infos about pstack

[glib-2.36.4]$ type pstack
pstack is hashed (/usr/bin/pstack)
[glib-2.36.4]$
[glib-2.36.4]$ rpm -q -f /usr/bin/pstack
pstack-1.2-7.2.2
[glib-2.36.4]$ rpm -iq pstack
Name        : pstack                       Relocations: (not relocatable)
Version     : 1.2                               Vendor: CentOS
Release     : 7.2.2                         Build Date: 2007Äê01ÔÂ07ÈÕ ÐÇÆÚÈÕ 07ʱ45·Ö16Ãë
Install Date: 2011Äê07ÔÂ15ÈÕ ÐÇÆÚÎå 16ʱ57·Ö45Ãë      Build Host: builder5.centos.org
Group       : Development/Debuggers         Source RPM: pstack-1.2-7.2.2.src.rpm
Size        : 887                              License: GPL
Signature   : DSA/SHA1, 2007Äê04ÔÂ04ÈÕ ÐÇÆÚÈý 08ʱ26·Ö54Ãë, Key ID a8a447dce8562897
Summary     : ÏÔʾһ¸öÕýÔËÐеĽø³ÌµÄ¶ÑÕ»¸ú×Ù
Description :
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