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authorSverker Eriksson <[email protected]>2018-01-25 19:05:50 +0100
committerSverker Eriksson <[email protected]>2018-02-12 13:23:15 +0100
commitd1e89f8df4be7197fdab36a3e1662183a7dfe6ae (patch)
tree9e5ade98862227fc30e477a8403f3e313e70723b /erts/doc/src/erlang.xml
parentdefd43985282606e841e2bcb29ad7414080d5a80 (diff)
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erts: Add system_flags(erts_alloc,"+M?sbct *")
to change sbct limit in runtime for chosen allocator type. With great power comes great responsibility.
Diffstat (limited to 'erts/doc/src/erlang.xml')
-rw-r--r--erts/doc/src/erlang.xml37
1 files changed, 27 insertions, 10 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 24a091073d..5f3652eeb3 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -6707,6 +6707,23 @@ ok
<func>
<name name="system_flag" arity="2" clause_i="4"/>
+ <fsummary>Set system flag for erts_alloc.</fsummary>
+ <desc>
+ <p>Sets system flags for
+ <seealso marker="erts:erts_alloc"><c>erts_alloc(3)</c></seealso>.
+ <c><anno>Alloc</anno></c> is the allocator to affect, for example
+ <c>binary_alloc</c>. <c><anno>F</anno></c> is the flag to change and
+ <c><anno>V</anno></c> is the new value.</p>
+ <p>Only a subset of all <c>erts_alloc</c> flags can be changed
+ at run time. This subset is currently only the flag
+ <seealso marker="erts:erts_alloc#M_sbct"><c>sbct</c></seealso>.</p>
+ <p>Returns <c>ok</c> if the flag was set or <c>notsup</c> if not
+ supported by <c>erts_alloc</c>.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="system_flag" arity="2" clause_i="5"/>
<fsummary>Set system flag fullsweep_after.</fsummary>
<desc>
<p>Sets system flag <c>fullsweep_after</c>.
@@ -6725,7 +6742,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="5"/>
+ <name name="system_flag" arity="2" clause_i="6"/>
<fsummary>Set system flag microstate_accounting.</fsummary>
<desc>
<p><marker id="system_flag_microstate_accounting"></marker>
@@ -6738,7 +6755,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="6"/>
+ <name name="system_flag" arity="2" clause_i="7"/>
<fsummary>Set system flag min_heap_size.</fsummary>
<desc>
<p>Sets the default minimum heap size for processes. The size
@@ -6753,7 +6770,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="7"/>
+ <name name="system_flag" arity="2" clause_i="8"/>
<fsummary>Set system flag min_bin_vheap_size.</fsummary>
<desc>
<p>Sets the default minimum binary virtual heap size for
@@ -6770,7 +6787,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="8"/>
+ <name name="system_flag" arity="2" clause_i="9"/>
<fsummary>Set system flag max_heap_size.</fsummary>
<type name="max_heap_size"/>
<desc>
@@ -6788,7 +6805,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="9"/>
+ <name name="system_flag" arity="2" clause_i="10"/>
<fsummary>Set system flag multi_scheduling.</fsummary>
<desc>
<p><marker id="system_flag_multi_scheduling"></marker>
@@ -6843,7 +6860,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="10"/>
+ <name name="system_flag" arity="2" clause_i="11"/>
<fsummary>Set system flag scheduler_bind_type.</fsummary>
<type name="scheduler_bind_type"/>
<desc>
@@ -6969,7 +6986,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="11"/>
+ <name name="system_flag" arity="2" clause_i="12"/>
<fsummary>Set system flag scheduler_wall_time.</fsummary>
<desc>
<p><marker id="system_flag_scheduler_wall_time"></marker>
@@ -6981,7 +6998,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="12"/>
+ <name name="system_flag" arity="2" clause_i="13"/>
<fsummary>Set system flag schedulers_online.</fsummary>
<desc>
<p><marker id="system_flag_schedulers_online"></marker>
@@ -7009,7 +7026,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="13"/>
+ <name name="system_flag" arity="2" clause_i="14"/>
<fsummary>Set system flag trace_control_word.</fsummary>
<desc>
<p>Sets the value of the node trace control word to
@@ -7023,7 +7040,7 @@ ok
</func>
<func>
- <name name="system_flag" arity="2" clause_i="14"/>
+ <name name="system_flag" arity="2" clause_i="15"/>
<fsummary>Finalize the time offset.</fsummary>
<desc>
<p><marker id="system_flag_time_offset"></marker>