diff options
| author | Claudio Jeker <claudio@cvs.openbsd.org> | 2010-11-05 10:07:31 +0000 |
|---|---|---|
| committer | Claudio Jeker <claudio@cvs.openbsd.org> | 2010-11-05 10:07:31 +0000 |
| commit | ae686f223a0e393b174fcb573529a8834a6b0232 (patch) | |
| tree | 343bc448d2812e529dbf9662bafe335c943a67f5 /usr.bin | |
| parent | c3e8c08a0ebe38a96718159f595d5e99e78e8078 (diff) | |
Print relativ number of livelocks that happend between two systat
updates instead of showing absolut figures. Makes it easier to
estimate the "livelockyness" of a system.
OK dlg@
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/systat/mbufs.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/usr.bin/systat/mbufs.c b/usr.bin/systat/mbufs.c index cf489e68e24..154e0c92992 100644 --- a/usr.bin/systat/mbufs.c +++ b/usr.bin/systat/mbufs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mbufs.c,v 1.30 2010/11/02 10:24:34 dlg Exp $ */ +/* $OpenBSD: mbufs.c,v 1.31 2010/11/05 10:07:30 claudio Exp $ */ /* * Copyright (c) 2008 Can Erkin Acar <canacar@openbsd.org> * @@ -41,7 +41,7 @@ struct mclpool_info { int mclpool_count = 0; int mbpool_index = -1; struct pool mbpool; -u_int mcllivelocks = 0; +u_int mcllivelocks, mcllivelocks_cur, mcllivelocks_diff; /* interfaces */ static int num_ifs; @@ -201,12 +201,14 @@ read_mb(void) mib[0] = CTL_KERN; mib[1] = KERN_NETLIVELOCKS; - size = sizeof(mcllivelocks); - if (sysctl(mib, 2, &mcllivelocks, &size, NULL, 0) < 0 && + size = sizeof(mcllivelocks_cur); + if (sysctl(mib, 2, &mcllivelocks_cur, &size, NULL, 0) < 0 && errno != EOPNOTSUPP) { error("sysctl(KERN_NETLIVELOCKS)"); goto exit; } + mcllivelocks_diff = mcllivelocks_cur - mcllivelocks; + mcllivelocks = mcllivelocks_cur; num_disp = 0; if (getifaddrs(&ifap)) { @@ -351,7 +353,7 @@ showmbuf(struct if_info *ifi, int p, int showif) print_fld_str(FLD_MB_IFACE, ifi->name); if (p == -1 && ifi == interfaces) { - print_fld_uint(FLD_MB_LLOCKS, mcllivelocks); + print_fld_uint(FLD_MB_LLOCKS, mcllivelocks_diff); print_fld_size(FLD_MB_MSIZE, mbpool.pr_size); print_fld_size(FLD_MB_MALIVE, mbpool.pr_nget - mbpool.pr_nput); print_fld_size(FLD_MB_MHWM, mbpool.pr_hiwat); |