Memory Profiling using Valgrinds Massif Tools for Software - PowerPoint PPT Presentation

Oct 21, 2022 •330 likes •411 views

W ESTFLISCHE W ILHELMS -U NIVERSITT M NSTER Memory Profiling using Valgrinds Massif Tools for Software Development living knowledge WWU Mnster Andreas Buhr 23. Oktober 2013 W ESTFLISCHE W ILHELMS -U NIVERSITT M NSTER Using

W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Memory Profiling using Valgrind’s Massif Tools for Software Development living knowledge WWU Münster Andreas Buhr 23. Oktober 2013
W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Using Massif 2 /6 What is Valgrind? living knowledge WWU Münster www.valgrind.org , , Andreas Buhr
W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Using Massif 3 /6 What is Valgrind? ◮ CPU simulator executing the program ◮ ... has a tool for runtime profiling ◮ ... has a tool to find race conditions living knowledge ◮ ... has a tool to find memory leaks WWU Münster ◮ ... has a tool to profile memory usage (tool massif) , , Andreas Buhr
W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Using Massif 4 /6 How to profile memory usage ◮ sudo apt-get install valgrind ◮ g++ -g -o myprog myprog.cpp ◮ valgrind --tool=massif ./myprog living knowledge ◮ ms_print massif.out.<pid> WWU Münster , , Andreas Buhr
W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Using Massif 5 /6 Live Demo living knowledge WWU Münster , , Andreas Buhr
W ESTFÄLISCHE W ILHELMS -U NIVERSITÄT M ÜNSTER Using Massif 6 /6 Homework: try it ◮ take any executable with debug symbols ◮ run “valgrind --tool=massif ./myprog” living knowledge ◮ ms_print massif.out.<pid> WWU Münster , , Andreas Buhr

Recommend

MALT : MALloc Tracker A memory profiling tool 3/02/2019 MALT, Sbastien Valat 1 Questions

MALT : MALloc Tracker A memory profiling tool 3/02/2019 MALT, Sbastien Valat 1 Questions We have good profiling tool for timings (eg. Valgrind or vtune) But for what memory profiling ? Memory can be an issue : Availability of

762 views • 40 slides

Tuning Valgrind for your Workload Hints, tricks and tips to effectively use Valgrind on small or

Tuning Valgrind for your Workload Hints, tricks and tips to effectively use Valgrind on small or big applications Philippe Waroquiers FOSDEM 2015 valgrind devroom 1 Some rumours about Valgrind ... Valgrind burns all the CPU it can

647 views • 17 slides

Lab 10: Profiling time callgrind massif Other options gperftool Comp Sci 1585 perf Data

Introduction Lab 10: Profiling time callgrind massif Other options gperftool Comp Sci 1585 perf Data Structures Lab: Tools for Computer Scientists Outline Introduction time callgrind 1 Introduction massif Other options gperftool

979 views • 18 slides

Running Valgrind on multiple processors: a prototype Philippe Waroquiers FOSDEM 2015 valgrind

Running Valgrind on multiple processors: a prototype Philippe Waroquiers FOSDEM 2015 valgrind devroom 1 Valgrind and threads Valgrind runs properly multi-threaded applications But (mostly) runs them using a single CORE Valgrind

233 views • 21 slides

VEX: Where next for Valgrind's dynamic VEX: Where next for Valgrind's dynamic instrumentation

VEX: Where next for Valgrind's dynamic VEX: Where next for Valgrind's dynamic instrumentation infrastructure? instrumentation infrastructure? Julian Seward, jseward@acm.org 4 February 2017. FOSDEM. Brussels. Overview How it works (roughly)

581 views • 17 slides

Profiling memory allocations Giulio Eulisse Northeaster University, Boston (MA), U.S.A.

Profiling memory allocations Giulio Eulisse Northeaster University, Boston (MA), U.S.A. Profiling memory allocations Anonymous There are three kinds of algorithms: those which are slow those which take a large amount of memory most

296 views • 11 slides

valgrind code analyzer Valgrind is another injection-based profiler/analyzer Can be used to

valgrind code analyzer Valgrind is another injection-based profiler/analyzer Can be used to do analysis of run time based on counts of clock cycles or machine code instructions run Can also be used to do analysis of

1.42k views • 7 slides

MALT & NUMAPROF , Memory Profiling for HPC Applications SBASTIEN VALAT FOSDEM 2019

1 MALT & NUMAPROF , Memory Profiling for HPC Applications SBASTIEN VALAT FOSDEM 2019 TRACK HPC Origin of the tools 2 PhD. on memory management for HPC (at CEA/UVSQ) MALT , post-doc at Versailles : NUMAPROF , side

532 views • 16 slides

Origin and Evolution of the Abyssal Peridotites of Saint Peter and Saint Paul Massif, Equatorial

Origin and Evolution of the Abyssal Peridotites of Saint Peter and Saint Paul Massif, Equatorial Atlantic Ocean Future perspectives 1997 2009-2016 St Peter-St Paul is a peridotitic massif which emerge above sea level. A rare feature in the

432 views • 24 slides

Tips & Tricks for OMNeT++ Rudolf Hornig OMNeT++ Workshop March 21, 2010 Barcelona, Spain

Tips & Tricks for OMNeT++ Rudolf Hornig OMNeT++ Workshop March 21, 2010 Barcelona, Spain Using Valgrind in IDE Some memory corruption issues are very hard to track down using a simple debugger. Valgrind on Linux can help you to nail down

141 views • 10 slides

Profiling the Memory Usage of OCaml Applications without Changing their Behavior OCaml 2013

Profiling the Memory Usage of OCaml Applications without Changing their Behavior OCaml 2013 agdas Bozman 1 , 2 , 3 C Thomas Gazagnaire 1 Fabrice Le Fessant 2 Michel Mauny 3 OCamlPro 1 | INRIA 2 | ENSTA-ParisTech 3 Sept. 24 2013 - Boston (MA)

713 views • 18 slides

Valgrind register allocator overhaul Ivo Raisr FOSDEM 2018 Ivo Raisr 39.6 GNU Toolchain

Valgrind register allocator overhaul Ivo Raisr FOSDEM 2018 Ivo Raisr 39.6 GNU Toolchain Why? Valgrind master If-Then-Else VEX register support into IR allocator v3 VEX operation ------ IMark(0x4001CA3, 4, 0) ------ movq

573 views • 17 slides

Leaving no one behind The role of evidence-building and profiling to include displacement in

Leaving no one behind The role of evidence-building and profiling to include displacement in recovering and development processes Natalia Krynsky Baal , Coordinator, Joint IDP Profiling Service WHAT IS PROFILING? Defining profiling A

439 views • 12 slides

Profiling of Algorithms Profiling refers to the experimental measurement of the performance of

Profiling of Algorithms Profiling refers to the experimental measurement of the performance of algorithms. Profiling techniques fall into two main categories: Instruction counting the number of times which particular instruction(s)

672 views • 19 slides

COZ : Finding Code that Counts with Causal Profiling Anuja Golechha Agenda Profiling

COZ : Finding Code that Counts with Causal Profiling Anuja Golechha Agenda Profiling Issues with current profilers Causal profiling COZ Overview and Implementation COZ Evaluation Comparison with Pivot Tracing

660 views • 23 slides

CSE 333 SECTION 2 gdb, valgrind, pointers & structs 1 Questions, Comments, Concerns

CSE 333 SECTION 2 gdb, valgrind, pointers & structs 1 Questions, Comments, Concerns Do you have any? Exercises going ok? Lectures make sense? Homework 1 START EARLY! Upcoming Due Dates: Due Oct 9, ex 3 @ 10 am

369 views • 20 slides

An introduction to Profiling Physics Coding Club: 09/06/2017 D. Dickinson

An introduction to Profiling Physics Coding Club: 09/06/2017 D. Dickinson (d.dickinson@york.ac.uk) Overview What is meant by profiling? Why do we care about profiling? How do we do profiling? Specific example using Scalasca

912 views • 22 slides

Ftrace Profiling Presenter: Steven Rostedt rostedt@goodmis.org Red Hat What do you want to

Ftrace Profiling Presenter: Steven Rostedt rostedt@goodmis.org Red Hat What do you want to profile? Application Cache misses Memory locality Page faults Finding bad algorithms O(n^2) CPU cycles I/O usage What do

554 views • 43 slides

Massif - the love child of Matlab Simulink and Eclipse kos Horvth , Istvn Rth and Rodrigo

Massif - the love child of Matlab Simulink and Eclipse kos Horvth , Istvn Rth and Rodrigo Rizzi Starr (ahorvath@mit.bme.hu) Budapest University of Technology and Economics Embraer S.A. IncQuery Labs Ltd. Eclipsecon 2015 Department of

438 views • 20 slides

My code doesnt crash why should I still use Valgrind? Tyson Whitehead April 16, 2014

My code doesnt crash why should I still use Valgrind? Tyson Whitehead April 16, 2014 Notes Modern digital computers are binary systems. frequently numbers are powers of two 1000 multiple is usually 1024 instead will not

244 views • 6 slides

Code profilers and profiling When writing code, we generally have some feel for how

Code profilers and profiling When writing code, we generally have some feel for how effiicient it is (run time and/or memory use) That might be supported by big-O complexity analysis of the algorithms we use (e.g. O(logN), O(N), etc)

357 views • 8 slides

A FRAMEWORK FOR REDUCING THE COST OF INSTRUMENTED CODE Known from Continuous Path and

A FRAMEWORK FOR REDUCING THE COST OF INSTRUMENTED CODE Known from Continuous Path and Edge Profiling Bug Isolation via Remote Program Sampling Low-overhead Memory Leak Detection using Adaptive Statistical Profiling (SWAT)

178 views • 16 slides

Profiling of Data-Parallel Processors Daniel Kruck 09/02/2014 09/02/2014 Profiling Daniel

Profiling of Data-Parallel Processors Daniel Kruck 09/02/2014 09/02/2014 Profiling Daniel Kruck 1 / 41 Outline Motivation 1 Background - GPUs 2 Profiler 3 NVIDIA Tools Lynx Optimizations 4 Conclusion 5 09/02/2014 Profiling

441 views • 41 slides

Web User Profiling using Data Redundancy http://aminer.org/profiling Xiaotao Gu, Hong Yang, Jie

Web User Profiling using Data Redundancy http://aminer.org/profiling Xiaotao Gu, Hong Yang, Jie Tang, Jing Zhang Tsinghua University 1 Web User Profiling using Data Redundancy Introduction Traditional Way Basic Idea

717 views • 34 slides