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2025-12-01 - 11:53
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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 100 highest latencies:
System rack2slot7.osadl.org (updated Mon Dec 01, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166247299701,40cyclictest0-21swapper/022:18:040
1662472995832,10cyclictest1863278-21ssh00:06:080
1662472994424,6cyclictest1703038-21diskmemload23:47:480
1662472994140,1cyclictest0-21swapper/020:38:100
1662472994125,5cyclictest0-21swapper/021:18:100
166247299363,8cyclictest0-21swapper/023:08:010
1662472993629,3cyclictest0-21swapper/000:15:250
166247499352,8cyclictest1799621-21ntpq22:58:082
166247299353,21cyclictest0-21swapper/023:53:130
166247299342,29cyclictest1873168-21ntpq00:18:060
166247299341,20cyclictest0-21swapper/021:48:150
166247499336,8cyclictest1761548-21ssh22:18:042
166247299333,23cyclictest0-21swapper/022:38:060
166247299322,29cyclictest605-21avahi-daemon23:28:150
166247399316,5cyclictest1880674-21sendmail-msp00:26:081
166247399316,5cyclictest1880674-21sendmail-msp00:26:081
166247299313,3cyclictest1686923-21ntpq20:28:120
1662473993013,2cyclictest0-21swapper/100:03:111
166247299303,25cyclictest1880674-21sendmail-msp00:32:030
166247299296,6cyclictest0-21swapper/023:18:090
1662472992914,3cyclictest0-21swapper/021:31:570
1662472992912,5cyclictest0-21swapper/023:58:100
166247499287,14cyclictest111788-21systemd-journal20:26:102
166247399287,8cyclictest1743202-21ssh21:58:101
166247399283,21cyclictest11050irq/107-eth%d22:18:041
166247399282,6cyclictest171rcu_preempt19:33:101
166247299287,18cyclictest1662452-21unin-run19:16:060
1662472992815,3cyclictest1731679-21wc21:46:060
166247299280,20cyclictest0-21swapper/022:43:150
1662473992722,3cyclictest0-21swapper/100:08:551
1662472992715,2cyclictest1708378-21ssh21:21:070
166247299271,26cyclictest0-21swapper/022:33:160
166247299270,20cyclictest1715837-21grep21:28:160
166247499264,16cyclictest992-21lldpd22:43:062
166247499263,20cyclictest1889137-21unin-run00:36:062
166247399265,4cyclictest11050irq/107-eth%d23:27:481
166247399265,16cyclictest111788-21systemd-journal00:15:571
166247399263,17cyclictest1685534-21sendmail-msp20:26:101
1662472992614,3cyclictest0-21swapper/021:58:120
166247299260,3cyclictest1894770-21fschecks_count00:43:060
166247299260,2cyclictest1770863-21/usr/sbin/munin22:28:170
166247299260,2cyclictest1770863-21/usr/sbin/munin22:28:170
1662474992518,5cyclictest1788164-21sendmail-msp22:48:142
166247399255,15cyclictest619-21mta-sts-daemon00:32:031
166247399254,17cyclictest1895424-21ntp_states00:43:121
166247399252,19cyclictest1873170-21ssh00:18:061
166247299252,21cyclictest1862708-21unin-run00:06:050
166247299252,14cyclictest11050irq/107-eth%d00:21:090
166247299251,23cyclictest1822327-21tune2fs23:23:040
166247499246,2cyclictest11050irq/107-eth%d23:33:082
1662474992417,6cyclictest0-21swapper/222:27:032
1662474992417,6cyclictest0-21swapper/222:27:032
166247399245,17cyclictest2243333-21munin-node23:47:481
166247399240,7cyclictest171rcu_preempt22:29:491
166247399240,7cyclictest171rcu_preempt22:29:491
166247299243,14cyclictest1678936-21sendmail-msp20:08:430
1662472992418,1cyclictest0-21swapper/022:58:110
112699240,2rtkit-daemon1006-21mta-sts-daemon23:57:202
166247499235,10cyclictest1818307-21ntpq23:18:102
166247399232,2cyclictest171rcu_preempt20:47:031
1662473992316,6cyclictest0-21swapper/121:28:111
166247299232,16cyclictest111788-21systemd-journal23:15:540
1662472992311,4cyclictest1788164-21sendmail-msp22:48:140
166247299230,22cyclictest0-21swapper/023:43:070
166247499227,14cyclictest1006-21mta-sts-daemon00:10:172
166247499223,14cyclictest1756824-21/usr/sbin/munin22:13:062
1662474992211,6cyclictest1005-21mta-sts-daemon20:41:082
1662473992214,4cyclictest0-21swapper/123:08:131
166247299225,14cyclictest1788164-21sendmail-msp22:53:100
166247299221,10cyclictest0-21swapper/019:23:040
166247299220,6cyclictest1739070-21cat21:53:160
166247499216,11cyclictest967-21snmpd20:18:422
166247499214,12cyclictest1788164-21sendmail-msp22:54:412
166247499213,12cyclictest111788-21systemd-journal23:26:392
1662474992117,3cyclictest1894848-21fschecks_time00:43:062
166247399213,15cyclictest122792-21ntpd22:58:081
166247399212,6cyclictest0-21swapper/121:23:081
166247399212,4cyclictest171rcu_preempt22:43:101
166247299214,11cyclictest1750279-21sendmail-msp22:13:100
1662472992118,2cyclictest0-21swapper/022:26:020
1662472992113,5cyclictest1685879-21latency_hist20:26:060
166247299211,19cyclictest1803833-21fschecks_time23:03:050
166247299211,16cyclictest11050irq/107-eth%d21:38:030
166247399200,6cyclictest11050irq/107-eth%d22:14:081
166247299202,13cyclictest1880919-21ssh00:26:080
166247299202,13cyclictest1880919-21ssh00:26:080
166247299200,19cyclictest0-21swapper/023:38:110
166247499195,9cyclictest1805223-21ssh23:03:432
166247499194,10cyclictest607-21dbus-daemon00:21:062
166247499192,14cyclictest1738563-21ntpq21:53:102
1662474991914,2cyclictest0-21swapper/222:09:392
166247499191,2cyclictest0-21swapper/200:15:252
166247499191,15cyclictest967-21snmpd21:21:072
166247399196,11cyclictest1007-21mta-sts-daemon23:03:431
166247399193,5cyclictest171rcu_preempt19:53:141
166247399193,4cyclictest11050irq/107-eth%d22:34:541
166247399193,11cyclictest1676239-21fschecks_time19:58:031
166247399192,6cyclictest171rcu_preempt22:36:061
166247399192,12cyclictest11050irq/107-eth%d20:36:081
166247399192,10cyclictest1876221-21ssh00:21:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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