Google Perf Tools (tcmalloc) の使い方

TCMALLOC 使いませんか ? 週間 PFI セミナー 2007/12/06 太田一樹 <kzk@preferred.jp>

WHAT IS TCMALLOC? The fastest malloc we've seen; works particularly well with threads and STL . Also: thread-friendly heap-checker, heap-profiler, and cpu-profiler. http://goog-perftools.sourceforge.net/

TCMALLOC 開発動機 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TCMALLOC の実装 ( ドキュメントの翻訳とも言う )

TCMALLOC の実装 (1) ,[object Object],[object Object],[object Object],[object Object],[object Object]

TCMALLOC の実装 (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

TCMALLOC の実装 (3) ,[object Object],[object Object],[object Object],[object Object]

TCMALLOC の実装 (4) ,[object Object],[object Object],[object Object],[object Object]

BENCHMARK ,[object Object],[object Object],特にこの辺注目

TCMALLOC の使い方 ( 別名ドキュメントの翻訳 )

使い方 ,[object Object],[object Object],[object Object],$ gcc […] -ltcmalloc

TCMALLOC AS HEAPPROFILER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TCMALLOC AS HEAPPROFILER ,[object Object],% pprof --text /usr/bin/gfs_master /tmp/profile.0100.heap 255.6 24.7% 24.7% 255.6 24.7% GFS_MasterChunk::AddServer 184.6 17.8% 42.5% 298.8 28.8% GFS_MasterChunkTable::Create 176.2 17.0% 59.5% 729.9 70.5% GFS_MasterChunkTable::UpdateState 169.8 16.4% 75.9% 169.8 16.4% PendingClone::PendingClone 76.3 7.4% 83.3% 76.3 7.4% __default_alloc_template::_S_chunk_alloc 49.5 4.8% 88.0% 49.5 4.8% hashtable::resize メモリ使用量 (M) その関数呼び出す全ての関数のメモリ使用量の和 (M)

TCMALLOC AS HEAPPROFILER ,[object Object],[object Object],[object Object],$ pprof –text --base=/tmp/profile.0004.heap ./a.out /tmp/profile.0100.heap

TCMALLOC AS HEAPPROFILER ,[object Object],$ pprof –gif ./a.out/tmp/profile.0100.heap > a.gif

TCMALLOC AS CPUPROFILER ,[object Object],[object Object],[object Object],[object Object],[object Object]

TCMALLOC AS CPUPROFILER ,[object Object]

実例 : SEDUE ,[object Object]

TCMALLOC 良いよ！ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Google Perf Tools (tcmalloc) の使い方

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