You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-17 - 04:20
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 100 highest latencies:
System rackbslot4.osadl.org (updated Wed Sep 17, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6742660,7sleep30-21swapper/316:20:543
6742660,7sleep30-21swapper/316:20:543
2067499662,8cyclictest21272-21/usr/sbin/munin13:36:033
2066899625,52cyclictest19282-21ssh16:49:502
2066899604,8cyclictest0-21swapper/214:12:072
20674995927,26cyclictest726-21crond18:45:353
2066899595,47cyclictest0-21swapper/216:22:392
2066899595,47cyclictest0-21swapper/216:22:392
2008225911,17sleep10-21swapper/113:31:441
2066899584,48cyclictest0-21swapper/215:00:562
20668995815,37cyclictest11818-21ssh16:38:342
20668995811,41cyclictest10576-21timerwakeupswit14:31:142
20674995729,23cyclictest27871-21tr18:35:583
20674995729,23cyclictest27871-21tr18:35:583
2067499572,48cyclictest378-21systemd-journal17:23:193
2066899579,42cyclictest7621-21/usr/sbin/munin14:26:032
20674995624,27cyclictest8048-21sort18:06:093
2066899563,47cyclictest26168-21kworker/2:216:17:092
2066899563,47cyclictest0-21swapper/216:41:092
20668995614,36cyclictest3578-21ssh15:37:532
20674995522,28cyclictest25189-21grep18:31:093
20674995521,28cyclictest4602-21/usr/sbin/munin17:15:593
20674995516,33cyclictest21011-21cut18:25:523
20674995515,34cyclictest667-21runrttasks16:03:583
20674995514,35cyclictest667-21runrttasks14:18:433
20668995515,35cyclictest9925-21ssh15:46:252
20668995514,36cyclictest19108-21sed17:36:012
20668995510,39cyclictest1193-21df_inode18:45:512
2065699559,40cyclictest0-21swapper/017:06:280
2065699556,43cyclictest3434-21ssh16:25:380
2065699556,43cyclictest3434-21ssh16:25:380
2067499543,44cyclictest30808-21/usr/sbin/munin17:05:553
2066899549,39cyclictest32344-21/usr/sbin/munin17:55:552
2066899549,39cyclictest23763-21fschecks_time16:55:532
2066899544,45cyclictest0-21swapper/218:20:062
20668995414,34cyclictest26164-21ntp_kernel_pll_17:46:002
2066099544,44cyclictest0-21swapper/116:19:351
2066099543,45cyclictest0-21swapper/117:20:581
2065699540,48cyclictest21816-21kworker/0:217:44:170
2067499533,10cyclictest4782-21sed18:01:093
20674995322,25cyclictest29640-21ntpq17:51:003
20674995320,26cyclictest2516-21grep17:11:113
20674995320,26cyclictest2516-21grep17:11:113
20674995318,30cyclictest26162-21fschecks_time16:10:563
20674995318,29cyclictest13949-21cut14:41:053
20674995312,34cyclictest21271-21runrttasks15:00:583
2067499531,46cyclictest16231-21sed16:45:393
2066899538,39cyclictest25039-21ssh17:45:312
2066899538,39cyclictest0-21swapper/218:30:472
2066899536,41cyclictest9425-21ssh17:21:182
20668995312,35cyclictest0-21swapper/218:05:372
20668995312,35cyclictest0-21swapper/217:32:072
20668995310,37cyclictest0-21swapper/218:26:532
2066099535,43cyclictest0-21swapper/118:34:461
2066099533,44cyclictest0-21swapper/118:10:371
20674995221,26cyclictest667-21runrttasks17:42:423
2067499522,43cyclictest17008-21/usr/sbin/munin14:50:573
20674995219,28cyclictest557-21systemd-logind18:15:373
20674995219,28cyclictest557-21systemd-logind18:15:373
20674995218,29cyclictest647-21wc14:06:013
20674995218,29cyclictest647-21wc14:06:013
20674995216,31cyclictest5297-21fschecks_time15:40:563
20674995215,32cyclictest667-21runrttasks14:58:143
20674995212,34cyclictest574-21dbus-daemon16:15:403
20674995212,34cyclictest26647-21cut15:15:563
20674995211,34cyclictest29449-21needreboot13:56:073
2066899529,37cyclictest32011-21/usr/sbin/munin15:31:032
2066899528,38cyclictest6979-21df18:55:532
2066899528,38cyclictest30125-21/usr/sbin/munin15:25:572
2066899528,38cyclictest30125-21/usr/sbin/munin15:25:572
2066899527,39cyclictest32172-21ssh17:07:272
2066899527,39cyclictest12733-21ssh15:51:062
2066899527,39cyclictest11428-21basename14:35:522
2066899526,40cyclictest24500-21/usr/sbin/munin15:10:522
2066899525,41cyclictest0-21swapper/215:44:202
2066899524,43cyclictest0-21swapper/218:11:572
2066899524,43cyclictest0-21swapper/218:11:572
2066899524,43cyclictest0-21swapper/216:30:192
2066899524,42cyclictest0-21swapper/215:58:262
20668995213,33cyclictest0-21swapper/216:32:002
20668995212,34cyclictest0-21swapper/218:54:502
20668995212,34cyclictest0-21swapper/217:12:152
20668995212,34cyclictest0-21swapper/217:12:152
20668995210,36cyclictest378-21systemd-journal14:21:082
20668995210,36cyclictest20187-21vmstat16:01:122
2066099524,42cyclictest0-21swapper/118:17:291
2066099523,44cyclictest0-21swapper/118:22:461
2067499512,44cyclictest15945-21ps14:46:063
20674995116,29cyclictest23560-21grep16:06:123
20674995116,29cyclictest12114-21missed_timers17:25:583
20674995115,30cyclictest667-21runrttasks13:53:543
20674995115,30cyclictest10606-21cat16:36:053
20674995114,31cyclictest27441-21latency17:00:593
2066899517,38cyclictest27551-21ssh16:12:122
2066899517,38cyclictest20151-21ssh18:25:132
2066899517,38cyclictest13432-21diskstats14:40:572
2066899515,40cyclictest0-21swapper/217:29:472
2066899515,40cyclictest0-21swapper/216:52:422
20668995111,34cyclictest0-21swapper/216:06:452
20668995110,35cyclictest28248-21/usr/sbin/munin15:21:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional