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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-11-20 20:51:27 -0200
committerIngo Molnar <mingo@elte.hu>2009-11-21 14:11:33 +0100
commitc338aee853db197e1855b393e6d6cc667784537f (patch)
treef97fea21c608a689144302b8dd78ef29bfaa5c88 /tools/perf/util/probe-finder.c
parent78075caad99dc36ec6ef5826b7a5273ea14295fc (diff)
perf symbols: Do lazy symtab loading for the kernel & modules too
Just like we do with the other DSOs. This also simplifies the kernel_maps setup process, now all that the tools need to do is to call kernel_maps__init and the maps for the modules and kernel will be created, then, later, when kernel_maps__find_symbol() is used, it will also call maps__find_symbol that already checks if the symtab was loaded, loading it if needed. Now if one does 'perf top --hide_kernel_symbols' we won't pay the price of loading the (many) symbols in /proc/kallsyms or vmlinux. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1258757489-5978-4-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/probe-finder.c')
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