From mboxrd@z Thu Jan 1 00:00:00 1970 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 49CF818A6DE for ; Sun, 26 Jan 2025 10:16:53 +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=1737886615; cv=none; b=UD80YqpGFCwD/rN22Amb3dhdA2TYct5hAw6KrbBAM9yMaqax/COUKQikoUGAsU7YYcKj9bTs0ytzmJqOII5FwFwEkdBP/npUVW6nNymMfIZYcU/H9ZStkhznRKEQte5WlPeYFKFjU5jEBmZmv1HvW2JgMzN3ruCrCs/dXmwSKA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737886615; c=relaxed/simple; bh=7bHON4e27xWbsJiRjtZTVY8cLmPu1U/T/7HEhj2W7kM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iX+u/ByFrgyiLs30xybeG+9NTm8C6OM8iT3spU8W3YAKah8jqVw63w5HZ2gVlawGfoAqZIYR6dOGnrCU8QcMN4sKpxNnI6XKbY20NFbDNEjEV2d+w+ACPbtVZrdFeFuygSNeIZX4CM5a1QqvCnPILvphCpxjsTtJTqlIv18zy40= 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=MuQSqPwg; 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="MuQSqPwg" 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=/vlVwR28KueFbCuYHtO3aKMp3rFjIy6xOaEP1Yibd+w=; b=MuQSqPwgx5pdMSvwJGgZOa6fpm HGQpbWMo56XnWvFDZc2yP/ImmmYxDwexJopIkQeUXzbZo+3+IhAZvMCbUnp/Qvtd1lYB+RH0OUfaY k8UIxQc2Xn5ZFqKVhmJBbc9cImm34G89WepGhxnr6u+BqFePIONEauMHyvfnehVjw9kt8TKM/fy3b qQ+54Rd1LZhWi2PdaSyn5OUoN8Kg2/DC4KmGNJK2VA/gmkkeF+GhzP3pm5LAFFgKftvjJg99tzWts ZsCqns751BBv2/ejNA4haCcGXVOftFBIpz7gux84JOfHYD7HE2G6WbMwW88vNbhw6m2h99hgB5kV+ rMXkU1gA==; 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 1tbzh9-002ljf-CG; Sun, 26 Jan 2025 11:16:47 +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 07/11] sched_ext: Add an event, BYPASS_ACTIVATE Date: Sun, 26 Jan 2025 19:16:10 +0900 Message-ID: <20250126101614.232388-8-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: 8bit Add a core event, BYPASS_ACTIVATE, which represents how many times the bypass mode has been triggered. Signed-off-by: Changwoo Min --- kernel/sched/ext.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 6dc86bc06596..bb363809e484 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -1485,6 +1485,11 @@ struct scx_event_stats { * is dispatched to a local DSQ when exiting. */ u64 ENQ_SKIP_EXITING; + + /* + * The number of times the bypassing mode has been activated. + */ + u64 BYPASS_ACTIVATE; }; /* @@ -3707,6 +3712,7 @@ static int select_task_rq_scx(struct task_struct *p, int prev_cpu, int wake_flag p->scx.slice = SCX_SLICE_DFL; p->scx.ddsp_dsq_id = SCX_DSQ_LOCAL; } + return cpu; } } @@ -4922,6 +4928,7 @@ static void scx_ops_bypass(bool bypass) WARN_ON_ONCE(scx_ops_bypass_depth <= 0); if (scx_ops_bypass_depth != 1) goto unlock; + scx_add_event(BYPASS_ACTIVATE, 1); } else { scx_ops_bypass_depth--; WARN_ON_ONCE(scx_ops_bypass_depth < 0); @@ -5517,6 +5524,7 @@ static void scx_dump_state(struct scx_exit_info *ei, size_t dump_len) scx_dump_event(s, &events, DISPATCH_LOCAL_DSQ_OFFLINE); scx_dump_event(s, &events, DISPATCH_KEEP_LAST); scx_dump_event(s, &events, ENQ_SKIP_EXITING); + scx_dump_event(s, &events, BYPASS_ACTIVATE); if (seq_buf_has_overflowed(&s) && dump_len >= sizeof(trunc_marker)) memcpy(ei->dump + dump_len - sizeof(trunc_marker), @@ -7848,6 +7856,7 @@ __bpf_kfunc void scx_bpf_event_stats(struct scx_event_stats *events, scx_agg_event(&e_sys, e_cpu, SELECT_CPU_FALLBACK); scx_agg_event(&e_sys, e_cpu, DISPATCH_LOCAL_DSQ_OFFLINE); scx_agg_event(&e_sys, e_cpu, DISPATCH_KEEP_LAST); + scx_agg_event(&e_sys, e_cpu, BYPASS_ACTIVATE); } /* -- 2.48.1