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Diffstat (limited to 'tools/memory_watcher/scripts/memtrace.pl')
| -rw-r--r-- | tools/memory_watcher/scripts/memtrace.pl | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/memory_watcher/scripts/memtrace.pl b/tools/memory_watcher/scripts/memtrace.pl index f699a67..64ad966 100644 --- a/tools/memory_watcher/scripts/memtrace.pl +++ b/tools/memory_watcher/scripts/memtrace.pl @@ -1,5 +1,35 @@ #!/usr/bin/perl +# +# Blame callstacks for each memory allocation. +# Similar to memprof.pl, will also try to filter out unuseful stacks. +# TODO: better describe how these tools differ. +# +# Usage: +# +# memtrace.pl <logfile> +# +# logfile -- The memwatcher.logXXXX file to summarize. +# +# +# +# Sample output: +# +# 41975368 77.64% f:\sp\vctools\crt_bld\self_x86\crt\src\malloc.c (163): malloc +# 2097152 3.88% c:\src\chrome1\src\webkit\pending\frameloader.cpp (3300): WebCore::FrameLoader::committedLoad +# 1572864 2.91% c:\src\chrome1\src\webkit\port\bridge\v8bridge.cpp (214): WebCore::V8Bridge::evaluate +# 1572864 2.91% c:\src\chrome1\src\webkit\glue\webframeloaderclient_impl.cc (1071): WebFrameLoaderClient::committedLoad +# 1572864 2.91% c:\src\chrome1\src\v8\src\ast.h (1181): v8::internal::Visitor::Visit +# +# +# +# ******** +# Note: The output is not currently sorted. To make it more legible, +# you will want to sort numerically by the first field: +# $ ./memtrace.pl memwatcher.log3620.txt | sort -n -r +# ******** +# + sub process_raw($) { my $file = shift; |