Re: [PATCH v4 2/3] [ARM] perfevents: Add support for Scorpionperformance monitors
From: Jean Pihet
Date: Wed Mar 16 2011 - 05:13:53 EST
On Tue, Mar 15, 2011 at 4:58 PM, Sheetal Sahasrabudhe
> Hi Will/Jean,
> On Mon, March 14, 2011 6:35 pm, Bryan Huntsman wrote:
>> On 03/09/2011 09:16 AM, Sheetal Sahasrabudhe wrote:
>>> This commit adds support for performance monitors provided by
>>> Qualcomm Scorpion and ScorpionMP processor to perfevents.
>>> Signed-off-by: Sheetal Sahasrabudhe <sheetals@xxxxxxxxxxxxxx>
>>> Reviewed-by: Jean Pihet <j-pihet@xxxxxx>
>>> Reviewed-by: Will Deacon <will.deacon@xxxxxxx>
>>> arch/arm/include/asm/perf_event.h | 2 +
>>> arch/arm/kernel/perf_event.c | 11 +
>>> arch/arm/kernel/perf_event_msm.c | 679 +++++++++++++++++++++++++++++++++++++
>>> 3 files changed, 692 insertions(+), 0 deletions(-)
>>> create mode 100644 arch/arm/kernel/perf_event_msm.c
>>> diff --git a/arch/arm/kernel/perf_event_msm.c b/arch/arm/kernel/perf_event_msm.c
>>> new file mode 100644
>>> index 0000000..4e42f27
>>> --- /dev/null
>>> +++ b/arch/arm/kernel/perf_event_msm.c
>>> +#include <asm/vfp.h>
>>> +#include <asm/system.h>
>>> +#include "../vfp/vfpinstr.h"
>> Sorry I didn't see this earlier. Is there another way to get the info
>> you need that wouldn't use a relative include path? If the info from
>> vfpinstr.h is now needed outside of the vfp directory, can it be moved
>> to a common header instead? Thanks.
Good catch! Sorry I did not catch this one while reviewing the code.
>> - Bryan
> I see other files under vfp that include this header.
> So if we were to implement Bryan's suggestion, I think a separate patch that moves the header and updates all the depdendencies would be more appropriate.
> Are you okay with the relative include path for vfpinstr.h in this patch for now or would you want to see an update to move vfpinstr.h to include/asm?.
Adding Russell and Nicolas for the VFP question.
Only fmrx and fmxr are used from "../vfp/vfpinstr.h". Can those be
moved to arch/arm/include/asm/vfp.h?
What is the best solution to this?
> Sent by an employee of the Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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