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Randy MacLeod 09cfb218cb valgrind: disable 256 ptests for aarch64
On qemuarm64 systems, about half of the valgrind tests fail and
often result in defunct processes, eg:
   root       819   818 25 00:12 pts/0    00:01:52 /usr/bin/valgrind --command-line-only=yes --memcheck:leak-check=no --tool=memcheck -q --track-origins=
   root       861   420  0 00:13 pts/0    00:00:00 [sh] <defunct>
Eventually these processes use so much memory that the
out of memory killer runs.

Hide the tests that fail as a horrid work-around until the
root cause has been resolved since this at least allows the
ptest run to complete. This work-around is done in the run-ptest
script using a sorted list of tests so that they can be easily
restored one by one without a rebuild during testing.

With core-image-minimal on qemuarm64:
Recipe         | Passed      | Failed   | Skipped   | Time(s)
valgrind       | 333         | 49       | 17        | 7637

(From OE-Core rev: 208023f8fcbf4aee34544a80f962ae25f25ffb8d)

Signed-off-by: Randy MacLeod <Randy.MacLeod@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2019-09-16 23:02:44 +01:00
2019-08-12 16:23:57 +01:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
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