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https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=2ad09c5ddd133bc4e543b15eb5e75b6e0aaaf197
commit 2ad09c5ddd133bc4e543b15eb5e75b6e0aaaf197
Merge: e15a918 1c87bc6
Author: Brad King <brad.k...@kitware.com>
AuthorDate: Wed Aug 21 14:50:06 2019 +0000
Commit: Kitware Robot <kwro...@kitware.com>
CommitDate: Wed Aug 21 10:51:48 2019 -0400
Merge topic 'ProcessorCount-solaris'
1c87bc60ee ProcessorCount: Fix virtual processor count on Solaris
Acked-by: Kitware Robot <kwro...@kitware.com>
Merge-request: !3694
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=1c87bc60eef7de896215b0b8a2d0e0abf411f113
commit 1c87bc60eef7de896215b0b8a2d0e0abf411f113
Author: Jon Chronopoulos <patc...@crondog.com>
AuthorDate: Sun Aug 11 19:11:32 2019 +1000
Commit: Brad King <brad.k...@kitware.com>
CommitDate: Tue Aug 20 10:26:06 2019 -0400
ProcessorCount: Fix virtual processor count on Solaris
The previous code did not count the number of virtual processors across
physical processors on SunOS.
Can handle the following situations:
```
$ uname -a
SunOS solaris 5.11 11.4.0.15.0 i86pc i386 i86pc
$ psrinfo -p -v
The physical processor has 1 virtual processor (0)
x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (1)
x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (2)
x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (3)
x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
Intel Core Processor (Broadwell)
```
```
$ uname -a
SunOS sol11x86 5.11 11.0 i86pc i386 i86pc
$ psrinfo -p -v
The physical processor has 2 virtual processors (0 1)
x86 (GenuineIntel 50650 family 6 model 85 step 0 clock 2000 MHz)
Intel(r) Xeon(r) Gold 6138 CPU @ 2.00GHz
```
```
$ uname -a
SunOS sol11 5.11 11.0 sun4v sparc sun4v
$ psrinfo -p -v
The physical processor has 2 cores and 16 virtual processors (0-15)
The core has 8 virtual processors (0-7)
The core has 8 virtual processors (8-15)
SPARC-T4 (chipid 0, clock 2848 MHz)
```
diff --git a/Modules/ProcessorCount.cmake b/Modules/ProcessorCount.cmake
index 8c25256..43ec889 100644
--- a/Modules/ProcessorCount.cmake
+++ b/Modules/ProcessorCount.cmake
@@ -168,9 +168,13 @@ function(ProcessorCount var)
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE psrinfo_output)
- string(REGEX MATCH "([0-9]+) virtual processor" procs
"${psrinfo_output}")
- set(count "${CMAKE_MATCH_1}")
- #message("ProcessorCount: trying psrinfo -p -v
'${ProcessorCount_cmd_prvinfo}'")
+ string(REGEX MATCHALL "has [0-9]+ virtual processor" procs
"${psrinfo_output}")
+ set(count "")
+ foreach(proc ${procs})
+ string(REGEX MATCH "has ([0-9]+) virtual" res ${proc})
+ math(EXPR count "${count} + ${CMAKE_MATCH_1}")
+ endforeach()
+ #message("ProcessorCount: trying '${ProcessorCount_cmd_psrinfo}' -p -v")
else()
# Sun (systems where uname -X emits "NumCPU" in its output):
find_program(ProcessorCount_cmd_uname uname)
-----------------------------------------------------------------------
Summary of changes:
Modules/ProcessorCount.cmake | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
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