mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
python/qemu: accel: Add list_accel() method
Since commit cbe6d6365a
the command `qemu -accel help` returns
the list of accelerators enabled in the QEMU binary. This adds
the list_accel() method which return that same list.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20191216191438.93418-3-wainersm@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Cleber Rosa <crosa@redhat.com>
This commit is contained in:
parent
8b272e0018
commit
1650c3e304
|
@ -14,7 +14,11 @@
|
|||
# the COPYING file in the top-level directory.
|
||||
#
|
||||
|
||||
import logging
|
||||
import os
|
||||
import subprocess
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
# Mapping host architecture to any additional architectures it can
|
||||
# support which often includes its 32 bit cousin.
|
||||
|
@ -23,6 +27,25 @@
|
|||
"aarch64" : "armhf"
|
||||
}
|
||||
|
||||
def list_accel(qemu_bin):
|
||||
"""
|
||||
List accelerators enabled in the QEMU binary.
|
||||
|
||||
@param qemu_bin (str): path to the QEMU binary.
|
||||
@raise Exception: if failed to run `qemu -accel help`
|
||||
@return a list of accelerator names.
|
||||
"""
|
||||
if not qemu_bin:
|
||||
return []
|
||||
try:
|
||||
out = subprocess.check_output([qemu_bin, '-accel', 'help'],
|
||||
universal_newlines=True)
|
||||
except:
|
||||
LOG.debug("Failed to get the list of accelerators in %s", qemu_bin)
|
||||
raise
|
||||
# Skip the first line which is the header.
|
||||
return [acc.strip() for acc in out.splitlines()[1:]]
|
||||
|
||||
def kvm_available(target_arch=None):
|
||||
host_arch = os.uname()[4]
|
||||
if target_arch and target_arch != host_arch:
|
||||
|
|
Loading…
Reference in a new issue