Re: du in ROOT

WIHTOUT I meant, of course, sorry.

• Fons

Chiara Zampolli wrote:
> Sure, this I did.... :-)
> c.
>
>
> Fons Rademakers wrote:

>> And of course with the (TUnixSystem*) cast.
>>
>> Cheers, Fons.
>>
>>
>> Chiara Zampolli wrote:
>>>  :-)
>>> perfect, thanks!
>>> chiara
>>>
>>>
>>> Fons Rademakers wrote:
>>>> Hi Chiara,
>>>>
>>>>   don't use pointers ;-), but like this:
>>>>
>>>>            root [0] Long_t id;
>>>>            root [1] Long_t bsize;
>>>>            root [2] Long_t blocks;
>>>>            root [3] Long_t bfree;
>>>>            root [4] Int_t ciccio = 
>>>> (TUnixSystem*)gSystem->GetFsInfo("/dev/hda4/",&id,&bsize,&blocks,&bfree) 
>>>>
>>>>            root [5] bfree
>>>>
>>>> Cheers, Fons.
>>>>
>>>>
>>>>
>>>> Chiara Zampolli wrote:
>>>>> Hi Valeri,
>>>>>
>>>>>    thanks a lot! I have tried in fact, but I don't get anything 
>>>>> back. Am i missing something? See below:
>>>>>
>>>>>            
>>>>> zampolli_at_pcalice134:/home/zampolli/SOFT/AliRoot/AliRoot_NewTrunk>df -h
>>>>>            Filesystem            Size  Used Avail Use% Mounted on
>>>>>            /dev/hda2             9.7G  7.5G  1.7G  82% /
>>>>>            /dev/hda1              99M   23M   71M  25% /boot
>>>>>            none                 1013M     0 1013M   0% /dev/shm
>>>>>            /dev/hda4              99G   42M   99G   1% /mnt/extra
>>>>>            /dev/sda1             280G   46G  235G  17% /mnt/sata
>>>>>            AFS                   8.6G     0  8.6G   0% /afs
>>>>>            
>>>>> zampolli_at_pcalice134:/home/zampolli/SOFT/AliRoot/AliRoot_NewTrunk>root 
>>>>> -l
>>>>>
>>>>>            WELCOME to ALICE
>>>>>
>>>>>            root [0] Long_t* id;
>>>>>            root [1] Long_t* bsize;
>>>>>            root [2] Long_t* blocks;
>>>>>            root [3] Long_t* bfree;
>>>>>            root [4] Int_t ciccio = 
>>>>> (TUnixSystem*)gSystem->GetFsInfo("/dev/hda4/",id,bsize$
>>>>>            root [5] ciccio
>>>>>            (Int_t)(1)
>>>>>            root [6]
>>>>> I have tried also to pass as the first argument the path of where 
>>>>> the file system is mounted, but in this case it crashes, see here.
>>>>> Thanks again,
>>>>>
>>>>>          chiara
>>>>>
>>>>> ****
>>>>> root [0] Long_t* id;
>>>>> root [1] Long_t* bsize;
>>>>> root [2] Long_t* blocks;
>>>>> root [3] Long_t* bfree;
>>>>> root [4] Int_t ciccio = 
>>>>> (TUnixSystem*)gSystem->GetFsInfo("/mnt/sata/",id,bsize$
>>>>>
>>>>> *** Break *** segmentation violation
>>>>> Using host libthread_db library "/lib/tls/libthread_db.so.1".
>>>>> Attaching to program: /proc/24812/exe, process 24812
>>>>> [Thread debugging using libthread_db enabled]
>>>>> [New Thread -1209039168 (LWP 24812)]
>>>>> 0x005de7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
>>>>> #1  0x00682f13 in __waitpid_nocancel () from /lib/tls/libc.so.6
>>>>> #2  0x0062c7b9 in do_system () from /lib/tls/libc.so.6
>>>>> #3  0x0088298d in system () from /lib/tls/libpthread.so.0
>>>>> #4  0x00b25380 in TUnixSystem::Exec (this=0x87cf528,
>>>>> #5  0x00b25834 in TUnixSystem::StackTrace (this=0x87cf528)
>>>>>    at core/unix/src/TUnixSystem.cxx:2121
>>>>> #6  0x00b23679 in TUnixSystem::DispatchSignals (this=0x87cf528,
>>>>>    sig=kSigSegmentationViolation) at 
>>>>> core/unix/src/TUnixSystem.cxx:1089
>>>>> #7  0x00b21515 in SigHandler (sig=kSigSegmentationViolation)
>>>>>    at core/unix/src/TUnixSystem.cxx:351
>>>>> #8  0x00b2858c in sighandler (sig=11) at 
>>>>> core/unix/src/TUnixSystem.cxx:3344
>>>>> #9  <signal handler called>
>>>>> #10 0x00b29027 in TUnixSystem::UnixFSstat (path=0x8a2641c 
>>>>> "/mnt/sata/",
>>>>>    id=0x0, bsize=0x0, blocks=0x0, bfree=0x0)
>>>>>    at core/unix/src/TUnixSystem.cxx:3790
>>>>> #11 0x00b244c2 in TUnixSystem::GetFsInfo (this=0x87cf528,
>>>>>    path=0x8a2641c "/mnt/sata/", id=0x0, bsize=0x0, blocks=0x0, 
>>>>> bfree=0x0)
>>>>>    at core/unix/src/TUnixSystem.cxx:1463
>>>>> #12 0x00c2c5c2 in G__G__Base2_221_0_89 ()
>>>>> ....
>>>>>
>>>>> Fine, Valeri wrote:
>>>>>> Check
>>>>>>
>>>>>> http://root.cern.ch/root/html/TSystem.html#TSystem:GetFsInfo
>>>>>>
>>>>>>   Get info about a file system:
>>>>>>   fs type,   block size,   number of blocks,
>>>>>>   number of free blocks.
>>>>>>
>>>>>> http://root.cern.ch/root/html/TUnixSystem.html#TUnixSystem:GetFsInfo
>>>>>>
>>>>>>
>>>>>> Best Regards
>>>>>>                          Valeri Fine
>>>>>> ---------------
>>>>>> Brookhaven National Laboratory
>>>>>> Upton, NY 11973, USA
>>>>>> Phone: +1 631 344 7806
>>>>>> Fax:     +1 631 344 4206
>>>>>> E-mail: fine_at_bnl.gov
>>>>>>
>>>>>>  
>>>>>>> -----Original Message-----
>>>>>>> From: owner-roottalk_at_root.cern.ch 
>>>>>>> [mailto:owner-roottalk_at_root.cern.ch]
>>>>>>>     
>>>>>> On
>>>>>>  
>>>>>>> Behalf Of Chiara Zampolli
>>>>>>> Sent: Wednesday, November 26, 2008 10:29 AM
>>>>>>> To: Rene Brun
>>>>>>> Cc: Root
>>>>>>> Subject: Re: [ROOT] du in ROOT
>>>>>>>
>>>>>>> Hi Rene,
>>>>>>>
>>>>>>>     yes, I know. I was wondering whether this was already 
>>>>>>> implemented
>>>>>>>     
>>>>>> as
>>>>>>  
>>>>>>> a method of some class, because what I would need is then to see how
>>>>>>> much free space I have left (in percentage), which would mean to 
>>>>>>> call
>>>>>>> awk, but if you had something like GetDiskUsed() and
>>>>>>>     
>>>>>> GetDiskAvailable(),
>>>>>>  
>>>>>>> it would have been nicer...
>>>>>>>     Thanks!
>>>>>>>
>>>>>>>              c.
>>>>>>>
>>>>>>>
>>>>>>> Rene Brun wrote:
>>>>>>>  
>>>>>>>> Chiara,
>>>>>>>>
>>>>>>>> You can always do:
>>>>>>>> gSystem->Exec("du . >du.log")
>>>>>>>>
>>>>>>>> Rene Brun
>>>>>>>>
>>>>>>>> Chiara Zampolli wrote:
>>>>>>>>  
>>>>>>>>> Hi all,
>>>>>>>>>
>>>>>>>>>    is there a way in ROOT to get the same information as those one
>>>>>>>>> can get from the unix command du?
>>>>>>>>>    Thanks and cheers,
>>>>>>>>>
>>>>>>>>>             Chiara
>>>>>>>>>
>>>>>>>>>         
>>>>>>
>>>>>>   
>>>>>
>>>>
>>>
>>

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