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| author | Fredrik Gustafsson <[email protected]> | 2013-11-04 12:30:01 +0100 |
|---|---|---|
| committer | Fredrik Gustafsson <[email protected]> | 2013-11-04 12:30:01 +0100 |
| commit | c911744728926ee44a8dafd1ad44168dcc97201e (patch) | |
| tree | 5f6e6a4a4e42059d462e0de08b1d3576f306be1a /lib/os_mon/src | |
| parent | 82803a5f91adb7825de911edc6965ab8f1f57a17 (diff) | |
| parent | 6cc7d88683f581fd6a1619aea8c3c5309f4f4013 (diff) | |
| download | otp-c911744728926ee44a8dafd1ad44168dcc97201e.tar.gz otp-c911744728926ee44a8dafd1ad44168dcc97201e.tar.bz2 otp-c911744728926ee44a8dafd1ad44168dcc97201e.zip | |
Merge branch 'cmeiklejohn/csm-fix-memsup-problems/OTP-11454' into maint
* cmeiklejohn/csm-fix-memsup-problems/OTP-11454:
Fix incorrect reporting of memory on OS X via memsup.
Diffstat (limited to 'lib/os_mon/src')
| -rw-r--r-- | lib/os_mon/src/memsup.erl | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/os_mon/src/memsup.erl b/lib/os_mon/src/memsup.erl index a1b8591c8c..b178732fae 100644 --- a/lib/os_mon/src/memsup.erl +++ b/lib/os_mon/src/memsup.erl @@ -721,20 +721,19 @@ reply(Pending, MemUsage, SysMemUsage) -> %% get_memory_usage(OS) -> {Alloc, Total} %% Darwin: -%% Uses vm_stat command. This appears to lie about the page size in -%% Mac OS X 10.2.2 - the pages given are based on 4000 bytes, but -%% the vm_stat command tells us that it is 4096... +%% Uses vm_stat command. get_memory_usage({unix,darwin}) -> Str1 = os:cmd("/usr/bin/vm_stat"), - - {[Free], Str2} = fread_value("Pages free:~d.", Str1), - {[Active], Str3} = fread_value("Pages active:~d.", Str2), - {[Inactive], Str4} = fread_value("Pages inactive:~d.", Str3), - {[_], Str5} = fread_value("Pages speculative:~d.", Str4), + PageSize = 4096, + + {[Free], Str2} = fread_value("Pages free:~d.", Str1), + {[Active], Str3} = fread_value("Pages active:~d.", Str2), + {[Inactive], Str4} = fread_value("Pages inactive:~d.", Str3), + {[Speculative], Str5} = fread_value("Pages speculative:~d.", Str4), {[Wired], _} = fread_value("Pages wired down:~d.", Str5), - NMemUsed = (Wired + Active + Inactive) * 4000, - NMemTotal = NMemUsed + Free * 4000, + NMemUsed = (Wired + Active + Inactive) * PageSize, + NMemTotal = NMemUsed + (Free + Speculative) * PageSize, {NMemUsed,NMemTotal}; %% FreeBSD: Look in /usr/include/sys/vmmeter.h for the format of struct |