You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-03-17 - 09:34
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackcslot2.osadl.org (updated Mon Mar 17, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1556827856,17sleep00-21swapper/019:04:250
1556326754,8sleep10-21swapper/119:04:221
191012660,0sleep00-21swapper/000:21:330
51652640,0sleep00-21swapper/021:58:560
45672550,1sleep13632-21/usr/sbin/munin20:03:591
227312460,0sleep00-21swapper/022:20:520
2843223210,9sleep191rcu_preempt00:33:591
16155993013,14cyclictest13622-21apache222:32:141
16155993010,2cyclictest0-21swapper/121:33:151
16155993010,19cyclictest0-21swapper/122:36:241
16154992910,12cyclictest0-21swapper/022:49:200
16155992824,3cyclictest231ktimersoftd/122:26:271
16155992823,3cyclictest13596-21apache222:44:181
16154992816,8cyclictest16152-21cyclictest22:08:520
16155992711,10cyclictest97850irq/107-eth1-rx22:05:541
16154992719,5cyclictest13622-21apache223:15:440
1615499271,20cyclictest0-21swapper/022:33:450
1615599265,2cyclictest0-21swapper/121:11:041
1615599261,24cyclictest0-21swapper/122:39:451
1615499268,17cyclictest21045-21kworker/u4:123:22:030
16154992624,1cyclictest7-21ksoftirqd/021:58:390
16154992622,3cyclictest31459-21ssh23:55:340
16154992622,3cyclictest31459-21ssh23:55:340
1615499261,8cyclictest28899-21ssh22:29:140
16154992610,1cyclictest0-21swapper/023:11:080
1615499260,0cyclictest3255-21ssh21:15:370
1615499260,0cyclictest0-21swapper/022:27:560
16155992515,8cyclictest25209-21ssh21:43:281
1615599250,17cyclictest24835-21rm23:48:401
16154992521,3cyclictest13596-21apache200:10:300
16154992510,0cyclictest0-21swapper/021:13:250
1615499250,2cyclictest0-21swapper/019:13:550
16155992411,4cyclictest0-21swapper/122:20:181
1615599240,3cyclictest1507-21irqstats21:13:561
1615599240,20cyclictest27082-21ssh21:46:521
16154992424,0cyclictest7-21ksoftirqd/021:18:580
16154992416,3cyclictest0-21swapper/000:29:160
16154992410,1cyclictest0-21swapper/022:18:380
1615499240,3cyclictest0-21swapper/000:01:560
1615599234,6cyclictest0-21swapper/119:33:571
16155992319,2cyclictest10276-21grep20:18:571
16155992312,8cyclictest28473-21diskmemload21:27:431
16155992310,12cyclictest0-21swapper/122:09:591
1615499235,12cyclictest0-21swapper/019:38:520
16154992320,2cyclictest717-21snmpd20:52:190
16154992316,6cyclictest13622-21apache221:49:400
1615499231,3cyclictest0-21swapper/022:58:110
16155992221,1cyclictest0-21swapper/120:32:441
16155992216,0cyclictest16152-21cyclictest20:43:501
1615599221,4cyclictest0-21swapper/121:21:451
16155992214,2cyclictest10005-21ntp_offset23:28:521
16155992210,5cyclictest0-21swapper/121:48:471
16155992210,2cyclictest0-21swapper/121:03:491
1615499222,2cyclictest91rcu_preempt20:43:550
16154992221,1cyclictest666-21nscd23:33:540
16155992119,1cyclictest13596-21apache223:44:161
16155992116,3cyclictest7697-21ssh23:26:211
16155992111,5cyclictest0-21swapper/122:48:491
16155992110,8cyclictest28473-21diskmemload21:54:021
16155992110,7cyclictest0-21swapper/123:08:511
16155992110,5cyclictest0-21swapper/120:23:551
16155992110,4cyclictest0-21swapper/100:19:011
16155992110,3cyclictest0-21swapper/122:55:241
16155992110,1cyclictest0-21swapper/120:33:581
16155992110,10cyclictest0-21swapper/100:25:001
1615599210,2cyclictest0-21swapper/123:40:361
1615599210,19cyclictest0-21swapper/100:30:201
1615499213,9cyclictest18190-21diskstats23:38:540
1615499213,10cyclictest0-21swapper/021:30:190
16154992121,0cyclictest0-21swapper/023:43:540
16154992120,0cyclictest7-21ksoftirqd/021:33:580
16154992118,2cyclictest7-21ksoftirqd/020:13:390
16154992114,5cyclictest13622-21apache221:05:020
16154992110,2cyclictest0-21swapper/000:27:570
16154992110,0cyclictest0-21swapper/000:04:220
1615499210,4cyclictest0-21swapper/022:05:080
891122010,0sleep10-21swapper/120:15:401
16155992017,2cyclictest817-21apache220:01:001
16155992014,2cyclictest16152-21cyclictest23:15:381
16155992013,5cyclictest13622-21apache200:02:321
16155992012,4cyclictest11129-21ssh00:12:181
1615599201,15cyclictest0-21swapper/100:14:551
16155992010,6cyclictest0-21swapper/120:59:061
16155992010,5cyclictest0-21swapper/119:53:511
16155992010,4cyclictest0-21swapper/123:55:591
16155992010,4cyclictest0-21swapper/123:55:591
16155992010,3cyclictest0-21swapper/123:21:251
1615499206,8cyclictest0-21swapper/019:29:000
1615499203,8cyclictest0-21swapper/020:18:510
1615499203,10cyclictest97850irq/107-eth1-rx23:07:350
16154992019,0cyclictest7-21ksoftirqd/020:03:390
16154992017,2cyclictest13596-21apache200:36:110
16154992011,2cyclictest7-21ksoftirqd/023:24:030
16154992010,6cyclictest0-21swapper/022:38:410
16154992010,5cyclictest0-21swapper/020:40:110
16154992010,4cyclictest0-21swapper/022:43:390
16154992010,4cyclictest0-21swapper/020:13:580
16154992010,4cyclictest0-21swapper/019:23:550
16154992010,0cyclictest0-21swapper/023:49:370
1615599193,10cyclictest0-21swapper/119:38:521
1615599192,14cyclictest0-21swapper/120:38:591
1615599191,10cyclictest0-21swapper/119:13:501
16155991910,3cyclictest0-21swapper/122:13:441
16155991910,0cyclictest0-21swapper/122:02:311
1615499194,7cyclictest0-21swapper/019:53:520
16154991919,0cyclictest0-21swapper/021:47:120
16154991917,1cyclictest7-21ksoftirqd/021:25:170
1615499191,4cyclictest0-21swapper/021:39:180
16154991914,4cyclictest13596-21apache221:00:510
16154991913,2cyclictest16152-21cyclictest19:53:390
16154991910,6cyclictest0-21swapper/000:14:010
16154991910,5cyclictest0-21swapper/020:29:010
16154991910,3cyclictest0-21swapper/023:00:250
1615499190,3cyclictest91rcu_preempt23:31:130
16155991814,2cyclictest7207-21seq00:07:571
16155991813,2cyclictest20508-21if_eth119:18:531
16155991810,3cyclictest0-21swapper/121:38:291
16155991810,2cyclictest0-21swapper/123:37:591
16155991810,2cyclictest0-21swapper/123:01:541
1615599180,17cyclictest0-21swapper/119:28:501
1615499183,7cyclictest24642-21perf20:58:390
1615499182,5cyclictest0-21swapper/019:18:560
16154991810,8cyclictest0-21swapper/020:03:580
16154991810,5cyclictest0-21swapper/019:48:360
16154991810,4cyclictest0-21swapper/020:37:010
1615599175,9cyclictest31423-21ls19:48:551
1615599175,7cyclictest21941-21/usr/sbin/munin19:23:511
1615599175,4cyclictest1111-21runrttasks19:08:521
1615599173,7cyclictest0-21swapper/120:08:531
16155991710,1cyclictest0-21swapper/123:07:191
1615599170,5cyclictest0-21swapper/120:48:551
16154991714,2cyclictest13596-21apache219:09:540
1615499171,1cyclictest1111-21runrttasks19:38:010
1615599162,5cyclictest13602-21apache220:53:501
16154991610,3cyclictest0-21swapper/020:23:510
16155991311,1cyclictest13596-21apache219:44:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional