forked from Minki/linux
6a330a3c8a
Gcc generates DW_AT_comp_dir and stores relative source path if building kernel without O= option. In that case, perf probe --line sometimes doesn't work without --source option, because it tries to access relative source path. This adds DW_AT_comp_dir support to perf probe for finding an absolute source path when no --source option. LKML-Reference: <4C36EBE7.3060802@hitachi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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