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bh=wVw9qf7WnHE9ADCIENN6XtG8+XAbmJBfpkrWnYewZjw=; b=ZB58BqL3cLb4nSbj4OR27TQpNqXDVRRN0yN/A8ceBhTvgO352vO2nap1 WKgl4KrokU3gYOEx0Q6LHHxLl7R7EeowUJdqZ4FNIpgZi0jGBYCpWPPDU +69jIwCTZ+wuH1LOZvXIe7GzqkMyg03pQIdiEiXq5su0bFcz5i7+nADuR KmAv6WA2ZN5oZg/g+edr6ARcjRcu/ej328rHP//nZJ2DJtPqigIpVNspi XaQqdC9cXr2SgFZztCrq4N4zLYf60y048jbsAfIkvA8OZCq4v4FyVZDN6 LqHs1eVBTlEyDnzmQ8HUMwv5cJcVSqYVgBKOzZYCXWiFl5uXuGsd7Ojsa g==; X-IronPort-AV: E=McAfee;i="6600,9927,10975"; a="395161860" X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="395161860" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 05:05:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,247,1701158400"; d="scan'208";a="999413" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO ahunter-VirtualBox.home\044ger.corp.intel.com) ([10.252.42.101]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2024 05:05:10 -0800 From: Adrian Hunter To: Arnaldo Carvalho de Melo Cc: Jiri Olsa , Namhyung Kim , Ian Rogers , Like Xu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH V2 0/2] perf symbols: Slightly improve module file executable section mappings Date: Tue, 6 Feb 2024 15:04:56 +0200 Message-Id: <20240206130458.8867-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790154883233053967 X-GMAIL-MSGID: 1790154883233053967 Hi Currently perf does not record module section addresses except for the .text section. In general that means perf cannot get module section mappings correct (except for .text) when loading symbols from a kernel module file. (Note using --kcore does not have this issue) Here are a couple of patches to help shed light upon and slightly improve the situation. Changes in V2: perf tools: Make it possible to see perf's kernel and module memory mappings - add dump to perf report (if no browser) as well as perf script - add 'perf --debug kmaps' option also to dump kmaps Adrian Hunter (2): perf tools: Make it possible to see perf's kernel and module memory mappings perf symbols: Slightly improve module file executable section mappings tools/perf/Documentation/perf.txt | 2 ++ tools/perf/builtin-report.c | 2 ++ tools/perf/builtin-script.c | 3 ++ tools/perf/util/debug.c | 3 ++ tools/perf/util/debug.h | 1 + tools/perf/util/python.c | 1 + tools/perf/util/session.c | 11 ++++++ tools/perf/util/session.h | 2 ++ tools/perf/util/symbol-elf.c | 75 +++++++++++++++++++++++++++++++++++++-- 9 files changed, 98 insertions(+), 2 deletions(-) Regards Adrian Acked-by: Namhyung Kim