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 6CB661487E9; Tue, 25 Jun 2024 09:55:26 +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=1719309326; cv=none; b=Rt55vDqS3CyYlVXzqGaBga/5RGF70E/pER2amYaqVqOtufpDY1V3sBmD7nun0tvBkxjBbIJtQOK6A7fDyks7oNByrydXk1wZOtfFt9HA7+hyUBt2g8Z9p233KyPDnM1lp+429IsjfhdVWDkCdhjmh9W8fRpfCZb4uwAeu5FE+og= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719309326; c=relaxed/simple; bh=AT5s3eDowHKSRKi0+jTbbtcuV2fW3WgEwVGT+WXAie8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BdjlmqV3/fDd51zMs1q+GPjsJFDKbMhKLJjIy/yFskOAOjaua0KrMtd6d+Ej1bFU4ptpfma7HLIxT4La1nO+1ZvOdlKUIBHrGgEumrRKey7y9v3I6K1qjdePxgdsD7CdvHXhbkhWtD5jUDNUVc04MsuZ4EPMc8B+iyvnz/cPygg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lCnyBW/z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lCnyBW/z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4979C32789; Tue, 25 Jun 2024 09:55:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1719309326; bh=AT5s3eDowHKSRKi0+jTbbtcuV2fW3WgEwVGT+WXAie8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lCnyBW/z84UFN0AjWAOT4Lh1tSwJAu0jQDjtX8VBjZSIjauGUIcU5msl/OPCNXfH7 M5+/caiFYgMP/9F72kGvRdWGLdcyTdvZH1+epnAjTDTJ7hP4UQqyXbfchDl9Zsv6f0 COaBHbu1LP4Roa9fKDDX43aR2uyZLurdXsrFnPbE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Changbin Du , Adrian Hunter , changbin.du@gmail.com, Thomas Richter , Andi Kleen , Namhyung Kim , Sasha Levin Subject: [PATCH 6.6 171/192] perf: script: add raw|disasm arguments to --insn-trace option Date: Tue, 25 Jun 2024 11:34:03 +0200 Message-ID: <20240625085543.723904423@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240625085537.150087723@linuxfoundation.org> References: <20240625085537.150087723@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Changbin Du [ Upstream commit 6750ba4b6442fa5ea4bf5c0e4b4ff8b0249ef71d ] Now '--insn-trace' accept a argument to specify the output format: - raw: display raw instructions. - disasm: display mnemonic instructions (if capstone is installed). $ sudo perf script --insn-trace=raw ls 1443864 [006] 2275506.209908875: 7f216b426100 _start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: 48 89 e7 ls 1443864 [006] 2275506.209908875: 7f216b426103 _start+0x3 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: e8 e8 0c 00 00 ls 1443864 [006] 2275506.209908875: 7f216b426df0 _dl_start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) insn: f3 0f 1e fa $ sudo perf script --insn-trace=disasm ls 1443864 [006] 2275506.209908875: 7f216b426100 _start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) movq %rsp, %rdi ls 1443864 [006] 2275506.209908875: 7f216b426103 _start+0x3 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) callq _dl_start+0x0 ls 1443864 [006] 2275506.209908875: 7f216b426df0 _dl_start+0x0 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) illegal instruction ls 1443864 [006] 2275506.209908875: 7f216b426df4 _dl_start+0x4 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) pushq %rbp ls 1443864 [006] 2275506.209908875: 7f216b426df5 _dl_start+0x5 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) movq %rsp, %rbp ls 1443864 [006] 2275506.209908875: 7f216b426df8 _dl_start+0x8 (/usr/lib/x86_64-linux-gnu/ld-2.31.so) pushq %r15 Signed-off-by: Changbin Du Reviewed-by: Adrian Hunter Cc: changbin.du@gmail.com Cc: Thomas Richter Cc: Andi Kleen Signed-off-by: Namhyung Kim Link: https://lore.kernel.org/r/20240217074046.4100789-5-changbin.du@huawei.com Stable-dep-of: d4a98b45fbe6 ("perf script: Show also errors for --insn-trace option") Signed-off-by: Sasha Levin --- tools/perf/Documentation/perf-script.txt | 7 ++++--- tools/perf/builtin-script.c | 22 ++++++++++++++++++---- 2 files changed, 22 insertions(+), 7 deletions(-) diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index ff9a52e446884..66b633f3c6d26 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -441,9 +441,10 @@ include::itrace.txt[] will be printed. Each entry has function name and file/line. Enabled by default, disable with --no-inline. ---insn-trace:: - Show instruction stream for intel_pt traces. Combine with --xed to - show disassembly. +--insn-trace[=]:: + Show instruction stream in bytes (raw) or disassembled (disasm) + for intel_pt traces. The default is 'raw'. To use xed, combine + 'raw' with --xed to show disassembly done by xed. --xed:: Run xed disassembler on output. Requires installing the xed disassembler. diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 517bf25750c8b..c38e988c2a6d8 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -3765,10 +3765,24 @@ static int perf_script__process_auxtrace_info(struct perf_session *session, #endif static int parse_insn_trace(const struct option *opt __maybe_unused, - const char *str __maybe_unused, - int unset __maybe_unused) + const char *str, int unset __maybe_unused) { - parse_output_fields(NULL, "+insn,-event,-period", 0); + const char *fields = "+insn,-event,-period"; + int ret; + + if (str) { + if (strcmp(str, "disasm") == 0) + fields = "+disasm,-event,-period"; + else if (strlen(str) != 0 && strcmp(str, "raw") != 0) { + fprintf(stderr, "Only accept raw|disasm\n"); + return -EINVAL; + } + } + + ret = parse_output_fields(NULL, fields, 0); + if (ret < 0) + return ret; + itrace_parse_synth_opts(opt, "i0ns", 0); symbol_conf.nanosecs = true; return 0; @@ -3914,7 +3928,7 @@ int cmd_script(int argc, const char **argv) "only consider these symbols"), OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range, "Use with -S to list traced records within address range"), - OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL, + OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, "raw|disasm", "Decode instructions from itrace", parse_insn_trace), OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL, "Run xed disassembler on output", parse_xed), -- 2.43.0