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[23.116.43.216]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7e695d176dasm1812846a34.16.2026.05.29.09.57.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2026 09:57:04 -0700 (PDT) From: Ravi Jonnalagadda To: sj@kernel.org, akinobu.mita@gmail.com, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Cc: akpm@linux-foundation.org, corbet@lwn.net, bijan311@gmail.com, ajayjoshi@micron.com, honggyu.kim@sk.com, yunjeong.mun@sk.com, ravis.opensrc@gmail.com Subject: [RFC PATCH 3/6] mm/damon/sysfs: install perf_events on apply Date: Fri, 29 May 2026 09:56:37 -0700 Message-ID: <20260529165640.820-4-ravis.opensrc@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260529165640.820-1-ravis.opensrc@gmail.com> References: <20260529165640.820-1-ravis.opensrc@gmail.com> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Call damon_sysfs_add_perf_events() from damon_sysfs_apply_inputs() so events configured under sample/perf_events/ get attached to the damon_ctx when the kdamond starts. Signed-off-by: Ravi Jonnalagadda --- mm/damon/sysfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 9f71871a249d8..bc4a931fe3f0a 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2092,6 +2092,9 @@ static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, return err; err = damon_sysfs_set_sample_control(&ctx->sample_control, sys_ctx->attrs->sample); + if (err) + return err; + err = damon_sysfs_add_perf_events(ctx, sys_ctx->attrs->sample); if (err) return err; err = damon_sysfs_add_targets(ctx, sys_ctx->targets); -- 2.43.0