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2026-06-16 - 21:42
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Tue Jun 16, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55462271241,19sleep20-21swapper/207:08:082
54932268237,21sleep10-21swapper/107:07:271
56442262230,21sleep00-21swapper/007:09:060
54792262231,20sleep30-21swapper/307:07:183
294122180,0sleep20-21swapper/208:00:132
320182160,0sleep00-21swapper/010:50:180
38172140,0sleep30-21swapper/312:11:163
184572130,0sleep10-21swapper/108:45:201
2813290,0chrt0-21swapper/311:31:213
58349984,3cyclictest658-21snmpd11:10:383
58299986,1cyclictest32370-21ssh10:30:462
58299980,7cyclictest3126-21ssh12:10:442
58229985,2cyclictest12-21ksoftirqd/009:50:010
26061280,0sleep30-21swapper/312:25:153
8900270,0sleep00-21swapper/007:15:100
6452270,0sleep00-21swapper/011:14:390
58349974,2cyclictest8964-21sshd12:34:423
58349974,2cyclictest275-21systemd-journal12:19:293
58349974,2cyclictest17912-21ntpq08:45:173
58349973,3cyclictest674-21lldpd08:53:493
58349973,3cyclictest658-21snmpd11:26:003
58349973,3cyclictest5562-21grep08:20:013
58349973,1cyclictest0-21swapper/311:51:373
58349973,1cyclictest0-21swapper/309:24:363
58349972,3cyclictest304-21systemd-udevd11:49:353
58349972,3cyclictest304-21systemd-udevd11:35:363
58349972,3cyclictest275-21systemd-journal10:58:303
58349970,6cyclictest19868-21plymouth07:40:013
58299973,1cyclictest0-21swapper/210:08:142
58299972,3cyclictest275-21systemd-journal12:24:412
58299970,7cyclictest16127-21ssh09:21:572
58269976,1cyclictest3411-21ssh11:12:211
58269973,3cyclictest658-21snmpd11:00:031
58269972,2cyclictest501-21in:imuxsock11:20:001
58229974,2cyclictest29283-21df_inode09:50:130
58229973,3cyclictest658-21snmpd12:01:480
58229973,3cyclictest658-21snmpd07:40:440
58229973,1cyclictest0-21swapper/011:38:390
58229973,1cyclictest0-21swapper/010:21:110
58229971,5cyclictest13982-21sed09:20:210
58229970,4cyclictest1107-21turbostat08:10:020
28256270,0sleep10-21swapper/111:46:521
22941270,0sleep10-21swapper/110:45:131
58349966,0cyclictest0-21swapper/311:00:153
58349964,1cyclictest17519-21cron07:35:003
58349964,1cyclictest15334-21hddtemp_smartct08:40:153
58349963,2cyclictest658-21snmpd12:04:243
58349963,2cyclictest5832-21expr10:15:113
58349963,2cyclictest5832-21expr10:15:113
58349963,2cyclictest32471-21grep10:50:203
58349963,2cyclictest275-21systemd-journal07:48:443
58349963,2cyclictest14914-21chrt07:25:263
58349963,2cyclictest11864-21seq08:30:383
58349963,2cyclictest10635-21sh09:38:583
58349962,3cyclictest658-21snmpd11:55:023
58349962,3cyclictest658-21snmpd11:15:233
58349962,3cyclictest658-21snmpd10:45:193
58349962,3cyclictest658-21snmpd10:39:083
58349962,3cyclictest658-21snmpd10:30:293
58349962,3cyclictest658-21snmpd10:20:473
58349962,3cyclictest658-21snmpd10:00:213
58349962,3cyclictest658-21snmpd09:40:153
58349962,3cyclictest658-21snmpd09:15:103
58349962,3cyclictest658-21snmpd08:29:213
58349962,3cyclictest658-21snmpd08:13:413
58349962,3cyclictest658-21snmpd08:05:443
58349962,3cyclictest658-21snmpd08:00:233
58349962,3cyclictest658-21snmpd07:20:313
58349962,3cyclictest28899-21apt-get09:50:123
58349962,3cyclictest28373-21cat09:10:113
58349962,3cyclictest26988-21expr07:55:133
58349962,3cyclictest21968-21grep10:25:133
58349962,3cyclictest16421-21cat11:20:173
58349962,3cyclictest0-21swapper/311:05:203
58349962,1cyclictest0-21swapper/311:40:553
58349961,4cyclictest0-21swapper/310:40:183
58349960,5cyclictest6876-21ssh09:55:413
58349960,5cyclictest10427-21tail12:35:143
58349960,3cyclictest28857-21/usr/sbin/munin09:30:113
58349960,0cyclictest0-21swapper/312:21:563
58349960,0cyclictest0-21swapper/312:07:293
58349960,0cyclictest0-21swapper/310:11:403
58299966,0cyclictest0-21swapper/212:31:032
58299966,0cyclictest0-21swapper/211:11:412
58299964,1cyclictest501-21in:imuxsock09:00:202
58299963,2cyclictest674-21lldpd11:23:092
58299963,2cyclictest658-21snmpd08:50:212
58299963,2cyclictest28604-21/usr/sbin/munin09:30:182
58299963,2cyclictest275-21systemd-journal09:09:002
58299963,2cyclictest275-21systemd-journal08:47:452
58299963,2cyclictest275-21systemd-journal08:19:442
58299963,2cyclictest25247-21cat07:50:152
58299963,2cyclictest2171-21ssh10:51:442
58299963,2cyclictest10534-21ssh11:16:252
58299963,1cyclictest0-21swapper/212:00:262
58299962,3cyclictest658-21snmpd12:27:182
58299962,3cyclictest658-21snmpd11:53:322
58299962,3cyclictest658-21snmpd11:45:172
58299962,3cyclictest658-21snmpd11:40:112
58299962,3cyclictest658-21snmpd10:59:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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