Package: dialog
Version: 1.0-20050206-1
Severity: minor
To reproduce the problem set LC_ALL to some locale (not C or POSIX)
and execute:
dialog --menu text 0 0 0 $(seq 1 1000)
Scroll down by pressing the down arrow key. The scrolling is
extremely slow and consumes a lot of CPU. Increase the "1000"
in the command to see the effect better.
It seems that the cache_list in the inputstr.c module scales
very badly. Below is a part of the gprof output:
Each sample counts as 0.01 seconds.
% cumulative self self total
time seconds seconds calls s/call s/call name
51.35 126.42 126.42 45341 0.00 0.00 load_cache
48.37 245.49 119.07 45341 0.00 0.00 save_cache
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.9
Locale: LANG=C, LC_CTYPE=fi_FI.UTF-8 (charmap=UTF-8)
Versions of packages dialog depends on:
ii debianutils 2.11.2 Miscellaneous utilities specific t
ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an
ii libncursesw5 5.4-4 Shared libraries for terminal hand
-- no debconf information
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