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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2015-03-02 12:49:46 (GMT)
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-03-02 15:34:38 (GMT)
commit0104fe69e0287cf3635657b4c6b26a18e0091697 (patch)
treee20b5f4cccdfb5ccbbbee036671b3c3e64bb4674 /kernel/relay.c
parent79702f614187f652a814061e8f5875ddcc9e732d (diff)
downloadlinux-0104fe69e0287cf3635657b4c6b26a18e0091697.tar.xz
perf probe: Remove bias offset to find probe point by address
Remove bias offset to find probe point by address. Without this patch, probe points on kernel and executables are shown correctly, but do not work with libraries: # ./perf probe -l probe:do_fork (on do_fork@kernel/fork.c) probe_libc:malloc (on malloc in /usr/lib64/libc-2.17.so) probe_perf:strlist__new (on strlist__new@util/strlist.c in /home/mhiramat/ksrc/linux-3/tools/perf/perf) Removing bias allows it to show it as real place: # ./perf probe -l probe:do_fork (on do_fork@kernel/fork.c) probe_libc:malloc (on __libc_malloc@malloc/malloc.c in /usr/lib64/libc-2.17.so) probe_perf:strlist__new (on strlist__new@util/strlist.c in /home/mhiramat/ksrc/linux-3/tools/perf/perf) Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naohiro Aota <naota@elisp.net> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150302124946.9191.64085.stgit@localhost.localdomain Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/relay.c')
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