From nobody Mon Feb 9 03:12:08 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 43E08221DAD for ; Fri, 16 Jan 2026 12:40:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768567219; cv=none; b=fjAj7QJcygfAiysGjil4os5Wy0Q9XnT40SqgaRI7dJiw01F3UeF205nct01bIFg4fmSg2sB2K6McZTuaY+53nQuJP6fJZJwV6Xw11VVROGQuJ1X3epZTE61gCkBz6wsGvDPleUfTzoa+e9hdZfTubrv+GEkfl5oxVc3p617tsL0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768567219; c=relaxed/simple; bh=4UD+SnAAX0lodvCZLx+z+BW1XPwJZhl5ZlWFHeHHh3o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=C/Y9HNp9fbZ53VL4AQBZjemFUsvu4pLe6yKMu/QbbOTCsPsYh/rJRfeIUf229Tz0B5Z4gzRvbhyeTxtVsXRo1xe47dUma0jUBNliGOAUPfsDmqWDVRYXo4XfgvQ/TrcVJYibaVs1xYpAGnnti76TeEE4fd3KBvj9TmY9+iON/S4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=eK8m9q53; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eK8m9q53" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1768567217; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QNd1KB7p8J7Y37ukeyYpfrZhAK4WvNl2ACkcfsCAniA=; b=eK8m9q53Bf7yDUarKBmdf2iIZf5XIxZHkc6YEIxgqJ8BIoK8amXqkYba3/wecSSNQ64jzM 628As3tOEmf50PAl1nm81uaRmvCxEbfb5RJHHvyzR6ICnn86kDo+brtBWWjZYcRecjsHyN DxWRULK/3EKFUkWOcw4TM35rNp+PDuI= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-534-3EctIpnQP7OPgoBkBGZziw-1; Fri, 16 Jan 2026 07:40:14 -0500 X-MC-Unique: 3EctIpnQP7OPgoBkBGZziw-1 X-Mimecast-MFC-AGG-ID: 3EctIpnQP7OPgoBkBGZziw_1768567213 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8D76619560BB; Fri, 16 Jan 2026 12:40:12 +0000 (UTC) Received: from gmonaco-thinkpadt14gen3.rmtit.csb (unknown [10.45.224.42]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5A8A91955F22; Fri, 16 Jan 2026 12:40:06 +0000 (UTC) From: Gabriele Monaco To: linux-kernel@vger.kernel.org, Steven Rostedt , Nam Cao , Juri Lelli , Ingo Molnar , Peter Zijlstra , Gabriele Monaco Cc: Phil Auld , Tomas Glozar , Clark Williams , John Kacur , linux-trace-kernel@vger.kernel.org Subject: [PATCH v4 08/15] sched: Export hidden tracepoints to modules Date: Fri, 16 Jan 2026 13:39:04 +0100 Message-ID: <20260116123911.130300-9-gmonaco@redhat.com> In-Reply-To: <20260116123911.130300-1-gmonaco@redhat.com> References: <20260116123911.130300-1-gmonaco@redhat.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 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Content-Type: text/plain; charset="utf-8" The tracepoints sched_entry, sched_exit and sched_set_need_resched are not exported to tracefs as trace events, this allows only kernel code to access them. Helper modules like [1] can be used to still have the tracepoints available to ftrace for debugging purposes, but they do rely on the tracepoints being exported. Export the 3 not exported tracepoints. Note that sched_set_state is already exported as the macro is called from modules. [1] - https://github.com/qais-yousef/sched_tp.git Fixes: adcc3bfa8806 ("sched: Adapt sched tracepoints for RV task model") Reviewed-by: Phil Auld Signed-off-by: Gabriele Monaco --- kernel/sched/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 60afadb6eede..6380afe3de63 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -119,6 +119,9 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_cfs_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_se_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_update_nr_running_tp); EXPORT_TRACEPOINT_SYMBOL_GPL(sched_compute_energy_tp); +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_entry_tp); +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_exit_tp); +EXPORT_TRACEPOINT_SYMBOL_GPL(sched_set_need_resched_tp); =20 DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); DEFINE_PER_CPU(struct rnd_state, sched_rnd_state); --=20 2.52.0