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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-06-30 11:43:17 -0300
committerIngo Molnar <mingo@elte.hu>2009-06-30 17:09:30 +0200
commitf5812a7a336fb952d819e4427b9a2dce02368e82 (patch)
tree584b8581f68325c8e98a32df51c5155234e0e362 /tools/perf/.gitignore
parent57e7986ed142417498155ebcd5eaf617ac37136d (diff)
perf_counter tools: Adjust only prelinked symbol's addresses
I.e. we can't handle these two kinds of files in the same way: 1) prelinked system library: [acme@doppio pahole]$ readelf -s /usr/lib64/libdw-0.141.so | egrep 'FUNC.+GLOBAL.+dwfl_report_elf' 278: 00000030450105a0 261 FUNC GLOBAL DEFAULT 12 dwfl_report_elf@@ELFUTILS_0.122 2) not prelinked library with debug information from a -debuginfo package: [acme@doppio pahole]$ readelf -s /usr/lib/debug/usr/lib64/libdw-0.141.so.debug | egrep 'FUNC.+GLOBAL.+dwfl_report_elf' 629: 00000000000105a0 261 FUNC GLOBAL DEFAULT 12 dwfl_report_elf [acme@doppio pahole]$ Now the numbers I got for a pahole perf run are in line with the numbers I get from oprofile. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20090630144317.GB12663@ghostprotocols.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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