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Add consume memory repeat times #3996

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Sep 9, 2024
Merged

Add consume memory repeat times #3996

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5 changes: 3 additions & 2 deletions virttest/utils_libvirt/libvirt_memory.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,19 +71,20 @@ def normalize_mem_size(mem_size, mem_unit):
return int(mem_size * 1024**mem_unit_idx)


def consume_vm_freememory(vm_session, consume_value=100000):
def consume_vm_freememory(vm_session, consume_value=100000, repeat_times=1):
"""
Verify the free memory of the vm can be consumed normally

:param vm_session: vm session
:param consume_value: consume value , default 100000
:param repeat_times: consume memory times, default 1
"""
vm_session.cmd_status("swapoff -a")
free_mem = utils_memory.freememtotal(vm_session)
if not utils_package.package_install("numactl", vm_session):
raise exceptions.TestError(
"Fail to install package 'numactl' which provides command 'memhog'"
)
cmd = "memhog %dk" % (free_mem - consume_value)
cmd = "memhog -r%d %dk" % (repeat_times, (free_mem - consume_value))
status, stdout = vm_session.cmd_status_output(cmd, timeout=60)
return (status, stdout)
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