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Diffstat (limited to 'doc/libproc.supp')
| -rw-r--r-- | doc/libproc.supp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/doc/libproc.supp b/doc/libproc.supp new file mode 100644 index 0000000..d7f92d3 --- /dev/null +++ b/doc/libproc.supp @@ -0,0 +1,78 @@ +# +# This is a warning-suppression file for valgrind supplied by libproc +# to be used with the option: --suppressions=<path-for>/libproc.supp. +# +# Memory leak warnings will only be encountered when a multi-threaded +# program has called the 'procps_pids' interface. That's because this +# library employs heap based memory in a thread safe manner. However, +# such memory will not be freed until the address space is reclaimed. +# +# When a sibling thread using this 'procps_pids' API ends, or if some +# other thread in that address space calls 'pthread_cancel()' on such +# a thread, valgrind will warn that some memory is 'definitely lost'. +# +# The majority of warnings depend on the 'pids_item' enumerators that +# have been specified using 'procps_pids_new' or 'procps_pids_reset'. +# +# Single-threaded applications will not experience any such warnings. +# + +## always present 'definitely lost' warnings +# 2 blocks of 128k each +{ + HEAP_BASED_TLS_startup + Memcheck:Leak + ... + fun:openproc +} + +## for most of the 'definitely lost' warnings +# up to 4 blocks ranging from 1024 to 2048 bytes each +{ + HEAP_BASED_TLS_input + Memcheck:Leak + ... + fun:file2str +} + +## additional potential 'definitely lost' warnings +# 48 bytes for each user +{ + HEAP_BASED_TLS_users + Memcheck:Leak + ... + fun:pwcache_get_user +} +# 48 bytes for each group +{ + HEAP_BASED_TLS_groups + Memcheck:Leak + ... + fun:pwcache_get_group +} +# 40 bytes for each tty +{ + HEAP_BASED_TLS_terminals + Memcheck:Leak + ... + fun:dev_to_tty +} + +## remaining potential 'definitely lost' warnings +# 16 bytes + sizeof name for each lxc container +{ + HEAP_BASED_TLS_lxc + Memcheck:Leak + ... + fun:lxc_containers +} + +## in case an installed library has been stripped, +## this will embrace all of the above warning categories +{ + HEAP_BASED_TLS_library + Memcheck:Leak + ... + obj:/usr/*lib*/libproc* + obj:/usr/local/*lib*/libproc* +} |