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How to check the vma maps of threads in /proc?



Title: How to check the vma maps of threads in /proc?

Hi, all,

        Id like to check the vma maps of created threads, but failed to do that. Currently all threads in a process group will only show as one entry in /proc with group id, right? When I pause the running threads and read the maps file under this entry, it seemed that only process information is recorded, such as:

---------------------------------------------

0000000008048000-000000000804c000 rwxp 0000000000000000 00:00 0

000000000804c000-000000000806c000 rwxp 0000000000000000 00:00 0

0000000040000000-0000000040014000 r-xp 0000000000000000 08:07 571222     /emul/ia32-linux/lib/ld-2.3.2.so

0000000040014000-0000000040018000 rwxp 0000000000000000 00:00 0

0000000040028000-000000004002c000 r-xp 0000000000010000 08:07 244950     /etc/ld.so.cache

000000004002c000-0000000040038000 r-xp 0000000000000000 08:07 440673     /emul/ia32-linux/lib/tls/libpthread-0.60.so

0000000040038000-0000000040040000 rwxp 0000000000000000 00:00 0

0000000040040000-0000000040170000 r-xp 0000000000000000 08:07 440669     /emul/ia32-linux/lib/tls/libc-2.3.2.so

0000000040170000-00000000479a8000 rwxp 0000000000000000 00:00 0

00000000bfffc000-00000000c0000000 rwxp 0000000000000000 00:00 0

00000000c0000000-00000000c0004000 r--p 0000000000000000 00:00 0

00000000c0008000-00000000c0018000 rw-p 0000000000000000 00:00 0

---------------------------------------------

        I just want to know if I missed something when kernel configuration, or need other effort to achieve the goal. Or is it complete impossible to check thread vmas in current kernel I just guess. :)

P.S. The environment is based on running 32bit binary on IPF platform.

Thanks,

Kevin


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