From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 087203F9F35; Wed, 27 May 2026 11:40:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779882014; cv=none; b=nQBOwsXmfcovrIsGD5Bx0jkEubON/LTWy4c7QB8S/jU2sAkXZ9H/pJ53hOIcQ9xV2uFaYS2ClgwUQ0GgbVc7Hxsnhc0vHSP06/2TawMwq/0lrwFs2COniikFRPxmH5qZgQYvTPeDWMbhJB5AKskIgU0gkOQoH919fMbf7eddkhI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779882014; c=relaxed/simple; bh=ywpshhhTIWXl8kCn9cpVuVQ+ZwwZrpxjyq0Oq+kYG54=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dD/DRA8vuJ9aCdYRdnVopDQrqvvvvz1IU92/c0UO9ZZjt0H4paYRyhUiTkXQ4CkpkaG5gB+4JnOBjupp1er7WRmKPiF1t3AfqSESbARcBgeWWM8FU9HBswZs62bDyEINBLPg+8IQnFDz4CjoDF/iG0kH8jpt6fLSl8oEvKq/7yg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VuMJ/aet; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VuMJ/aet" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 543871F000E9; Wed, 27 May 2026 11:40:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779882011; bh=g9ZqadcY/NjSm1TT/nNyr9mvKD6IcZNGDjboDTYbj84=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VuMJ/aet1pDWq0hVYPQsZ+2OjJ5PWJEqZHO3ef/kpKl7vMvTEN9/9rkQcnMI88N2N 27ssvgatVYooTpElgX/IPqrbods/tA0QxRDjDbNIyUY8qHzIFrgUt2zvhcVL5P4+JT v2b0O9w9igb+wVxofLQXOqrvZyQRVbX1ZkSrshhYGiXd9Kpm+x5f6spq/jrfUT0NTo vtbK9A93coO/Q8C6LiseMy7kDDgefGzwwKhPsswyboN4cp3eIBS87zhBmfOg/bKyXI LSE9M1RA2QjnPrwEWQeVE1z5aCfdXuk07qo5kuTbsw3jp2mXLu51u12WbM9N3fsI9x mE+jKGLtXevOA== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Menglong Dong , Steven Rostedt Subject: [PATCHv6 bpf-next 01/29] ftrace: Add ftrace_hash_count function Date: Wed, 27 May 2026 13:39:23 +0200 Message-ID: <20260527113951.46265-2-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527113951.46265-1-jolsa@kernel.org> References: <20260527113951.46265-1-jolsa@kernel.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adding external ftrace_hash_count function so we could get hash count outside of ftrace object. Signed-off-by: Jiri Olsa --- include/linux/ftrace.h | 2 ++ kernel/trace/ftrace.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 28b30c6f1031..282da661f131 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -551,6 +551,8 @@ int update_ftrace_direct_mod(struct ftrace_ops *ops, struct ftrace_hash *hash, b void ftrace_stub_direct_tramp(void); +unsigned long ftrace_hash_count(struct ftrace_hash *hash); + #else struct ftrace_ops; static inline unsigned long ftrace_find_rec_direct(unsigned long ip) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index b2611de3f594..57ab01fd00bd 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -6288,11 +6288,16 @@ int modify_ftrace_direct(struct ftrace_ops *ops, unsigned long addr) } EXPORT_SYMBOL_GPL(modify_ftrace_direct); -static unsigned long hash_count(struct ftrace_hash *hash) +static inline unsigned long hash_count(struct ftrace_hash *hash) { return hash ? hash->count : 0; } +unsigned long ftrace_hash_count(struct ftrace_hash *hash) +{ + return hash_count(hash); +} + /** * hash_add - adds two struct ftrace_hash and returns the result * @a: struct ftrace_hash object -- 2.54.0