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2025-12-16 - 10:22
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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 Mon Dec 15, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13429221122,49sleep00-21swapper/007:09:310
135529917237,111cyclictest29204-21seq12:17:040
135529916743,108cyclictest3650irq/20-4900000009:16:130
135529916728,117cyclictest30318-21wget08:16:310
135529916641,108cyclictest10250irq/56-4a10000009:41:300
135529916431,114cyclictest1295-21snmpd08:56:520
13552991637,14cyclictest16124-21if_err_eth011:31:450
135529916223,119cyclictest18923-21df_inode07:31:360
135529916030,119cyclictest25250-21apt-get07:56:170
13552991587,110cyclictest4577-21node10:37:040
135529915834,106cyclictest10250irq/56-4a10000007:37:030
135529915826,96cyclictest1295-21snmpd08:26:400
135529915819,119cyclictest12241-21wget11:16:300
13552991578,127cyclictest7789-21/usr/sbin/munin08:55:020
13552991578,127cyclictest24886-21ps12:01:520
13552991577,18cyclictest12391-21chrt09:11:430
13552991567,128cyclictest1295-21snmpd08:21:380
135529915635,106cyclictest803-21connmand07:20:010
13552991558,15cyclictest22552-21apt-get11:56:160
13552991557,127cyclictest813-21rs:main0
13552991555,14cyclictest1368-21nginx10:52:440
135529915520,116cyclictest5693-21wget08:46:330
13552991549,125cyclictest2071-21cron12:40:020
13552991548,103cyclictest19090-21chrt09:36:150
135529915422,117cyclictest9074-21https11:05:060
13552991538,19cyclictest811-21in:imuxsock07:22:160
13552991536,18cyclictest28975-21/usr/sbin/munin08:11:560
135529915335,103cyclictest10250irq/56-4a10000009:02:200
135529915324,108cyclictest1295-21snmpd12:22:210
13552991527,21cyclictest754-21systemd-journal09:54:010
135529915226,111cyclictest1295-21snmpd09:22:020
135529915219,114cyclictest24623-21http07:55:040
13552991519,23cyclictest27426-21wget12:11:320
13552991516,13cyclictest20931-21apt-get11:51:140
135529915147,93cyclictest28028-21if_eth008:06:460
135529915142,95cyclictest8950irq/40-mmc111:46:150
135529915135,103cyclictest1017-21ntpq10:31:530
135529915134,95cyclictest24420-21/usr/sbin/munin09:56:520
135529915131,104cyclictest10250irq/56-4a10000010:17:380
135529915119,113cyclictest1295-21snmpd09:32:050
135529915113,118cyclictest803-21connmand10:07:110
13552991508,16cyclictest31275-21df_inode12:26:330
135529915022,111cyclictest18062-21latency_hist11:40:040
135529915019,112cyclictest11026-21/usr/sbin/munin09:06:560
135529915018,113cyclictest18457-21latency_hist07:30:030
13552991498,20cyclictest18469-21/usr/sbin/munin11:41:330
13552991497,16cyclictest813-21rs:main0
13552991497,14cyclictest3705-21users08:37:010
13552991496,17cyclictest9036-21apt-get11:06:140
135529914921,111cyclictest1368-21nginx09:27:360
135529914828,101cyclictest724-21jbd2/mmcblk1p1-10:00:310
135529914812,122cyclictest13654-21fw_conntrack11:21:430
13552991479,117cyclictest754-21systemd-journal12:32:160
13552991477,15cyclictest28857-21chrt10:12:580
13552991477,124cyclictest1295-21snmpd08:31:300
135529914738,98cyclictest802-21dbus-daemon11:15:010
135529914725,92cyclictest724-21jbd2/mmcblk1p1-07:41:160
13552991468,19cyclictest4576-21diskstats10:46:390
13552991458,117cyclictest14940-21runrttasks11:26:460
135529914534,99cyclictest803-21connmand10:26:310
13552991449,117cyclictest754-21systemd-journal08:44:160
135529914430,104cyclictest14165-21ntpq07:11:520
135529914411,12cyclictest10250irq/56-4a10000009:47:370
13552991437,18cyclictest7416-21chrt10:57:020
13552991436,16cyclictest31110-21ps10:21:550
13552991428,120cyclictest26609-21wget08:01:310
135529914230,101cyclictest22153-21cron07:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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