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Change log

1.6.1 - 08/02/2026

  • Fix possible gliches on physical and virtual memory measurements.
  • Minor fix on ont time chart.
  • Install the examples.
  • Fix a buffer overflow due to forgetting addint \0 after calling readlink.
  • Display profile file name in the home page of the webview.
  • Add a warning when using metric local.peak + inclusive which is not an exact computation.

1.6.0 - 29/01/2026

  • Do not tread in parallel the huge ELF files with addr2line (-o addr2line:huge=50M).
  • With addr2line tread in a single shot the huge ELF files.
  • With addr2line pass via a file to transmit the addresses for huge ELF files.
  • Fix portability on RedHat 8,9 and 10.
  • Improve documentation.
  • Refactor the option management class and rename some options to get consistency in names.
  • Fix broken reader public API (not yet stable).
  • Add possibility to dump the webview in a static mode (via --static & --static-summary).

1.5.0 - 07/01/2025

  • Replace the old webview in Angular 2.0 by a new one in VueJS.
  • Many fixes about python support, now should work relatively correctly.
  • Write the documentation in sphinx format.
  • Remove usage of login/password by a token
  • Remove malt-passwd command.
  • Remove dependency to libcrypto.
  • Rename maltDisable/Enable => malt_enable/malt_disable.
  • Add option to use embeded options or system onces.
  • Use iniparser of the system.
  • Make patches to get in better state for a debian packaging close to offical way.
  • Hide internal symbols with -fvisbility
  • Add build option --disable-webview and --disable-profiler

1.4.1 - 14/10/2025

  • Fix blocking issue in malt-passwd command (issue #136).

1.4.0 - 26/09/2025

  • Enable python support by default if python lib and headers are found.
  • Replace the webiew backend in NodeJS by a C++ one (faster and no deps to NodeJS required).
  • Add MPI rank filtering via -o filter:ranks=1,2-4,6 to only instrument some MPI ranks.
  • Add instrumentation of mmap / munmap / mremap.
  • Add more exemples.
  • Report python & C domains counters in profile.
  • Hide calls to PyDataMem_*New* in reports.
  • Remove malt-qt5.
  • Fix bugs on chart axis rendering in webview.
  • Fix some build issues when tests are disabled.
  • Fix broken thread tracking such that threads was not seen in the report.
  • Fix some issues in some page rendering (annotations.)
  • Fix segfault in calling addr2line in parallel.
  • Fix bugs about python support.

1.3.1 - 20/06/2025

  • Add python:hideImports option to group the imports in a single target not to look them (enabled by default).
  • Document tools:nm & tools:nmMaxSize.
  • By default disable nm usage on profile python-only & python-default.
  • Fix mistake which make the embeded google test installed with MALT.

1.3.0 - 16/06/2025

  • Add python profiling support (experimental, disabled by default, need to --enable-python at build time).
  • Check portability on Ubuntu (22.04, 22.10, 24.04, 25.04), Debian (10, 11, 12), Fedora (40, 41), Arch, Gentoo
  • Add more unit tests.
  • Refactor the injection and init of MALT in a proper way with guards.
  • Reshape the wrapper / inject / state code and files in a more ordered way.
  • Rewrite the symbol solver infra code in a proper way.
  • Add dumping options (on-sys-full-at, on-app-using-rss, on-app-using-virt, on-app-using-req, on-thread-stack-using).
  • Add parameter "tools:nm" and "tools:nmMaxSize" to avoid analysing large files of PyTorch by default to get source location of global variables..
  • Upgrade cmake dependency to 3.5 to avoid warning a recent systems.
  • Rename license file to be more standard.
  • Introduce usage of JeMalloc as the internal allocator in place of the custom one (required for large python apps).
  • Use LTO & fvisibility=hidden in release mode when tests are disabled (default).
  • Optimize the stack tree browser in the source page to handle large packages.
  • Add --gdb option on malt command to ease debugging.
  • Add progress bar for profile loading in webview.
  • Report the % of physical mapping of global variables.
  • Better terminal output for the webview and display + handle URL only when profile is loaded, not when not ready.
  • Parallel solving of symbols by calling several addr2line at a time.
  • Fix NodeJs limitation to load large JSON files by increasing its allowed memory limit.
  • Fix an issue with TLS at init which induce an infinite loop in some conditions.
  • Fix some issues in the JSON file generated.
  • Fix in the webview, size in base 2 instead of 10.
  • Fix in the webview, NaN over global variables and TLS.
  • Fix TLS size not shown correctly in summary.
  • Fix some code warnings.
  • Fix some missing units on charts in webview.

1.2.6 - 14/03/2025

  • Fix issue requiring NPM when not required if not wanting the webview.

1.2.5 - 05/02/2025

  • Fix broken interface from 1.2.4.
  • Introduce some extra unit-tests.

1.2.4 - 03/10/2024

  • Fix issue in previous release making some unit tests broken (line numbers) by file header changing.
  • Fix cmake issue with libunwind find package under Gentoo with x86_64 + x86.
  • Add build summary in CMake script.

1.2.3 - 02/10/2024

  • Upgrade Express.JS used version due to security issue.
  • Remove javascript libs from the git repo, now download them and embed them at release time in distributed tarball.
  • Add authors to all source headers.
  • Fix some typo in documentation.
  • Webview now support big files.
  • Dev script to check portability over distributions via Podman.
  • Allow using malt webview forwarded via VSCode server.
  • Some fixes in ./configure
  • Use system google test if present.
  • Upgrade embedded version of google test.
  • Fix ways of finding MALT_ROOT due to readlink -f not supported on FreeBSD (now optional)
  • Make MALT install dir re-localisable.
  • Some tuning of address translation to support better large executables / libs.

1.2.2 - 28/06/2023

  • Add --disable-profiler on configure script to build only the webview.
  • Fix bugs reported by the new unit tests.
  • Fix build warnings on recent gcc & clang (debian 11).
  • Fix bug when using CC='' on configure script.
  • Upgrade the npm modules and fix usage of versions with security issues.
  • Improve unit testing of the profiler library.
  • Fix issue about binary files pointing relative source paths (issue #74).
  • Fix a bug in ELFReader generating a segfault when printing warning.
  • Keep track of the ASLR offset in the json file (to later post resolve the symbols)
  • Fix (nil) values in json file by using 0x0 instead for void * pointers.

1.2.1 - 17/10/2020

  • Build support for aarch64
  • Fix inlining issue with internal bactrace functions on recent GCC.

1.2.0 - 28/03/2020

  • Fix address solving due to ASLR & fPIE
  • Remove gomp malloc/free/realloc from call stacks
  • Portability over i386 and power9
  • Fix compiler warning
  • Extract current memory allocator name
  • Script to build deb & rpms with docker

1.1.0 - 30/08/2019

  • New configure script from NUMAPROF to be more generic and reusable.
  • Improve packaging fixing qt-webkit deps in RPM
  • Support dumping profile on demand via signal, to be enabled by user
  • Add option to dump every X second, implementation still ongoing
  • Webvew listen on demand on other than localhost
  • Improve fPIE + ASLR symbol resolution (Gentoo, Centos, Redhat)
  • Improve backtrace level cutting to better support clang LTO in O3
  • json format document up to date
  • Support dumping on selected IPC signal (SIGUSE....)
  • Fixes in rpm packaging
  • Fix quiet/silent mode and improve verbosity handling
  • Fix missing function on old NodeJS from redhat 7
  • Fix naming convention in .ini config file.
  • Fix issues on Xenial NodeJS

1.0.0 - 07/02/2018

  • Add scatter plots (lifetime,size) and (size,time).
  • Add maltEnable/maltDisable to limit to sub-part of a program.
  • Profile file is not anymore indented by default
  • Add options to reduce size of output file (stackTree and loopSuppress). Not enabled by default.
  • Add DebugDummy to avoid unneeded allocation in Release mode
  • Add help with MPI in README
  • Add manpages for malt, malt-passwd and malt-webserver
  • Add packaging files for gentoo & archlinux
  • Use a more compress stack tree in json file
  • Add filter to only instrument the given executable and disabling childs
  • Add warnings about global varibales if the app use too many of them
  • Add QT5 webkit webview wrapper.

0.3.0 - 16/06/2015

  • Add http authentication to secure the web GUI.
  • Add silent option (-q/--quiet)
  • Add password authentication inside http protocol to secure the web GUI
  • Add support for packaging (Fedora/Centos/Debian/Ubuntu...)
  • Fix error in unit tests
  • Fix bug in ELFReader

0.2.0 - 29/04/2015

  • Add scatter chart on ralloc page.
  • Get grunt script to generate shorter standalone version with compressed JS/CSS
  • Add support for data export and svg export on some charts
  • Bugfix: add missing modules in package.js
  • Bugfix: index times on time charts

0.1.0 - 26/03/2015

  • First tagged release don't list all new things.