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2025-11-21 - 17:03
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot2.osadl.org (updated Fri Nov 21, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189098699129120,6cyclictest1903802-21kworker/u4:4+events_unbound07:59:081
189098699124111,5cyclictest1894805-21kworker/u4:13+events_unbound08:59:191
189098699120113,5cyclictest2017194-21kworker/u4:9+events_unbound11:30:231
189098699119112,5cyclictest1993680-21kworker/u4:14+events_unbound11:25:221
189098699119111,6cyclictest1890902-21kworker/u4:0+events_unbound09:14:491
189098699115108,5cyclictest1890902-21kworker/u4:0+events_unbound08:44:421
189098699114107,5cyclictest2006670-21kworker/u4:11+events_unbound11:14:571
18909869911199,5cyclictest1890903-21kworker/u4:1+events_unbound07:18:581
189098699110103,5cyclictest1902524-21kworker/u4:3+events_unbound10:29:491
18909869910699,5cyclictest1972898-21kworker/u4:6+events_unbound11:04:551
18909869910497,5cyclictest1896094-21kworker/u4:5+events_unbound07:39:211
18909869910497,5cyclictest1890902-21kworker/u4:0+events_unbound09:34:321
18909869910495,7cyclictest1910450-21kworker/u4:20+events_unbound09:04:471
18909869910396,5cyclictest1965953-21kworker/u4:13+events_unbound10:20:081
18909869910194,5cyclictest1894810-21kworker/u4:14+events_unbound07:34:201
18909869910194,5cyclictest1894810-21kworker/u4:14+events_unbound07:34:201
18909869910093,5cyclictest1958800-21kworker/u4:1+events_unbound10:30:091
1890986999992,5cyclictest1993680-21kworker/u4:14+events_unbound11:09:571
1890986999992,5cyclictest1993680-21kworker/u4:14+events_unbound11:09:571
1890986999891,5cyclictest1910450-21kworker/u4:20+events_unbound08:24:361
1890986999891,5cyclictest1892207-21kworker/u4:7+events_unbound07:13:581
1890986999891,5cyclictest1892207-21kworker/u4:7+events_unbound07:13:571
1890986999487,5cyclictest2061927-21kworker/u4:1+events_unbound12:30:071
1890986999480,6cyclictest1892207-21kworker/u4:7+events_unbound08:04:081
1890985999484,8cyclictest53-21kswapd010:35:090
1890986999083,5cyclictest1893503-21kworker/u4:12+events_unbound08:39:371
1890986998775,8cyclictest53-21kswapd011:20:211
1890986998679,5cyclictest1893503-21kworker/u4:12+events_unbound08:54:181
1890986998678,6cyclictest2027839-21kworker/u4:2+events_unbound11:50:271
1890986998578,5cyclictest1902524-21kworker/u4:3+events_unbound08:09:101
1890985998377,4cyclictest1941226-21kworker/u4:6+events_unbound09:39:320
1890986998271,7cyclictest2022946-21ssh11:35:301
1890986998271,7cyclictest2022946-21ssh11:35:291
1890985998273,6cyclictest1931253-21kworker/u4:8+events_unbound09:24:240
1890986998174,5cyclictest1906569-21kworker/u4:16+events_unbound08:49:421
1890985998173,5cyclictest1951565-21kworker/u4:16+events_unbound09:54:370
1890986998073,5cyclictest1890904-21kworker/u4:2+events_unbound07:29:021
1890986998071,7cyclictest1903807-21kworker/u4:9+events_unbound08:14:271
1890985997672,3cyclictest1944779-21kworker/u4:11+events_unbound09:44:330
1890986997568,5cyclictest1965952-21kworker/u4:12+events_unbound10:39:511
1890986997568,5cyclictest1965952-21kworker/u4:12+events_unbound10:39:511
1890985997566,6cyclictest1894810-21kworker/u4:14+events_unbound07:29:180
1890986997466,6cyclictest2042741-21kworker/u4:10+events_unbound12:05:051
1890986997466,6cyclictest2042741-21kworker/u4:10+events_unbound12:05:051
1890985997469,3cyclictest1958800-21kworker/u4:1+events_unbound10:10:040
1890985997465,7cyclictest1893488-21kworker/u4:11+events_unbound07:49:240
1890986997366,5cyclictest1898655-21kworker/u4:15+events_unbound08:19:131
1890986996963,4cyclictest1944779-21kworker/u4:11+events_unbound10:05:031
1890986996859,6cyclictest2024128-21kworker/u4:4+events_unbound11:45:001
1890986996756,8cyclictest1903802-21kworker/u4:4+events_unbound09:49:571
1890985996762,3cyclictest2027837-21kworker/u4:0+events_unbound12:15:070
1890986996660,4cyclictest1972409-21kworker/u4:2+events_unbound10:44:531
1890986996659,5cyclictest1911731-21kworker/u4:21+events_unbound08:30:011
1890985996659,5cyclictest1972409-21kworker/u4:2+events_unbound10:54:540
1890985996659,5cyclictest1893503-21kworker/u4:12+events_unbound09:19:240
1890985996657,6cyclictest1962445-21kworker/u4:7+events_unbound10:09:440
1890985996657,6cyclictest1909142-21kworker/u4:18+events_unbound08:29:140
189098699655,56cyclictest1957632-21ssh10:00:281
1890985996557,6cyclictest1906569-21kworker/u4:16+events_unbound09:14:220
1890985996555,7cyclictest1969535-21kworker/u4:0+events_unbound10:19:470
1890986996255,5cyclictest1941226-21kworker/u4:6+events_unbound09:39:541
1890986996153,6cyclictest1941224-21kworker/u4:5+events_unbound09:55:031
1890985996152,6cyclictest2068018-21ssh12:35:080
1890985996127,15cyclictest14-21ksoftirqd/011:50:210
1890985996052,5cyclictest1976555-21sh10:27:320
1890986995852,5cyclictest1958800-21kworker/u4:1+events_unbound10:50:031
1890986995750,5cyclictest2038692-21kworker/u4:2+events_unbound12:25:341
189098599575,27cyclictest1971545-21ntpq10:20:280
1890985995746,7cyclictest1890982-21cyclictest10:49:230
1890986995645,7cyclictest0-21swapper/112:00:141
1890985995651,3cyclictest1890904-21kworker/u4:2+events_unbound07:24:180
1890985995648,6cyclictest2042741-21kworker/u4:10+events_unbound12:05:010
1890985995616,13cyclictest1982287-21ntpq10:35:350
1890985995616,13cyclictest1982287-21ntpq10:35:350
1890985995613,16cyclictest1892957-21ntpq07:15:230
1890986995545,8cyclictest1944779-21kworker/u4:11+events_unbound09:44:561
1890986995544,7cyclictest1896094-21kworker/u4:5+events_unbound07:50:031
1890985995548,4cyclictest1902524-21kworker/u4:3+events_unbound08:09:270
1890985995536,17cyclictest1949586-21munin-plugin-st09:50:000
1890985995447,4cyclictest0-21swapper/012:30:280
1890985995442,9cyclictest53-21kswapd011:15:180
1890985995434,17cyclictest1913481-21fschecks_count08:35:190
1890986995346,5cyclictest2024129-21kworker/u4:5+events_unbound12:20:021
1890986995346,5cyclictest1890902-21kworker/u4:0+events_unbound07:45:031
1890986995345,6cyclictest1933664-21/usr/sbin/munin09:25:391
1890986995341,10cyclictest2034748-21kworker/u4:1+events_unbound11:55:281
1890985995344,7cyclictest2015959-21gltestperf11:25:210
1890985995344,6cyclictest2060668-21ssh12:25:330
1890985995344,6cyclictest1985486-21ssh10:40:280
1890986995245,5cyclictest0-21swapper/110:15:121
1890986995244,6cyclictest2008745-21fschecks_time11:15:191
1890985995242,7cyclictest1957868-21mailstats10:00:360
1890985995229,20cyclictest2029497-21/usr/sbin/munin11:45:220
1890985995219,10cyclictest1898708-21sendmail07:40:000
1890985995218,11cyclictest0-21swapper/007:34:180
1890985995218,11cyclictest0-21swapper/007:34:180
1890985995216,7cyclictest1911940-21apt-get08:30:130
1890986995144,5cyclictest1894819-21systemd07:23:591
189098599517,20cyclictest2048083-21acpi12:10:120
1890985995143,5cyclictest2037590-21/usr/sbin/munin11:55:370
1890985995143,5cyclictest1935475-21modprobe09:30:000
1890985995139,8cyclictest2013129-21sh11:20:410
1890985995116,6cyclictest1935679-21apt-get09:30:110
1890986995044,4cyclictest1972409-21kworker/u4:2+events_unbound10:46:361
1890985995042,5cyclictest0-21swapper/012:20:330
1890985995036,11cyclictest2008165-21latency_hist11:15:010
189098599502,23cyclictest1920903-21ls09:05:010
1890985995019,7cyclictest25750irq/23-42890000.ethernet11:05:330
1890985995019,7cyclictest25750irq/23-42890000.ethernet11:05:330
1890986994939,7cyclictest0-21swapper/112:35:241
189098599499,15cyclictest1919030-21ntpq08:55:270
1890985994939,7cyclictest1903568-21switchtime07:55:350
1890985994938,8cyclictest2022787-21sshd11:35:230
1890985994938,8cyclictest2022787-21sshd11:35:220
1890985994938,8cyclictest1909671-21fschecks_time08:20:220
1890985994914,11cyclictest0-21swapper/012:05:200
1890985994914,11cyclictest0-21swapper/012:05:200
1890985994913,12cyclictest1954091-21ld09:55:310
1890985994912,12cyclictest2019442-21ntpq11:30:250
189098599489,15cyclictest2000526-21ssh11:03:420
1890985994840,6cyclictest1998183-21ssh11:00:000
1890985994838,8cyclictest1916563-21/usr/sbin/munin08:45:390
189098599482,22cyclictest1900022-21modprobe07:45:010
1890986994740,5cyclictest1910686-21aten2__08:25:161
1890986994740,5cyclictest1910450-21kworker/u4:20+events_unbound09:15:031
1890986994740,4cyclictest0-21swapper/110:10:111
1890986994729,6cyclictest171rcu_preempt11:00:001
189098599479,14cyclictest1891723-21ntpq07:10:290
189098599479,14cyclictest1891723-21ntpq07:10:290
189098599478,15cyclictest1907381-21ntpq08:10:310
1890985994738,6cyclictest1915277-21cat08:40:480
1890985994737,8cyclictest1904264-21aten_r7power_vo08:00:220
1890986994640,4cyclictest2038695-21kworker/u4:12+events_unbound12:11:361
1890986994637,6cyclictest0-21swapper/112:15:311
1890985994630,12cyclictest1921961-21ls09:05:410
189098599453,21cyclictest2026555-21ssh11:40:270
1890986994437,5cyclictest2024128-21kworker/u4:4+events_unbound11:48:541
1890986994437,5cyclictest1951565-21kworker/u4:16+events_unbound09:53:381
1890986994337,4cyclictest1929218-21diskmemload09:20:101
1890986994334,6cyclictest1896094-21kworker/u4:5+rpciod07:40:221
189098599436,14cyclictest1917718-21ld08:50:240
1890985994321,16cyclictest1902092-21ntpq07:50:450
1890986994233,6cyclictest1922165-21kworker/u4:909:10:001
1890985994230,7cyclictest0-21swapper/007:10:020
1890985994031,7cyclictest1908385-21fschecks_time08:15:210
189098699359,16cyclictest1890962-21munin-run07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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