From: "Kinney, Michael D" <michael.d.kinney@intel.com>
To: Michael Zimmermann <sigmaepsilon92@gmail.com>,
Arka Sharma <arka.sw1988@gmail.com>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Subject: Re: "[edk] Caculating time delay in milliseconds"
Date: Thu, 2 Mar 2017 18:08:41 +0000 [thread overview]
Message-ID: <E92EE9817A31E24EB0585FDF735412F57D12258A@ORSMSX113.amr.corp.intel.com> (raw)
In-Reply-To: <CAN9vWDKs+3Aa+9G9-ti+8pTKb29-Q7=rLpqeUARoTUVS9Wbx1w@mail.gmail.com>
For UEFI Drivers/Applications there is also the EFI_TIMESTAMP_PROTOCOL
if it is available on your platform.
Mike
> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Michael
> Zimmermann
> Sent: Thursday, March 2, 2017 4:06 AM
> To: Arka Sharma <arka.sw1988@gmail.com>
> Cc: edk2-devel@lists.01.org
> Subject: Re: [edk2] "[edk] Caculating time delay in milliseconds"
>
> AFAIK the only way to do that is to use the platform specific TimerLib
> like this:
>
> UINT64
> GetTimeMs (
> VOID
> )
> {
> return GetTimeInNanoSecond(GetPerformanceCounter()) / 1000000ULL;
> }
>
> Thanks
> Michael
>
> On Thu, Mar 2, 2017 at 12:53 PM, Arka Sharma <arka.sw1988@gmail.com> wrote:
> > gRT->GetTime() is accurate about seconds.Is there any way to calculate
> > time difference in milliseconds ?
> > Let's say
> >
> > Time1 = GetTimeMs();
> >
> > //
> > // Some tasks
> > //
> >
> > Time2 = GetTimeMs();
> >
> > //
> > // Time taken
> > //
> > GetTimeDiff (Time1, Time2);
> >
> > Something like this
> >
> > Regards,
> > Arka
> > _______________________________________________
> > edk2-devel mailing list
> > edk2-devel@lists.01.org
> > https://lists.01.org/mailman/listinfo/edk2-devel
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
next prev parent reply other threads:[~2017-03-02 18:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-02 11:53 "[edk] Caculating time delay in milliseconds" Arka Sharma
2017-03-02 12:05 ` Michael Zimmermann
2017-03-02 18:08 ` Kinney, Michael D [this message]
2017-03-06 4:20 ` Arka Sharma
2017-03-06 4:30 ` Arka Sharma
2017-03-06 6:52 ` Michael Zimmermann
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