From mboxrd@z Thu Jan 1 00:00:00 1970 From: rabin@rab.in (Rabin Vincent) Date: Tue, 23 Nov 2010 22:08:18 +0530 Subject: 'perf test' failed on ARM In-Reply-To: References: Message-ID: <20101123163106.GA25677@debian> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Nov 23, 2010 at 04:07:39PM +0800, Ming Lei wrote: > 'perf test' is failed on linux 2.6.37-rc2/rc3, follows log info: > > root at beagleboard:/mnt/omap/linux-2.6-omap/tools/perf# ./perf test -v 3 > 1: vmlinux symtab matches kallsyms: > --- start --- > dso__find_symbol_by_name ---- end ---- > vmlinux symtab matches kallsyms: FAILED! > > Any suggestions? There seems to be a problem with the symbol handling code. Patch below. With this patch the command executes further, but the test fails because of other reasons: 1: vmlinux symtab matches kallsyms: --- start --- map_groups__set_modules_path_dir: cannot open /lib/modules/2.6.37-rc3-next-20101122+/kernel dir Problems creating module maps, continuing anyway... map_groups__set_modules_path_dir: cannot open /lib/modules/2.6.37-rc3-next-20101122+/kernel dir Problems creating module maps, continuing anyway... Looking at the vmlinux_path (6 entries long) Using vmlinux for symbols 0xc011ab68: diff end addr for __kprobes_text_start v: 0xc012b87f k: 0xc011b353 0xc012b880: kallsyms_addresses not on kallsyms 0xc0138c90: kallsyms_num_syms not on kallsyms 0xc0138ca0: kallsyms_names not on kallsyms 0xc015c010: kallsyms_markers not on kallsyms 0xc015c0f0: kallsyms_token_table not on kallsyms 0xc015c490: kallsyms_token_index not on kallsyms Maps only in vmlinux: c0014c5c-ffffffff 0 [kernel].init Maps in vmlinux with a different name in kallsyms: Maps only in kallsyms: ---- end ---- vmlinux symtab matches kallsyms: FAILED!