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2025-12-03 - 19:49
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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 Wed Dec 03, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79836299482,8cyclictest0-21swapper/009:54:260
79836299422,24cyclictest58-21kcompactd010:18:160
79836299393,33cyclictest0-21swapper/009:47:030
79836299365,16cyclictest0-21swapper/012:23:110
798364993527,5cyclictest0-21swapper/207:16:072
79836299358,26cyclictest0-21swapper/012:36:090
798362993522,3cyclictest0-21swapper/010:13:130
79836299350,34cyclictest0-21swapper/012:32:460
798364993422,8cyclictest111788-21systemd-journal12:13:132
79836299331,25cyclictest0-21swapper/010:28:030
79836299321,17cyclictest921607-21/usr/sbin/munin11:03:080
798362993120,1cyclictest0-21swapper/007:48:100
79836299310,21cyclictest0-21swapper/011:57:550
79836399304,6cyclictest11050irq/107-eth%d10:35:201
79836299303,3cyclictest987116-21/usr/sbin/munin12:28:210
798362993024,4cyclictest0-21swapper/011:11:510
79836299301,27cyclictest911896-21apt10:51:080
798364992919,6cyclictest0-21swapper/209:51:082
798363992911,2cyclictest0-21swapper/110:28:031
79836299286,21cyclictest0-21swapper/010:21:150
79836299283,8cyclictest978979-21/usr/sbin/munin12:18:060
79836299283,25cyclictest0-21swapper/010:32:170
79836299283,18cyclictest0-21swapper/010:03:070
79836299274,19cyclictest111788-21systemd-journal11:07:410
798364992612,5cyclictest11050irq/107-eth%d09:56:092
79836399262,4cyclictest11050irq/107-eth%d10:23:101
79836299265,6cyclictest171rcu_preempt09:26:130
79836299263,20cyclictest0-21swapper/010:41:080
79836299263,15cyclictest967991-21ssh12:03:080
79836299261,7cyclictest904304-21ssh10:41:540
798362992615,1cyclictest0-21swapper/009:10:410
79836299260,17cyclictest0-21swapper/011:23:050
79836499252,9cyclictest11050irq/107-eth%d11:10:502
798364992516,7cyclictest111788-21systemd-journal09:07:302
79836499250,6cyclictest11050irq/107-eth%d09:41:112
79836499246,13cyclictest122792-21ntpd12:26:142
798364992417,4cyclictest826879-21fschecks_count08:43:042
79836299249,12cyclictest111788-21systemd-journal11:48:110
79836299242,18cyclictest0-21swapper/010:58:020
79836299242,17cyclictest955483-21munin-run11:46:080
798362992411,2cyclictest69-21kswapd009:41:100
79836299240,2cyclictest0-21swapper/009:31:110
79836499234,18cyclictest834941-21sendmail-msp09:14:232
79836499233,11cyclictest968002-21ntpq12:03:082
79836499231,7cyclictest960088-21aten_r2power_en11:53:022
798364992316,5cyclictest923778-21sendmail-msp11:12:562
798364992312,8cyclictest891987-21sendmail-msp10:32:172
79836299232,16cyclictest846086-21cut09:26:080
79836499228,11cyclictest1006-21mta-sts-daemon12:23:092
79836499221,8cyclictest0-21swapper/209:23:112
79836399222,5cyclictest11050irq/107-eth%d11:11:511
798363992220,1cyclictest261rcuc/112:12:501
798363992217,4cyclictest818619-21cut08:18:041
79836299226,11cyclictest1007-21mta-sts-daemon07:58:460
79836299224,13cyclictest913089-21/usr/sbin/munin10:53:140
79836299222,19cyclictest0-21swapper/008:33:200
79836499211,16cyclictest890041-21ntp_states10:23:102
79836299212,2cyclictest0-21swapper/009:56:090
79836299211,16cyclictest0-21swapper/008:03:110
79836499206,9cyclictest907792-21sendmail-msp10:46:092
79836499204,11cyclictest111788-21systemd-journal08:08:112
79836499202,15cyclictest886253-21ntp_states10:18:162
798364992017,2cyclictest866391-21fschecks_count09:53:052
798364992011,6cyclictest830181-21fschecks_count08:53:062
79836399209,3cyclictest985576-21sendmail-msp12:26:121
79836399204,11cyclictest619-21mta-sts-daemon12:41:311
79836399203,15cyclictest983561-21ntpq12:23:091
798363992014,4cyclictest973625-21ssh12:11:071
798363992014,4cyclictest973625-21ssh12:11:071
798363992013,4cyclictest0-21swapper/107:53:071
79836399201,14cyclictest111788-21systemd-journal11:08:121
79836299202,16cyclictest948651-21/usr/sbin/munin11:38:100
798362992016,2cyclictest858134-21latency_hist09:41:080
79836499193,12cyclictest814824-21sendmail-msp08:13:442
79836399198,8cyclictest867053-21ntp_states09:53:121
79836399194,2cyclictest171rcu_preempt11:53:021
79836399192,14cyclictest762-21in:imuxsock09:06:241
79836399191,9cyclictest0-21swapper/110:13:171
79836299195,9cyclictest633-21gpm09:15:290
798362991915,3cyclictest825235-21cut08:38:040
798362991911,4cyclictest0-21swapper/008:48:100
112699190,0rtkit-daemon0-21swapper/207:37:102
112699190,0rtkit-daemon0-21swapper/108:36:451
79836499189,5cyclictest111788-21systemd-journal10:26:152
79836499184,5cyclictest11050irq/107-eth%d11:03:092
79836499183,11cyclictest939552-21munin-plugin-st11:26:082
798364991815,3cyclictest901738-21ntp_kernel_pll_10:38:102
798364991813,3cyclictest259-21jbd2/mmcblk0p2-809:33:032
798364991810,6cyclictest807092-21fschecks_count07:43:222
79836399182,1cyclictest171rcu_preempt12:34:171
79836299183,12cyclictest259-21jbd2/mmcblk0p2-812:16:090
798362991815,2cyclictest816409-21unixbench_singl08:08:160
79836299180,17cyclictest939590-21sendmail-msp11:26:450
79836499172,12cyclictest809372-21ntpq07:48:122
79836499172,11cyclictest913180-21ssh10:53:032
79836399174,5cyclictest0-21swapper/108:33:021
79836399173,13cyclictest271ktimers/109:26:451
79836399172,2cyclictest851870-21fschecks_count09:33:061
79836399172,13cyclictest901414-21/usr/sbin/munin10:38:071
79836299174,12cyclictest0-21swapper/011:53:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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