From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-188.mta1.migadu.com (out-188.mta1.migadu.com [95.215.58.188]) (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 4504622F767 for ; Thu, 29 May 2025 17:00:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748538061; cv=none; b=ohJzBR5tnO6Y6FKHVXgA8h/6CH1RPQVVcSVad43YESfktNmRx2CKCMqpvxQ9OnmwAdJqOXOLR9MZT17aHuY9AacwHCn0GW4M5NOS+jQpSgZLDEfrFXt7rF0LQ4QKA/cdmR5Tj22uFiaZbEa6zuhjQA+ba414T4/jThVfuvKN27Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748538061; c=relaxed/simple; bh=fn6Gypx0jppX4ZfV/wU6Lot+KTQW1fMN2RLSLn7ESP4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=LPxyOmJ6P0yGZnUDmfwZ7NyJUep+SO5TPq19fhC/flrDs+ahHulu69q0nVYISJTFa5BB0BjBIZhbK1hfv3LOoeanRV4RYIoqprOIYg0QwYXOM0+zTBQmlQ0yGe4d1MnfVsWGfLCWqgDY+OjlHb+pO5kTb8ViXS1t3KWJY8VO0M0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=FUuN5oX7; arc=none smtp.client-ip=95.215.58.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="FUuN5oX7" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748538058; 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=Oo40gIonSC9h0uhsHSMEjkgSCyqiY1FN2iI8Vf98Jlo=; b=FUuN5oX7WLfaXCWrsgrZ90DC9ZoBuCLfY279sHIiwhg++8xlm3Y4y6g0ieshIJ0EZFibE8 CXrk0sNnqA03TNb/kCPEp1X0Y+u0vpbk7MXF49+9c/PHg42bn+Lvbo7PtIwr/viftWIji+ JFaXhhBhy8O1BI0wOsNSg5nTct4ZR4g= From: Tao Chen To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, qmo@kernel.org, jolsa@kernel.org Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Tao Chen Subject: [PATCH bpf-next 3/3] bpftool: Display cookie for raw_tp link probe Date: Fri, 30 May 2025 00:57:59 +0800 Message-Id: <20250529165759.2536245-3-chen.dylane@linux.dev> In-Reply-To: <20250529165759.2536245-1-chen.dylane@linux.dev> References: <20250529165759.2536245-1-chen.dylane@linux.dev> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Display cookie for raw_tp link probe, in plain mode: #bpftool link 22: raw_tracepoint prog 14 tp 'sys_enter' cookie 23925373020405760 pids test_progs(176) And in json mode: #bpftool link -j | jq [ { "id": 47, "type": "raw_tracepoint", "prog_id": 79, "tp_name": "sys_enter", "cookie": 23925373020405760, "pids": [ { "pid": 274, "comm": "test_progs" } ] } ] Signed-off-by: Tao Chen --- tools/bpf/bpftool/link.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c index 52fd2c9fac..bd37f364be 100644 --- a/tools/bpf/bpftool/link.c +++ b/tools/bpf/bpftool/link.c @@ -484,6 +484,7 @@ static int show_link_close_json(int fd, struct bpf_link_info *info) case BPF_LINK_TYPE_RAW_TRACEPOINT: jsonw_string_field(json_wtr, "tp_name", u64_to_ptr(info->raw_tracepoint.tp_name)); + jsonw_lluint_field(json_wtr, "cookie", info->raw_tracepoint.cookie); break; case BPF_LINK_TYPE_TRACING: err = get_prog_info(info->prog_id, &prog_info); @@ -876,6 +877,8 @@ static int show_link_close_plain(int fd, struct bpf_link_info *info) case BPF_LINK_TYPE_RAW_TRACEPOINT: printf("\n\ttp '%s' ", (const char *)u64_to_ptr(info->raw_tracepoint.tp_name)); + if (info->raw_tracepoint.cookie) + printf("cookie %llu ", info->raw_tracepoint.cookie); break; case BPF_LINK_TYPE_TRACING: err = get_prog_info(info->prog_id, &prog_info); -- 2.43.0