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2025-11-29 - 01:37
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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 Fri Nov 28, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269293899511,34cyclictest0-21swapper/010:13:100
269293899504,22cyclictest2692936-21cyclictest07:16:030
269293899481,26cyclictest2825285-21latency_hist11:11:040
269293899413,35cyclictest0-21swapper/009:21:060
269293899404,25cyclictest0-21swapper/012:38:080
2692938994029,9cyclictest764-21rs:main0
269293899392,36cyclictest2868234-21sendmail-msp12:08:130
269293999362,14cyclictest1006-21mta-sts-daemon07:16:041
269293999353,11cyclictest764-21rs:main1
269293899345,16cyclictest0-21swapper/010:18:130
2692938993424,8cyclictest2693486-21systemd07:16:040
2692940993310,6cyclictest11050irq/107-eth%d09:43:092
269293999339,6cyclictest11050irq/107-eth%d10:38:041
269293999333,10cyclictest1-21systemd07:16:031
2692939993316,15cyclictest0-21swapper/109:21:061
2692938993221,10cyclictest2757018-21sendmail-msp09:47:010
269293999314,8cyclictest2769877-21aten_r2power_fr10:03:011
269293999312,10cyclictest2829247-21ssh11:16:061
2692938993022,5cyclictest0-21swapper/010:51:220
269293899292,24cyclictest11650irq/162-mmc011:13:000
2692939992815,1cyclictest0-21swapper/111:48:071
269293899284,3cyclictest0-21swapper/010:28:110
269293899282,21cyclictest2706860-21cpu07:57:590
269293899281,5cyclictest2750234-21/usr/sbin/munin09:38:130
269294099273,16cyclictest11050irq/107-eth%d10:16:072
2692938992724,2cyclictest0-21swapper/011:31:250
2692938992719,5cyclictest0-21swapper/009:18:020
269293899271,25cyclictest0-21swapper/011:53:400
269293899271,11cyclictest274792050ssh09:33:170
269293999267,13cyclictest2781272-21sh10:16:071
269293999266,10cyclictest2743891-21ssh09:28:381
269293899262,23cyclictest2881656-21aten2.4-expect12:23:000
269293899262,23cyclictest0-21swapper/009:53:150
112699260,3rtkit-daemon1125-21rtkit-daemon08:06:200
2692939992514,7cyclictest2868207-21munin-run12:06:041
269293899257,17cyclictest2814924-21gltestperf10:58:020
2692940992419,2cyclictest0-21swapper/207:16:042
269293999242,12cyclictest2805302-21sendmail-msp10:51:261
2692939992421,2cyclictest2730086-21grep09:08:051
269293899242,17cyclictest2900989-21cat12:46:040
269294099237,10cyclictest2869919-21cat12:08:082
2692940992315,5cyclictest762-21in:imuxsock08:33:202
269293999232,14cyclictest619-21mta-sts-daemon09:12:131
269293899234,16cyclictest122792-21ntpd09:13:070
269293899233,19cyclictest0-21swapper/010:48:010
269293899232,15cyclictest633-21gpm10:38:110
269293899231,2cyclictest0-21swapper/012:21:040
269293899231,21cyclictest0-21swapper/007:28:040
112699230,8rtkit-daemon1008-21mta-sts-daemon12:29:142
269293999222,17cyclictest1006-21mta-sts-daemon11:28:061
269293899223,17cyclictest0-21swapper/009:27:590
2692938992212,1cyclictest0-21swapper/008:18:060
2692940992114,5cyclictest2715292-21fschecks_time08:23:042
2692940992110,8cyclictest2769883-21cut10:03:012
2692940992110,7cyclictest2757018-21sendmail-msp09:49:102
269293999218,9cyclictest2872928-21ssh12:11:591
269293999217,9cyclictest2759841-21ssh09:48:381
269293999214,9cyclictest2746466-21/usr/sbin/munin09:33:001
269293999214,12cyclictest2734397-21ssh09:18:051
2692939992111,7cyclictest2789033-21sendmail-msp10:31:071
2692938992115,2cyclictest0-21swapper/011:36:060
269293899210,1cyclictest0-21swapper/012:13:060
269294099207,6cyclictest2893999-21ssh12:38:082
269294099203,3cyclictest111788-21systemd-journal10:50:182
2692940992016,3cyclictest2710274-21grep08:08:022
2692940992016,2cyclictest0-21swapper/211:03:072
2692940992016,2cyclictest0-21swapper/210:31:072
2692939992014,5cyclictest2826233-21ssh11:13:001
269293999201,10cyclictest2894885-21ssh12:38:411
2692939992010,6cyclictest0-21swapper/110:08:131
269293899202,3cyclictest2786069-21/usr/sbin/munin10:23:040
2692938992015,3cyclictest2719559-21grep08:33:210
269293899200,19cyclictest0-21swapper/011:58:060
112699200,4rtkit-daemon1125-21rtkit-daemon12:31:201
269294099193,9cyclictest2862873-21ssh11:58:312
269294099192,10cyclictest11050irq/107-eth%d09:38:102
2692940991915,3cyclictest2724499-21grep08:48:142
2692940991915,2cyclictest2713038-21idleruntime-cro08:16:032
269293999196,9cyclictest1007-21mta-sts-daemon09:41:061
269293899192,8cyclictest2702683-21grep07:43:100
2692938991912,5cyclictest2884407-21sendmail-msp12:33:080
2692938991910,1cyclictest0-21swapper/010:31:060
269294199183,9cyclictest0-21swapper/312:28:083
269294099184,10cyclictest2825282-21latency_hist11:11:042
269294099183,11cyclictest2898659-21ntp_states12:43:082
2692940991813,4cyclictest2854243-21ntp_kernel_pll_11:48:112
269293999185,9cyclictest1005-21mta-sts-daemon09:58:101
269293999182,13cyclictest2858099-21ntpq11:53:081
2692939991813,4cyclictest2704796-21cron07:51:041
2692939991811,6cyclictest1008-21mta-sts-daemon11:33:071
269293999181,12cyclictest2717495-21/usr/sbin/munin08:28:081
269293899184,9cyclictest2709762-21sendmail-msp08:13:140
269293899182,8cyclictest2850005-21fschecks_count11:43:040
2692938991814,1cyclictest2856101-21ssh11:51:040
269293899180,7cyclictest0-21swapper/009:41:060
269293899180,12cyclictest0-21swapper/009:58:090
112699180,0rtkit-daemon0-21swapper/110:48:261
269294199174,10cyclictest0-21swapper/311:11:043
269294199173,9cyclictest0-21swapper/308:28:083
269294199172,8cyclictest0-21swapper/312:38:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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