2n-zn2 Epyc backport

[csit.git] / docs / report / introduction / test_environment_sut_calib_zn2.rst

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+EPYC Zen2
+~~~~~~~~~
+
+Following sections include sample calibration data measured on
+s60-t210-sut1 server running in one of the AMD EPYC testbeds as
+specified in `FD.io CSIT testbeds - EPYC Zen2`_.
+
+
+Linux cmdline
+^^^^^^^^^^^^^
+
+::
+
+    $ cat /proc/cmdline
+    BOOT_IMAGE=/boot/vmlinuz-4.15.0-72-generic root=UUID=1672f0ef-755e-4a26-884d-02a3f4ac933c ro isolcpus=1-15,33-47,17-31,49-63 nohz_full=1-15,33-47,17-31,49-63 rcu_nocbs=1-15,33-47,17-31,49-63 numa_balancing=disable amd_iommu=on iommu=pt nmi_watchdog=0 audit=0 nosoftlockup processor.max_cstate=0 hpet=disable tsc=reliable mce=off splash quiet vt.handoff=1
+
+
+Linux uname
+^^^^^^^^^^^
+
+::
+
+    $ uname -a
+    Linux s60-t210-sut1 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 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
+    116376,145848,29472,116376,116376,145848,3399090176,2350958712,1
+    116376,145848,29472,116400,116376,145848,4158259200,2355136968,2
+    116376,145848,29472,116376,116376,145848,622460928,2343355128,3
+    116376,145848,29472,116376,116376,145848,1381629952,2362905912,4
+    116376,145848,29472,116400,116376,145848,2140798976,2344101768,5
+    116376,145848,29472,116376,116376,145848,2899968000,2341791912,6
+    116376,145848,29472,116400,116376,145848,3659137024,2340794664,7
+    116376,145848,29472,116400,116376,145848,123338752,2336863896,8
+    116376,145752,29376,116400,116376,145848,882507776,2335339584,9
+    116376,145512,29136,116376,116376,145848,1641676800,2335619160,10
+    116376,145512,29136,116400,116376,145848,2400845824,2335646280,11
+    116376,145848,29472,116400,116376,145848,3160014848,2350534872,12
+    116376,145848,29472,116400,116376,145848,3919183872,2348972352,13
+    116376,145848,29472,116400,116376,145848,383385600,2363157840,14
+    116376,145848,29472,116400,116376,145848,1142554624,2349686904,15
+    116376,145848,29472,116400,116376,145848,1901723648,2356550976,16
+    116376,145848,29472,119304,116376,145848,2660892672,2365225944,17
+    116376,145848,29472,116400,116376,145848,3420061696,2365215576,18
+    116376,145848,29472,116400,116376,145848,4179230720,2349971088,19
+    116376,145848,29472,116400,116376,145848,643432448,2339421384,20"
+
+
+Memory Bandwidth
+^^^^^^^^^^^^^^^^
+
+::
+
+    $ sudo /home/testuser/mlc --bandwidth_matrix
+    TBC
+
+::
+
+    $ sudo /home/testuser/mlc --peak_injection_bandwidth
+    TBC
+
+::
+
+    $ sudo /home/testuser/mlc --max_bandwidth
+    TBC
+
+
+Memory Latency
+^^^^^^^^^^^^^^
+
+::
+
+    $ sudo /home/testuser/mlc --latency_matrix
+    TBC
+
+::
+
+    $ sudo /home/testuser/mlc --idle_latency
+    TBC
+
+::
+
+    $ sudo /home/testuser/mlc --loaded_latency
+    TBC
+
+
+L1/L2/LLC Latency
+^^^^^^^^^^^^^^^^^
+
+::
+
+    $ sudo /home/testuser/mlc --c2c_latency
+    TBC
+
+.. include:: ../introduction/test_environment_sut_meltspec_zn2.rst