Change in ...osmo-hlr[master]: src/db.c: integrate SQLite3 with talloc allocator

fixeria gerrit-no-reply at lists.osmocom.org
Thu Jul 25 16:47:36 UTC 2019


Hello pespin, laforge, Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/c/osmo-hlr/+/14939

to look at the new patch set (#2).

Change subject: src/db.c: integrate SQLite3 with talloc allocator
......................................................................

src/db.c: integrate SQLite3 with talloc allocator

This change introduces an optional feature that allows to make
SQLite3 use talloc for all internal allocations. This would
facilitate finding memleaks. OsmoHLR needs to be configured
with '--enable-sqlite-talloc'.

  full talloc report on 'OsmoHLR' (total 292168 bytes in 449 blocks)
    struct osmo_gsup_server        contains    162 bytes in   3 blocks (ref 0)
      ...
    struct db_context              contains 288407 bytes in 420 blocks (ref 0)
      hlr.db                       contains      7 bytes in   1 blocks (ref 0)
    SQLite3                        contains 288192 bytes in 418 blocks (ref 0)
      db.c:95                      contains     48 bytes in   1 blocks (ref 0)
      db.c:95                      contains      2 bytes in   1 blocks (ref 0)
      ...

Unfortunately, old SQLite3 versions (such as 3.8.2) somehow become
unstable and fail to initialize the database with talloc. There is
a huge difference in heap usage footprint compared to malloc. At the
same time, the recent versions (at least 3.24.0), work just fine.

Change-Id: Icfe67ed0f063b63e6794f9516da3003d01cf20a7
---
M configure.ac
M src/db.c
2 files changed, 85 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-hlr refs/changes/39/14939/2
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Gerrit-Project: osmo-hlr
Gerrit-Branch: master
Gerrit-Change-Id: Icfe67ed0f063b63e6794f9516da3003d01cf20a7
Gerrit-Change-Number: 14939
Gerrit-PatchSet: 2
Gerrit-Owner: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <axilirator at gmail.com>
Gerrit-Reviewer: laforge <laforge at gnumonks.org>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newpatchset
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