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b=SutzdAv5FmZPQLzQd5uxJiGRCyX33vYX8YZ6a9jyu9gW6/MSmjfCPZHCgt2dLLuR4 NahuqXySvzmk4Ncl4QfHBqqz0F8uCvIX2Bt9xE8KBvmuDrr0NkYfQ5NYE7GfO0oOuS dQeY40T9lZ06fq8ew4Oqsf5xagcKtI4KwVx9KftQB5YSN8dlwtKwFgX7Q1HulkF+BU qKvXBrsMa3jekBKzPi6Oh0+rrOjf3qNx9Bz8uBowfGmMl9F+Wmt1z3XK7rPRsQTFw7 NeH6JuyVBQ3o3R/YMuF7wITjp9leHWbMxAROdtmA9xlIhJNjd3JKgqOF2IV0DazRVe x1/XdEJnlr+nQ== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Shuah Khan , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 2/6] selftests/damon/_damon_sysfs: set Kdamond.pid in start() Date: Sun, 22 Jun 2025 14:03:26 -0700 Message-Id: <20250622210330.40490-3-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250622210330.40490-1-sj@kernel.org> References: <20250622210330.40490-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Stat-Signature: bajqfwz3zo3qhehbozf7en6ua1znp85b X-Rspam-User: X-Rspamd-Queue-Id: 48FFB140007 X-HE-Tag: 1750626218-992908 X-HE-Meta: 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 p00vTvSQ aKXVAv+Z9IrmsRiWNug/ORaJhRa6fKwfi3YfXWqhBNYTNqynsViIMYth8ZSgCknDYptbkS0gceZgpdI8BHOb2voS/GIXqWBVVhW7HIAGyvNjhrpsXnw1Bj2/51Xmg+RcmkF5uYwvzuahR9yFoMWCY1OD6u1O/5E1Hld+UIrsoXYSbtLH+Ho2Dzq6ld3XO2T/ITAWvstkF8JZRuFFwCUI/usjRwobMJAJP+q3MixUtjjbZgW+2MsHHdiyntPY4eFrVVv9jQNRyCg45t8oT5vOWTznlKQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: _damon_sysfs.py is a Python module for reading and writing DAMON sysfs for testing. It is not reading resulting kdamond pids. Read and update those when starting kdamonds. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/_damon_sysfs.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 5b1cb6b3ce4e..f587e117472e 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -408,6 +408,9 @@ class Kdamond: if err is not None: return err err = write_file(os.path.join(self.sysfs_dir(), 'state'), 'on') + if err is not None: + return err + self.pid, err = read_file(os.path.join(self.sysfs_dir(), 'pid')) return err def stop(self): -- 2.39.5