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How is your general memory setup, i.e. amount of total RAM and how does it compare to the system need? If you are short on RAM programs with a high memory demand - darktable is one of them - might drive your system into heavy swapping. That could explain the drastic slowdown. As you wrote your data are located on a SSD. If your memory cache is on the same device, heavy swapping might get unnoticed - quit different to a mechanical HDD. Try program free (or htop) while darktable is running and see if there is significant swap activity from/to cache. Ulrich Am 28.02.2013 10:25, schrieb Roumano: > Hi, > > Nothing crazy on dmesg or /var/log/messages > > I was able to get a full trace (with convert) it's easier to reproduce > than darktable as it's only one commande line & more minimal output ... > > > strace -fC convert test.jpg -rotate 90 test2.jpg > /tmp/log2 2>&1 > > But i was'nt able to do the same with gdb as nothing is crashing & don't > have a lot of knowlgde on it ... > > $ gdb > GNU gdb (Gentoo 7.5.1 p2) 7.5.1 > Copyright (C) 2012 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later > <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show > copying" > and "show warranty" for details. > This GDB was configured as "x86_64-pc-linux-gnu". > For bug reporting instructions, please see: > <http://bugs.gentoo.org/>. > (gdb) exec-file /usr/bin/convert > (gdb) set logging on > Copying output to gdb.txt. > (gdb) run test.jpg -rotate 90 test2.jpg > Starting program: /usr/bin/convert test.jpg -rotate 90 test2.jpg > warning: Could not load shared library symbols for linux-vdso.so.1. > Do you need "set solib-search-path" or "set sysroot"? > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib64/libthread_db.so.1". > [New Thread 0x7fffe711d700 (LWP 10559)] > [New Thread 0x7fffe691c700 (LWP 10560)] > [New Thread 0x7fffe611b700 (LWP 10561)] > [New Thread 0x7fffe591a700 (LWP 10562)] > [New Thread 0x7fffe5119700 (LWP 10563)] > [New Thread 0x7fffe4918700 (LWP 10564)] > [New Thread 0x7fffe4117700 (LWP 10565)] > [Thread 0x7fffe4117700 (LWP 10565) exited] > [Thread 0x7fffe4918700 (LWP 10564) exited] > [Thread 0x7fffe591a700 (LWP 10562) exited] > [Thread 0x7fffe611b700 (LWP 10561) exited] > [Thread 0x7fffe691c700 (LWP 10560) exited] > [Thread 0x7fffe711d700 (LWP 10559) exited] > [Thread 0x7ffff7fbd780 (LWP 10555) exited] > [Inferior 1 (process 10555) exited normally] > (gdb) bt > No stack. > (gdb) quit > ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ darktable-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-devel
