On 11/26/2013 11:36 AM, m...@ellerman.id.au wrote:
> Ideally your commit subject would contain a verb, preferably in the present
> tense.
>
> I think simply "perf: Add PERF_SAMPLE_BRANCH_COND" would be clearer.
Sure, will change it.
>
> On Wed, 2013-16-10 at 06:56:48 UTC, Anshuman Khandual wrote:
>> POWER8 PMU based BHRB supports filtering for conditional branches.
>> This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which
>> will extend the existing perf ABI. Other architectures can provide
>> this functionality with either HW filtering support (if present) or
>> with SW filtering of instructions.
>>
>> Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com>
>> Reviewed-by: Stephane Eranian <eran...@google.com>
>> ---
>> include/uapi/linux/perf_event.h | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/include/uapi/linux/perf_event.h
>> b/include/uapi/linux/perf_event.h
>> index 0b1df41..5da52b6 100644
>> --- a/include/uapi/linux/perf_event.h
>> +++ b/include/uapi/linux/perf_event.h
>> @@ -160,8 +160,9 @@ enum perf_branch_sample_type {
>> PERF_SAMPLE_BRANCH_ABORT_TX = 1U << 7, /* transaction aborts */
>> PERF_SAMPLE_BRANCH_IN_TX = 1U << 8, /* in transaction */
>> PERF_SAMPLE_BRANCH_NO_TX = 1U << 9, /* not in transaction */
>> + PERF_SAMPLE_BRANCH_COND = 1U << 10, /* conditional branches */
>>
>> - PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */
>> + PERF_SAMPLE_BRANCH_MAX = 1U << 11, /* non-ABI */
>> };
>
> This no longer applies against Linus' tree, you'll need to rebase it.
Okay
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