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(SIGAR-188) implement mem actual free/used on Windows

This commit is contained in:
Doug MacEachern 2010-04-01 17:36:46 -07:00
parent f27542af5b
commit e4fda73a29
2 changed files with 38 additions and 3 deletions
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23
src/os/win32/sigar_os.h
View File

@ -170,10 +170,28 @@ typedef enum {
SC_STATUS_PROCESS_INFO = 0
} SC_STATUS_TYPE;
typedef struct _PERFORMANCE_INFORMATION {
DWORD cb;
SIZE_T CommitTotal;
SIZE_T CommitLimit;
SIZE_T CommitPeak;
SIZE_T PhysicalTotal;
SIZE_T PhysicalAvailable;
SIZE_T SystemCache;
SIZE_T KernelTotal;
SIZE_T KernelPaged;
SIZE_T KernelNonpaged;
SIZE_T PageSize;
DWORD HandleCount;
DWORD ProcessCount;
DWORD ThreadCount;
} PERFORMANCE_INFORMATION, *PPERFORMANCE_INFORMATION;
#ifndef ERROR_DATATYPE_MISMATCH
#define ERROR_DATATYPE_MISMATCH 1629L
#endif
#else
#include <psapi.h>
#endif /* _MSC_VER */
#include <iprtrmib.h>
@ -437,6 +455,8 @@ typedef BOOL (CALLBACK *psapi_enum_processes)(DWORD *,
DWORD,
DWORD *);
typedef BOOL (CALLBACK *psapi_get_perf_info)(PPERFORMANCE_INFORMATION, DWORD);
/* winsta.dll */
typedef BOOLEAN (CALLBACK *winsta_query_info)(HANDLE,
ULONG,
@ -513,6 +533,7 @@ typedef struct {
SIGAR_DLLFUNC(psapi, enum_modules);
SIGAR_DLLFUNC(psapi, enum_processes);
SIGAR_DLLFUNC(psapi, get_module_name);
SIGAR_DLLFUNC(psapi, get_perf_info);
sigar_dll_func_t end;
} sigar_psapi_t;

18
src/os/win32/win32_sigar.c
View File

@ -341,6 +341,7 @@ static sigar_psapi_t sigar_psapi = {
{ "EnumProcessModules", NULL },
{ "EnumProcesses", NULL },
{ "GetModuleFileNameExA", NULL },
{ "GetPerformanceInfo", NULL },
{ NULL, NULL }
};
@ -630,9 +631,14 @@ char *sigar_os_error_string(sigar_t *sigar, int err)
#define sigar_GlobalMemoryStatusEx \
sigar->kernel.memory_status.func
#define sigar_GetPerformanceInfo \
sigar->psapi.get_perf_info.func
SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem)
{
sigar_uint64_t kern = 0;
DLLMOD_INIT(kernel, TRUE);
DLLMOD_INIT(psapi, FALSE);
if (sigar_GlobalMemoryStatusEx) {
MEMORYSTATUSEX memstat;
@ -645,6 +651,14 @@ SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem)
mem->total = memstat.ullTotalPhys;
mem->free = memstat.ullAvailPhys;
if (sigar_GetPerformanceInfo) {
PERFORMANCE_INFORMATION info;
if (sigar_GetPerformanceInfo(&info, sizeof(info))) {
kern = info.SystemCache;
kern *= sigar->pagesize;
}
}
}
else {
MEMORYSTATUS memstat;
@ -655,8 +669,8 @@ SIGAR_DECLARE(int) sigar_mem_get(sigar_t *sigar, sigar_mem_t *mem)
mem->used = mem->total - mem->free;
mem->actual_free = mem->free;
mem->actual_used = mem->used;
mem->actual_free = mem->free + kern;
mem->actual_used = mem->used - kern;
sigar_mem_calc_ram(sigar, mem);