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Implement fetching of swap stats

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Landry Breuil
2010-05-13 19:56:51 +02:00
parent e5ad1842bf
commit 10247249eb
1 changed files with 24 additions and 3 deletions
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27
src/task-manager-bsd.c
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@@ -163,6 +163,8 @@ gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free, guint64
{
int mib[] = {CTL_VM, VM_METER};
struct vmtotal vmtotal;
struct swapent *swdev;
int nswap, i;
size_t size;
size = sizeof(vmtotal);
if (sysctl(mib, 2, &vmtotal, &size, NULL, 0) < 0)
@@ -172,9 +174,28 @@ gboolean get_memory_usage (guint64 *memory_total, guint64 *memory_free, guint64
*memory_free = pagetok(vmtotal.t_free);
*memory_cache = 0;
*memory_buffers = pagetok(vmtotal.t_rm - vmtotal.t_arm);
/* XXX:TODO */
*swap_total = 0;
*swap_free = 0;
/* get swap stats */
if ((nswap = swapctl(SWAP_NSWAP, 0, 0)) == 0)
errx(1,"failed to get swap device count");
if ((swdev = calloc(nswap, sizeof(*swdev))) == NULL)
errx(1,"failed to allocate memory for swdev structures");
if (swapctl(SWAP_STATS, swdev, nswap) == -1) {
free(swdev);
errx(1,"failed to get swap stats");
}
/* Total things up */
*swap_total = *swap_free = 0;
for (i = 0; i < nswap; i++) {
if (swdev[i].se_flags & SWF_ENABLE) {
*swap_free += ((swdev[i].se_nblks - swdev[i].se_inuse) / (1024 / DEV_BSIZE));
*swap_total += (swdev[i].se_nblks / (1024 / DEV_BSIZE));
}
}
free(swdev);
return TRUE;
}