• Robert Jarzmik's avatar
    scripts: decode_stacktrace: fix ARM architecture decoding · e260fe01
    Robert Jarzmik authored
    Fix the stack decoder for the ARM architecture.
    An ARM stack is designed as :
    [   81.547704] [<c023eb04>] (bucket_find_contain) from [<c023ec88>] (check_sync+0x40/0x4f8)
    [   81.559668] [<c023ec88>] (check_sync) from [<c023f8c4>] (debug_dma_sync_sg_for_cpu+0x128/0x194)
    [   81.571583] [<c023f8c4>] (debug_dma_sync_sg_for_cpu) from [<c0327dec>] (__videobuf_s
    The current script doesn't expect the symbols to be bound by
    parenthesis, and triggers the following errors :
      awk: cmd. line:1: error: Unmatched ( or \(: / (check_sync$/
      [   81.547704] (bucket_find_contain) from (check_sync+0x40/0x4f8)
    Fix it by chopping starting and ending parenthesis from the each symbol
    As a side note, this probably comes from the function
    dump_backtrace_entry(), which is implemented differently for each
    architecture.  That makes a single decoding script a bit a challenge.
    Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
    Cc: Sasha Levin <sasha.levin@oracle.com>
    Cc: Russell King <rmk+kernel@arm.linux.org.uk>
    Cc: Michal Marek <mmarek@suse.cz>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
decode_stacktrace.sh 3.09 KB