From nobody Sun Dec 14 11:35:20 2025 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 8801A1E8854 for ; Tue, 4 Feb 2025 05:21:36 +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=1738646498; cv=none; b=TT2gVieXz7DnxkY75n1N26iqTeeo/9TJW1biwJGA9hFAkqUxodhqSdxz+erB9v+r+zOW9zFAvXcnLyPTOVw+IdJpbvOT1F0KQxUX1f1R5YH5MMiS7qA79hie55oZOFrWtUfhOnFQwb39n8t3/8XvP2RrHx3hiTwv84BGARYk9AY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738646498; c=relaxed/simple; bh=xGzOpu46J/pEbp7eS4KAB9SmuNGR4NioxujNLnmZVX4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J8SzzLcmiQ8vWkwtOcQlV2S6WeXM9qZOJK1Q75jsAAn0mEXZr/mC2+ovVcO6BXKz3bweZe+aakVGzeSptRM+1af3By2Y+GpHw+c5RbXtMF+QyU4j5ETwkPkYjir9W5UagfhD/fYBNAzHmQJwsWYq+S4QmsKn3GMgQuNWtvZNXq8= 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=TZFYqonv; 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="TZFYqonv" 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=mJXdIHsaQ9xrkYh9iKL0c3bdzWJdi9zL99QOPdxOmVc=; b=TZFYqonvq+v57NHTtx9mdlLl9g PT0uem6BusBUvxZ88gbsPHXKqHAZnKzJMDzSHGglhFeV+0cL3/8gFYknKkTNBULSYoMOXtMpdZbJP q8o7yqmlndGqtabzeHv18G9XrxGLEd5eMPNKEYVXT/vFn0IOgIsvWKLuTojWRRuNw3h2KDM9j4bJa qDwEgUcQ2oIEwM4KDtGB80d8IO3K1Xi2JvmL3y5KfxrGu6XWyRbIU66jeEhzvVQlf3ywRQ1nDeJnX piVLtisY9RqabQavhLTScxQnIXwJctjcP81enscIRTRZYnXbMdw8Ey8mjqEhQBbePiNEcLw0Y3pNj 9A1y3khQ==; 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 1tfBNE-003J2E-ON; Tue, 04 Feb 2025 06:21:31 +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 v4 5/7] sched_ext: Add scx_bpf_events() and scx_read_event() for BPF schedulers Date: Tue, 4 Feb 2025 14:20:55 +0900 Message-ID: <20250204052057.67776-6-changwoo@igalia.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250204052057.67776-1-changwoo@igalia.com> References: <20250204052057.67776-1-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_events() 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 d72b60a0c582..ae717f4d6ede 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_events(struct scx_event_stats *events, size_t events__sz) __k= sym __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