| 40 |
|
#include <sys/sysctl.h> |
| 41 |
|
#include <unistd.h> |
| 42 |
|
#endif |
| 43 |
< |
#if defined(NETBSD) || defined(OPENBSD) |
| 43 |
> |
#if defined(NETBSD) |
| 44 |
|
#include <sys/param.h> |
| 45 |
|
#include <sys/time.h> |
| 46 |
|
#include <uvm/uvm.h> |
| 47 |
|
#endif |
| 48 |
+ |
#if defined(OPENBSD) |
| 49 |
+ |
#include <sys/param.h> |
| 50 |
+ |
#include <sys/types.h> |
| 51 |
+ |
#include <sys/sysctl.h> |
| 52 |
+ |
#include <sys/unistd.h> |
| 53 |
+ |
#endif |
| 54 |
|
#ifdef HPUX |
| 55 |
|
#include <sys/param.h> |
| 56 |
|
#include <sys/pstat.h> |
| 91 |
|
u_int inactive_count; |
| 92 |
|
int pagesize; |
| 93 |
|
#endif |
| 94 |
< |
#if defined(NETBSD) || defined(OPENBSD) |
| 94 |
> |
#if defined(NETBSD) |
| 95 |
|
struct uvmexp *uvm; |
| 96 |
|
#endif |
| 97 |
+ |
#if defined(OPENBSD) |
| 98 |
+ |
int mib[2]; |
| 99 |
+ |
struct vmtotal vmtotal; |
| 100 |
+ |
size_t size; |
| 101 |
+ |
int pagesize, page_multiplier; |
| 102 |
+ |
#endif |
| 103 |
|
#ifdef WIN32 |
| 104 |
|
MEMORYSTATUSEX memstats; |
| 105 |
|
#endif |
| 230 |
|
mem_stat.used=physmem-mem_stat.free; |
| 231 |
|
#endif |
| 232 |
|
|
| 233 |
< |
#if defined(NETBSD) || defined(OPENBSD) |
| 233 |
> |
#if defined(NETBSD) |
| 234 |
|
if ((uvm = sg_get_uvmexp()) == NULL) { |
| 235 |
|
return NULL; |
| 236 |
|
} |
| 237 |
|
|
| 238 |
|
mem_stat.total = uvm->pagesize * uvm->npages; |
| 227 |
– |
#ifdef NETBSD |
| 239 |
|
mem_stat.cache = uvm->pagesize * (uvm->filepages + uvm->execpages); |
| 229 |
– |
#else |
| 230 |
– |
/* Can't find cache memory on OpenBSD */ |
| 231 |
– |
mem_stat.cache = 0; |
| 232 |
– |
#endif |
| 240 |
|
mem_stat.free = uvm->pagesize * (uvm->free + uvm->inactive); |
| 241 |
|
mem_stat.used = mem_stat.total - mem_stat.free; |
| 242 |
+ |
#endif |
| 243 |
+ |
|
| 244 |
+ |
#if defined(OPENBSD) |
| 245 |
+ |
/* The code in this section is based on the code in the OpenBSD |
| 246 |
+ |
* top utility, located at src/usr.bin/top/machine.c in the |
| 247 |
+ |
* OpenBSD source tree. |
| 248 |
+ |
* |
| 249 |
+ |
* For fun, and like OpenBSD top, we will do the multiplication |
| 250 |
+ |
* converting the memory stats in pages to bytes in base 2. |
| 251 |
+ |
*/ |
| 252 |
+ |
|
| 253 |
+ |
/* All memory stats in OpenBSD are returned as the number of pages. |
| 254 |
+ |
* To convert this into the number of bytes we need to know the |
| 255 |
+ |
* page size on this system. |
| 256 |
+ |
*/ |
| 257 |
+ |
pagesize = sysconf(_SC_PAGESIZE); |
| 258 |
+ |
|
| 259 |
+ |
/* The pagesize gives us the base 10 multiplier, so we need to work |
| 260 |
+ |
* out what the base 2 multiplier is. This means dividing |
| 261 |
+ |
* pagesize by 2 until we reach unity, and counting the number of |
| 262 |
+ |
* divisions required. |
| 263 |
+ |
*/ |
| 264 |
+ |
page_multiplier = 0; |
| 265 |
+ |
|
| 266 |
+ |
while (pagesize > 1) { |
| 267 |
+ |
page_multiplier++; |
| 268 |
+ |
pagesize >>= 1; |
| 269 |
+ |
} |
| 270 |
+ |
|
| 271 |
+ |
/* We can now ret the the raw VM stats (in pages) using the |
| 272 |
+ |
* sysctl interface. |
| 273 |
+ |
*/ |
| 274 |
+ |
mib[0] = CTL_VM; |
| 275 |
+ |
mib[1] = VM_METER; |
| 276 |
+ |
size = sizeof(vmtotal); |
| 277 |
+ |
|
| 278 |
+ |
if (sysctl(mib, 2, &vmtotal, &size, NULL, 0) < 0) { |
| 279 |
+ |
bzero(&vmtotal, sizeof(vmtotal)); |
| 280 |
+ |
sg_set_error_with_errno(SG_ERROR_SYSCTL, "CTL_VM.VM_METER"); |
| 281 |
+ |
return NULL; |
| 282 |
+ |
} |
| 283 |
+ |
|
| 284 |
+ |
/* Convert the raw stats to bytes, and return these to the caller |
| 285 |
+ |
*/ |
| 286 |
+ |
mem_stat.used = (vmtotal.t_rm << page_multiplier); /* total real mem in use */ |
| 287 |
+ |
mem_stat.cache = 0; /* no cache stats */ |
| 288 |
+ |
mem_stat.free = (vmtotal.t_free << page_multiplier); /* free memory pages */ |
| 289 |
+ |
mem_stat.total = (mem_stat.used + mem_stat.free); |
| 290 |
|
#endif |
| 291 |
|
|
| 292 |
|
#ifdef WIN32 |
