Massif-Visualizer. Memory Profiling UI. Milian Wolff Desktop Summit
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1 Massif-Visualizer Memory Profiling UI Milian Wolff Desktop Summit
2 Agenda 1 Valgrind 2 Massif 3 Massif-Visualizer Milian Massif-Visualizer Desktop Summit Berlin 2/32
3 1 Valgrind 2 Massif 3 Massif-Visualizer Milian Massif-Visualizer Desktop Summit Berlin 3/32
4 1 Valgrind Introduction Tool Suite Usage Caveats Milian Massif-Visualizer Desktop Summit Berlin 4/32
5 Valgrind Introduction Versatile: currently nine debugging and profiling utilities Open: licensed under the GPL Proven: under active development since 2000 Cross Platform: Linux and MacOS X Cross Platform: x86, AMD64, ARM,... Milian Massif-Visualizer Desktop Summit Berlin 5/32
6 Valgrind Introduction Versatile: currently nine debugging and profiling utilities Open: licensed under the GPL Proven: under active development since 2000 Cross Platform: Linux and MacOS X Cross Platform: x86, AMD64, ARM,... Milian Massif-Visualizer Desktop Summit Berlin 5/32
7 Valgrind Introduction Versatile: currently nine debugging and profiling utilities Open: licensed under the GPL Proven: under active development since 2000 Cross Platform: Linux and MacOS X Cross Platform: x86, AMD64, ARM,... Milian Massif-Visualizer Desktop Summit Berlin 5/32
8 Valgrind Introduction Versatile: currently nine debugging and profiling utilities Open: licensed under the GPL Proven: under active development since 2000 Cross Platform: Linux and MacOS X Cross Platform: x86, AMD64, ARM,... Milian Massif-Visualizer Desktop Summit Berlin 5/32
9 Valgrind Introduction Versatile: currently nine debugging and profiling utilities Open: licensed under the GPL Proven: under active development since 2000 Cross Platform: Linux and MacOS X Cross Platform: x86, AMD64, ARM,... Milian Massif-Visualizer Desktop Summit Berlin 5/32
10 1 Valgrind Introduction Tool Suite Usage Caveats Milian Massif-Visualizer Desktop Summit Berlin 6/32
11 Tool Suite Memcheck: detect errors in memory management leaks, invalid read/writes,... Helgrind / DRD: detect errors in multithreading race conditions, lock contention,... Callgrind: CPU cache profiling hotspots, bottlenecks, cache issues,... Massif: memory profiling total consumption, leaks, peaks, Milian Massif-Visualizer Desktop Summit Berlin 7/32
12 Tool Suite Memcheck: detect errors in memory management leaks, invalid read/writes,... Helgrind / DRD: detect errors in multithreading race conditions, lock contention,... Callgrind: CPU cache profiling hotspots, bottlenecks, cache issues,... Massif: memory profiling total consumption, leaks, peaks, Milian Massif-Visualizer Desktop Summit Berlin 7/32
13 Tool Suite Memcheck: detect errors in memory management leaks, invalid read/writes,... Helgrind / DRD: detect errors in multithreading race conditions, lock contention,... Callgrind: CPU cache profiling hotspots, bottlenecks, cache issues,... Massif: memory profiling total consumption, leaks, peaks, Milian Massif-Visualizer Desktop Summit Berlin 7/32
14 Tool Suite Memcheck: detect errors in memory management leaks, invalid read/writes,... Helgrind / DRD: detect errors in multithreading race conditions, lock contention,... Callgrind: CPU cache profiling hotspots, bottlenecks, cache issues,... Massif: memory profiling total consumption, leaks, peaks, Milian Massif-Visualizer Desktop Summit Berlin 7/32
15 Tool Suite Memcheck: detect errors in memory management leaks, invalid read/writes,... Helgrind / DRD: detect errors in multithreading race conditions, lock contention,... Callgrind: CPU cache profiling hotspots, bottlenecks, cache issues,... Massif: memory profiling total consumption, leaks, peaks, Milian Massif-Visualizer Desktop Summit Berlin 7/32
16 1 Valgrind Introduction Tool Suite Usage Caveats Milian Massif-Visualizer Desktop Summit Berlin 8/32
17 Usage no special compilation flags required but: debug symbols very useful running valgrind: valgrind --tool=... [tool options] myapp [your options] errors are outputted to CLI human readable profiling data written to file visualization UI required Milian Massif-Visualizer Desktop Summit Berlin 9/32
18 Usage no special compilation flags required but: debug symbols very useful running valgrind: valgrind --tool=... [tool options] myapp [your options] errors are outputted to CLI human readable profiling data written to file visualization UI required Milian Massif-Visualizer Desktop Summit Berlin 9/32
19 Usage no special compilation flags required but: debug symbols very useful running valgrind: valgrind --tool=... [tool options] myapp [your options] errors are outputted to CLI human readable profiling data written to file visualization UI required Milian Massif-Visualizer Desktop Summit Berlin 9/32
20 Usage no special compilation flags required but: debug symbols very useful running valgrind: valgrind --tool=... [tool options] myapp [your options] errors are outputted to CLI human readable profiling data written to file visualization UI required Milian Massif-Visualizer Desktop Summit Berlin 9/32
21 Usage no special compilation flags required but: debug symbols very useful running valgrind: valgrind --tool=... [tool options] myapp [your options] errors are outputted to CLI human readable profiling data written to file visualization UI required Milian Massif-Visualizer Desktop Summit Berlin 9/32
22 1 Valgrind Introduction Tool Suite Usage Caveats Milian Massif-Visualizer Desktop Summit Berlin 10/32
23 Caveats slowdown by factor 5 to 100 increased memory consumption interpretation of results requires knowledge and experience Milian Massif-Visualizer Desktop Summit Berlin 11/32
24 Caveats slowdown by factor 5 to 100 increased memory consumption interpretation of results requires knowledge and experience Milian Massif-Visualizer Desktop Summit Berlin 11/32
25 Caveats slowdown by factor 5 to 100 increased memory consumption interpretation of results requires knowledge and experience Milian Massif-Visualizer Desktop Summit Berlin 11/32
26 1 Valgrind 2 Massif 3 Massif-Visualizer Milian Massif-Visualizer Desktop Summit Berlin 12/32
27 2 Massif Introduction Output Useful Options ms print Milian Massif-Visualizer Desktop Summit Berlin 13/32
28 Massif Introduction mainly aimed at heap profiling optionally also stack profiling possible tracks memory allocations and deallocations caveats: slowdown by 20x, high memory overhead Milian Massif-Visualizer Desktop Summit Berlin 14/32
29 Massif Introduction mainly aimed at heap profiling optionally also stack profiling possible tracks memory allocations and deallocations caveats: slowdown by 20x, high memory overhead Milian Massif-Visualizer Desktop Summit Berlin 14/32
30 Massif Introduction mainly aimed at heap profiling optionally also stack profiling possible tracks memory allocations and deallocations caveats: slowdown by 20x, high memory overhead Milian Massif-Visualizer Desktop Summit Berlin 14/32
31 Massif Introduction mainly aimed at heap profiling optionally also stack profiling possible tracks memory allocations and deallocations caveats: slowdown by 20x, high memory overhead Milian Massif-Visualizer Desktop Summit Berlin 14/32
32 2 Massif Introduction Output Useful Options ms print Milian Massif-Visualizer Desktop Summit Berlin 15/32
33 Output snapshots of memory consumption over time simple snapshots: total memory consumption detailed snapshots: backtraces to significant memory allocations Milian Massif-Visualizer Desktop Summit Berlin 16/32
34 Output snapshots of memory consumption over time simple snapshots: total memory consumption detailed snapshots: backtraces to significant memory allocations Milian Massif-Visualizer Desktop Summit Berlin 16/32
35 Output snapshots of memory consumption over time simple snapshots: total memory consumption detailed snapshots: backtraces to significant memory allocations Milian Massif-Visualizer Desktop Summit Berlin 16/32
36 2 Massif Introduction Output Useful Options ms print Milian Massif-Visualizer Desktop Summit Berlin 17/32
37 Useful Options --max-snapshots=n [Default: 100] increase for long running profiling sessions --detailed-freq=n [Default: 10] decrease for short running, increase for long running profiling sessions --threshold=<m.n> [Default: 1.0] increase in case your app mainly consists of allocations below the default threshold Output: --massif-out-file=... [Default: massif.out.%p] Milian Massif-Visualizer Desktop Summit Berlin 18/32
38 Useful Options --max-snapshots=n [Default: 100] increase for long running profiling sessions --detailed-freq=n [Default: 10] decrease for short running, increase for long running profiling sessions --threshold=<m.n> [Default: 1.0] increase in case your app mainly consists of allocations below the default threshold Output: --massif-out-file=... [Default: massif.out.%p] Milian Massif-Visualizer Desktop Summit Berlin 18/32
39 Useful Options --max-snapshots=n [Default: 100] increase for long running profiling sessions --detailed-freq=n [Default: 10] decrease for short running, increase for long running profiling sessions --threshold=<m.n> [Default: 1.0] increase in case your app mainly consists of allocations below the default threshold Output: --massif-out-file=... [Default: massif.out.%p] Milian Massif-Visualizer Desktop Summit Berlin 18/32
40 Useful Options --max-snapshots=n [Default: 100] increase for long running profiling sessions --detailed-freq=n [Default: 10] decrease for short running, increase for long running profiling sessions --threshold=<m.n> [Default: 1.0] increase in case your app mainly consists of allocations below the default threshold Output: --massif-out-file=... [Default: massif.out.%p] Milian Massif-Visualizer Desktop Summit Berlin 18/32
41 2 Massif Introduction Output Useful Options ms print Milian Massif-Visualizer Desktop Summit Berlin 19/32
42 ms print Visualization ms print massif.out.pid less Milian Massif-Visualizer Desktop Summit Berlin 20/32
43 ms print Visualization ms print massif.out.pid less Milian Massif-Visualizer Desktop Summit Berlin 20/32
44 1 Valgrind 2 Massif 3 Massif-Visualizer Milian Massif-Visualizer Desktop Summit Berlin 21/32
45 3 Massif-Visualizer Massif-Visualizer Features Future Ideas Packages Resources Milian Massif-Visualizer Desktop Summit Berlin 22/32
46 Massif-Visualizer massif-visualizer massif.out.pid Milian Massif-Visualizer Desktop Summit Berlin 23/32
47 Massif-Visualizer interactive! Milian Massif-Visualizer Desktop Summit Berlin 23/32
48 3 Massif-Visualizer Massif-Visualizer Features Future Ideas Packages Resources Milian Massif-Visualizer Desktop Summit Berlin 24/32
49 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
50 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
51 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
52 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
53 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
54 Features vis. evolution of mem consumption vis. backtrace/callgraph custom allocators hiding functions shorten templates... Milian Massif-Visualizer Desktop Summit Berlin 25/32
55 3 Massif-Visualizer Massif-Visualizer Features Future Ideas Packages Resources Milian Massif-Visualizer Desktop Summit Berlin 26/32
56 Future Ideas & Todo s Comparison/Diff of Massif data files Top-Down view of backtraces (subtree matching) Export Graphs Milian Massif-Visualizer Desktop Summit Berlin 27/32
57 Future Ideas & Todo s Comparison/Diff of Massif data files Top-Down view of backtraces (subtree matching) Export Graphs Milian Massif-Visualizer Desktop Summit Berlin 27/32
58 Future Ideas & Todo s Comparison/Diff of Massif data files Top-Down view of backtraces (subtree matching) Export Graphs Milian Massif-Visualizer Desktop Summit Berlin 27/32
59 3 Massif-Visualizer Massif-Visualizer Features Future Ideas Packages Resources Milian Massif-Visualizer Desktop Summit Berlin 28/32
60 Packages Arch, Slackware,... have packages OpenSuse BuildService: MacOS X: Generally: Please help with packaging! Milian Massif-Visualizer Desktop Summit Berlin 29/32
61 Packages Arch, Slackware,... have packages OpenSuse BuildService: MacOS X: Generally: Please help with packaging! Milian Massif-Visualizer Desktop Summit Berlin 29/32
62 Packages Arch, Slackware,... have packages OpenSuse BuildService: MacOS X: Generally: Please help with packaging! Milian Massif-Visualizer Desktop Summit Berlin 29/32
63 Packages Arch, Slackware,... have packages OpenSuse BuildService: MacOS X: Generally: Please help with packaging! Milian Massif-Visualizer Desktop Summit Berlin 29/32
64 3 Massif-Visualizer Massif-Visualizer Features Future Ideas Packages Resources Milian Massif-Visualizer Desktop Summit Berlin 30/32
65 Resources Project Page: Bugs and Wish Requests: Mailing List: KDE-Apps Page: Milian Massif-Visualizer Desktop Summit Berlin 31/32
66 Questions? Milian Wolff Milian Massif-Visualizer Desktop Summit Berlin 32/32
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