From nobody Mon Feb 9 17:58:44 2026 Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6FC4C190468 for ; Sun, 26 Jan 2025 10:17:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.60.130.6 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737886625; cv=none; b=i4B5Ayd8AbPi81pQ6f5bkf/012plt4imMAYw3KU0OxZenie1FYi1XWgadxRbJvEnDfgIqqAt+EyMZRK91OpN8tRTTqLetlYi7G3Nse6rdmW5P/UFGvJJeYKXShtymNdGU5p5nq4lMtfmUZeNJU1hGZnZGcd2e2RNtaCp+DR8Jjk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737886625; c=relaxed/simple; bh=M3SN7MPLGUM2nK0Je0aoi6GQZHIaxEO8JIbO28ajVz8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q5mUJhs9H8XNIp7A4aWt/TuD/ZEp2OCAFFSuFC3xWia/0mFQWwFGM+UJk0wT4QjeLQ5roPqlftUTs5WcE86IV971WsasR5hooXBFKnkrylKEBVvXcFs3YFKImMxlb10sYrZhnb/THKrkFZ6vZTOmuRvXspizAp2nkaf6y5HfN8A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=Bckny9E3; arc=none smtp.client-ip=178.60.130.6 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="Bckny9E3" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=Uhp8yg/et1zDGRAYLkxp3n7e2Rsaq16kuZHE776QPxI=; b=Bckny9E3Ex60GQFwo38aTID/em Tnanak9CUKg6rV1PPAJXcUSOQ5uj+OmT7re07sGsp71NK9CXsn8XJpDsUF4fX02nfwyI3XjVyDtCV M3You86w263+tYy4urYTVz5tlJASMHw3oeUH70cCVp+9hCFF0Bw282NzNJ/9oG/jZ1n5efJaCAP3Y ica5x1ub/o72zYUX1tVPrGvbZKaRfC+H+1FvBh7mbkxVCvwPqt8VdMS9Nms0oqnh/c2qzALgLVEGb H1IW/1CuOxneX7zDUI+Irl8m1kMkK1li02p351R0c2TjH0LuJ7sxwdinKq+Z4FuGYUL2H4cDwwSM4 P5AV9uZQ==; Received: from [58.29.143.236] (helo=localhost) by fanzine2.igalia.com with utf8esmtpsa (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1tbzhL-002lkA-0F; Sun, 26 Jan 2025 11:16:59 +0100 From: Changwoo Min To: tj@kernel.org, void@manifault.com, arighi@nvidia.com Cc: kernel-dev@igalia.com, linux-kernel@vger.kernel.org, Changwoo Min Subject: [PATCH v2 10/11] sched_ext: Add scx_bpf_event_stats() and scx_read_event() for BPF schedulers Date: Sun, 26 Jan 2025 19:16:13 +0900 Message-ID: <20250126101614.232388-11-changwoo@igalia.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250126101614.232388-1-changwoo@igalia.com> References: <20250126101614.232388-1-changwoo@igalia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" scx_bpf_event_stats() is added to the header files so the BPF scheduler can use it. Also, scx_read_event() is added to read an event type in a compatible way. Signed-off-by: Changwoo Min --- tools/sched_ext/include/scx/common.bpf.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/sched_ext/include/scx/common.bpf.h b/tools/sched_ext/inc= lude/scx/common.bpf.h index f3e15e9efa76..71db653c8eb2 100644 --- a/tools/sched_ext/include/scx/common.bpf.h +++ b/tools/sched_ext/include/scx/common.bpf.h @@ -78,6 +78,10 @@ struct rq *scx_bpf_cpu_rq(s32 cpu) __ksym; struct cgroup *scx_bpf_task_cgroup(struct task_struct *p) __ksym __weak; u64 scx_bpf_now(void) __ksym __weak; =20 +void scx_bpf_event_stats(struct scx_event_stats *events, size_t events__sz= ) __ksym __weak; +#define scx_read_event(e, name) \ + (bpf_core_field_exists((e)->name) ? (e)->name : 0) + /* * Use the following as @it__iter when calling scx_bpf_dsq_move[_vtime]() = from * within bpf_for_each() loops. --=20 2.48.1