diff options
Diffstat (limited to 'tests/acceptance/tcg_plugins.py')
| -rw-r--r-- | tests/acceptance/tcg_plugins.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/acceptance/tcg_plugins.py b/tests/acceptance/tcg_plugins.py index b1ba10498f..c21bf9e52a 100644 --- a/tests/acceptance/tcg_plugins.py +++ b/tests/acceptance/tcg_plugins.py @@ -115,3 +115,34 @@ class PluginKernelNormal(PluginKernelBase): m = re.search(br"detected repeat execution @ (?P<addr>0x[0-9A-Fa-f]+)", s) if m is not None and "addr" in m.groupdict(): self.fail("detected repeated instructions") + + def test_aarch64_virt_mem_icount(self): + """ + :avocado: tags=accel:tcg + :avocado: tags=arch:aarch64 + :avocado: tags=machine:virt + :avocado: tags=cpu:cortex-a57 + """ + kernel_path = self._grab_aarch64_kernel() + kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE + + 'console=ttyAMA0') + console_pattern = 'Kernel panic - not syncing: VFS:' + + plugin_log = tempfile.NamedTemporaryFile(mode="r+t", prefix="plugin", + suffix=".log") + + self.run_vm(kernel_path, kernel_command_line, + "tests/plugin/libmem.so,arg=both", plugin_log.name, + console_pattern, + args=('-cpu', 'cortex-a53', '-icount', 'shift=1')) + + with plugin_log as lf, \ + mmap.mmap(lf.fileno(), 0, access=mmap.ACCESS_READ) as s: + m = re.findall(br"mem accesses: (?P<count>\d+)", s) + if m is None or len(m) != 2: + self.fail("no memory access counts found") + else: + inline = int(m[0]) + callback = int(m[1]) + if inline != callback: + self.fail("mismatched access counts") |