From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52e.google.com (mail-ed1-x52e.google.com [IPv6:2a00:1450:4864:20::52e]) by sourceware.org (Postfix) with ESMTPS id 69E633858D32 for ; Sun, 30 Jul 2023 04:32:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 69E633858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ed1-x52e.google.com with SMTP id 4fb4d7f45d1cf-52256241c50so5285305a12.3 for ; Sat, 29 Jul 2023 21:32:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690691562; x=1691296362; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=9TDy078JtrewmCQzh3+rUG3wbaTAGrdhuOaY2dcg+vE=; b=OEAbtLz7BkpH79g7QUqBLbyR+0VGilDrQJe+b6Q0avCcW+QGBe0VceX1MQM6G+3Cty BqONVZ8uGDuZ7M55e8Sq6v3BsRgtlizHPeRnvIbswyYxb7D1xqfCYN3mtON902qJTNVQ z3LJcTVmNxaT7rvSxoOB3Vae0PlARbiy+nPlOE9fsaeeLY7x9XXIwIrCtEr3rf2DWpI2 cd+GvsaLm/W7XsmQvyEfST1+0cfQ/lJjWEWYIuvCqjLOSYTOpo/WGUGJ7ybd6zr+vxLS gnetweFRbjwkJr2hNNvd4tdWddIcf+EvsJHfxfF1U6PJi0k63Pquj4Kt29LsMHVeFRDu DYzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690691562; x=1691296362; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9TDy078JtrewmCQzh3+rUG3wbaTAGrdhuOaY2dcg+vE=; b=GPD+WdydhsBlIjspQqesvEI1dO11j6XR5Yzuh1ORyl3JS2I3Ip5V/7VwCmLZrj6abS YwZU5G1CIHLHESPRCBICB4HBPJxteIBw89bEo96RgVurmBUg+mYbq1xQvMIXSngLPj55 Q4WywIwyLSWp+3ewzIdsOYMr2xHG7MSVYEeQQrKCfgowS/sQwU4phiJdk/mlInPk7GtV mnHi9W7M2Y919bBsz2p5f0mTZ7oKqsIYBkzcQKdr27GTxVqeP7Iskkn46DfjMM4MN1Wj d9BUtvnMIVIfNf1ZUU+w97D9hm6y+fXwsLqSU0Pk7lbxIvyNLR+1a1lL8vhOJso+wdXG c86g== X-Gm-Message-State: ABy/qLYuH6CM1D6Nx5iIOP5G321Xq2SY/qm2irpc9r6rq6O0lsHXtufe RE45SlBv3+1fJyrsBm2OyzPJ24Eae7wlxa325r4= X-Google-Smtp-Source: APBJJlEOFUF+mZvYBC9wAWwTI6FDRT7zYrYQJm2JvlpjXXuSf6k+7kLmJ6IG35vDFp4AWSdSlY/8izMWcFs5o6Ytoac= X-Received: by 2002:a17:906:5308:b0:99b:ead0:2733 with SMTP id h8-20020a170906530800b0099bead02733mr4733538ejo.72.1690691562046; Sat, 29 Jul 2023 21:32:42 -0700 (PDT) MIME-Version: 1.0 References: <87cz0bu9g4.fsf@redhat.com> <20230729131647.GB5602@redhat.com> In-Reply-To: <20230729131647.GB5602@redhat.com> From: wei gong Date: Sun, 30 Jul 2023 12:32:30 +0800 Message-ID: Subject: Re: Using systemtap in an Environment with Multiple Versions of glibc To: "Frank Ch. Eigler" Cc: systemtap@sourceware.org Content-Type: multipart/alternative; boundary="000000000000fb07da0601accdeb" X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --000000000000fb07da0601accdeb Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi > Ah yeah. Having a custom ld.so like that is unusual. Sorry I didn't > realize this aspect of your situation. You could try running ldd > yourself on your binary, and manually add "-d > /opt/compiler/..../lib..." flags for each. > > I tried running ldd on my binary file and manually adding =E2=80=98-d /opt/compiler/=E2=80=A6/lib=E2=80=A6=E2=80=99 for each one. stap -d /opt/compiler/gcc-8.2/usr/lib/libpixman-1.so.0 -d /opt/compiler/gcc-8.2/usr/lib/libz.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libutil.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libglib-2.0.so.0 -d /opt/compiler/gcc-8.2/usr/lib/libdl.so.2 -d /opt/compiler/gcc-8.2/usr/lib/libcurl.so.4 -d /opt/compiler/gcc-8.2/usr/lib/libaio.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libstdc++.so.6 -d /opt/compiler/gcc-8.2/usr/lib/libgflags.so.2.1 -d /opt/compiler/gcc-8.2/usr/lib/libprotobuf.so.8 -d /opt/compiler/gcc-8.2/usr/lib/libleveldb.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libm.so.6 -d /opt/compiler/gcc-8.2/usr/lib/libgcc_s.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libpthread.so.0 -d /opt/compiler/gcc-8.2/usr/lib/libc.so.6 -d /opt/compiler/gcc-8.2/usr/lib/libpcre.so.1 -d /opt/compiler/gcc-8.2/usr/lib/libsnappy.so.1 -d /opt/compiler/gcc-8.2/lib64/ld-linux-x86-64.so.2 -e 'probe process("myapp").function("function").call {print_ubacktrace()}' Trigger probe point function WARNING: Missing unwind data for a module, rerun with 'stap -d (unknown; retry with -DDEBUG_UNWIND)' 0x8789b6 Best Regards, WeiGong --000000000000fb07da0601accdeb--