You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-05 - 05:44
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: 50 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 50 highest latencies:
System rack4slot2.osadl.org (updated Fri Dec 05, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012950,0irq/46-4a1000005880-1kworker/u3:019:04:210
7813999365,0cyclictest0-21swapper22:23:210
7350930,0irq/45-4a10000013689-21seq19:23:020
7350890,0irq/45-4a10000030195-1kworker/u3:120:13:170
7813998857,0cyclictest0-21swapper19:38:230
7450880,0irq/46-4a1000005604-21tune2fs20:33:210
7450880,0irq/46-4a10000012276-21wget22:28:110
7350870,0irq/45-4a10000019083-21modprobe00:22:480
98872860,0chrt9021-1kworker/u3:120:45:020
7450860,0irq/46-4a10000032015-21uptime21:48:510
7450860,0irq/46-4a10000029557-21df_inode21:43:170
7450860,0irq/46-4a10000029141-21/usr/sbin/munin20:08:050
7450860,0irq/46-4a10000025905-21sshd19:58:110
7450860,0irq/46-4a10000024617-21fschecks_time23:03:220
7450860,0irq/46-4a10000021287-21meminfo21:18:350
7450860,0irq/46-4a10000012214-21awk00:02:480
271012860,0chrt21810-1kworker/u3:021:35:390
2077128610,0sleep020764-21apt-get22:53:020
184492860,0chrt18426-1kworker/u3:119:36:040
7450850,0irq/46-4a10000021156-21chrt19:43:360
7450850,0irq/46-4a10000017371-21aten_r4power_cu22:43:040
7450850,0irq/46-4a10000014585-21ntpq20:59:350
7450850,0irq/46-4a10000014438-21fw_forwarded_lo22:33:590
275322850,0sleep027013-1kworker/u3:023:12:490
230032850,0sleep021810-1kworker/u3:019:48:430
7450840,0irq/46-4a1000009171-21fschecks_count22:18:200
7450840,0irq/46-4a1000006704-21sshd22:11:130
7450840,0irq/46-4a10000030913-21cron23:22:460
7450840,0irq/46-4a1000002999-21runrttasks21:58:520
7450840,0irq/46-4a1000002862-21sendmail_mailst23:33:460
7450840,0irq/46-4a10000024197-21apt00:37:470
7450840,0irq/46-4a1000002317-21if_eth020:23:350
7450840,0irq/46-4a10000022712-21diskstats21:23:190
7450840,0irq/46-4a10000021138-21df00:28:150
7450840,0irq/46-4a10000016982-21runrttasks19:32:490
7450840,0irq/46-4a10000011847-21chrt19:17:490
7350840,0irq/45-4a10000017229-1kworker/u3:221:13:240
7450830,0irq/46-4a1000009211-21diskstats23:53:190
7450830,0irq/46-4a1000008031-21users20:38:560
7450830,0irq/46-4a1000004609-21users20:29:100
7450830,0irq/46-4a100000443-21snmpd19:10:100
7450830,0irq/46-4a1000004066-21df_inode23:38:140
7450830,0irq/46-4a10000032022-21timerandwakeup23:23:490
7450830,0irq/46-4a10000027605-21expr20:03:090
7450830,0irq/46-4a10000024706-21/usr/sbin/munin19:53:450
7450830,0irq/46-4a10000024192-21wget21:28:100
7450830,0irq/46-4a10000019710-21awk22:48:390
7450830,0irq/46-4a10000017688-21fw_conntrack21:08:250
7450830,0irq/46-4a10000016076-21diskstats00:13:190
7450830,0irq/46-4a10000016075-21seq21:03:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional