From nobody Fri Oct 3 14:34:21 2025 Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) (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 D99C31E32BE; Fri, 29 Aug 2025 02:18:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756433891; cv=none; b=qupyXHLlS7hQxvTvFr4gRJ0jqGLWPYKa5imY2NFopP5TEgH8CXHu7nQYdhiXO3U+CuOY9QRsuykIwhFLtet4x+koYstGEKfcs7EbbRHrcb8Fxwkiwl16wXUWrwNg9y/LzCFRjIn/rt1lSDv7BCDu0AFf8lEgHr3uQE/ENlyaecE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756433891; c=relaxed/simple; bh=zPImQ+S2+bHhXt3/ANQ8J2V6d3n857iAaQD+q/4oskw=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=JCjLnuXSllFRicaWXpzgJ/7Rz69B17OK02wXnp5IxR1vEd2SlcPFVwY0MLOJumJ7sCBzNvgcc6/E1gj7LSpxP4+TwxOzjSGsEj699KEt5fv0KSJ9gMpIwnL9AkdPp3QJnnZUEclmOUTe1PGxBQZLWIDV7mxyrDc6/dG7aUMZF3A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 68A861192D6; Fri, 29 Aug 2025 02:18:02 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf17.hostedemail.com (Postfix) with ESMTPA id A458F19; Fri, 29 Aug 2025 02:18:00 +0000 (UTC) Date: Thu, 28 Aug 2025 22:17:59 -0400 From: Steven Rostedt To: LKML , Linux trace kernel , linux-wireless@vger.kernel.org Cc: Masami Hiramatsu , Mathieu Desnoyers , Johannes Berg Subject: [PATCH] cfg80211: Remove unused tracepoints Message-ID: <20250828221759.131160ee@batman.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Stat-Signature: dksocuffydty3ausz59s7nha8f7q8jnf X-Rspamd-Server: rspamout05 X-Rspamd-Queue-Id: A458F19 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+VFm/Vr4/2aUDNPbM/CaHBykL/3/sP+EY= X-HE-Tag: 1756433880-90718 X-HE-Meta: U2FsdGVkX19djLNOA9fsDBdUBzRNk8elZK/ZlmS2qU4kZ+A/uafVQnZHNU/JujwdOswNiCKHl6AjZ5sM86iKUMmsNCkzldmtBe398xRS0SwK8XPQmnK+gXOsKB45OrTEkcoQGSu20P6drrkNw/RKbTl8bi+iUsDWz/rdwKJ0k/54+VN//yAN9eljtmNL2MEWyadJQyM1xq8oXvm5q1xJxo2EBJbH/Qp6V8PCnQeR5nmW4pi3dDZNYDR+AMA0TcUIMaAFLO0tbYR+3lNg3+LqEOVecufWA4/CDpJILdMCX/6bWeWOeao8wFJKhxNglJ6y+yuNV0HJ9UKLqQMGQ/A7WNXN1ke/piT4i+pRLBmFyswtL0R3Ae8VgPxJfr/Zdovi Content-Type: text/plain; charset="utf-8" From: Steven Rostedt Tracepoints that are defined take up around 5K each, even if they are not used. If they are defined and not used, then they waste memory for unused code. Soon unused tracepoints will cause warnings. Remove the unused tracepoints of the cfg80211 subsystem. They are: cfg80211_chandef_dfs_required cfg80211_return_u32 cfg80211_return_uint cfg80211_send_rx_auth Signed-off-by: Steven Rostedt (Google) --- net/wireless/trace.h | 56 -------------------------------------------- 1 file changed, 56 deletions(-) diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 34c584a215e5..9b6074155d59 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -3137,23 +3137,6 @@ DEFINE_EVENT(cfg80211_netdev_mac_evt, cfg80211_notif= y_new_peer_candidate, TP_ARGS(netdev, macaddr) ); =20 -DECLARE_EVENT_CLASS(netdev_evt_only, - TP_PROTO(struct net_device *netdev), - TP_ARGS(netdev), - TP_STRUCT__entry( - NETDEV_ENTRY - ), - TP_fast_assign( - NETDEV_ASSIGN; - ), - TP_printk(NETDEV_PR_FMT , NETDEV_PR_ARG) -); - -DEFINE_EVENT(netdev_evt_only, cfg80211_send_rx_auth, - TP_PROTO(struct net_device *netdev), - TP_ARGS(netdev) -); - TRACE_EVENT(cfg80211_send_rx_assoc, TP_PROTO(struct net_device *netdev, const struct cfg80211_rx_assoc_resp_data *data), @@ -3480,21 +3463,6 @@ TRACE_EVENT(cfg80211_reg_can_beacon, __entry->prohibited_flags, __entry->permitting_flags) ); =20 -TRACE_EVENT(cfg80211_chandef_dfs_required, - TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), - TP_ARGS(wiphy, chandef), - TP_STRUCT__entry( - WIPHY_ENTRY - CHAN_DEF_ENTRY - ), - TP_fast_assign( - WIPHY_ASSIGN; - CHAN_DEF_ASSIGN(chandef); - ), - TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, - WIPHY_PR_ARG, CHAN_DEF_PR_ARG) -); - TRACE_EVENT(cfg80211_ch_switch_notify, TP_PROTO(struct net_device *netdev, struct cfg80211_chan_def *chandef, @@ -3862,30 +3830,6 @@ DEFINE_EVENT(cfg80211_bss_evt, cfg80211_return_bss, TP_ARGS(pub) ); =20 -TRACE_EVENT(cfg80211_return_uint, - TP_PROTO(unsigned int ret), - TP_ARGS(ret), - TP_STRUCT__entry( - __field(unsigned int, ret) - ), - TP_fast_assign( - __entry->ret =3D ret; - ), - TP_printk("ret: %d", __entry->ret) -); - -TRACE_EVENT(cfg80211_return_u32, - TP_PROTO(u32 ret), - TP_ARGS(ret), - TP_STRUCT__entry( - __field(u32, ret) - ), - TP_fast_assign( - __entry->ret =3D ret; - ), - TP_printk("ret: %u", __entry->ret) -); - TRACE_EVENT(cfg80211_report_wowlan_wakeup, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_wowlan_wakeup *wakeup), --=20 2.50.1