Re: [PATCH] powerpc/perf: prevent mixed EBB and non-EBB events

2021-04-06 Thread Athira Rajeev
> On 05-Mar-2021, at 11:20 AM, Athira Rajeev > wrote: > > > >> On 24-Feb-2021, at 5:51 PM, Thadeu Lima de Souza Cascardo >> wrote: >> >> EBB events must be under exclusive groups, so there is no mix of EBB and >> non-EBB events on the same PMU. This requirement worked fine as perf core >

Re: [PATCH] powerpc/perf: prevent mixed EBB and non-EBB events

2021-03-04 Thread Athira Rajeev
> On 24-Feb-2021, at 5:51 PM, Thadeu Lima de Souza Cascardo > wrote: > > EBB events must be under exclusive groups, so there is no mix of EBB and > non-EBB events on the same PMU. This requirement worked fine as perf core > would not allow other pinned events to be scheduled together with exc

[PATCH] powerpc/perf: prevent mixed EBB and non-EBB events

2021-02-24 Thread Thadeu Lima de Souza Cascardo
EBB events must be under exclusive groups, so there is no mix of EBB and non-EBB events on the same PMU. This requirement worked fine as perf core would not allow other pinned events to be scheduled together with exclusive events. This assumption was broken by commit 1908dc911792 ("perf: Tweak per