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[PATCH v3 13/30] tests/vm: allow us to take advantage of MTTCG
From: |
Alex Bennée |
Subject: |
[PATCH v3 13/30] tests/vm: allow us to take advantage of MTTCG |
Date: |
Fri, 26 Jun 2020 19:13:40 +0100 |
We currently limit TCG guests to -smp 1 but now we have added some
aarch64 guests we can do better when running on x86_64 hardware.
Raise the limit for TCG guests when it is safe to do so.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Robert Foley <robert.foley@linaro.org>
---
tests/vm/basevm.py | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tests/vm/basevm.py b/tests/vm/basevm.py
index 890bbc5549a..b8c60803e2d 100644
--- a/tests/vm/basevm.py
+++ b/tests/vm/basevm.py
@@ -553,6 +553,12 @@ def parse_args(vmcls):
def get_default_jobs():
if kvm_available(vmcls.arch):
return multiprocessing.cpu_count() // 2
+ elif os.uname().machine == "x86_64" and \
+ vmcls.arch in ["aarch64", "x86_64", "i386"]:
+ # MTTCG is available on these arches and we can allow more cores.
+ # But only up to a reasonable limit. User can always override
+ # these limits with --jobs.
+ return min(multiprocessing.cpu_count() // 2, 8)
else:
return 1
--
2.20.1
- [PATCH v3 06/30] tests/vm: Add common Ubuntu python module, (continued)
- [PATCH v3 06/30] tests/vm: Add common Ubuntu python module, Alex Bennée, 2020/06/26
- [PATCH v3 09/30] tests/vm: change scripts to use self._config, Alex Bennée, 2020/06/26
- [PATCH v3 18/30] gitlab: introduce explicit "container" and "build" stages, Alex Bennée, 2020/06/26
- [PATCH v3 12/30] tests/vm: switch from optsparse to argparse, Alex Bennée, 2020/06/26
- [PATCH v3 08/30] tests/vm: Added a new script for centos.aarch64., Alex Bennée, 2020/06/26
- [PATCH v3 10/30] python/qemu: Add ConsoleSocket for optional use in QEMUMachine, Alex Bennée, 2020/06/26
- [PATCH v3 11/30] tests/vm: Add workaround to consume console, Alex Bennée, 2020/06/26
- [PATCH v3 17/30] gitlab-ci: Fix the change rules after moving the YML files, Alex Bennée, 2020/06/26
- [PATCH v3 21/30] gitlab: build containers with buildkit and metadata, Alex Bennée, 2020/06/26
- [PATCH v3 13/30] tests/vm: allow us to take advantage of MTTCG,
Alex Bennée <=
- [PATCH v3 30/30] containers.yml: build with docker.py tooling, Alex Bennée, 2020/06/26
- [PATCH v3 16/30] .gitignore: un-ignore .gitlab-ci.d, Alex Bennée, 2020/06/26
- [PATCH v3 14/30] tests/docker: check for an parameters not empty string, Alex Bennée, 2020/06/26
- [PATCH v3 20/30] gitlab: convert jobs to use custom built containers, Alex Bennée, 2020/06/26
- [PATCH v3 26/30] gitlab: enable check-tcg for linux-user tests, Alex Bennée, 2020/06/26