diff options
Diffstat (limited to 'docs/report/introduction/environment/sut_calib_zn2.rst')
-rw-r--r-- | docs/report/introduction/environment/sut_calib_zn2.rst | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/docs/report/introduction/environment/sut_calib_zn2.rst b/docs/report/introduction/environment/sut_calib_zn2.rst new file mode 100644 index 0000000000..19223cbf92 --- /dev/null +++ b/docs/report/introduction/environment/sut_calib_zn2.rst @@ -0,0 +1,65 @@ +EPYC Zen2 +~~~~~~~~~ + +Following sections include sample calibration data measured on server running in +one of the AMD EPYC testbeds. + +Linux cmdline +^^^^^^^^^^^^^ + +:: + + $ cat /proc/cmdline + BOOT_IMAGE=/boot/vmlinuz-5.15.0-46-generic root=UUID=cac1254f-9426-4ea6-a8db-2554f075db99 ro amd_iommu=on audit=0 default_hugepagesz=2M hugepagesz=1G hugepages=32 hugepagesz=2M hugepages=32768 hpet=disable iommu=pt isolcpus=1-15,17-31,33-47,49-63 nmi_watchdog=0 nohz_full=off nosoftlockup numa_balancing=disable processor.max_cstate=0 rcu_nocbs=1-15,17-31,33-47,49-63 tsc=reliable console=ttyS0,115200n8 quiet + +Linux uname +^^^^^^^^^^^ + +:: + + $ uname -a + Linux s60-t210-sut1 5.15.0-46-generic #49-Ubuntu SMP Thu Aug 4 18:03:25 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux + +System-level Core Jitter +^^^^^^^^^^^^^^^^^^^^^^^^ + +:: + + $ sudo taskset -c 3 /home/testuser/pma_tools/jitter/jitter -i 30 + Linux Jitter testing program version 1.9 + Iterations=20 + The pragram will execute a dummy function 80000 times + Display is updated every 20000 displayUpdate intervals + Thread affinity will be set to core_id:7 + Timings are in CPU Core cycles + Inst_Min: Minimum Excution time during the display update interval(default is ~1 second) + Inst_Max: Maximum Excution time during the display update interval(default is ~1 second) + Inst_jitter: Jitter in the Excution time during rhe display update interval. This is the value of interest + last_Exec: The Excution time of last iteration just before the display update + Abs_Min: Absolute Minimum Excution time since the program started or statistics were reset + Abs_Max: Absolute Maximum Excution time since the program started or statistics were reset + tmp: Cumulative value calcualted by the dummy function + Interval: Time interval between the display updates in Core Cycles + Sample No: Sample number + + Inst_Min,Inst_Max,Inst_jitter,last_Exec,Abs_min,Abs_max,tmp,Interval,Sample No + 116400,145848,29448,116400,116400,145848,2076377088,2375383296,1 + 116400,145848,29448,116400,116400,145848,388169728,2363555544,2 + 116400,145848,29448,116400,116400,145848,2994929664,2359881480,3 + 116400,145848,29448,116400,116400,145848,1306722304,2367487104,4 + 116400,145848,29448,116400,116400,145848,3913482240,2357721768,5 + 116400,145848,29448,116400,116400,145848,2225274880,2381723112,6 + 116400,145848,29448,116424,116400,145848,537067520,2373138432,7 + 116400,145848,29448,116424,116400,145848,3143827456,2372221464,8 + 116400,145848,29448,116400,116400,145848,1455620096,2365450272,9 + 116400,145848,29448,116400,116400,145848,4062380032,2364814440,10 + 116400,145848,29448,116400,116400,145848,2374172672,2375992608,11 + 116400,145848,29448,116400,116400,145848,685965312,2362608552,12 + 116400,145848,29448,116400,116400,145848,3292725248,2362597944,13 + 116400,145848,29448,145512,116400,145848,1604517888,2370049344,14 + 116400,145848,29448,116400,116400,145848,4211277824,2366291784,15 + 116400,145848,29448,116400,116400,145848,2523070464,2349077352,16 + 116400,145848,29448,116400,116400,145848,834863104,2375406360,17 + 116400,145848,29448,116400,116400,145848,3441623040,2373272976,18 + 116400,145848,29448,116400,116400,145848,1753415680,2382267192,19 + 116400,145848,29448,116400,116400,145848,65208320,2359406040,20 |