Since commit cbe6d6365a48 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 <waine...@redhat.com> --- python/qemu/accel.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/python/qemu/accel.py b/python/qemu/accel.py index 1b825126c5..a63ff980a9 100644 --- a/python/qemu/accel.py +++ b/python/qemu/accel.py @@ -18,6 +18,7 @@ accelerators. import logging import os +import subprocess LOG = logging.getLogger(__name__) @@ -28,6 +29,25 @@ ADDITIONAL_ARCHES = { "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("%s -accel help" % qemu_bin, shell=True) + except: + LOG.debug("Failed to get the list of accelerators in %s" % qemu_bin) + raise + lines = out.decode().splitlines() + # Skip the first line which is the header. + return [l.strip() for l in lines[1:] if l] + def kvm_available(target_arch=None): host_arch = os.uname()[4] if target_arch and target_arch != host_arch: -- 2.18.1