From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-183.mta0.migadu.com (out-183.mta0.migadu.com [91.218.175.183]) (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 09B222F32 for ; Tue, 3 Jun 2025 02:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748917605; cv=none; b=Hcv9qpo49md+N4LvVJ6emTZmN4x5Cc2vTT5vcaXMbtSw/ABcHdgIWoL35hp4uSAYEEm9DKg6ZiHr2p2EK36Nd/n2B0+fnwXOWPLr3ILxbnZeRMgpCX+sv/W9q4gG8EgcouOiriep1egZefFACZH1syObKkLYyygRcqMfBMevHA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748917605; c=relaxed/simple; bh=fn6Gypx0jppX4ZfV/wU6Lot+KTQW1fMN2RLSLn7ESP4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=gRiPL2lFiYtHBQINbe/cf6Y1DpQV6me/gsCEsnfjfipNLkVfH8lTkn6OHe96lC7DrX2Y0oqh+b8f8xBq5nniA6+Wmk3yV2IoDeQCWGpuNZ8cXu7mKj6gK+UOSlx4uDYGVFWMgHpIRQS1eiKcAAR1dXYGc4B9CBL5qhUz2yG75jw= 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=Nc4Bx8+1; arc=none smtp.client-ip=91.218.175.183 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="Nc4Bx8+1" 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=1748917601; 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=Nc4Bx8+1GnZaZ4mR8REY299LpkynqQhfZ1zDczIf1O7hmm6xvRFm37ypXdpgmt91rkDWwb M++BQsmGWmmnwWt3qgPUkCe8EhPcWNC1+kWkj3efggSwzbP+5n5hcpNBOfYzBk7UmQMVBG oVJyqqcwRKd9yqTLRtsbOUSGIGwUhzI= 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 v2 3/3] bpftool: Display cookie for raw_tp link probe Date: Tue, 3 Jun 2025 10:26:10 +0800 Message-Id: <20250603022610.3005963-3-chen.dylane@linux.dev> In-Reply-To: <20250603022610.3005963-1-chen.dylane@linux.dev> References: <20250603022610.3005963-1-chen.dylane@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@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