21swapper/322:56:443
233299110,10cyclictest0-21swapper/321:17:233
233299110,10cyclictest0-21swapper/300:36:343
233299110,0cyclictest0-21swapper/322:38:533
233299110,0cyclictest0-21swapper/321:38:243
2331991110,0cyclictest0-21swapper/223:00:512
233199110,10cyclictest0-21swapper/223:28:412
233199110,10cyclictest0-21swapper/223:12:312
233199110,10cyclictest0-21swapper/222:17:422
233199110,10cyclictest0-21swapper/222:00:412
233199110,10cyclictest0-21swapper/221:31:412
233199110,0cyclictest0-21swapper/222:48:212
233199110,0cyclictest0-21swapper/221:28:222
233099119,1cyclictest4684-21sshd22:24:401
233099119,1cyclictest13805-21sshd23:06:311
233099110,10cyclictest0-21swapper/121:21:401
233099110,10cyclictest0-21swapper/120:25:001
232399119,1cyclictest9975-21lspci00:39:350
232399119,1cyclictest0-21swapper/021:36:340
232399110,10cyclictest0-21swapper/022:36:140
232399110,10cyclictest0-21swapper/000:00:150
232399110,0cyclictest0-21swapper/022:52:340
232399110,0cyclictest0-21swapper/000:25:150
233299109,0cyclictest0-21swapper/321:57:233
233299108,1cyclictest0-21swapper/321:41:233
233299100,0cyclictest0-21swapper/323:27:333
233299100,0cyclictest0-21swapper/322:52:343
233299100,0cyclictest0-21swapper/322:05:333
233299100,0cyclictest0-21swapper/320:50:143
233199109,0cyclictest0-21swapper/223:09:322
233199109,0cyclictest0-21swapper/222:33:322
233199109,0cyclictest0-21swapper/221:55:512
233199108,1cyclictest9637-21lspci23:47:222
233199108,1cyclictest0-21swapper/223:35:112
233199100,0cyclictest0-21swapper/200:37:422
233099109,0cyclictest0-21swapper/122:40:011
233099109,0cyclictest0-21swapper/121:11:401
233099109,0cyclictest0-21swapper/121:11:401
233099109,0cyclictest0-21swapper/100:20:401
233099100,0cyclictest0-21swapper/123:15:301
233099100,0cyclictest0-21swapper/122:12:101
233099100,0cyclictest0-21swapper/121:33:111
233099100,0cyclictest0-21swapper/120:36:401
233099100,0cyclictest0-21swapper/119:35:011
233099100,0cyclictest0-21swapper/119:13:411
232399109,0cyclictest0-21swapper/023:34:040
232399109,0cyclictest0-21swapper/022:48:250
232399109,0cyclictest0-21swapper/021:44:250
232399108,1cyclictest9-21ksoftirqd/022:25:340
232399100,0cyclictest0-21swapper/023:46:150
232399100,0cyclictest0-21swapper/022:41:340
232399100,0cyclictest0-21swapper/022:14:040
232399100,0cyclictest0-21swapper/021:21:440
232399100,0cyclictest0-21swapper/021:11:450
232399100,0cyclictest0-21swapper/021:11:440
23329998,0cyclictest0-21swapper/323:24:543
23329998,0cyclictest0-21swapper/321:49:133
23329998,0cyclictest0-21swapper/321:33:133
23329997,1cyclictest8952-21id22:44:143
23329997,1cyclictest11832-21sshd23:53:033
23329997,1cyclictest0-21swapper/322:33:333
23319998,0cyclictest0-21swapper/221:52:322
23319997,1cyclictest9166-21grepconf.sh22:55:122
23309998,0cyclictest0-21swapper/123:51:301
23309998,0cyclictest0-21swapper/122:26:301
23309998,0cyclictest0-21swapper/119:34:401
23309997,1cyclictest6333-21bash22:19:111
23309997,1cyclictest0-21swapper/123:20:011
23239998,0cyclictest0-21swapper/023:54:340
23239998,0cyclictest0-21swapper/021:58:550
23239998,0cyclictest0-21swapper/021:17:050
23239997,1cyclictest9-21ksoftirqd/023:16:450
30599280,1sleep20-21swapper/221:11:472
30599280,1sleep20-21swapper/221:11:472
23329987,0cyclictest0-21swapper/323:42:043
23329987,0cyclictest0-21swapper/321:05:243
23329986,1cyclictest32453-21systemd-cgroups22:15:043
23329985,2cyclictest660-21avahi-daemon22:24:293
23329985,2cyclictest660-21avahi-daemon00:12:403
23329984,3cyclictest674-21dbus-daemon23:05:333
23319986,1cyclictest30954-21lspci23:40:522
23319986,1cyclictest29113-21sshd23:32:322
23319986,1cyclictest23438-21lspci22:07:082
23319985,2cyclictest674-21dbus-daemon21:49:462
23319985,2cyclictest660-21avahi-daemon23:58:502
23319985,2cyclictest660-21avahi-daemon22:35:032
23319984,3cyclictest642-21systemd-logind22:22:522
23309987,0cyclictest0-21swapper/121:50:411
23309987,0cyclictest0-21swapper/120:53:401
23309987,0cyclictest0-21swapper/100:01:211
23309986,1cyclictest28468-21lspci21:17:011
23309986,1cyclictest11766-21lspci00:15:011
23309985,2cyclictest660-21avahi-daemon22:45:421
23309985,2cyclictest660-21avahi-daemon22:00:501
23309985,2cyclictest660-21avahi-daemon00:11:181
23309984,3cyclictest660-21avahi-daemon21:28:031
23309984,3cyclictest649-21polkitd22:50:081
23309983,2cyclictest8431-21sshd22:30:221
23309983,1cyclictest674-21dbus-daemon23:32:351
23239987,0cyclictest0-21swapper/021:54:040
23239986,1cyclictest10046-21lspci22:55:150
23239985,2cyclictest674-21dbus-daemon22:02:550
15024280,0sleep10-21swapper/123:28:361
23329976,0cyclictest0-21swapper/320:25:143
23329974,2cyclictest674-21dbus-daemon23:00:073
23319975,1cyclictest624-13audispd22:10:372
23319975,1cyclictest26410-21sshd22:53:552
23239975,1cyclictest660-21avahi-daemon22:06:020
23239975,1cyclictest660-21avahi-daemon21:31:500
23239975,1cyclictest660-21avahi-daemon21:29:430
23239975,1cyclictest14800-21sshd22:20:020
23329965,0cyclictest0-21swapper/320:34:433
23329964,1cyclictest698-21gdbus19:14:563
23329963,2cyclictest1002-21snmpd20:23:363
23329963,2cyclictest1002-21snmpd19:47:003
23329963,2cyclictest1002-21snmpd19:42:053
23329960,5cyclictest1-21systemd21:00:003
23329960,5cyclictest0-21swapper/319:35:243
23319964,1cyclictest15993-21cat21:00:132
23319963,2cyclictest649-21polkitd19:29:562
23319963,2cyclictest1002-21snmpd20:47:282
23319963,2cyclictest1002-21snmpd20:32:402
23319960,5cyclictest0-21swapper/219:32:412
23309965,0cyclictest0-21swapper/121:05:211
23309965,0cyclictest0-21swapper/120:56:311
23309965,0cyclictest0-21swapper/120:42:411
23309965,0cyclictest0-21swapper/120:30:411
23309965,0cyclictest0-21swapper/119:19:511
23309960,5cyclictest0-21swapper/120:48:201
23239964,1cyclictest674-21dbus-daemon21:05:000
23239963,2cyclictest1002-21snmpd20:33:430
23239963,2cyclictest1002-21snmpd19:44:120
23239963,2cyclictest1002-21snmpd19:11:400
23329953,1cyclictest5850-21irqstats20:35:143
23329953,1cyclictest30018-21cat20:15:143
23329953,1cyclictest29979-21gdbus20:40:013
23329953,1cyclictest1002-21snmpd21:04:523
23329953,1cyclictest1002-21snmpd20:46:163
23329953,1cyclictest1002-21snmpd20:07:543
23329953,1cyclictest1002-21snmpd20:00:193
23329953,1cyclictest1002-21snmpd19:56:453
23329953,1cyclictest1002-21snmpd19:30:023
23329953,1cyclictest1002-21snmpd19:27:453
23329953,1cyclictest1002-21snmpd19:22:003
23329953,1cyclictest1002-21snmpd19:19:323
23329950,4cyclictest20102-21grep19:50:163
23319953,1cyclictest649-21polkitd19:20:002
23319953,1cyclictest3832-21grep19:10:182
23319953,1cyclictest28027-21kernelversion20:10:132
23319953,1cyclictest19836-21cat19:50:142
23319953,1cyclictest18037-21cat21:05:142
23319953,1cyclictest13721-21cat19:35:132
23319953,1cyclictest1002-21snmpd20:55:052
23319953,1cyclictest1002-21snmpd20:50:082
23319953,1cyclictest1002-21snmpd20:36:582
23319953,1cyclictest1002-21snmpd20:15:012
23319953,1cyclictest1002-21snmpd20:05:312
23319953,1cyclictest1002-21snmpd20:00:252
23319953,1cyclictest1002-21snmpd19:45:442
23319953,1cyclictest1002-21snmpd19:40:502
23319953,1cyclictest1002-21snmpd19:15:142
23319952,2cyclictest1002-21snmpd20:41:292
23319952,2cyclictest1002-21snmpd20:25:132
23319952,2cyclictest1002-21snmpd19:55:542
23319950,4cyclictest0-21swapper/220:21:212
23309953,1cyclictest7619-21cat19:20:121
23309953,1cyclictest31561-21/usr/sbin/munin20:20:121
23309953,1cyclictest20207-21grep19:50:161
23309953,1cyclictest1002-21snmpd21:03:311
23309953,1cyclictest1002-21snmpd20:17:161
23309953,1cyclictest1002-21snmpd20:06:341
23309953,1cyclictest1002-21snmpd19:57:061
23309953,1cyclictest1002-21snmpd19:48:111
23309953,1cyclictest1002-21snmpd19:40:151
23309952,2cyclictest674-21dbus-daemon20:00:591
23309952,2cyclictest29062-21chrt20:12:201
23309952,2cyclictest1-21systemd19:30:011
23239953,1cyclictest9880-21cat20:45:130
23239953,1cyclictest8402-21grep19:20:180
23239953,1cyclictest642-21systemd-logind20:05:000
23239953,1cyclictest20485-21threads19:50:190
23239953,1cyclictest12811-21grep20:50:200
23239953,1cyclictest11655-21cat19:30:120
23239953,1cyclictest1002-21snmpd21:05:020
23239953,1cyclictest1002-21snmpd20:42:290
23239953,1cyclictest1002-21snmpd20:35:570
23239953,1cyclictest1002-21snmpd20:24:130
23239953,1cyclictest1002-21snmpd20:16:040
23239953,1cyclictest1002-21snmpd20:13:270
23239953,1cyclictest1002-21snmpd20:01:510
23239953,1cyclictest1002-21snmpd19:56:240
23239953,1cyclictest1002-21snmpd19:15:120
23239952,2cyclictest1002-21snmpd19:45:110
23239952,2cyclictest1002-21snmpd19:38:200
23239950,4cyclictest0-21swapper/019:26:150
23329942,1cyclictest27718-21expr20:10:113
23239942,1cyclictest649-21polkitd20:25:000
23239942,1cyclictest14913-21taskset20:55:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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