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Commits on Dec 22, 2020

  1. block: fixed used bytes reporting 

    Signed-off-by: Iulian Barbu <iul@amazon.com>
Signed-off-by: Laura Loghin <lauralg@amazon.com>
    @iulianbarbu @acatangiu
    iulianbarbu authored and acatangiu committed Dec 22, 2020
    42a9764

  2. block: used bytes reporting regression test 

    Signed-off-by: Iulian Barbu <iul@amazon.com>
    @iulianbarbu @acatangiu
    iulianbarbu authored and acatangiu committed Dec 22, 2020
    95f282e

  3. Update patch block device docs. 

    Improved documentation by clearly describing the supported usecase and
potential issues that might arise if the feature is misused.

Signed-off-by: Andrei Sandu <sandreim@amazon.com>
    @sandreim
    sandreim committed Dec 22, 2020
    bd8c98e

  4. docs: randomness handling for microVM clones 

    Adds a high level overview on how randomness is handled in linux kernel;
Presents recommendations related to handling randomness when restoring
multiple microVM clones from a single snapshot

Signed-off-by: Radu Iliescu <riliescu@amazon.com>
    @raduiliescu @sandreim
    raduiliescu authored and sandreim committed Dec 22, 2020
    49832d2

  5. Added integration test for ENOSYS error code 

    Signed-off-by: Alexandru Cihodaru <cihodar@amazon.com>
    @AlexandruCihodaru
    AlexandruCihodaru committed Dec 22, 2020
    e0657d1

  6. Handle ENOSYS on aarch64 

    Added handler for ENOSYS in emulation loop.

Signed-off-by: Alexandru Cihodaru <cihodar@amazon.com>
    @AlexandruCihodaru
    AlexandruCihodaru committed Dec 22, 2020
    6e7b791

  7. Adjust m5d.metal VSOCK throughput baselines. 

    Signed-off-by: alindima <alindima@amazon.com>
    @alindima @AlexandruCihodaru
    alindima authored and AlexandruCihodaru committed Dec 22, 2020
    36bcaa8

  8. [aarch64] enable test_older_snapshot_resume_latency 

    Signed-off-by: Serban Iorga <seriorga@amazon.com>
    @serban300
    serban300 committed Dec 22, 2020
    2b3ddff

Commits on Dec 21, 2020

  1. CI: disable snapshot perf tests on AMD 

    There was a bug in the check where we try to disable
the snapshot performance related tests on AMD.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 21, 2020
    15a5f68

  2. CI: enable snapshot related test on ARM 

    Enabled load snapshot error handling integration
test on arm. Also, used the clasic microvm
fixture since the test does not need
to clone anything, is just a simple API test.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 21, 2020
    8f71ecb

  3. CI: create helper function in utils 

    This function periodically checks whether some
process still exists or not.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 21, 2020
    469e496

  4. ARM: add fatal error handling mechanism 

    This is the ARM enablement of commit
2672c5d.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 21, 2020
    c7e02cb

  5. docs: updated prod-host-setup.md 

    Updated `prod_host_setup.md` with recommendations to control the
output of serial device and log file such that users avoid
unexpected disk or memory usage on the host when guests flood
these with data.

Signed-off-by: George Pisaltu <gpl@amazon.com>
    @georgepisaltu @dianpopa
    georgepisaltu authored and dianpopa committed Dec 21, 2020
    15e232d

  6. docs: add example usage for merging diff snaps 

    Signed-off-by: George Pisaltu <gpl@amazon.com>
    @georgepisaltu @acatangiu
    georgepisaltu authored and acatangiu committed Dec 21, 2020
    b9e9d6a

  7. docs: reference the network connectivity for clones doc in the snap s… 

    …upport one

Signed-off-by: Radu Iliescu <riliescu@amazon.com>
    @raduiliescu @dianpopa
    raduiliescu authored and dianpopa committed Dec 21, 2020
    eb91ec9

  8. docs: add a user guide for ensuring network connectivity for clones 

    Signed-off-by: Radu Iliescu <riliescu@amazon.com>
    @raduiliescu @dianpopa
    raduiliescu authored and dianpopa committed Dec 21, 2020
    ac20585

  9. Add thread name to logger prefix. 

    As per issue #2117, add capability to logger to log current
thread name in the prefix. Add unit test that spawns named
thread and checks the logged prefix for that name.

Signed-off-by: sundar.preston.789@gmail.com <sundar.preston.789@gmail.com>

Co-authored-by: Kevin Guo <kev.guo123@gmail.com>
Signed-off-by: sundar.preston.789@gmail.com <sundar.preston.789@gmail.com>
    @Preston-Sundar @2018kguo @acatangiu
    2 people authored and acatangiu committed Dec 21, 2020
    82a5025

Commits on Dec 18, 2020

  1. CI: adjust coverage and startup time for arm 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    39bef5c

  2. jailer: unit test for cache info setup on arm 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    a39e26c

  3. fdt: regenerate device tree 

    Due to latest changes in the FDT architecture, we
need to regenerate the DTB's used in unit tests for
validating FDT structure.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    fbd563c

  4. CI: check cache topology for aarch64 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    80d7c3b

  5. CI: check cpu features on aarch64 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    d3c28d5

  6. CI: move topology related tests to new module 

    The tests ensuring the correctness of the CPU
and cache topology were moved to a new file
named "test_topology" for readability reasons.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    1bef310

  7. CI: use parametrize in cpu feature testing 

    Instead of defining functions for exercising
cpu features use parametrize.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    d9e70e9

  8. CI: move function to utils_cpuid 

    Also renamed the functions to something more
suggestive.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    7912666

  9. CI: create utils_cpuid module 

    Created a module for holding auxiliary
functions for testing cpu features.
Moved there the relevant functions.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    4384ef8

  10. jailer: copy cache info into chroot for aarch64 

    In order to setup the cache topology we need access
to the sysfs (i.e /sys/devices/system/cpu/cpuX/cache) cause
unfortunately the kernel does not offer the interface for
reading cache info (i.e CSSELR_ELI register which is essential
for doing that is not exposed).
However, once the jailer starts there is no access to the sysfs and
this PR helps with copying the minimal number of info which is needed
for setting up cache topology through FDT on aarch64.

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    3624c6c

  11. jailer: move auxiliary funcs to main 

    Moved "writeln_special" and "readln_special" to
main since these functions can be generally used
to read from special files (cgroups dedicated ones
or cache dedicated ones).

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    ba7ecf0

  12. jailer: remove superfluous visibility marker 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    e2d8294

  13. aarch64: setup cache topology 

    A new module was created for reading the
cache topology information from the host
and parsing it so that it can be appended
to the device tree.
The cache information is retrieved from the sysfs
of the host. Unfortunately, the kernel does not
offer the interface for retrieving the necessary
registers that hold cache information (i.e CSSELR_EL1).

Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    76528ea

  14. fdt: enable PSCI for all vcpus 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @sandreim
    dianpopa authored and sandreim committed Dec 18, 2020
    b0e1abc

  15. [aarch64][snap] update ICC regs state 

    Signed-off-by: Serban Iorga <seriorga@amazon.com>
    @serban300 @acatangiu
    serban300 authored and acatangiu committed Dec 18, 2020
    5eec8e7

  16. docs: known issues and limitations for aarch64 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @luminitavoicu
    dianpopa authored and luminitavoicu committed Dec 18, 2020
    59961c0

  17. doc: add snapshot related doc for aarch64 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @luminitavoicu
    dianpopa authored and luminitavoicu committed Dec 18, 2020
    a61509e

  18. doc: specify GA for Arm starting v0.24 

    Signed-off-by: Diana Popa <dpopa@amazon.com>
    @dianpopa @luminitavoicu
    dianpopa authored and luminitavoicu committed Dec 18, 2020
    a30e1f0
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