https://bugs.kde.org/show_bug.cgi?id=397476
Bug ID: 397476
Summary: Heaptrack doesn't read symbols when callee is invoker
via explicit dynamic loader
Product: Heaptrack
Version: unspecified
Platform: Debian testing
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Applies to heaptrack 1.0.0 and 1.1.0.
Heaptrack works perfectly well when invoked
$ heaptrack CALLEE
Heaptrack gathers data and produces the report but symbols in the stacktraces
are properly resolved only for shared libraries linked to CALLEE. All memory
allocations of CALLEE itself go into the generic unresolved symbol section
$ heaptrack /lib64/ld-linux-x86-64.so.2 CALLEE
from /usr/bin/heaptrack:
echo "starting application, this might take some time..."
LD_PRELOAD=$LIBHEAPTRACK_PRELOAD${LD_PRELOAD:+:$LD_PRELOAD}
DUMP_HEAPTRACK_OUTPUT="$pipe" "$client" "$@"
I'm not sure if there is a way to either (1) inject LD_PRELOAD after dynamic
linker is loaded but before CALLEE is executed (2) somehow "if-out" dynamic
loaders out of heaptrack so they won't interfere with symbol resolution.
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