The insn plugin has a simple heuristic to detect if an instruction is
detected running twice in a row. Check the plugin log after the run
and pass accordingly.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
Tested-by: Wainer dos Santos Moschetta <waine...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Message-Id: <20210210221053.18050-22-alex.ben...@linaro.org>
---
v3
- remove delete=False from log file
- remove excess logging
---
tests/acceptance/tcg_plugins.py | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/tests/acceptance/tcg_plugins.py b/tests/acceptance/tcg_plugins.py
index adec40d3a5..b1ba10498f 100644
--- a/tests/acceptance/tcg_plugins.py
+++ b/tests/acceptance/tcg_plugins.py
@@ -89,3 +89,29 @@ class PluginKernelNormal(PluginKernelBase):
m = re.search(br"insns: (?P<count>\d+)", s)
if "count" not in m.groupdict():
self.fail("Failed to find instruction count")
+
+ def test_aarch64_virt_insn_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/libinsn.so", 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.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")
--
2.20.1
