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authorBjörn Gustavsson <bjorn@erlang.org>2021-09-06 08:47:30 +0200
committerBjörn Gustavsson <bjorn@erlang.org>2021-09-06 08:47:30 +0200
commit837a9e5d1408b18c9940b38b29749f241cdea77f (patch)
treecc4e21fcbf2059d1cc5830f2315b93587a95d02a /system
parent7b8736ec1682aad0c08ea3b9221c4ec81f280a16 (diff)
parent98ec607e887181e0ed57b85921a2d10f3ffb7a69 (diff)
downloaderlang-837a9e5d1408b18c9940b38b29749f241cdea77f.tar.gz
Merge branch 'maint'
* maint: Grammatical / spelling fixups for the efficiency guide profiling section gen_server: Remove redundant case
Diffstat (limited to 'system')
-rw-r--r--system/doc/efficiency_guide/profiling.xml16
1 files changed, 8 insertions, 8 deletions
diff --git a/system/doc/efficiency_guide/profiling.xml b/system/doc/efficiency_guide/profiling.xml
index 594d066df4..847949cd2a 100644
--- a/system/doc/efficiency_guide/profiling.xml
+++ b/system/doc/efficiency_guide/profiling.xml
@@ -47,7 +47,7 @@
<item><p><seeerl marker="tools:eprof"><c>eprof</c></seeerl> provides
time information of each function used in the program. No call graph is
- produced, but <c>eprof</c> has considerable less impact on the program it
+ produced, but <c>eprof</c> has considerably less impact on the program it
profiles.</p>
<p>If the program is too large to be profiled by <c>fprof</c> or
<c>eprof</c>, <c>cprof</c> can be used to locate code parts that
@@ -96,14 +96,14 @@
use. When this happens a crash dump is generated that contains information
about the state of the system as it ran out of memory. Use the
<seecom marker="observer:cdv"><c>crashdump_viewer</c></seecom> to get a
- view of the memory is being used. Look for processes with large heaps or
+ view of the memory being used. Look for processes with large heaps or
many messages, large ets tables, etc.</p>
<p>When looking at memory usage in a running system the most basic function
to get information from is <seemfa marker="erts:erlang#memory/0"><c>
erlang:memory()</c></seemfa>. It returns the current memory usage
of the system. <seeerl marker="tools:instrument"><c>instrument(3)</c></seeerl>
can be used to get a more detailed breakdown of where memory is used.</p>
- <p>Processes, ports and ets tables can then be inspecting using their
+ <p>Processes, ports and ets tables can then be inspected using their
respective info functions, i.e.
<seeerl marker="erts:erlang#process_info_memory"><c>erlang:process_info/2
</c></seeerl>,
@@ -118,7 +118,7 @@
how memory is allocated can be retrieved using
<seeerl marker="erts:erlang#system_info_allocator">
<c>erlang:system_info(allocator)</c></seeerl>.
- The data you get from that function is very raw and not very plesant to read.
+ The data you get from that function is very raw and not very pleasant to read.
<url href="http://ferd.github.io/recon/recon_alloc.html">recon_alloc</url>
can be used to extract useful information from system_info
statistics counters.</p>
@@ -135,7 +135,7 @@
<p>For a large system, you do not want to run the profiling
tools on the whole system. Instead you want to concentrate on
- central processes and modules, which contribute for a big part
+ central processes and modules, which account for a big part
of the execution.</p>
<p>There are also some tools that can be used to get a view of the
@@ -209,7 +209,7 @@
<p><c>eprof</c> is based on the Erlang <c>trace_info</c> BIFs.
<c>eprof</c> shows how much time has been used by each process,
and in which function calls this time has been spent. Time is
- shown as percentage of total time and absolute time. For more
+ shown as a percentage of total time and absolute time. For more
information, see the <seeerl marker="tools:eprof">eprof</seeerl>
manual page in Tools.</p>
</section>
@@ -290,7 +290,7 @@
<section>
<title>lcnt</title>
- <p><c>lcnt</c> is used to profile interactions inbetween
+ <p><c>lcnt</c> is used to profile interactions in between
entities that run in parallel. For example if you have
a process that all other processes in the system needs
to interact with (maybe it has some global configuration),
@@ -314,7 +314,7 @@
implementation of a given algorithm or function is the fastest.
Benchmarking is far from an exact science. Today's operating systems
generally run background tasks that are difficult to turn off.
- Caches and multiple CPU cores does not facilitate benchmarking.
+ Caches and multiple CPU cores do not facilitate benchmarking.
It would be best to run UNIX computers in single-user mode when
benchmarking, but that is inconvenient to say the least for casual
testing.</p>