• Ravi Bangoria's avatar
    perf annotate: Support jump instruction with target as second operand · 3ee2eb6d
    Ravi Bangoria authored
    Architectures like PowerPC have jump instructions that includes a target
    address as a second operand. For example, 'bne cr7,0xc0000000000f6154'.
    Add support for such instruction in perf annotate.
    
    objdump o/p:
      c0000000000f6140:   ld     r9,1032(r31)
      c0000000000f6144:   cmpdi  cr7,r9,0
      c0000000000f6148:   bne    cr7,0xc0000000000f6154
      c0000000000f614c:   ld     r9,2312(r30)
      c0000000000f6150:   std    r9,1032(r31)
      c0000000000f6154:   ld     r9,88(r31)
    
    Corresponding perf annotate o/p:
    
    Before patch:
             ld     r9,1032(r31)
             cmpdi  cr7,r9,0
          v  bne    3ffffffffff09f2c
             ld     r9,2312(r30)
             std    r9,1032(r31)
      74:    ld     r9,88(r31)
    
    After patch:
             ld     r9,1032(r31)
             cmpdi  cr7,r9,0
          v  bne    74
             ld     r9,2312(r30)
             std    r9,1032(r31)
      74:    ld     r9,88(r31)
    Signed-off-by: default avatarRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Chris Riyder <chris.ryder@arm.com>
    Cc: Kim Phillips <kim.phillips@arm.com>
    Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
    Cc: Masami Hiramatsu <mhiramat@kernel.org>
    Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Taeung Song <treeze.taeung@gmail.com>
    Cc: linuxppc-dev@lists.ozlabs.org
    Link: http://lkml.kernel.org/r/1480953407-7605-2-git-send-email-ravi.bangoria@linux.vnet.ibm.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    3ee2eb6d
annotate.c 43.2 KB