Access Time by a function ?

NTDEV
1

Hi,

I am interested in finding out the access time(execution) taken by a function
in driver. I am working in win 2k environment. Please guide me in this regard.

Is there any function which can be used to get the current time ( with the possible
lowest resolution) similar to gettickcount() in VC++ ? GettickCount works on ms
(milisecond) resolution, i am interested in still lower resolution. This function is not
avl in driver.

Thanks,
Tushar

2

Well KeQueryTickCount is the equivalent of gettickcount or you could use
KeQueryPerformanceCounter or KeQueryInterruptTime.

Don Burn (MVP, Windows DDK)
Windows 2k/XP/2k3 Filesystem and Driver Consulting

----- Original Message -----
From: Tushar Samnerkar
To: Windows System Software Developers Interest List
Sent: Monday, September 01, 2003 8:04 AM
Subject: [ntdev] Access Time by a function ?

Hi,

I am interested in finding out the access time(execution) taken by a
function
in driver. I am working in win 2k environment. Please guide me in this
regard.

Is there any function which can be used to get the current time ( with the
possible
lowest resolution) similar to gettickcount() in VC++ ? GettickCount works on
ms
(milisecond) resolution, i am interested in still lower resolution. This
function is not
avl in driver.

Thanks,
Tushar

Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256

You are currently subscribed to ntdev as: xxxxx@acm.org
To unsubscribe send a blank email to xxxxx@lists.osr.com

3

Hi Don,

Thanks a lot for so quick response.
I will back to you if there is any related issue.
Thanks once again,

Tushar

----- Original Message -----
From: “Don Burn”
To: “Windows System Software Developers Interest List”
Sent: Monday, September 01, 2003 5:52 PM
Subject: [ntdev] Re: Access Time by a function ?

> Well KeQueryTickCount is the equivalent of gettickcount or you could use
> KeQueryPerformanceCounter or KeQueryInterruptTime.
>
> Don Burn (MVP, Windows DDK)
> Windows 2k/XP/2k3 Filesystem and Driver Consulting
>
> ----- Original Message -----
> From: Tushar Samnerkar
> To: Windows System Software Developers Interest List
> Sent: Monday, September 01, 2003 8:04 AM
> Subject: [ntdev] Access Time by a function ?
>
>
> Hi,
>
> I am interested in finding out the access time(execution) taken by a
> function
> in driver. I am working in win 2k environment. Please guide me in this
> regard.
>
> Is there any function which can be used to get the current time ( with the
> possible
> lowest resolution) similar to gettickcount() in VC++ ? GettickCount works
on
> ms
> (milisecond) resolution, i am interested in still lower resolution. This
> function is not
> avl in driver.
>
> Thanks,
> Tushar
> —
> Questions? First check the Kernel Driver FAQ at
> http://www.osronline.com/article.cfm?id=256
>
> You are currently subscribed to ntdev as: xxxxx@acm.org
> To unsubscribe send a blank email to xxxxx@lists.osr.com
>
>
>
> —
> Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256
>
> You are currently subscribed to ntdev as: xxxxx@nital.stpp.soft.net
> To unsubscribe send a blank email to xxxxx@lists.osr.com

4

Hi.

This worked for win2k. Could you suggest me similar
function to KeQueryTickCount/ KeQueryInterruptTime on win98.

Thanks,
Tushar

----- Original Message -----
From: Tushar Samnerkar
To: Windows System Software Developers Interest List
Cc:
Sent: Monday, September 01, 2003 6:02 PM
Subject: [ntdev] Re: Access Time by a function ?

> Hi Don,
>
> Thanks a lot for so quick response.
> I will back to you if there is any related issue.
> Thanks once again,
>
> Tushar
>
> ----- Original Message -----
> From: “Don Burn”
> To: “Windows System Software Developers Interest List”

> Sent: Monday, September 01, 2003 5:52 PM
> Subject: [ntdev] Re: Access Time by a function ?
>
>
> > Well KeQueryTickCount is the equivalent of gettickcount or you could use
> > KeQueryPerformanceCounter or KeQueryInterruptTime.
> >
> > Don Burn (MVP, Windows DDK)
> > Windows 2k/XP/2k3 Filesystem and Driver Consulting
> >
> > ----- Original Message -----
> > From: Tushar Samnerkar
> > To: Windows System Software Developers Interest List
> > Sent: Monday, September 01, 2003 8:04 AM
> > Subject: [ntdev] Access Time by a function ?
> >
> >
> > Hi,
> >
> > I am interested in finding out the access time(execution) taken by a
> > function
> > in driver. I am working in win 2k environment. Please guide me in this
> > regard.
> >
> > Is there any function which can be used to get the current time ( with
the
> > possible
> > lowest resolution) similar to gettickcount() in VC++ ? GettickCount
works
> on
> > ms
> > (milisecond) resolution, i am interested in still lower resolution. This
> > function is not
> > avl in driver.
> >
> > Thanks,
> > Tushar
> > —
> > Questions? First check the Kernel Driver FAQ at
> > http://www.osronline.com/article.cfm?id=256
> >
> > You are currently subscribed to ntdev as: xxxxx@acm.org
> > To unsubscribe send a blank email to xxxxx@lists.osr.com
> >
> >
> >
> > —
> > Questions? First check the Kernel Driver FAQ at
> http://www.osronline.com/article.cfm?id=256
> >
> > You are currently subscribed to ntdev as: xxxxx@nital.stpp.soft.net
> > To unsubscribe send a blank email to xxxxx@lists.osr.com
>
>
>
> —
> Questions? First check the Kernel Driver FAQ at
http://www.osronline.com/article.cfm?id=256
>
> You are currently subscribed to ntdev as: xxxxx@nital.stpp.soft.net
> To unsubscribe send a blank email to xxxxx@lists.osr.com