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[PATCH v1 12/12] tests/acceptance: add a new tests to detect counting er
From: |
Alex Bennée |
Subject: |
[PATCH v1 12/12] tests/acceptance: add a new tests to detect counting errors |
Date: |
Tue, 9 Feb 2021 18:27:48 +0000 |
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.bennee@linaro.org>
---
tests/acceptance/tcg_plugins.py | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/tests/acceptance/tcg_plugins.py b/tests/acceptance/tcg_plugins.py
index b512979769..acab599505 100644
--- a/tests/acceptance/tcg_plugins.py
+++ b/tests/acceptance/tcg_plugins.py
@@ -101,3 +101,34 @@ class PluginKernelNormal(PluginKernelBase):
else:
logger.debug("Failed to find instruction count")
self.fail
+
+ 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", delete=False)
+
+ self.run_vm(kernel_path, kernel_command_line,
+ "tests/plugin/libinsn.so", plugin_log.name,
+ console_pattern,
+ args=('-cpu', 'cortex-a53', '-icount', 'shift=1'))
+
+ logger = logging.getLogger()
+
+ 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():
+ logger.debug("detected repeat instructions")
+ self.fail("detected repeated instructions")
+ else:
+ logger.debug("no repeats detected: %s", m)
--
2.20.1
- [PATCH v1 00/12] fix plugins double counting with mmio, cleanup CF_ flags, Alex Bennée, 2021/02/09
- [PATCH v1 01/12] exec: Move TranslationBlock typedef to qemu/typedefs.h, Alex Bennée, 2021/02/09
- [PATCH v1 04/12] target/sh4: Create superh_io_recompile_replay_branch, Alex Bennée, 2021/02/09
- [PATCH v1 03/12] target/mips: Create mips_io_recompile_replay_branch, Alex Bennée, 2021/02/09
- [PATCH v1 02/12] accel/tcg: Create io_recompile_replay_branch hook, Alex Bennée, 2021/02/09
- [PATCH v1 05/12] tests/plugin: expand insn test to detect duplicate instructions, Alex Bennée, 2021/02/09
- [PATCH v1 09/12] accel/tcg: re-factor non-RAM execution code, Alex Bennée, 2021/02/09
- [PATCH v1 12/12] tests/acceptance: add a new tests to detect counting errors,
Alex Bennée <=
- [PATCH v1 11/12] accel/tcg: allow plugin instrumentation to be disable via cflags, Alex Bennée, 2021/02/09
- [PATCH v1 07/12] accel/tcg: actually cache our partial icount TB, Alex Bennée, 2021/02/09
- [PATCH v1 08/12] accel/tcg: cache single instruction TB on pending replay exception, Alex Bennée, 2021/02/09
- [PATCH v1 06/12] tests/acceptance: add a new set of tests to exercise plugins, Alex Bennée, 2021/02/09
- [PATCH v1 10/12] accel/tcg: remove CF_NOCACHE and special cases, Alex Bennée, 2021/02/09
- Re: [PATCH v1 00/12] fix plugins double counting with mmio, cleanup CF_ flags, no-reply, 2021/02/11