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Change the "in use" percentage metric to actually display a real

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"in use" percentage. In other words, show how much of mb_map is in use.
This commit is contained in:
bmilekic 2000-10-15 06:29:22 +00:00
parent af7a6d917b
commit 95b1ae9f22
1 changed files with 14 additions and 9 deletions
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23
usr.bin/netstat/mbuf.c
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@ -98,11 +98,11 @@ static struct mbtypenames {
void
mbpr()
{
register int totmem, totfree, totmbufs;
u_long totmem, totpossible, totmbufs;
register int i;
struct mbtypenames *mp;
int name[3], nmbclusters, nmbufs, nmbtypes;
size_t nmbclen, nmbuflen, mbstatlen, mbtypeslen;
int name[3], nmbclusters, nmbufs, nmbcnt, nmbtypes;
size_t nmbclen, nmbuflen, nmbcntlen, mbstatlen, mbtypeslen;
u_long *mbtypes;
bool *seen; /* "have we seen this type yet?" */
@ -151,6 +151,12 @@ mbpr()
goto err;
}
nmbcntlen = sizeof(int);
if (sysctlbyname("kern.ipc.nmbcnt", &nmbcnt, &nmbcntlen, 0, 0) < 0) {
warn("sysctl: retrieving nmbcnt");
goto err;
}
#undef MSIZE
#define MSIZE (mbstat.m_msize)
#undef MCLBYTES
@ -159,7 +165,7 @@ mbpr()
totmbufs = 0;
for (mp = mbtypenames; mp->mt_name; mp++)
totmbufs += mbtypes[mp->mt_type];
printf("%u/%lu/%u mbufs in use (current/peak/max):\n", totmbufs,
printf("%lu/%lu/%u mbufs in use (current/peak/max):\n", totmbufs,
mbstat.m_mbufs, nmbufs);
for (mp = mbtypenames; mp->mt_name; mp++)
if (mbtypes[mp->mt_type]) {
@ -180,11 +186,10 @@ mbpr()
mbstat.m_refcnt - mbstat.m_refree, mbstat.m_refcnt);
totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * MCLBYTES +
mbstat.m_refcnt * sizeof(union mext_refcnt);
totfree = mbstat.m_clfree * MCLBYTES +
MSIZE * (mbstat.m_mbufs - totmbufs) + mbstat.m_refree *
sizeof(union mext_refcnt);
printf("%u Kbytes allocated to network (%d%% in use)\n",
totmem / 1024, (unsigned) (totmem - totfree) * 100 / totmem);
totpossible = nmbclusters * MCLBYTES + nmbufs * MSIZE +
nmbcnt * sizeof(union mext_refcnt);
printf("%lu Kbytes allocated to network (%lu%% of mb_map in use)\n",
totmem / 1024, (totmem * 100) / totpossible);
printf("%lu requests for memory denied\n", mbstat.m_drops);
printf("%lu requests for memory delayed\n", mbstat.m_wait);
printf("%lu calls to protocol drain routines\n", mbstat.m_drain);