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Paging File details

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23 replies to this topic

#1
popov

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Is there any way of viewing what is being actively processed by paging file? Tool or command? Thanks in advance.


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#2
submix8c

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I think that's proprietary info and is controlled by the OS. You COULD search for some old Intel Assembly PDF information files that MIGHT tell "how it works".

A smattering of info (and links) here -
http://www.help2go.c...-page-file.html

You ARE aware that only those parts of Real Ram are being swapped in/out and will PROBABLY not be a FULL program in Memory unless it FIXES the Page there. So, it's kind of doubtful that any "utility" exists for that.

Why would you want to do that anyway? Something suspicious being "executed" or "hiding" there?

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#3
popov

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It keeps working and working all the time, lags computer and task manager shows more than 3/4 ram still free. Also your link doesn't work, maybe I need account there?

Edited by popov, 04 April 2013 - 11:35 PM.


#4
allen2

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Sysinternals vmmap might help.

#5
CharlotteTheHarlot

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You need to supply a bit more info, like ...

  • How much RAM? Is it one or two sticks and are they "matched" and operating in dual-channel mode?
  • What are the swap settings in: Control Panel > System > Advanced > Performance > Advanced > Virtual Memory > Change It may be set for a specific size rather than letting the system manage the size.
  • Are the HDD's working correctly? Control Panel > System > Hardware > Device Manager > IDE ATA /ATAPI Controllers double-click on Primary IDE Channel and then on the Advanced Settings tab and see what the Current Transfer Mode is.
Checking the above will help make sure the HDD, RAM and paging are working correctly. However, a lot of people still confuse disk thrashing from normal paging of programs in memory with the completely separate issue of secondary Tasks, Services and Startups which are three different groups of things that might be running additionally to your normal programs. Examples are Antivirus, Windows Update, Disk Indexing, System Restore points, Adobe, Java, Google ( and countless other ) updaters. Any one of them could tie up disk activity, several running simultaneously could create a nightmare. So it is important to first rule them out before making core system adjustments.

Since you're using WinXP, you can of course try ProcMon to watch everything that is happening in a single list. You can screen out known things in realtime by right-clicking them as they occur ( registry access etc ) until you whittle down the list to likely suspects. Another way to do it is with ProcExp which is a task manager view of loaded programs, and if you are watching the screen and notice disk thrashing you might spot a task that goes red for some clues. DiskMon specifically monitors HDD usage and does some logging which is listed by sector, so if you kow the physical location of the pagefile is it might be useful. To locate the physical pagefile ( or any other file ) try DiskView. They also have PageDefrag which might tell you the paging file is badly fragmented and you can set it to be defragged on the next boot. Those are System Internals programs and are all included in the Suite.

EDIT: typo

Edited by CharlotteTheHarlot, 05 April 2013 - 01:06 PM.

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#6
submix8c

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It keeps working and working all the time, lags computer and task manager shows more than 3/4 ram still free. Also your link doesn't work, maybe I need account there?

Per the "link" - wow! It worked when I posted it.

Maybe it's NOT the Paging that's the problem. MAYBE you have a PROGRAM/TASK/SERVICE running eating you "alive". In Task Manager, click the PROCESSES tab, click in the CPU column TWICE to see which PROGRAM is using the CPU. You may be misguided thinking it's all about the RAM/PAGING which gets USED by a running Program(s). -AND/OR- use the first two programs listed by CharlotteTheHarlot, which will give more detailed information. You could very well have a Trojan/Virus instead of a legitimate program that's in "runaway" mode. In addition, CCleaner and/or Spybot will list anything that's RUN/RUNONCE/Startup/(Services) listed in the Registry to give us a clue ("generated" program names may mean you have a "bug").

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#7
cluberti

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It is worth noting that the paging file can be used to store memory pages, but pages stored in the paging file cannot be actively used (thus any memory page access to a page that has been moved from RAM to the paging file must be paged back in and then used). If you have constant paging file access, then you have a program that is causing the paging activity (the memory manager wouldn't be paging things out on it's own with that much RAM free, if that really is the case).

When does this happen, how are you determining it's paging file activity (and not simply disk I/O), and when did this behavior start?
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#8
vinifera

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It keeps working and working all the time, lags computer


probably because your hard drive is fragmented or old
beside if you're on XP and have more than 1 GB memory (yup even if its 1024 + 256 MB)
then disable page file, its more resource hog than anything good or useful

Edited by vinifera, 05 April 2013 - 03:47 PM.

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try Longhorn builds: 3718, 4029, 4066

#9
ND22

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I would not disable the page file unless you have 2 gb of ram in your system. Memory consumption can easily exceed 1 gb with heavy browsing sessions, multiple applications opened and large excel files. From my personal experience I disabled the page file on an old Athlon xp system with 1 gb of ram and I soon ran into trouble; upgrading to 2 gb of ram solved the problem.
PS: memory utilization at the moment on the above computer is: 1.05gb of ram according to task manager.

Edited by ND22, 06 April 2013 - 01:58 AM.


#10
popov

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Thanks all for answers.

Yes, I have some updaters and antivirus running all the time, but they they still take less than 1/4 of my total memory. Except web browser, antivirus is biggest resource hog, but I'd say that it's still fast compared to competition. There are no hidden background scans, I have configured it in such a way, that every action is on demand. System is configured properly, indexing is disable and prefetcher is on. Paging file is managed by windows and is in 1 fragment. It might be disk thrashing actually, I am not really sure, but for example system using 300 MB's of memory is also using 500 MB's of page file, while I have 1 GB. Hard disk is pretty old, but never had any bad sectors and it's being constantly checked and defragmented. I am still analyzing system with various tools, I'll post results later.

Btw, just to clarify - I don't use any memory managers, I have tested how they work and in fact I want something completely opposite.

Edited by popov, 06 April 2013 - 03:15 PM.


#11
submix8c

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Do you have MORE THAN ONE antivirus running? BIG NO-NO!!! Thrashing may very well occur because one is checking the other constantly. Try disabling those "updaters" and see what happens.

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#12
popov

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No, I have only one antivir, and it is configured to scan only on demand.

Also I have found this:

http://windowsitpro....examining-xperf

Seems that I need xperf folder from "Windows Performance Toolkit". The point is, I don't have it. Is it possible for somebody to upload it somewhere?

#13
submix8c

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WTF dude? That link clearly gives ANOTHER link that then gives ANOTHER link to the SDK. AND that LAST link clearly states that you can go to ANOTHER link to get the COMPLETE ISO -OR- use the Download to SELECTIVELY download what you want!
http://www.microsoft...ls.aspx?id=8279
HERE is how you "select" what you want -
http://www.drdobbs.c...oolki/227001079
Inside that is a reference to an (apparently) older version -
http://www.microsoft...ls.aspx?id=3138
The process of GETTING it should be the same (v7 versus v7.1).
A smattering of info on usage -
http://windowsitpro....examining-xperf
P.S. more info about it -
http://social.msdn.m...00-8eab63ee79ab
LIMITED functionality.

NO WAY will anyone give you something you can get yourself, ESPECIALLY Microsoft Software. Then it becomes... WAREZ!

Try disabling those "updaters" and see what happens.

Did you even TRY that?

BTW, what makes you think that XPERF is going to help your analysis? Don't care to actually troubleshoot by TRYING to disable some actively running programs to see who the CULPRIT is?

Edited by submix8c, 06 April 2013 - 04:56 PM.

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#14
allen2

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Just so it is clear: Xperf isn't fully support on XP.

#15
submix8c

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P.S. more info about it -
http://social.msdn.m...00-8eab63ee79ab
LIMITED functionality.

...and inside that is the link just given ("follow the yellow brick road"). But, Thx, allen2 for ensuring the OP didn't miss that due to NOT reading. (Sigh, so many don't, either...)

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#16
cluberti

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Honestly, if it's just disk activity and we're talking about XP, procmon would be a good place to start looking at what's going on. XPerf might be helpful on XP, but it's severely limited compared to data capture on Vista and higher, so it's not the best place to start if you're still investigating (which given the responses from the OP, we don't know for sure if it's paging file activity or not).
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#17
jaclaz

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Even more simply, you can add a "column" in Task Manager and see which processes write (or read) the more bytes, it is not "exact", but give pretty much the idea of what is hogging.

http://www.myitforum...iew.asp?id=5254

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#18
CharlotteTheHarlot

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Even more simply, you can add a "column" in Task Manager and see which processes write (or read) the more bytes, it is not "exact", but give pretty much the idea of what is hogging.

Good point, I always forget about those. And if he gets the "real" task manager called ProcExp, he'll have much more to choose from :thumbup

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#19
popov

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I have installed full 7.1 suite and can't find it. Seems that I am not alone with this problem: http://social.msdn.m...3-5407b49e9f9c/

Also I don't see how copying single public file would be warez, what's the difference between getting one file and whole iso?

#20
bphlpt

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Also I don't see how copying single public file would be warez, what's the difference between getting one file and whole iso?


The difference is what you are allowed to do as specified in the MS EULA. Follow the links carefully and try again.

Cheers and Regards

Edited by bphlpt, 09 April 2013 - 10:32 PM.

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#21
bphlpt

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Also I don't see how copying single public file would be warez, what's the difference between getting one file and whole iso?


The difference is what you are allowed to do as specified in the MS EULA. Follow the links carefully and try again.

Cheers and Regards

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#22
cluberti

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bphlpt is correct - if someone has copyrighted their product and/or code, then without their explicit permission you are not allowed to copy it (hence copy right). If they do not also give permission to redistribute their product and/or code to someone, acquiring the file from that person or entity also violates the copyright.
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#23
submix8c

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...and DUH!!! Just installing the "suite" doesn't give you the FILE you want! Read further the links(s) I gave. It (they) SPECIFICALLY SAY you need to go to "such-and-such" folder and double click the CORRECT "(whatever).MSI" file to INSTALL the stuff!

As bphlpt said

Follow the links carefully and try again.

That means READ THEM! You "assume" too much, i.e. "I installed and it's not there". Ah, but the SECONDARY MSI INSTALLER IS (where the PROGRAMS are). The "package" you installed is all-inclusive for an Administrator to work with MANY OS' and it would be just DUMB to install unneeded components!

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#24
popov

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bphlpt is correct - if someone has copyrighted their product and/or code, then without their explicit permission you are not allowed to copy it (hence copy right). If they do not also give permission to redistribute their product and/or code to someone, acquiring the file from that person or entity also violates the copyright.



I was just asking because I need tiny file and in order to get it legally, I am forced to download and burn whole iso, install suite and then after, again install needed components.

@submix8c

Hah. You should also read link I gave, guy there has exactly same problem as I do, and xperf isn't installed with secondary installer, even when installer is there. Maybe because it's WinXP, not Vista. As I mentioned above and in that link, correct way of obtaining xperf is getting whole ISO.




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