From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1EC1D37B3E9; Wed, 4 Mar 2026 22:22:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772662923; cv=none; b=t5noboi+FlQXdUDB+/ondkuXOCd0zqrkMDjN0n7CYqovlag51A+UDq5ELzZxcC7v+0FSq6fJ7tWUL0iGYEoZpejaP4flW4KQ0BYyWx6eGaHKrx5fv9YM31Wf9u0cOtf5m3II5TGcpKJEf5jSuUZTHQu1eDpXfsqwZ0GTh7z37XQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772662923; c=relaxed/simple; bh=aCx9nYwYoFkehWh2kV0p2iR8Ox0MhBy4YtXW6CgslVc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KU6beCGI1eNooyDopE9u2qlLvbkbS4hMEX7PccqmwUmkRBdQxjHxvwmBgOGn30a+2vE8HVatMBlXXxExh0jM6WE2T2u/cGO9Fkyyi7p+hNASLNIm0we1qaviPJ9pLmExmQV0bZxPgLWaJAbsDQ69OBCm6DDCXS26fAIXaZyqKCY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pyJa2hlk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pyJa2hlk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB775C4CEF7; Wed, 4 Mar 2026 22:21:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772662922; bh=aCx9nYwYoFkehWh2kV0p2iR8Ox0MhBy4YtXW6CgslVc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pyJa2hlk+KnFSuNHEFW92lXtWq6ZIigeB8F6EYyTzrkkvHtTSQISUfKZlXV4XbgJe 3Fx0k9L+rGwGvU0PgM+SOjvgAtzdI/wsgNdG2rON/4TVbbPpybfq6m87+SLLAx9KrX K7pFR/8P3b0i9Zgkw/DioJOxQQ5CIOHIH+3xz5uh4NMXSY6054GPQ1yJWDMhAg0317 NAA9e+uh71XqHHhqRbNcSUcSCjF59wsyfuL3humFS+XUgXJAV2W29kdLKqPfaRwgN2 OuNk3h338VFoGyLQYWqa70XoWk50IXlTZsubq9kYcriIgShT0GFheh6BtpWL7AygZi t0ELgBa3DbuhQ== 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: [PATCHv2 bpf-next 01/23] ftrace: Add ftrace_hash_count function Date: Wed, 4 Mar 2026 23:21:19 +0100 Message-ID: <20260304222141.497203-2-jolsa@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260304222141.497203-1-jolsa@kernel.org> References: <20260304222141.497203-1-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 | 1 + kernel/trace/ftrace.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index c242fe49af4c..401f8dfd05d3 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -415,6 +415,7 @@ struct ftrace_hash *alloc_ftrace_hash(int size_bits); void free_ftrace_hash(struct ftrace_hash *hash); struct ftrace_func_entry *add_ftrace_hash_entry_direct(struct ftrace_hash *hash, unsigned long ip, unsigned long direct); +unsigned long ftrace_hash_count(struct ftrace_hash *hash); /* The hash used to know what functions callbacks trace */ struct ftrace_ops_hash { diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8baf61c9be6d..ac06bf17caaf 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 -- 2.53.0