Lukas Grässlin wrote: > These are results I got from testing today. (Cant tell you why gprof now > lists all the strcmp, strlen etc functions. In my first test it only > showed me the functions from partclone itself, however) > > (normally the crc32 function would be on the top but i commented its > functionallity out for testing) > > > > 0.00 0.73 0.00 690183 0.00 0.00 log_mesg > 0.00 0.73 0.00 131073 0.00 0.00 Ncurses_progress_update > 0.00 0.73 0.00 131073 0.00 0.00 calculate_speed > 0.00 0.73 0.00 131073 0.00 0.00 update_pui > > > > 2.94 0.55 0.02 1036528 0.00 0.00 log_mesg > 0.00 0.68 0.00 262146 0.00 0.00 progress_update > 0.00 0.68 0.00 262146 0.00 0.00 update_pui > > > As you can see these functions are called very often which affects (at > least on my machines) in very high cpu load. > > There is an option "-f" of partclone which you might be interested to give it try. You can tune it to see if any difference. BTW, maybe you can also give Clonezilla live 1.2.2-14 a try? It's partclone is older, and we might have a regression somewhere... Please let us know the results. Thanks.
Regards, Steven. > On 14.04.2010 10:33, Steven Shiau wrote: > >> Yes, Thomas Tsai is working on the improvement of partclone. >> >> Lukas, >> Please send us gprof results you have. >> Thanks. >> >> Steven. >> >> On 2010/4/14 下午 02:43, Lukas Grässlin wrote: >> >>> Regarding the perfmance of partclone: Look at the "on-the-fly >>> performance" Thread in this mailing list. >>> >>> Partclone does some odd things which slow down the speed. You can >>> improve this by saying not to use the gui. (I think this is in the >>> expert options). But it stills does stupid things, like calculating the >>> speed too often which resultes in high cpu load. >>> >>> Regards, >>> Lukas >>> >>> On 14.04.2010 06:39, Jorge Fábregas wrote: >>> >>>> Hello Steven, >>>> >>>> I've been using Clonezilla happily for more than 2 years and I always used >>>> the >>>> custom options and specifically partimage as the cloning tool. Since >>>> partimage >>>> seems to be a dead project (and no support for ext4) and considering that >>>> Clonezilla uses partclone as the default option I decided to use this. >>>> >>>> My observation was that partclone takes some more time. When it started >>>> saving the partition, I wasn't sure what it was doing. There was some >>>> progress indicator (percentage) (Generating bitmap..) and I after that it >>>> started again another progress indicator (I guess the actual creation of >>>> the >>>> image). I'm a bit confused about these 2 steps as soon as partclone >>>> starts. >>>> Any tip will be appreciated. (just curious). >>>> >>>> Thanks for Clonezillla. >>>> >>>> Best regards, >>>> Jorge >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Download Intel® Parallel Studio Eval >>>> Try the new software tools for yourself. Speed compiling, find bugs >>>> proactively, and fine-tune applications for parallel performance. >>>> See why Intel Parallel Studio got high marks during beta. >>>> http://p.sf.net/sfu/intel-sw-dev >>>> _______________________________________________ >>>> Clonezilla-live mailing list >>>> Clonezilla-live@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/clonezilla-live >>>> >>> > > > -- Steven Shiau <steven _at_ nchc org tw> <steven _at_ stevenshiau org> National Center for High-performance Computing, Taiwan. http://www.nchc.org.tw Public Key Server PGP Key ID: 1024D/9762755A Fingerprint: A2A1 08B7 C22C 3D06 34DB F4BC 08B3 E3D7 9762 755A ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Clonezilla-live mailing list Clonezilla-live@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/clonezilla-live
