[RFC PATCH 0/2] Use event group to simulate PMI

[Lin Ming]

Hi, all

The followed 2 patches are based on the discussions at:
http://marc.info/?l=linux-kernel&m=128220854801819&w=2
http://marc.info/?l=linux-kernel&m=128317758627990&w=2

[RFC PATCH 1/2] perf: Enable group siblings on exec if attr::enable_on_exec set
[RFC PATCH 2/2] perf stat: Use event group to simulate PMI on PMI-less hardware counter

Any comments?

Thanks,
Lin Ming

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