Adrian Hunter writes:
> On 8/04/21 6:31 pm, Alexander Shishkin wrote:
>> diff --git a/tools/perf/arch/x86/util/intel-pt.c
>> b/tools/perf/arch/x86/util/intel-pt.c
>> index a6420c647959..d00707faf547 100644
>> --- a/tools/perf/arch/x86/util/intel-pt.c
>> +++ b/tools/perf/arch/x86/util/intel-pt.c
On 8/04/21 6:31 pm, Alexander Shishkin wrote:
> Turns out, the default setting of attr.aux_watermark to half of the total
> buffer size is not very useful, especially with smaller buffers. The
> problem is that, after half of the buffer is filled up, the kernel updates
> ->aux_head and sets up the
Turns out, the default setting of attr.aux_watermark to half of the total
buffer size is not very useful, especially with smaller buffers. The
problem is that, after half of the buffer is filled up, the kernel updates
->aux_head and sets up the next "transaction", while observing that
->aux_tail is
3 matches
Mail list logo
