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language changes #1

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Mar 12, 2012
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10 changes: 5 additions & 5 deletions README.md
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Expand Up @@ -2,7 +2,7 @@

gcprof is a tool to measure garbage collection in a production
system. For every message a process receives, gcprof tells you how
much time was spent in garbage collection and how many passes was
much time was spent in garbage collection and how many passes were
done.


Expand Down Expand Up @@ -86,18 +86,18 @@ Example:
gcprof:sample_me(IdentityF, Id rem Divisor)

`sample_me/2` only samples if the second argument is 0. So in the
above case, given an even distribution of ids, only 1% will of the
processes be sampled.
above case, given an even distribution of ids, only 1% of the
processes will be sampled.


## Impact on your system

`gcprof:trace/2` uses a `gen_server:cast/2` under the hood so your
process do not have to wait for gcprof. This also means that if gcprof
process does not have to wait for gcprof. This also means that if gcprof
is not running, nothing happens.

If gcprof would crash, the processes would be restarted. When the
gcprof tracer process goes away, the VM stops whatever traces was
gcprof tracer process goes away, the VM stops whatever traces were
active.


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