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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2017-10-23 20:19:34 +0530
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2017-10-23 20:23:13 +0530
commitdb9bab09a51188bf57afeb47040ce6837b878367 (patch)
treec8cf726159cb485d1fa9b755a300404ad90bb7d8
parentbe080b6c143901d998c91f28ef7b2fe4a25c0237 (diff)
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Document cache information sysconf variables
Write short descriptions for each of the cache information sysconf variables. * manual/conf.texi (_SC_LEVEL1_ICACHE_SIZE, _SC_LEVEL1_ICACHE_ASSOC, _SC_LEVEL1_ICACHE_LINESIZE, _SC_LEVEL1_DCACHE_SIZE, _SC_LEVEL1_DCACHE_ASSOC, _SC_LEVEL1_DCACHE_LINESIZE, _SC_LEVEL2_CACHE_SIZE, _SC_LEVEL2_CACHE_ASSOC, _SC_LEVEL2_CACHE_LINESIZE, _SC_LEVEL3_CACHE_SIZE, _SC_LEVEL3_CACHE_ASSOC, _SC_LEVEL3_CACHE_LINESIZE, _SC_LEVEL4_CACHE_SIZE, _SC_LEVEL4_CACHE_ASSOC, _SC_LEVEL4_CACHE_LINESIZE): New variables. Reviewed-by: Rical Jasan <ricaljasan@pacific.net>
-rw-r--r--ChangeLog12
-rw-r--r--manual/conf.texi61
2 files changed, 73 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 1316b40..8904437 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2017-10-23 Siddhesh Poyarekar <siddhesh@sourceware.org>
+
+ * manual/conf.texi (_SC_LEVEL1_ICACHE_SIZE,
+ _SC_LEVEL1_ICACHE_ASSOC, _SC_LEVEL1_ICACHE_LINESIZE,
+ _SC_LEVEL1_DCACHE_SIZE, _SC_LEVEL1_DCACHE_ASSOC,
+ _SC_LEVEL1_DCACHE_LINESIZE, _SC_LEVEL2_CACHE_SIZE,
+ _SC_LEVEL2_CACHE_ASSOC, _SC_LEVEL2_CACHE_LINESIZE,
+ _SC_LEVEL3_CACHE_SIZE, _SC_LEVEL3_CACHE_ASSOC,
+ _SC_LEVEL3_CACHE_LINESIZE, _SC_LEVEL4_CACHE_SIZE,
+ _SC_LEVEL4_CACHE_ASSOC, _SC_LEVEL4_CACHE_LINESIZE): New
+ variables.
+
2017-10-23 Michael Collison <michael.collison@arm.com>
* sysdeps/aarch64/fpu/e_sqrt.c (ieee754_sqrt): Replace asm statements
diff --git a/manual/conf.texi b/manual/conf.texi
index 875862c..079bdb2 100644
--- a/manual/conf.texi
+++ b/manual/conf.texi
@@ -678,6 +678,67 @@ Inquire about the number of available physical pages in the system.
Inquire about the number of functions which can be registered as termination
functions for @code{atexit}; @pxref{Cleanups on Exit}.
+@item _SC_LEVEL1_ICACHE_SIZE
+@standards{GNU, unistd.h}
+Inquire about the size of the Level 1 instruction cache.
+
+@item _SC_LEVEL1_ICACHE_ASSOC
+@standards{GNU, unistd.h}
+Inquire about the associativity of the Level 1 instruction cache.
+
+@item _SC_LEVEL1_ICACHE_LINESIZE
+@standards{GNU, unistd.h}
+Inquire about the line length of the Level 1 instruction cache.
+
+@item _SC_LEVEL1_DCACHE_SIZE
+@standards{GNU, unistd.h}
+Inquire about the size of the Level 1 data cache.
+
+@item _SC_LEVEL1_DCACHE_ASSOC
+@standards{GNU, unistd.h}
+Inquire about the associativity of the Level 1 data cache.
+
+@item _SC_LEVEL1_DCACHE_LINESIZE
+@standards{GNU, unistd.h}
+Inquire about the line length of the Level 1 data cache.
+
+@item _SC_LEVEL2_CACHE_SIZE
+@standards{GNU, unistd.h}
+Inquire about the size of the Level 2 cache.
+
+@item _SC_LEVEL2_CACHE_ASSOC
+@standards{GNU, unistd.h}
+Inquire about the associativity of the Level 2 cache.
+
+@item _SC_LEVEL2_CACHE_LINESIZE
+@standards{GNU, unistd.h}
+Inquire about the line length of the Level 2 cache.
+
+@item _SC_LEVEL3_CACHE_SIZE
+@standards{GNU, unistd.h}
+Inquire about the size of the Level 3 cache.
+
+@item _SC_LEVEL3_CACHE_ASSOC
+@standards{GNU, unistd.h}
+Inquire about the associativity of the Level 3 cache.
+
+@item _SC_LEVEL3_CACHE_LINESIZE
+@standards{GNU, unistd.h}
+Inquire about the line length of the Level 3 cache.
+
+@item _SC_LEVEL4_CACHE_SIZE
+@standards{GNU, unistd.h}
+Inquire about the size of the Level 4 cache.
+
+@item _SC_LEVEL4_CACHE_ASSOC
+@standards{GNU, unistd.h}
+Inquire about the associativity of the Level 4 cache.
+
+@item _SC_LEVEL4_CACHE_LINESIZE
+@standards{GNU, unistd.h}
+Inquire about the line length of the Level 4 cache.
+
+
@item _SC_XOPEN_VERSION
@standards{X/Open, unistd.h}
Inquire about the parameter corresponding to @code{_XOPEN_VERSION}.