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2025-09-18 - 15:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Sep 18, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18318221328,52sleep00-21swapper/019:05:340
189149917343,15cyclictest10250irq/56-4a10000022:43:570
18914991608,37cyclictest11120-21fw_conntrack20:45:240
189149916037,30cyclictest3650irq/20-4900000000:09:440
189149915931,31cyclictest760-21systemd-journal00:38:030
189149915752,26cyclictest101ktimersoftd/000:01:550
189149915738,29cyclictest3650irq/20-4900000000:22:170
189149915262,11cyclictest101ktimersoftd/023:21:470
189149914434,16cyclictest14200-21runrttasks20:57:330
189149913961,10cyclictest101ktimersoftd/021:00:140
1782121096,14sleep01356-21snmpd23:17:110
2603621085,13sleep026072-21awk23:50:350
32195210610,81sleep032209-21apt-config20:00:240
2791421057,86sleep026747-21apt-get19:41:340
2314421045,12sleep023183-21aten_r7power_en19:25:130
111721047,11sleep01119-21fw_conntrack20:05:270
189149910343,43cyclictest10250irq/56-4a10000022:17:360
1581221015,10sleep015808-21ntp_states23:10:430
124492995,81sleep012471-21netstat20:50:350
18914999737,25cyclictest10250irq/56-4a10000019:17:090
47842965,79sleep04785-21sshd00:34:060
286562935,10sleep028657-21memory21:55:350
18914999251,28cyclictest101ktimersoftd/000:27:010
18914999146,29cyclictest8950irq/40-mmc100:00:030
18914999137,35cyclictest22637-21runrttasks19:21:490
56302905,71sleep05633-21df_inode22:30:220
312922905,73sleep0800-21avahi-daemon00:11:000
18914999038,37cyclictest3650irq/20-4900000022:02:160
18914999037,34cyclictest24617-21chrt21:40:100
18914998938,41cyclictest10250irq/56-4a10000023:01:400
18914998918,19cyclictest1356-21snmpd21:52:540
18914998735,17cyclictest14628-21ps23:05:440
18914998643,29cyclictest3650irq/20-4900000021:35:250
18914998638,15cyclictest10250irq/56-4a10000022:48:010
18914998623,29cyclictest774-21gpgv00:20:070
18914998564,12cyclictest101ktimersoftd/022:10:450
18914998547,25cyclictest101ktimersoftd/020:29:470
18914998540,30cyclictest10250irq/56-4a10000021:17:370
18914998539,31cyclictest10250irq/56-4a10000020:12:190
18914998523,28cyclictest792-21haveged22:55:040
18914998451,25cyclictest24934-21sshd23:45:440
1891499838,21cyclictest25920-21irqstats19:35:340
18914998360,13cyclictest101ktimersoftd/020:17:110
18914998348,26cyclictest0-21swapper/019:55:190
18914998347,27cyclictest0-21swapper/020:30:230
18914998336,28cyclictest1336-21runrttasks20:24:590
18914998322,21cyclictest8423-21wget20:35:140
18914998319,54cyclictest0-21swapper/020:42:250
18914998235,32cyclictest101ktimersoftd/022:25:240
18914998160,13cyclictest0-21swapper/019:10:040
18914998148,25cyclictest0-21swapper/023:25:270
18914998144,19cyclictest802-21dbus-daemon22:40:020
18914998133,15cyclictest10250irq/56-4a10000022:08:480
18914998051,18cyclictest25955-21/usr/sbin/munin21:45:160
18914997859,12cyclictest101ktimersoftd/019:45:210
18914997851,18cyclictest24410-21cron23:45:010
18914997848,14cyclictest10150irq/55-4a10000023:30:200
18914997831,30cyclictest20072-21open_inodes21:20:450
18914997739,29cyclictest22633-21sshd21:30:420
18914997733,10cyclictest101ktimersoftd/019:30:200
18914997729,38cyclictest0-21swapper/022:56:180
18914997725,14cyclictest20879-21/usr/sbin/munin21:25:200
18914997631,31cyclictest10250irq/56-4a10000021:12:320
18914997629,15cyclictest800-21avahi-daemon23:35:380
18914997625,16cyclictest1424-21nginx21:07:290
18914997546,14cyclictest10150irq/55-4a10000022:20:220
18914997535,15cyclictest30325-21seq19:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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