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2025-12-08 - 19:58
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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 rack2slot7.osadl.org (updated Mon Dec 08, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306846399655,37cyclictest0-21swapper/010:46:390
306846399503,4cyclictest3268945-21ssh12:35:560
3068463994935,1cyclictest0-21swapper/010:38:130
3068463994710,9cyclictest3208764-21ntpq11:23:130
306846399422,25cyclictest0-21swapper/011:53:060
306846399422,25cyclictest0-21swapper/011:53:060
306846399421,30cyclictest3261620-21tune2fs12:28:080
306846399421,30cyclictest3261620-21tune2fs12:28:080
3068463994122,4cyclictest0-21swapper/012:14:260
306846399403,30cyclictest0-21swapper/011:58:150
3068463994022,15cyclictest3195425-21sendmail-msp11:13:030
3068463994017,3cyclictest3162857-21sendmail-msp10:35:580
306846399386,30cyclictest0-21swapper/011:08:130
3068463993830,6cyclictest0-21swapper/009:25:030
306846399365,25cyclictest3184403-21ssh10:52:180
306846399341,20cyclictest0-21swapper/012:38:130
306846399334,25cyclictest0-21swapper/010:29:310
3068463993317,2cyclictest0-21swapper/009:52:050
112699320,3rtkit-daemon1125-21rtkit-daemon09:31:072
306846699317,19cyclictest1006-21mta-sts-daemon09:11:162
306846399314,24cyclictest111788-21systemd-journal09:50:400
3068463993126,4cyclictest1008-21mta-sts-daemon09:18:130
3068464993015,8cyclictest111788-21systemd-journal09:13:131
3068463993029,1cyclictest0-21swapper/008:38:190
3068463993027,3cyclictest0-21swapper/012:10:440
306846399301,28cyclictest0-21swapper/010:08:150
3068466992918,8cyclictest111788-21systemd-journal08:33:522
306846399291,21cyclictest0-21swapper/011:38:180
306846699284,7cyclictest0-21swapper/209:49:372
3068464992719,3cyclictest764-21rs:main1
306846399274,21cyclictest0-21swapper/009:26:140
3068463992718,6cyclictest3210766-21sendmail-msp11:26:170
306846399270,10cyclictest3257778-21ssh12:23:160
3068466992610,4cyclictest0-21swapper/211:23:452
3068463992624,1cyclictest0-21swapper/009:08:140
306846699257,12cyclictest3265956-21aten_r2power_en12:33:062
306846699256,13cyclictest3246228-21ssh12:10:442
3068466992516,5cyclictest111788-21systemd-journal12:12:322
306846499252,6cyclictest171rcu_preempt12:13:041
306846499251,8cyclictest171rcu_preempt12:33:171
306846399251,8cyclictest3160306-21cut10:23:100
3068463992516,1cyclictest0-21swapper/007:43:100
3068466992417,3cyclictest3084914-21sh08:06:122
3068466992417,3cyclictest3084914-21sh08:06:122
306846499246,6cyclictest171rcu_preempt11:46:151
306846499243,17cyclictest111788-21systemd-journal08:32:571
306846399242,4cyclictest3087561-21needreboot08:13:120
3068463992416,5cyclictest0-21swapper/010:11:120
306846399240,2cyclictest3216166-21tune2fs11:33:090
306846699238,11cyclictest619-21mta-sts-daemon10:54:402
306846699231,8cyclictest11050irq/107-eth%d11:47:522
3068466992317,4cyclictest3092071-21fschecks_count08:28:062
3068466992313,7cyclictest3216059-21ssh11:33:082
306846699230,2cyclictest11050irq/107-eth%d10:12:422
306846499239,10cyclictest111788-21systemd-journal11:33:081
306846499232,3cyclictest171rcu_preempt09:48:151
3068463992317,3cyclictest0-21swapper/008:06:120
3068463992317,3cyclictest0-21swapper/008:06:120
3068463992310,2cyclictest0-21swapper/011:18:190
306846399230,3cyclictest1005-21mta-sts-daemon12:44:320
112699230,6rtkit-daemon1007-21mta-sts-daemon07:47:510
306846699225,15cyclictest111788-21systemd-journal09:54:112
306846699223,15cyclictest3162857-21sendmail-msp10:26:152
306846699221,6cyclictest0-21swapper/212:03:062
306846699221,13cyclictest1-21systemd11:53:062
306846699221,13cyclictest1-21systemd11:53:062
3068463992215,1cyclictest3125811-21ntpq09:38:120
306846399220,20cyclictest3131086-21wc09:46:120
112699220,0rtkit-daemon0-21swapper/211:14:572
306846699216,14cyclictest122792-21ntpd10:38:282
306846699216,11cyclictest3271284-21ssh12:38:132
306846699213,3cyclictest3274317-21ssh12:41:152
306846699213,10cyclictest619-21mta-sts-daemon11:43:152
3068466992116,4cyclictest3128586-21fschecks_time09:43:092
3068466992115,4cyclictest1005-21mta-sts-daemon09:06:412
3068466992112,8cyclictest3097370-21fschecks_time08:43:072
306846499218,5cyclictest3236869-21ntpq11:58:161
306846499216,11cyclictest3224854-21/usr/sbin/munin11:43:151
306846499214,5cyclictest11050irq/107-eth%d10:51:131
306846499212,18cyclictest3098479-21sendmail-msp08:47:291
306846499211,16cyclictest3140337-21/usr/sbin/munin09:58:131
306846399212,11cyclictest11050irq/107-eth%d10:18:160
3068463992113,2cyclictest3147226-21munin-run10:06:120
306846399211,19cyclictest0-21swapper/012:03:030
3068463992110,1cyclictest11050irq/107-eth%d11:47:520
306846399210,20cyclictest3177076-21fschecks_time10:43:090
112699210,1rtkit-daemon0-21swapper/209:19:272
306846899204,6cyclictest0-21swapper/309:54:113
3068464992013,6cyclictest3189096-21fschecks_time10:58:091
306846399204,10cyclictest11050irq/107-eth%d10:56:450
306846699192,13cyclictest111788-21systemd-journal08:47:292
3068466991910,7cyclictest0-21swapper/211:18:182
306846499195,9cyclictest3101196-21ntpq08:53:151
306846499195,11cyclictest3257146-21/usr/sbin/munin12:23:111
306846499193,8cyclictest764-21rs:main1
306846499193,2cyclictest11050irq/107-eth%d10:15:261
306846399191,6cyclictest3073794-21aten_r2power_vo07:33:050
112699190,4rtkit-daemon1006-21mta-sts-daemon10:19:221
306846699185,8cyclictest11050irq/107-eth%d12:27:102
306846699185,8cyclictest11050irq/107-eth%d12:27:102
306846699184,10cyclictest3221352-21ssh11:38:192
306846699183,11cyclictest3257145-21sh12:23:112
306846499186,7cyclictest11050irq/107-eth%d11:55:251
306846499186,7cyclictest11050irq/107-eth%d11:55:251
306846499184,8cyclictest111788-21systemd-journal10:26:471
306846499184,11cyclictest1006-21mta-sts-daemon11:15:201
306846499183,13cyclictest111788-21systemd-journal10:52:181
3068464991814,3cyclictest3160316-21fschecks_time10:23:101
306846499181,10cyclictest3116268-21sendmail-msp09:27:211
306846399187,7cyclictest1006-21mta-sts-daemon08:47:030
306846399184,11cyclictest3093753-21/usr/sbin/munin08:33:190
306846399184,10cyclictest3105064-21sendmail-msp09:11:500
112699180,3rtkit-daemon1008-21mta-sts-daemon10:42:281
306846899175,6cyclictest0-21swapper/309:14:483
306846899175,5cyclictest0-21swapper/309:25:033
306846899174,7cyclictest0-21swapper/309:33:243
306846699174,10cyclictest967-21snmpd10:32:302
3068466991712,4cyclictest3080650-21gltestperf07:53:112
306846499177,6cyclictest0-21swapper/107:16:121
306846499175,6cyclictest111788-21systemd-journal11:26:171
306846499174,10cyclictest111788-21systemd-journal10:35:581
306846499173,12cyclictest11050irq/107-eth%d09:25:031
306846499172,3cyclictest3239726-21aten2.4-expect12:03:061
3068464991714,2cyclictest3112481-21cron09:21:121
306846499171,14cyclictest3108692-21diskmemload10:08:151
306846499171,12cyclictest3242955-21ssh12:06:351
306846499170,1cyclictest0-21swapper/112:41:151
306846399175,7cyclictest3068465-21/usr/sbin/munin07:16:120
306846399172,13cyclictest118475-21wpa_supplicant09:33:300
306846399170,14cyclictest0-21swapper/008:18:090
306846899166,5cyclictest0-21swapper/312:06:173
306846899164,5cyclictest0-21swapper/312:38:133
306846899164,5cyclictest0-21swapper/311:58:163
306846899164,5cyclictest0-21swapper/310:36:183
306846899163,8cyclictest0-21swapper/312:13:043
306846899163,10cyclictest0-21swapper/311:13:163
306846899162,8cyclictest0-21swapper/310:29:313
306846699164,7cyclictest0-21swapper/211:58:102
306846699164,10cyclictest1005-21mta-sts-daemon11:06:362
306846699162,9cyclictest3148657-21cut10:08:102
306846699162,8cyclictest259-21jbd2/mmcblk0p2-808:53:142
3068466991612,2cyclictest0-21swapper/210:43:102
3068466991611,4cyclictest3091426-21unixbench_multi08:23:202
3068466991611,3cyclictest3116289-21grep09:26:122
3068466991610,4cyclictest3252582-21fschecks_count12:18:072
306846499163,8cyclictest3090478-21grep08:23:101
306846399161,2cyclictest3081852-21/usr/sbin/munin07:58:090
3068463991612,3cyclictest3104452-21ntp_kernel_pll_09:03:140
306846399161,10cyclictest3251105-21ssh12:16:130
306846399160,8cyclictest0-21swapper/011:43:060
306846899155,5cyclictest0-21swapper/309:48:153
306846899154,6cyclictest0-21swapper/309:26:143
306846899152,7cyclictest0-21swapper/310:46:193
306846699159,5cyclictest3088736-21fschecks_count08:18:072
3068466991512,2cyclictest1005-21mta-sts-daemon07:58:132
306846699151,11cyclictest3121991-21ntpq09:33:242
306846499155,7cyclictest0-21swapper/110:03:121
306846499155,6cyclictest271ktimers/110:36:181
306846499153,6cyclictest3271264-21ntpq12:38:131
306846499152,9cyclictest3082610-21needreboot07:58:121
3068464991512,2cyclictest0-21swapper/107:43:161
306846399151,3cyclictest3192961-21/usr/sbin/munin11:03:110
3068463991511,3cyclictest3093365-21latency_hist08:31:130
306846399150,9cyclictest3100343-21/usr/sbin/munin08:53:060
112699150,6rtkit-daemon1006-21mta-sts-daemon10:03:122
306846899146,7cyclictest0-21swapper/312:33:173
306846899146,4cyclictest0-21swapper/308:53:143
306846899144,7cyclictest0-21swapper/312:27:103
306846899144,7cyclictest0-21swapper/312:27:103
306846899143,6cyclictest0-21swapper/311:06:163
306846899142,8cyclictest0-21swapper/311:43:123
306846899142,8cyclictest0-21swapper/310:53:153
306846899142,7cyclictest0-21swapper/312:23:113
306846899142,6cyclictest0-21swapper/312:46:123
306846899142,6cyclictest0-21swapper/310:08:113
306846699149,4cyclictest3181200-21fschecks_time10:48:122
306846699144,8cyclictest259-21jbd2/mmcblk0p2-811:27:342
306846699143,10cyclictest3079020-21head07:48:122
306846699141,9cyclictest3085494-21tune2fs08:08:112
3068466991411,2cyclictest0-21swapper/209:03:132
306846499145,7cyclictest3242817-1kworker/1:0H-kblockd12:26:181
306846499145,7cyclictest3242817-1kworker/1:0H-kblockd12:26:181
306846499143,9cyclictest3088370-21grep08:16:121
306846499143,8cyclictest3106884-21awk09:11:121
306846499143,4cyclictest3204687-21ntpq11:18:121
3068464991411,3cyclictest3102759-21ntp_kernel_err08:58:111
306846499141,11cyclictest3095727-21grep08:38:161
306846499141,11cyclictest3069981-21grep07:18:161
306846499141,11cyclictest111788-21systemd-journal08:28:091
306846499141,10cyclictest3129241-21ssh09:43:151
3068464991410,3cyclictest0-21swapper/111:38:181
306846399143,8cyclictest3091512-21latency_hist08:26:120
306846399140,9cyclictest3097871-21ntpq08:43:110
306846899135,5cyclictest0-21swapper/311:26:173
306846899135,5cyclictest0-21swapper/310:14:263
306846899134,5cyclictest0-21swapper/311:53:063
306846899134,5cyclictest0-21swapper/311:53:063
306846899133,8cyclictest0-21swapper/311:32:283
306846899132,7cyclictest0-21swapper/312:05:473
306846899132,4cyclictest0-21swapper/310:02:083
306846899131,8cyclictest0-21swapper/308:31:573
306846699134,7cyclictest3071745-21systemctl07:26:122
306846699132,8cyclictest3189948-21/usr/sbin/munin10:58:182
306846699132,7cyclictest3141837-21/usr/sbin/munin09:58:182
3068466991311,1cyclictest0-21swapper/207:43:072
306846499137,4cyclictest3253147-21rm12:18:111
306846499137,3cyclictest0-21swapper/107:23:161
306846499132,9cyclictest3108676-1kworker/1:0H+kblockd11:10:221
306846499132,8cyclictest3078354-21sendmail-msp07:48:041
306846499132,7cyclictest3125365-21fschecks_time09:38:091
306846499131,10cyclictest3192765-21basename11:03:101
3068464991310,2cyclictest3080527-21grep07:53:101
306846399131,9cyclictest3070241-21latency_hist07:21:120
306846399131,9cyclictest0-21swapper/007:26:130
306846399131,8cyclictest0-21swapper/009:57:060
3068463991310,0cyclictest0-21swapper/008:08:060
306846899125,4cyclictest0-21swapper/310:33:413
306846899123,6cyclictest0-21swapper/310:18:163
306846899123,5cyclictest0-21swapper/310:43:123
306846899121,6cyclictest0-21swapper/311:38:113
306846699129,2cyclictest0-21swapper/208:58:142
306846699125,5cyclictest0-21swapper/207:18:032
306846699125,4cyclictest3125133-21/usr/sbin/munin09:38:072
306846699122,8cyclictest3195398-21idleruntime-cro11:06:132
306846699122,8cyclictest3156337-21/usr/sbin/munin10:18:112
306846699121,9cyclictest3073965-21cut07:33:082
306846699121,9cyclictest3073162-21grep07:28:182
306846699121,3cyclictest3160987-21sendmail_mailqu10:23:172
306846699120,10cyclictest3084944-21sendmail-msp08:13:122
306846499124,5cyclictest3098421-21/usr/sbin/munin08:43:181
306846499122,7cyclictest3207869-21ssh11:23:051
306846499122,6cyclictest3075714-21grep07:38:101
306846499121,9cyclictest3104561-21ps09:03:151
306846499121,9cyclictest3088748-21fschecks_count08:18:071
306846499121,9cyclictest3083888-21grep08:03:071
306846499121,9cyclictest3083888-21grep08:03:071
306846499121,6cyclictest3085922-21needreboot08:08:141
306846399121,10cyclictest212075-1kworker/0:1H+kblockd07:53:100
112699120,6rtkit-daemon1008-21mta-sts-daemon07:15:192
306846899115,5cyclictest0-21swapper/309:18:153
306846899114,3cyclictest0-21swapper/308:28:093
306846899112,6cyclictest0-21swapper/311:46:143
306846899112,6cyclictest0-21swapper/308:11:123
306846899112,5cyclictest0-21swapper/309:06:123
306846899112,4cyclictest0-21swapper/309:06:413
306846899111,6cyclictest0-21swapper/308:23:053
306846899111,5cyclictest0-21swapper/311:23:083
306846699112,5cyclictest3075706-21head07:38:102
306846499114,5cyclictest3071993-21munin-node07:28:051
306846499112,5cyclictest3073633-21/usr/sbin/munin07:33:101
306846399116,1cyclictest3101975-21/usr/sbin/munin08:58:170
306846399112,6cyclictest3072392-21grep07:28:090
306846899105,3cyclictest0-21swapper/309:58:133
306846899103,5cyclictest0-21swapper/312:16:133
306846899103,4cyclictest0-21swapper/311:18:053
306846899103,4cyclictest0-21swapper/311:03:153
306846899102,5cyclictest0-21swapper/308:43:113
306846899102,4cyclictest0-21swapper/309:43:063
306846899102,4cyclictest0-21swapper/308:46:143
306846899101,5cyclictest0-21swapper/308:18:073
306846899101,5cyclictest0-21swapper/307:41:123
306846899101,4cyclictest0-21swapper/308:13:023
306846699101,6cyclictest3096652-21/usr/sbin/munin08:38:252
306846399102,6cyclictest3075583-21cut07:38:100
30684689994,2cyclictest0-21swapper/307:18:133
30684689993,4cyclictest0-21swapper/310:23:113
30684689993,3cyclictest0-21swapper/307:58:113
30684689993,3cyclictest0-21swapper/307:33:063
30684689992,5cyclictest0-21swapper/310:56:453
30684689992,4cyclictest0-21swapper/309:38:053
30684689992,3cyclictest0-21swapper/308:58:083
30684689992,3cyclictest0-21swapper/308:38:053
30684689990,5cyclictest0-21swapper/307:43:153
30684689982,4cyclictest0-21swapper/308:06:123
30684689982,4cyclictest0-21swapper/308:06:123
30684689982,2cyclictest0-21swapper/307:53:063
30684689981,5cyclictest0-21swapper/307:28:103
30684689981,5cyclictest0-21swapper/307:23:163
30684689974,1cyclictest0-21swapper/307:16:123
30684689971,4cyclictest0-21swapper/307:48:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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