perf probe: Adjust map->reloc offset when finding kernel symbol from map
authorMasami Hiramatsu <masami.hiramatsu@linaro.org>
Sat, 6 Aug 2016 10:29:48 +0000 (19:29 +0900)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 9 Aug 2016 13:47:43 +0000 (10:47 -0300)
commit8e34189b347d76acf48ce05831176582201b664d
treeffdc09cda5483e9124820d3fa46999e649a43558
parent887fa86d6fd7a45cee2d0f9d5f75026786d61df2
perf probe: Adjust map->reloc offset when finding kernel symbol from map

Adjust map->reloc offset for the unmapped address when finding
alternative symbol address from map, because KASLR can relocate the
kernel symbol address.

The same adjustment has been done when finding appropriate kernel symbol
address from map which was introduced by commit f90acac75713 ("perf
probe: Find given address from offline dwarf")

Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20160806192948.e366f3fbc4b194de600f8326@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/util/probe-event.c