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README: note that installing valgrind-devel maybe useful to developers (#6502) 

Commit also mentions that when running under valgrind we actually don't
execve() systemd-shutdown. We have a comment about this in the code, but
being upfront about this change in behavior doesn't hurt.
This commit is contained in:
Michal Sekletar 2017-08-30 13:07:43 +02:00 committed by Lennart Poettering
parent f8d8c6bc90
commit 7817154d5a
1 changed files with 6 additions and 3 deletions
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@ -291,9 +291,12 @@ WARNINGS:
https://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
To run systemd under valgrind, compile with VALGRIND defined
(e.g. ./configure CPPFLAGS='... -DVALGRIND=1'). Otherwise,
false positives will be triggered by code which violates
some rules but is actually safe.
(e.g. CPPFLAGS='... -DVALGRIND=1' meson <options>) and have valgrind
development headers installed (i.e. valgrind-devel or
equivalent). Otherwise, false positives will be triggered by code which
violates some rules but is actually safe. Note that valgrind generates
nice output only on exit(), hence on shutdown we don't execve()
systemd-shutdown.
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