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More thoroughly document the *.{nmalloc,ndalloc,nrequests} mallctls.

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This resolves #412.
This commit is contained in:
Jason Evans 2017-05-30 13:51:33 -07:00
parent c606a87d2a
commit 685c97fc43
1 changed files with 50 additions and 24 deletions
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74
doc/jemalloc.xml.in
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@ -2601,8 +2601,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocation requests served by
small bins.</para></listitem>
<listitem><para>Cumulative number of times a small allocation was
requested from the arena's bins, whether to fill the relevant tcache if
<link linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is
enabled, or to directly satisfy an allocation request
otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.small.ndalloc">
@ -2612,8 +2615,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of small objects returned to bins.
</para></listitem>
<listitem><para>Cumulative number of times a small allocation was
returned to the arena's bins, whether to flush the relevant tcache if
<link linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is
enabled, or to directly deallocate an allocation
otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.small.nrequests">
@ -2623,8 +2629,8 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of small allocation requests.
</para></listitem>
<listitem><para>Cumulative number of allocation requests satisfied by
all bin size classes.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.large.allocated">
@ -2645,8 +2651,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of large allocation requests served
directly by the arena.</para></listitem>
<listitem><para>Cumulative number of times a large extent was allocated
from the arena, whether to fill the relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled and
the size class is within the range being cached, or to directly satisfy
an allocation request otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.large.ndalloc">
@ -2656,8 +2665,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of large deallocation requests served
directly by the arena.</para></listitem>
<listitem><para>Cumulative number of times a large extent was returned
to the arena, whether to flush the relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled and
the size class is within the range being cached, or to directly
deallocate an allocation otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.large.nrequests">
@ -2667,8 +2679,8 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of large allocation requests.
</para></listitem>
<listitem><para>Cumulative number of allocation requests satisfied by
all large size classes.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.bins.j.nmalloc">
@ -2678,8 +2690,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocations served by bin.
</para></listitem>
<listitem><para>Cumulative number of times a bin region of the
corresponding size class was allocated from the arena, whether to fill
the relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled, or
to directly satisfy an allocation request otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.bins.j.ndalloc">
@ -2689,8 +2704,11 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocations returned to bin.
</para></listitem>
<listitem><para>Cumulative number of times a bin region of the
corresponding size class was returned to the arena, whether to flush the
relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled, or
to directly deallocate an allocation otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.bins.j.nrequests">
@ -2700,8 +2718,8 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocation
requests.</para></listitem>
<listitem><para>Cumulative number of allocation requests satisfied by
bin regions of the corresponding size class.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.bins.j.curregs">
@ -2784,8 +2802,12 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocation requests for this size
class served directly by the arena.</para></listitem>
<listitem><para>Cumulative number of times a large extent of the
corresponding size class was allocated from the arena, whether to fill
the relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled and
the size class is within the range being cached, or to directly satisfy
an allocation request otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.lextents.j.ndalloc">
@ -2795,8 +2817,12 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of deallocation requests for this
size class served directly by the arena.</para></listitem>
<listitem><para>Cumulative number of times a large extent of the
corresponding size class was returned to the arena, whether to flush the
relevant tcache if <link
linkend="opt.tcache"><mallctl>opt.tcache</mallctl></link> is enabled and
the size class is within the range being cached, or to directly
deallocate an allocation otherwise.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.lextents.j.nrequests">
@ -2806,8 +2832,8 @@ struct extent_hooks_s {
<literal>r-</literal>
[<option>--enable-stats</option>]
</term>
<listitem><para>Cumulative number of allocation requests for this size
class.</para></listitem>
<listitem><para>Cumulative number of allocation requests satisfied by
large extents of the corresponding size class.</para></listitem>
</varlistentry>
<varlistentry id="stats.arenas.i.lextents.j.curlextents">