[PATCH v6 2/7] perf annotate: Add cross arch annotate support

Namhyung Kim namhyung at kernel.org
Tue Aug 23 12:17:16 AEST 2016


Hello,

On Tue, Aug 23, 2016 at 8:01 AM, Kim Phillips <kim.phillips at arm.com> wrote:
> On Fri, 19 Aug 2016 18:29:33 +0530
> Ravi Bangoria <ravi.bangoria at linux.vnet.ibm.com> wrote:
>
>> Changes in v6:
>>   - Instead of adding only those instructions defined in #ifdef __arm__,
>>     add all instructions from default table to arm table.
> ..
>> +static struct ins instructions_arm[] = {
>>       { .name = "add",   .ops  = &mov_ops, },
>>       { .name = "addl",  .ops  = &mov_ops, },
>>       { .name = "addq",  .ops  = &mov_ops, },
>>       { .name = "addw",  .ops  = &mov_ops, },
>>       { .name = "and",   .ops  = &mov_ops, },
>> -#ifdef __arm__
>> -     { .name = "b",     .ops  = &jump_ops, }, // might also be a call
>> +     { .name = "b",     .ops  = &jump_ops, }, /* might also be a call */
>>       { .name = "bcc",   .ops  = &jump_ops, },
>>       { .name = "bcs",   .ops  = &jump_ops, },
>>       { .name = "beq",   .ops  = &jump_ops, },
>> @@ -382,7 +462,6 @@ static struct ins instructions[] = {
>>       { .name = "blt",   .ops  = &jump_ops, },
>>       { .name = "blx",   .ops  = &call_ops, },
>>       { .name = "bne",   .ops  = &jump_ops, },
>> -#endif
>>       { .name = "bts",   .ops  = &mov_ops, },
>>       { .name = "call",  .ops  = &call_ops, },
>>       { .name = "callq", .ops  = &call_ops, },
>> @@ -471,24 +550,48 @@ static int ins__cmp(const void *a, const void *b)
>>       return strcmp(ia->name, ib->name);
>>  }
>
> Thanks, I've gone through the list and removed all not-ARM
> instructions, and added some missing ARM branch instructions:

Can we use regex patterns instead?

Thanks
Namhyung


>
> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> index b2c6cf3..9d686504 100644
> --- a/tools/perf/util/annotate.c
> +++ b/tools/perf/util/annotate.c
> @@ -451,9 +451,6 @@ static struct ins instructions_x86[] = {
>
>  static struct ins instructions_arm[] = {
>         { .name = "add",   .ops  = &mov_ops, },
> -       { .name = "addl",  .ops  = &mov_ops, },
> -       { .name = "addq",  .ops  = &mov_ops, },
> -       { .name = "addw",  .ops  = &mov_ops, },
>         { .name = "and",   .ops  = &mov_ops, },
>         { .name = "b",     .ops  = &jump_ops, }, /* might also be a call */
>         { .name = "bcc",   .ops  = &jump_ops, },
> @@ -463,81 +460,20 @@ static struct ins instructions_arm[] = {
>         { .name = "bgt",   .ops  = &jump_ops, },
>         { .name = "bhi",   .ops  = &jump_ops, },
>         { .name = "bl",    .ops  = &call_ops, },
> +       { .name = "ble",   .ops  = &jump_ops, },
> +       { .name = "bleq",  .ops  = &call_ops, },
> +       { .name = "blne",  .ops  = &call_ops, },
>         { .name = "bls",   .ops  = &jump_ops, },
>         { .name = "blt",   .ops  = &jump_ops, },
>         { .name = "blx",   .ops  = &call_ops, },
> +       { .name = "blxne", .ops  = &call_ops, },
> +       { .name = "bmi",   .ops  = &jump_ops, },
>         { .name = "bne",   .ops  = &jump_ops, },
> -       { .name = "bts",   .ops  = &mov_ops, },
> -       { .name = "call",  .ops  = &call_ops, },
> -       { .name = "callq", .ops  = &call_ops, },
> +       { .name = "bpl",   .ops  = &jump_ops, },
>         { .name = "cmp",   .ops  = &mov_ops, },
> -       { .name = "cmpb",  .ops  = &mov_ops, },
> -       { .name = "cmpl",  .ops  = &mov_ops, },
> -       { .name = "cmpq",  .ops  = &mov_ops, },
> -       { .name = "cmpw",  .ops  = &mov_ops, },
> -       { .name = "cmpxch", .ops  = &mov_ops, },
> -       { .name = "dec",   .ops  = &dec_ops, },
> -       { .name = "decl",  .ops  = &dec_ops, },
> -       { .name = "imul",  .ops  = &mov_ops, },
> -       { .name = "inc",   .ops  = &dec_ops, },
> -       { .name = "incl",  .ops  = &dec_ops, },
> -       { .name = "ja",    .ops  = &jump_ops, },
> -       { .name = "jae",   .ops  = &jump_ops, },
> -       { .name = "jb",    .ops  = &jump_ops, },
> -       { .name = "jbe",   .ops  = &jump_ops, },
> -       { .name = "jc",    .ops  = &jump_ops, },
> -       { .name = "jcxz",  .ops  = &jump_ops, },
> -       { .name = "je",    .ops  = &jump_ops, },
> -       { .name = "jecxz", .ops  = &jump_ops, },
> -       { .name = "jg",    .ops  = &jump_ops, },
> -       { .name = "jge",   .ops  = &jump_ops, },
> -       { .name = "jl",    .ops  = &jump_ops, },
> -       { .name = "jle",   .ops  = &jump_ops, },
> -       { .name = "jmp",   .ops  = &jump_ops, },
> -       { .name = "jmpq",  .ops  = &jump_ops, },
> -       { .name = "jna",   .ops  = &jump_ops, },
> -       { .name = "jnae",  .ops  = &jump_ops, },
> -       { .name = "jnb",   .ops  = &jump_ops, },
> -       { .name = "jnbe",  .ops  = &jump_ops, },
> -       { .name = "jnc",   .ops  = &jump_ops, },
> -       { .name = "jne",   .ops  = &jump_ops, },
> -       { .name = "jng",   .ops  = &jump_ops, },
> -       { .name = "jnge",  .ops  = &jump_ops, },
> -       { .name = "jnl",   .ops  = &jump_ops, },
> -       { .name = "jnle",  .ops  = &jump_ops, },
> -       { .name = "jno",   .ops  = &jump_ops, },
> -       { .name = "jnp",   .ops  = &jump_ops, },
> -       { .name = "jns",   .ops  = &jump_ops, },
> -       { .name = "jnz",   .ops  = &jump_ops, },
> -       { .name = "jo",    .ops  = &jump_ops, },
> -       { .name = "jp",    .ops  = &jump_ops, },
> -       { .name = "jpe",   .ops  = &jump_ops, },
> -       { .name = "jpo",   .ops  = &jump_ops, },
> -       { .name = "jrcxz", .ops  = &jump_ops, },
> -       { .name = "js",    .ops  = &jump_ops, },
> -       { .name = "jz",    .ops  = &jump_ops, },
> -       { .name = "lea",   .ops  = &mov_ops, },
> -       { .name = "lock",  .ops  = &lock_ops, },
>         { .name = "mov",   .ops  = &mov_ops, },
> -       { .name = "movb",  .ops  = &mov_ops, },
> -       { .name = "movdqa",.ops  = &mov_ops, },
> -       { .name = "movl",  .ops  = &mov_ops, },
> -       { .name = "movq",  .ops  = &mov_ops, },
> -       { .name = "movslq", .ops  = &mov_ops, },
> -       { .name = "movzbl", .ops  = &mov_ops, },
> -       { .name = "movzwl", .ops  = &mov_ops, },
>         { .name = "nop",   .ops  = &nop_ops, },
> -       { .name = "nopl",  .ops  = &nop_ops, },
> -       { .name = "nopw",  .ops  = &nop_ops, },
>         { .name = "or",    .ops  = &mov_ops, },
> -       { .name = "orl",   .ops  = &mov_ops, },
> -       { .name = "test",  .ops  = &mov_ops, },
> -       { .name = "testb", .ops  = &mov_ops, },
> -       { .name = "testl", .ops  = &mov_ops, },
> -       { .name = "xadd",  .ops  = &mov_ops, },
> -       { .name = "xbeginl", .ops  = &jump_ops, },
> -       { .name = "xbeginq", .ops  = &jump_ops, },
> -       { .name = "retq",  .ops  = &ret_ops, },
>  };
>
>  struct instructions_powerpc {
>
> Ideally ARM would - like this powerpc implementation - add a
> ins__find_arm() to handle its condition codes, but, for now, is
> it possible to merge this change into this series?  I can post a
> follow-up patch if not.
>
> Thanks,
>
> Kim


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