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2025-07-15 - 22:11
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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 376 highest latencies:
System rack9slot4.osadl.org (updated Tue Jul 15, 2025 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7491991268cyclictest0-21swapper/009:29:570
7254112594sleep0-21swapper/105:14:361
7491991203cyclictest29777-21latency_hist08:39:560
7491991173cyclictest74-21mmcqd/008:04:540
7491991168cyclictest0-21swapper/006:29:510
7491991149cyclictest0-21swapper/008:14:550
7491991128cyclictest0-21swapper/010:44:590
7491991123cyclictest30126-21runrttasks10:30:260
7491991113cyclictest12192-21aten2.4-expect09:05:090
7365111173sleep0-21swapper/005:14:440
7491991103cyclictest30885-21cat06:29:510
7491991098cyclictest0-21swapper/009:59:580
7491991097cyclictest0-21swapper/007:15:250
7491991078cyclictest0-21swapper/005:25:230
7491991075cyclictest6222-21cat06:54:520
7491991073cyclictest3843-21ssh07:55:090
7491991073cyclictest10090-21kworker/u4:206:47:550
74919910711cyclictest26870-21latency_hist08:34:550
7491991065cyclictest28417-21timerandwakeup07:40:380
74919910610cyclictest18307-21diskstats09:15:180
7491991047cyclictest0-21swapper/010:15:010
7491991044cyclictest480-21systemd-journal06:15:240
7491991044cyclictest304-21snmpd07:10:320
7491991044cyclictest304-21snmpd07:10:320
7491991038cyclictest0-21swapper/007:05:260
7491991038cyclictest0-21swapper/007:05:260
7491991038cyclictest0-21swapper/005:15:230
7491991028cyclictest0-21swapper/008:59:560
7491991027cyclictest0-21swapper/007:27:260
7491991027cyclictest0-21swapper/005:24:500
7491991018cyclictest0-21swapper/010:11:450
7491991013cyclictest15333-21latency_hist05:39:500
7491991013cyclictest14603-21latency_hist10:04:570
74919910117cyclictest23097-21latency_hist06:04:510
74919910112cyclictest16378-21cat07:20:250
7491991008cyclictest0-21swapper/008:45:160
7491991007cyclictest0-21swapper/010:38:010
74919910068cyclictest6950irq/18-mmc005:45:020
749199998cyclictest0-21swapper/007:34:530
749199998cyclictest0-21swapper/006:09:510
749199995cyclictest6088-21latency_hist08:54:560
749199987cyclictest0-21swapper/007:46:370
749199986cyclictest0-21swapper/009:20:210
22150980irq/18-spi_topc749199cyclictest09:40:590
749199973cyclictest24212-21ssh10:20:260
749199973cyclictest15908-21idleruntime08:15:200
749199968cyclictest0-21swapper/009:46:110
749199968cyclictest0-21swapper/007:04:530
7491999672cyclictest0-21swapper/008:09:070
7491999658cyclictest74-21mmcqd/006:55:260
7491999636cyclictest0-21swapper/010:05:090
749199958cyclictest0-21swapper/010:25:010
749199953cyclictest19669-21runrttasks05:50:490
7491999513cyclictest0-21swapper/007:37:310
749199937cyclictest0-21swapper/005:35:150
749199936cyclictest0-21swapper/008:28:100
749199927cyclictest0-21swapper/007:50:040
7491999224cyclictest0-21swapper/009:35:230
749199919cyclictest0-21swapper/009:52:000
749199918cyclictest0-21swapper/005:55:390
749199917cyclictest0-21swapper/008:40:000
749199916cyclictest0-21swapper/009:00:470
749199908cyclictest0-21swapper/006:40:310
749199908cyclictest0-21swapper/006:20:240
749199907cyclictest0-21swapper/008:20:210
749199899cyclictest0-21swapper/005:30:230
7491998725cyclictest26093-21sshd06:13:550
749199864cyclictest24273-21fschecks_count09:25:220
749199858cyclictest0-21swapper/009:14:510
749199858cyclictest0-21swapper/006:35:170
7050710irq/18-mmc1750399cyclictest07:40:051
22150690irq/18-spi_topc750399cyclictest10:10:101
750399668cyclictest0-21swapper/107:47:511
750399649cyclictest0-21swapper/109:43:041
33950640irq/43-eth012353-21tune2fs10:00:211
22150640irq/18-spi_topc750399cyclictest05:58:281
22150630irq/18-spi_topc750399cyclictest08:40:081
750399629cyclictest0-21swapper/108:08:501
7503996220cyclictest0-21swapper/109:30:281
33950620irq/43-eth0304-21snmpd10:40:151
22150620irq/18-spi_topc750399cyclictest05:21:571
22150620irq/18-spi_topc750399cyclictest05:17:521
1699620watchdog/130155-21/usr/sbin/munin06:25:231
750399616cyclictest0-21swapper/109:16:271
7503996112cyclictest0-21swapper/107:00:241
22150610irq/18-spi_topc750399cyclictest06:50:571
750399609cyclictest0-21swapper/109:45:251
7503996017cyclictest0-21swapper/106:05:061
33950600irq/43-eth025808-21sshd10:23:311
1699600watchdog/122575-21/usr/sbin/munin06:00:301
1699600watchdog/114092-21ssh07:16:121
750399599cyclictest0-21swapper/107:10:171
750399599cyclictest0-21swapper/107:10:171
750399599cyclictest0-21swapper/106:55:161
750399599cyclictest0-21swapper/106:30:291
750399597cyclictest0-21swapper/109:28:431
7503995910cyclictest0-21swapper/106:15:301
33950590irq/43-eth028072-21ntp_offset08:35:481
22150590irq/18-spi_topc750399cyclictest05:32:531
1699590watchdog/112461-21df09:05:191
1699590watchdog/10-21swapper/107:36:251
750399589cyclictest0-21swapper/107:05:151
750399589cyclictest0-21swapper/107:05:151
750399588cyclictest0-21swapper/108:45:031
750399588cyclictest0-21swapper/107:52:471
7503995811cyclictest0-21swapper/105:35:161
7503995810cyclictest0-21swapper/109:35:241
33950580irq/43-eth018471-21aten2.4-expect07:25:031
1799580migration/14733-21runrttasks08:50:561
1799580migration/116046-21ntp_states09:10:351
1799580migration/11237-21runrttasks06:35:481
1699580watchdog/16987-21/usr/sbin/munin09:50:321
1699580watchdog/131945-21ssh10:34:221
1699580watchdog/124741-21ssh08:30:221
1699580watchdog/120189-21ssh08:22:341
1699580watchdog/116574-21grep08:15:381
750399579cyclictest0-21swapper/110:15:221
750399579cyclictest0-21swapper/110:05:231
750399579cyclictest0-21swapper/109:20:241
750399579cyclictest0-21swapper/105:40:091
1799570migration/13839-21/usr/sbin/munin07:55:081
1799570migration/13826-21/usr/sbin/munin06:45:181
1699570watchdog/132645-21diskstats10:35:181
1699570watchdog/128024-21sh10:26:251
1699570watchdog/11898-21df_inode06:40:151
750399569cyclictest0-21swapper/107:20:461
750399569cyclictest0-21swapper/105:50:221
7503995610cyclictest0-21swapper/106:20:101
33950560irq/43-eth09276-21diskstats09:55:221
33950560irq/43-eth06803-21df_inode08:00:121
1799560migration/112069-21runrttasks05:28:461
1699560watchdog/18515-21sh08:58:271
1699560watchdog/125013-21entropy06:10:141
1699560watchdog/112319-21ssh08:09:581
750399559cyclictest0-21swapper/105:45:151
750399557cyclictest0-21swapper/109:02:411
1799550migration/123508-21runrttasks07:33:021
1699550watchdog/121829-21/usr/sbin/munin08:25:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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