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2025-12-07 - 07:52
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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 all highest latencies:
System rack2slot7.osadl.org (updated Sun Dec 07, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195371299756,15cyclictest2054818-21rm22:25:080
1953712996511,34cyclictest0-21swapper/000:08:080
1953712996340,4cyclictest0-21swapper/019:18:110
1953712995627,3cyclictest0-21swapper/021:41:140
195371299512,28cyclictest0-21swapper/023:27:360
1953713995027,6cyclictest11050irq/107-eth%d00:06:151
1953714994626,13cyclictest111788-21systemd-journal00:07:432
1953713994123,16cyclictest2000467-21fschecks_count21:23:061
195371399392,17cyclictest1974038-21apt-get20:16:131
1953712993815,4cyclictest0-21swapper/021:49:200
1953712993815,4cyclictest0-21swapper/021:49:200
1953712993511,19cyclictest2029781-21cat21:56:110
1953712993420,11cyclictest2107967-21sendmail-msp23:35:070
1953712993419,11cyclictest0-21swapper/019:16:110
1953713993325,7cyclictest2166180-21fschecks_count00:33:171
195371299322,23cyclictest2108333-21latency_hist23:26:110
195371499311,11cyclictest111788-21systemd-journal23:26:162
195371299311,2cyclictest0-21swapper/022:38:130
195371299311,22cyclictest2070793-21/usr/sbin/munin22:43:120
1953713992918,5cyclictest2055447-21sendmail-msp22:26:161
195371399282,3cyclictest171rcu_preempt20:21:131
195371399282,3cyclictest171rcu_preempt20:21:131
1953713992819,1cyclictest11050irq/107-eth%d21:36:151
1953712992817,4cyclictest0-21swapper/000:41:110
195371499269,10cyclictest2056339-21ssh22:26:482
195371299266,4cyclictest0-21swapper/023:03:130
1953712992619,2cyclictest2131993-21needreboot23:53:120
195371499245,16cyclictest2158975-21ssh00:23:122
1953714992417,6cyclictest1005-21mta-sts-daemon21:09:012
195371399243,13cyclictest2113726-21sh23:32:501
195371299244,3cyclictest171rcu_preempt22:58:070
195371299241,4cyclictest1984639-21/usr/sbin/munin20:48:200
195371299241,4cyclictest1984639-21/usr/sbin/munin20:48:200
195371299241,1cyclictest0-21swapper/000:33:180
195371299241,16cyclictest259-21jbd2/mmcblk0p2-821:33:140
195371299240,5cyclictest2055447-21sendmail-msp22:29:000
195371299240,19cyclictest0-21swapper/023:58:540
195371599237,7cyclictest0-21swapper/300:08:173
195371499232,13cyclictest111788-21systemd-journal20:26:362
195371299239,3cyclictest2036086-21ntp_states22:03:140
112699230,2rtkit-daemon1006-21mta-sts-daemon19:53:390
195371399224,4cyclictest0-21swapper/100:03:091
195371399223,10cyclictest11050irq/107-eth%d22:25:081
1953713992217,4cyclictest1008-21mta-sts-daemon22:48:121
1953713992216,3cyclictest2107934-21apt-get23:26:151
1953713992212,7cyclictest1006-21mta-sts-daemon21:49:521
1953713992212,7cyclictest1006-21mta-sts-daemon21:49:521
195371299228,1cyclictest0-21swapper/023:18:150
195371299222,13cyclictest0-21swapper/023:43:100
195371299220,21cyclictest2094838-21/usr/sbin/munin23:11:110
195371299220,21cyclictest0-21swapper/000:23:090
195371299220,15cyclictest0-21swapper/022:50:020
1953713992118,2cyclictest1991008-21sendmail-msp21:13:161
1953712992115,3cyclictest2008736-1kworker/0:0H+kblockd22:34:360
1953712992114,3cyclictest0-21swapper/000:13:430
195371299211,2cyclictest2007683-21munin-run21:31:110
195371299211,20cyclictest0-21swapper/022:12:360
195371499207,10cyclictest2066485-21ntpq22:38:142
1953714992017,2cyclictest1972999-21proc_pri20:13:182
1953714992017,2cyclictest0-21swapper/200:33:272
195371399208,9cyclictest2105822-21ssh23:23:131
195371399205,7cyclictest0-21swapper/122:32:481
195371399202,5cyclictest0-21swapper/121:58:081
1953713992017,2cyclictest2128318-21unixbench_multi23:48:191
195371299208,9cyclictest1008-21mta-sts-daemon00:26:250
195371299203,3cyclictest1996656-21/usr/sbin/munin21:18:130
195371299202,12cyclictest2153216-21diskmemload00:17:170
195371299201,16cyclictest0-21swapper/000:03:120
1953712992010,2cyclictest1969497-21needreboot20:03:110
195371299200,17cyclictest0-21swapper/020:53:070
195371499194,8cyclictest11050irq/107-eth%d22:08:142
195371499194,8cyclictest11050irq/107-eth%d22:08:142
195371499193,10cyclictest2029783-21latency_hist21:56:112
1953714991916,2cyclictest2103577-21cron23:21:112
1953713991917,1cyclictest0-21swapper/122:43:121
1953713991912,3cyclictest0-21swapper/123:54:501
195371299193,14cyclictest607-21dbus-daemon21:36:130
195371299193,12cyclictest122792-21ntpd20:08:440
1953712991917,1cyclictest0-21swapper/023:13:060
1953712991911,2cyclictest2174185-21fschecks_count00:43:080
112699190,1rtkit-daemon0-21swapper/020:42:350
195371499185,11cyclictest1008-21mta-sts-daemon00:12:262
195371499183,11cyclictest2163720-21ssh00:28:342
195371499182,11cyclictest2114477-21/usr/sbin/munin23:33:092
195371399188,7cyclictest0-21swapper/119:43:081
195371399184,10cyclictest1007-21mta-sts-daemon21:09:011
195371399182,7cyclictest0-21swapper/123:13:061
1953713991815,1cyclictest0-21swapper/100:28:341
195371399181,10cyclictest2040343-21ssh22:08:141
195371399181,10cyclictest2040343-21ssh22:08:141
195371299186,11cyclictest0-21swapper/020:21:130
195371299186,11cyclictest0-21swapper/020:21:130
195371299182,4cyclictest171rcu_preempt19:48:120
1953712991815,2cyclictest1982647-21unixbench_multi20:38:170
1953712991814,2cyclictest2119210-21grep23:38:180
1953712991812,1cyclictest2040948-21grep22:08:240
1953712991812,1cyclictest2040948-21grep22:08:240
195371599172,8cyclictest0-21swapper/321:56:113
195371499178,8cyclictest1007-21mta-sts-daemon19:18:112
195371499174,9cyclictest2072980-21sendmail-msp22:48:112
195371499173,10cyclictest619-21mta-sts-daemon22:16:212
195371499172,13cyclictest2012562-21packagekitd21:36:132
195371499172,11cyclictest111788-21systemd-journal21:27:162
1953714991714,2cyclictest1008-21mta-sts-daemon21:33:212
1953714991713,3cyclictest2119433-21xargs23:38:212
195371399172,2cyclictest0-21swapper/121:53:071
195371399171,3cyclictest11050irq/107-eth%d21:28:091
195371299174,8cyclictest11050irq/107-eth%d23:48:120
195371299172,8cyclictest1977488-21sendmail-msp20:28:110
195371299172,10cyclictest2072980-21sendmail-msp22:54:570
1953712991715,1cyclictest0-21swapper/021:23:040
195371599163,4cyclictest0-21swapper/320:08:123
195371599162,6cyclictest0-21swapper/300:46:113
195371499166,7cyclictest2023744-21ssh21:48:192
195371499166,7cyclictest2023744-21ssh21:48:192
195371499163,9cyclictest111788-21systemd-journal22:32:272
195371499162,8cyclictest1957023-21sendmail-msp19:28:052
195371499162,11cyclictest2079297-21/usr/sbin/munin22:53:092
195371499161,13cyclictest1008-21mta-sts-daemon23:08:032
195371499161,12cyclictest619-21mta-sts-daemon19:23:082
195371399167,6cyclictest111788-21systemd-journal00:13:211
195371399163,10cyclictest259-21jbd2/mmcblk0p2-800:16:441
195371399162,13cyclictest1984426-21true20:46:111
195371399162,10cyclictest1007-21mta-sts-daemon20:36:131
195371399161,9cyclictest2101144-21/usr/sbin/munin23:18:131
195371399161,9cyclictest2095067-21ssh23:11:121
195371399161,3cyclictest1954235-21grep19:18:061
195371399160,4cyclictest2038234-21sendmail-msp22:13:161
195371299163,10cyclictest1967858-21/usr/sbin/munin19:58:100
1953712991611,2cyclictest2049257-21switchtime22:18:170
195371599156,5cyclictest0-21swapper/300:03:123
195371599155,6cyclictest0-21swapper/323:48:123
195371599154,7cyclictest0-21swapper/322:03:143
195371599153,8cyclictest0-21swapper/300:33:273
195371599152,7cyclictest0-21swapper/322:26:153
195371499159,4cyclictest111788-21systemd-journal20:08:442
195371499159,2cyclictest0-21swapper/221:13:122
195371499155,7cyclictest1994285-21diskmemload00:17:172
195371499155,7cyclictest1960561-21telnet19:38:042
195371499154,8cyclictest2053782-21/usr/sbin/munin22:23:212
195371499154,8cyclictest0-21swapper/200:38:112
195371499153,9cyclictest2071565-21ssh22:43:362
195371499152,8cyclictest967-21snmpd23:53:132
195371499152,7cyclictest2126516-21ssh23:47:252
195371499152,3cyclictest2035448-21ssh22:03:082
195371499152,10cyclictest2083102-21/usr/sbin/munin22:58:052
1953714991513,1cyclictest1005-21mta-sts-daemon00:42:242
195371499151,12cyclictest2140978-21ssh00:03:102
195371399159,2cyclictest2078988-21fschecks_time22:53:081
195371399154,9cyclictest1995864-21df_inode21:18:061
195371399154,7cyclictest2090535-21munin-run23:06:111
195371399154,7cyclictest2066485-21ntpq22:38:141
195371399153,9cyclictest2049220-21/usr/sbin/munin22:18:161
195371399152,9cyclictest2174256-21fschecks_time00:43:081
195371399152,10cyclictest619-21mta-sts-daemon20:58:161
195371399151,4cyclictest2009320-21expr21:33:101
195371399151,12cyclictest1969026-21fschecks_count20:03:081
195371299152,10cyclictest1991008-21sendmail-msp21:13:160
195371299152,10cyclictest1977488-21sendmail-msp20:33:190
195371299151,9cyclictest1957023-21sendmail-msp19:27:190
195371299151,2cyclictest0-21swapper/021:58:060
1953712991511,2cyclictest1975360-21unixbench_multi20:18:180
195371599144,4cyclictest0-21swapper/321:13:153
195371599143,6cyclictest0-21swapper/322:48:103
195371599143,4cyclictest0-21swapper/300:12:263
195371599142,7cyclictest0-21swapper/323:08:123
195371599141,9cyclictest0-21swapper/323:26:133
195371499145,6cyclictest2030861-21/usr/sbin/munin21:58:032
195371499143,6cyclictest2136089-21/usr/sbin/munin23:58:062
195371499142,9cyclictest2088029-21/usr/sbin/munin23:03:092
195371499142,9cyclictest1981665-21fschecks_count20:38:062
195371499142,7cyclictest2122907-21fschecks_time23:43:062
1953714991412,1cyclictest1006-21mta-sts-daemon19:53:142
1953714991412,1cyclictest0-21swapper/221:41:132
195371499141,11cyclictest2001545-21sed21:23:172
1953714991410,3cyclictest1975605-21apt-config20:21:112
1953714991410,3cyclictest1005-21mta-sts-daemon20:23:102
1953714991410,3cyclictest1005-21mta-sts-daemon20:23:102
1953714991410,2cyclictest0-21swapper/223:13:202
195371399149,3cyclictest0-21swapper/119:33:111
195371399144,8cyclictest2158468-21/usr/sbin/munin00:23:081
195371399142,6cyclictest2123373-21ntpq23:43:091
195371399142,11cyclictest2021205-21cron21:46:101
195371399141,3cyclictest11050irq/107-eth%d23:38:151
195371399141,10cyclictest1990136-21/usr/sbin/munin21:03:091
195371399140,11cyclictest2083414-21grep22:58:071
195371299146,6cyclictest1-21systemd21:01:110
195371299142,9cyclictest111788-21systemd-journal19:46:100
195371299142,8cyclictest1956634-21/usr/sbin/munin19:23:150
195371299141,8cyclictest1972052-21/usr/sbin/munin20:13:180
195371299141,8cyclictest1959716-21ntpq19:33:130
1953712991412,1cyclictest0-21swapper/021:06:110
1953712991411,2cyclictest1961828-21unixbench_multi19:38:160
195371599135,3cyclictest0-21swapper/322:10:593
195371599135,3cyclictest0-21swapper/322:10:593
195371599133,7cyclictest0-21swapper/322:58:073
195371599133,7cyclictest0-21swapper/322:12:033
195371599133,5cyclictest0-21swapper/300:38:113
195371599133,5cyclictest0-21swapper/300:23:053
195371599132,8cyclictest0-21swapper/323:33:093
195371599132,6cyclictest0-21swapper/320:03:133
195371599132,3cyclictest0-21swapper/319:46:413
195371599131,5cyclictest0-21swapper/319:18:113
195371499133,6cyclictest2107983-21pluginstate23:26:112
195371499133,6cyclictest1968023-21/usr/sbin/munin19:58:132
195371499131,9cyclictest1985620-21/usr/sbin/munin20:48:162
195371499131,9cyclictest1985620-21/usr/sbin/munin20:48:162
195371499131,7cyclictest2044366-21/usr/sbin/munin22:13:132
195371499131,11cyclictest1988746-21ntpq20:58:122
195371499131,10cyclictest1989848-21grep21:03:072
195371399139,2cyclictest1973472-21apt-get20:16:101
195371399137,5cyclictest2035477-21fschecks_time22:03:091
195371399134,7cyclictest1961353-21/usr/sbin/munin19:38:111
195371399132,6cyclictest1964803-21/usr/sbin/munin19:48:151
195371399131,9cyclictest1977932-21/usr/sbin/munin20:28:051
195371299131,4cyclictest1991773-21/usr/sbin/munin21:08:100
195371599125,5cyclictest0-21swapper/322:25:083
195371599125,3cyclictest0-21swapper/321:18:063
195371599124,5cyclictest0-21swapper/319:33:133
195371599123,6cyclictest0-21swapper/322:38:143
195371599123,6cyclictest0-21swapper/321:27:163
195371599123,5cyclictest0-21swapper/322:54:253
195371599122,6cyclictest0-21swapper/321:49:203
195371599122,6cyclictest0-21swapper/321:49:203
195371599122,6cyclictest0-21swapper/321:41:133
195371599122,6cyclictest0-21swapper/320:13:153
195371599122,6cyclictest0-21swapper/319:58:163
195371599122,6cyclictest0-21swapper/300:28:083
195371599122,5cyclictest0-21swapper/323:18:083
195371599122,5cyclictest0-21swapper/320:58:093
195371599121,6cyclictest0-21swapper/323:03:133
195371599121,6cyclictest0-21swapper/320:48:203
195371599121,6cyclictest0-21swapper/320:48:203
195371599121,5cyclictest0-21swapper/321:03:093
195371599120,8cyclictest0-21swapper/323:58:103
195371499125,4cyclictest0-21swapper/221:18:052
195371499123,7cyclictest1-21systemd19:16:112
195371499122,9cyclictest762-21in:imuxsock19:48:112
195371499122,8cyclictest1977488-21sendmail-msp20:33:072
195371499122,8cyclictest1969514-21/usr/sbin/munin20:03:112
195371499122,7cyclictest762-21in:imuxsock19:33:112
195371499120,6cyclictest1962161-21/usr/sbin/munin19:43:102
195371499120,10cyclictest111788-21systemd-journal20:53:152
195371399128,3cyclictest0-21swapper/120:33:061
195371399128,2cyclictest0-21swapper/120:08:091
195371399124,5cyclictest2170097-21/usr/sbin/munin00:38:061
195371399124,4cyclictest1955962-21/usr/sbin/munin19:23:071
195371399123,7cyclictest0-21swapper/119:28:121
195371399122,8cyclictest1965998-21/usr/sbin/munin19:53:101
195371399121,2cyclictest2136552-21ntpq23:58:091
195371599116,3cyclictest0-21swapper/320:36:133
195371599113,7cyclictest0-21swapper/322:43:073
195371599112,6cyclictest0-21swapper/322:33:113
195371599112,6cyclictest0-21swapper/322:16:533
195371599112,5cyclictest0-21swapper/321:36:133
195371599112,5cyclictest0-21swapper/321:23:053
195371599112,5cyclictest0-21swapper/319:28:093
195371499112,7cyclictest1983117-21aten_r2power_po20:43:082
195371399112,8cyclictest1967384-21grep19:58:071
195371399111,8cyclictest1987698-21cut20:56:101
195371599103,5cyclictest0-21swapper/300:17:173
195371599103,3cyclictest0-21swapper/320:43:133
195371599102,5cyclictest0-21swapper/321:08:063
195371599102,5cyclictest0-21swapper/320:21:133
195371599102,5cyclictest0-21swapper/320:21:133
195371599102,5cyclictest0-21swapper/320:16:133
195371599102,4cyclictest0-21swapper/323:51:583
195371599102,4cyclictest0-21swapper/323:43:053
195371599102,3cyclictest0-21swapper/319:38:043
195371599101,6cyclictest0-21swapper/323:13:063
195371599101,6cyclictest0-21swapper/321:31:123
195371599100,5cyclictest0-21swapper/319:43:143
195371399101,6cyclictest3322418-1kworker/1:2H-kblockd20:48:141
195371399101,6cyclictest3322418-1kworker/1:2H-kblockd20:48:141
19537159993,5cyclictest0-21swapper/323:38:183
19537159993,4cyclictest0-21swapper/321:58:063
19537159992,5cyclictest0-21swapper/320:28:123
19537159992,4cyclictest0-21swapper/320:33:063
19537159991,5cyclictest0-21swapper/319:53:143
19537159991,4cyclictest0-21swapper/319:23:053
19537139993,5cyclictest1953710-21cyclictest19:16:111
19537159982,4cyclictest0-21swapper/320:53:103
19537159981,4cyclictest0-21swapper/323:23:033
19537159962,3cyclictest0-21swapper/319:16:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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