slabtop fails - /proc/slabinfo not present in Gutsy 64bit

Bug #129621 reported by David Horner
6
Affects Status Importance Assigned to Milestone
procps (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

updated from repositories Aug 1st.

Kernel 2.6.22-9 generic

Revision history for this message
David Horner (ds2horner) wrote :

The key problem is /proc/slabinfo not present

Revision history for this message
Koen (koen-beek) wrote :

confirmed on gutsy amd64
slabtop returns with error message : fopen /proc/slabinfo: No such file or directory

tried it on hardy amd64
there slabtop works and /proc/slabinfo exists

Changed in procps:
status: New → Confirmed
Revision history for this message
Steve Jenson (stevej-pobox) wrote :

Confirmed on gutsy x86_64 (MacPro booting Gutsy):

stevej@thor:~$ slabtop
fopen /proc/slabinfo: No such file or directory

Revision history for this message
Steve Jenson (stevej-pobox) wrote :

So Gutsy's kernel doesn't have a /proc/slabinfo because the SLAB allocator was replaced with SLUB and slub didn't do /proc/slabinfo until 2.6.24-rc7: http://kerneltrap.org/Linux/2.6.24-rc7_A_Lot_of_Rather_Small_Changes

So short of upgrading gutsy to 2.6.24, I don't see how this bug can be resolved system-wide.

Kees Cook (kees)
Changed in procps (Ubuntu):
status: Confirmed → Invalid
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