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Message-ID: <20130627142614.GC13867@concordia> Date: Fri, 28 Jun 2013 00:26:14 +1000 From: Michael Ellerman <michael@...erman.id.au> To: Runzhen Wang <runzhen@...ux.vnet.ibm.com> Cc: linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, paulus@...ba.org, acme@...hat.com, sukadev@...ux.vnet.ibm.com, xiaoguangrong@...ux.vnet.ibm.com Subject: Re: [PATCH v3 1/2] perf tools: fix a typo of a Power7 event name On Tue, Jun 25, 2013 at 10:35:32PM +0800, Runzhen Wang wrote: > In the Power7 PMU guide: > https://www.power.org/documentation/commonly-used-metrics-for-performance-analysis/ > PM_BRU_MPRED is referred to as PM_BR_MPRED. > > It fixed the typo by changing the name of the event in kernel > and documentation accordingly. This patch fixes the typo by ... > This patch changes the ABI, there are some reasons I think it's ok: > > - It is relatively new interface, specific to the Power7 platform. > > - No tools that we know of actually use this interface at this point > (none are listed near the interface). > > - Users of this interface (eg oprofile users migrating to perf) > would be more used to the "PM_BR_MPRED" rather than "PM_BRU_MPRED". > > - These are in the ABI/testing at this point rather than ABI/stable, > so hoping we have some wiggle room. > > Signed-off-by: Runzhen Wang <runzhen@...ux.vnet.ibm.com> Acked-by: Michael Ellerman <michael@...erman.id.au> cheers -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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