From f0f4401f0cfc654646bdf21849627ebcbd5d82b5 Mon Sep 17 00:00:00 2001 From: rsc Date: Fri, 23 Apr 2004 05:12:11 +0000 Subject: stats helper --- src/cmd/auxstats/FreeBSD.c | 262 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 262 insertions(+) create mode 100644 src/cmd/auxstats/FreeBSD.c (limited to 'src/cmd/auxstats/FreeBSD.c') diff --git a/src/cmd/auxstats/FreeBSD.c b/src/cmd/auxstats/FreeBSD.c new file mode 100644 index 00000000..b0379f88 --- /dev/null +++ b/src/cmd/auxstats/FreeBSD.c @@ -0,0 +1,262 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "dat.h" + +void xapm(int); +void xloadavg(int); +void xcpu(int); +void xswap(int); +void xsysctl(int); +void xnet(int); +void xkvm(int); + +void (*statfn[])(int) = +{ + xkvm, + xapm, + xloadavg, + xswap, + xcpu, + xsysctl, + xnet, + 0 +}; + +static kvm_t *kvm; + +static struct nlist nl[] = { + { "_ifnet" }, + { "_cp_time" }, + { "" }, +}; + +void +kvminit(void) +{ + char buf[_POSIX2_LINE_MAX]; + + if(kvm) + return; + kvm = kvm_openfiles(nil, nil, nil, OREAD, buf); + if(kvm == nil) + return; + if(kvm_nlist(kvm, nl) < 0 || nl[0].n_type == 0){ + kvm = nil; + return; + } +} + +void +xkvm(int first) +{ + if(first) + kvminit(); +} + +int +kread(ulong addr, char *buf, int size) +{ + if(kvm_read(kvm, addr, buf, size) != size){ + memset(buf, 0, size); + return -1; + } + return size; +} + +void +xnet(int first) +{ + ulong out, in, outb, inb, err; + static ulong ifnetaddr; + ulong addr; + struct ifnet ifnet; + struct ifnethead ifnethead; + char name[16]; + int n; + + if(first) + return; + + if(ifnetaddr == 0){ + ifnetaddr = nl[0].n_value; + if(ifnetaddr == 0) + return; + } + + if(kread(ifnetaddr, (char*)&ifnethead, sizeof ifnethead) < 0) + return; + + out = in = outb = inb = err = 0; + addr = (ulong)TAILQ_FIRST(&ifnethead); + while(addr){ + if(kread(addr, (char*)&ifnet, sizeof ifnet) < 0 + || kread((ulong)ifnet.if_name, name, 16) < 0) + return; + name[15] = 0; + addr = (ulong)TAILQ_NEXT(&ifnet, if_link); + out += ifnet.if_opackets; + in += ifnet.if_ipackets; + outb += ifnet.if_obytes; + inb += ifnet.if_ibytes; + err += ifnet.if_oerrors+ifnet.if_ierrors; + } + Bprint(&bout, "etherin %lud 1000\n", in); + Bprint(&bout, "etherout %lud 1000\n", out); + Bprint(&bout, "etherinb %lud 1000000\n", inb); + Bprint(&bout, "etheroutb %lud 1000000\n", outb); + Bprint(&bout, "ethererr %lud 1000\n", err); + Bprint(&bout, "ether %lud 1000\n", in+out); + Bprint(&bout, "etherb %lud 1000000\n", inb+outb); +} + +void +xapm(int first) +{ + static int fd; + struct apm_info ai; + + if(first){ + fd = open("/dev/apm", OREAD); + return; + } + + if(ioctl(fd, APMIO_GETINFO, &ai) < 0) + return; + + if(ai.ai_batt_life <= 100) + Bprint(&bout, "battery =%d 100\n", ai.ai_batt_life); +} + +int +rsys(char *name, char *buf, int len) +{ + size_t l; + + l = len; + if(sysctlbyname(name, buf, &l, nil, 0) < 0) + return -1; + buf[l] = 0; + return l; +} + +vlong +isys(char *name) +{ + ulong u; + size_t l; + + l = sizeof u; + if(sysctlbyname(name, &u, &l, nil, 0) < 0) + return -1; + return u; +} + +void +xsysctl(int first) +{ + static int pgsize; + + if(first){ + pgsize = isys("vm.stats.vm.v_page_size"); + if(pgsize == 0) + pgsize = 4096; + } + + Bprint(&bout, "mem =%lld %lld\n", + isys("vm.stats.vm.v_active_count")*pgsize, + isys("vm.stats.vm.v_page_count")*pgsize); + Bprint(&bout, "context %lld 1000\n", isys("vm.stats.sys.v_swtch")); + Bprint(&bout, "syscall %lld 1000\n", isys("vm.stats.sys.v_syscall")); + Bprint(&bout, "intr %lld 1000\n", isys("vm.stats.sys.v_intr")+isys("vm.stats.sys.v_trap")); + Bprint(&bout, "fault %lld 1000\n", isys("vm.stats.vm.v_vm_faults")); + Bprint(&bout, "fork %lld 1000\n", isys("vm.stats.vm.v_forks") + +isys("vm.stats.vm.v_rforks") + +isys("vm.stats.vm.v_vforks")); +} + +void +xcpu(int first) +{ + static int stathz; + ulong x[20]; + struct clockinfo *ci; + int n; + + if(first){ + if(rsys("kern.clockrate", (char*)&x, sizeof x) < sizeof ci) + stathz = 128; + else{ + ci = (struct clockinfo*)x; + stathz = ci->stathz; + } + return; + } + + if((n=rsys("kern.cp_time", (char*)x, sizeof x)) < 5*sizeof(ulong)) + return; + + Bprint(&bout, "user %lud %d\n", x[CP_USER]+x[CP_NICE], stathz); + Bprint(&bout, "sys %lud %d\n", x[CP_SYS], stathz); + Bprint(&bout, "cpu %lud %d\n", x[CP_USER]+x[CP_NICE]+x[CP_SYS], stathz); + Bprint(&bout, "idle %lud %d\n", x[CP_IDLE], stathz); +} + +void +xloadavg(int first) +{ + double l[3]; + + if(first) + return; + + if(getloadavg(l, 3) < 0) + return; + Bprint(&bout, "load =%d 1000\n", (int)(l[0]*1000.0)); +} + +void +xswap(int first) +{ + static struct kvm_swap s; + static ulong pgin, pgout; + int i, o; + static int pgsize; + + if(first){ + pgsize = getpagesize(); + if(pgsize == 0) + pgsize = 4096; + return; + } + + if(kvm == nil) + return; + + i = isys("vm.stats.vm.v_swappgsin"); + o = isys("vm.stats.vm.v_swappgsout"); + if(i != pgin || o != pgout){ + pgin = i; + pgout = o; + kvm_getswapinfo(kvm, &s, 1, 0); + } + + + Bprint(&bout, "swap =%lld %lld\n", s.ksw_used*(vlong)pgsize, s.ksw_total*(vlong)pgsize); +} + -- cgit v1.2.3