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freebsd-ports/sysutils/xperfmon3/files/patch-aa
Joerg Wunsch a730d05ad2 Major upgrade from Lars. The geometry bug has been fixed, and the 
swap display improved.

Submitted by:	Lars Köller (Lars_Koeller@odie.physik2.uni-rostock.de)
1995-12-15 22:25:50 +00:00

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diff -c -N ../xperfmon++/bsd_system.c ./bsd_system.c
*** ../xperfmon++/bsd_system.c Thu Jan 1 01:00:00 1970
--- ./bsd_system.c Fri Dec 15 11:00:03 1995
***************
*** 0 ****
--- 1,548 ----
+ /*
+ * Perfmon Performance Monitor
+ *
+ * Copyright 1985, Massachusetts Institute of Technology
+ * Copyright 1989, PCS Computer Systeme GmbH, West Germany
+ * Copyright 1994, Sterling Software @ NASA-Ames Research Center
+ * Copyright 1995, Regents of the University of California,
+ * Lars Köller <Lars_Koeller@odie.physik2.uni-rostock.de
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of PCS and Sterling Software not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. PCS and Sterling Software makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * PCS & STERLING SOFTWARE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL PCS & STERLING SOFTWARE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Original Author: Emanuel Jay Berkenbilt, MIT Project Athena
+ * Author: Thomas A. Baghli, PCS Computer Systeme GmbH, West Germany
+ * tom@meepmeep.pcs.com
+ * 1994 Revision
+ * Author: Roger Smith, Sterling Software @ NASA-Ames Research Center
+ * Moffett Field, California, rsmith@proteus.arc.nasa.gov
+ * 1995 FreeBSD 2.x Version
+ * Author: Lars Koeller, Univerity of Rostock, Germany
+ * Lars_Koeller@odie.physik2.uni-rostock.de
+ */
+
+ /* This file contains only system functions - that is the functions that
+ * get the information the performance monitor is monitoring. No calls
+ * to any X routines should be made here. The reason for doing this is
+ * so that as the X toolkit becomes available and the X window system
+ * improves no changes will have to be made to this file, and as this
+ * program is made available for a new type of machine, only this file
+ * will need to be changed.
+ */
+ #include <X11/IntrinsicP.h>
+
+ #include "system.h"
+
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <strings.h>
+ #include <unistd.h>
+ #include <paths.h>
+ #include <kvm.h>
+ #include <nlist.h>
+ #include <limits.h>
+ #include <errno.h>
+ #include <err.h>
+
+ #include <sys/file.h>
+ #include <sys/param.h>
+ #include <sys/socket.h>
+ #include <sys/sysctl.h>
+ #include <sys/dkstat.h>
+ #include <sys/buf.h>
+ #include <sys/vmmeter.h>
+ #include <vm/vm.h>
+ #include <net/if.h>
+ #include <netinet/in.h>
+ #include <sys/stat.h>
+ #include <sys/conf.h>
+ #include <sys/rlist.h>
+ #include <sys/mount.h>
+ #include <nfs/nfsv2.h>
+ #include <nfs/nfs.h>
+
+
+ #if __FreeBSD__ > 1
+ #include <osreldate.h>
+ /*
+ * XXX temporary hack: FreeBSD-2.2-current has been floating around
+ * with 199508 for some time; FreeBSD-2.1 will be 199511 however (so
+ * 2.2-current has been bumped to 199512 recently). Recognize the old
+ * 2.2-current as NFSv3 for a grace period.
+ * FreeBSD 2.0.5 was 199504, btw. Both, 2.0.5 and 2.1 don't have
+ * NFSv3.
+ */
+ # if __FreeBSD_version > 199511 || __FreeBSD_version == 199508
+ # define HAS_NFS_V3
+ # endif /* FreeBSD_version */
+ #endif /* FreeBSD */
+
+ #include "is.h"
+
+ #ifndef TRUE
+ #define TRUE 1
+ #define FALSE 0
+ #endif
+
+ #define WANT_STAT(x) (poss_stats[(x)] != NO_STAT)
+
+ /*
+ Function Prototypes
+ */
+ static int get_namelist(const char *kernel_name, const char *memory_name);
+ static void kread(int nlx, void *addr, size_t size);
+ static void collect_stats(void);
+ static int total_disk_transfers(void);
+ static int get_swapspace(void);
+
+ /*
+ Variables & Structs
+ */
+ static unsigned long *intrcnt;
+ static int nintr, hz;
+ static kvm_t *kd;
+ static char errbuf[_POSIX2_LINE_MAX];
+ static char dr_name[DK_NDRIVE][DK_NAMELEN];
+ static double etime;
+
+ int current_values[NUM_GRAPHS];
+ stat_type stats;
+
+ extern Widget perfmon[NUM_GRAPHS];
+
+ static struct packet {
+ int input, output, collisions;
+ } packets, old_packets;
+
+ static struct nfsstats nfsstats;
+ static struct _nfsStats {
+ int nfsServer, nfsClient;
+ } nfsStats, old_nfsStats;
+
+ struct nlist nl[] = {
+ #define X_CPTIME 0
+ { "_cp_time" },
+ #define X_SUM 1
+ { "_cnt" },
+ #define X_BOOTTIME 2
+ { "_boottime" },
+ #define X_DKXFER 3
+ { "_dk_xfer" },
+ #define X_HZ 4
+ { "_hz" },
+ #define N_IFNET 5
+ { "_ifnet" },
+ #define X_INTRCNT 6
+ { "_intrcnt" },
+ #define X_EINTRCNT 7
+ { "_eintrcnt" },
+ #define VM_NSWAP 8
+ { "_nswap" }, /* size of largest swap device */
+ #define VM_NSWDEV 9
+ { "_nswdev" }, /* number of swap devices */
+ #define VM_DMMAX 10
+ { "_dmmax" }, /* maximum size of a swap block */
+ #define VM_SWAPLIST 11
+ { "_swaplist" },/* list of free swap areas */
+ #define VM_SWDEVT 12
+ { "_swdevt" }, /* list of swap devices and sizes */
+ { "" },
+ };
+
+ struct {
+ long time[CPUSTATES];
+ long xfer[DK_NDRIVE];
+ struct vmmeter Sum;
+ struct vmmeter Rate;
+ int interrupts;
+ } s, s1;
+
+ int off;
+
+ #define rate s.Rate
+ #define sum s.Sum
+
+ /*
+ This routine does all necessary setting up of structures
+ that will handle system calls.
+ */
+ void sys_setup()
+ {
+ get_namelist(getbootfile(), _PATH_KMEM);
+ collect_stats();
+ /* hack to enforce a resize of the 'Free Swap' graph
+ without this the left border always displays the first drawn line
+ cause this field isn't resized very often due to slow change of
+ the free swapspace! */
+ off = 100 - get_swapspace();
+ etime = 1.0;
+ }
+
+
+ /*
+ Update the data structures
+ */
+ void update_stats()
+ {
+ int state;
+ double pct, tot;;
+
+ collect_stats();
+
+ tot = 0;
+ for (state = 0; state < CPUSTATES; ++state)
+ tot += s.time[state];
+ if (tot)
+ pct = 100 / tot;
+ else
+ pct = 0;
+ current_values[USER_CPU_PERCENTAGE] = (s.time[CP_USER] + s.time[CP_NICE]) * pct;
+ current_values[SYSTEM_CPU_PERCENTAGE] = (s.time[CP_SYS] + s.time[CP_INTR]) * pct;;
+ current_values[IDLE_CPU_PERCENTAGE] = s.time[CP_IDLE] * pct;
+
+ if (perfmon[FREE_MEM]) {
+ current_values[FREE_MEM] = get_swapspace() + off;
+ off = 0;
+ }
+ if (perfmon[DISK_TRANSFERS])
+ current_values[DISK_TRANSFERS] = total_disk_transfers();
+ if (perfmon[INTERRUPTS])
+ current_values[INTERRUPTS] = (s.interrupts - s1.interrupts)/etime;
+ if (perfmon[INPUT_PACKETS])
+ current_values[INPUT_PACKETS] = (packets.input - old_packets.input)/etime;
+ if (perfmon[OUTPUT_PACKETS])
+ current_values[OUTPUT_PACKETS] = (packets.output - old_packets.output)/etime;
+ if (perfmon[COLLISION_PACKETS])
+ current_values[COLLISION_PACKETS] = (packets.collisions - old_packets.collisions)/etime;
+ if (perfmon[NFS_CLIENT_CALLS])
+ current_values[NFS_CLIENT_CALLS] = (nfsStats.nfsClient - old_nfsStats.nfsClient)/etime;
+ if (perfmon[NFS_SERVER_CALLS])
+ current_values[NFS_SERVER_CALLS] = (nfsStats.nfsServer - old_nfsStats.nfsServer)/etime;
+ }
+
+
+ /*
+ Collect the overall disk transfer rates
+ */
+ int
+ total_disk_transfers()
+ {
+ register int i, total_xfers = 0;
+
+ for(i=0; i < DK_NDRIVE; i++)
+ total_xfers += s.xfer[i];
+ return(total_xfers/etime);
+ }
+
+
+ /*
+ Collect all the data
+ */
+ void
+ collect_stats()
+ {
+ off_t ifnetaddr;
+ register int i, tmp;
+ int mib[3], size;
+
+ kread(X_CPTIME, s.time, sizeof(s.time));
+ kread(X_DKXFER, s.xfer, sizeof(s.xfer));
+ kread(X_SUM, &sum, sizeof(sum) );
+
+ nintr = nl[X_EINTRCNT].n_value - nl[X_INTRCNT].n_value;
+ if ((intrcnt = (unsigned long *) malloc((size_t) nintr)) == NULL)
+ err(1, "xperfmon++ malloc in collect_stats");
+ nintr /= sizeof(long);
+ kread(X_INTRCNT, intrcnt, (size_t) nintr*sizeof(long));
+ s1.interrupts = s.interrupts;
+ s.interrupts = 0;
+ for (i = 0; i < nintr; i++)
+ s.interrupts += *(intrcnt + i);
+
+ free(intrcnt);
+ etime = 0;
+ for (i=0; i < DK_NDRIVE; i++) {
+ tmp = s.xfer[i];
+ s.xfer[i] -= s1.xfer[i];
+ s1.xfer[i] = tmp;
+ }
+ for (i=0; i < CPUSTATES; i++) {
+ tmp = s.time[i];
+ s.time[i] -= s1.time[i];
+ s1.time[i] = tmp;
+ etime += s.time[i];
+ }
+ if(etime == 0.)
+ etime = 1.;
+ etime /= hz;
+
+ /*
+ Collect the Network-Traffic
+ */
+
+ if (nl[N_IFNET].n_value != 0) {
+ struct ifnet ifnet;
+ kread(N_IFNET, &ifnetaddr, sizeof(ifnetaddr));
+ old_packets = packets;
+ packets.input = packets.output = packets.collisions = 0;
+ while (ifnetaddr) {
+ kvm_read(kd, ifnetaddr, &ifnet, sizeof ifnet );
+ packets.input += ifnet.if_ipackets;
+ packets.output += ifnet.if_opackets;
+ packets.collisions += ifnet.if_collisions;
+ ifnetaddr = (u_long) ifnet.if_next;
+ }
+ }
+
+ /*
+ Collect the NFS and RPC Calls
+ */
+
+ size = sizeof(nfsstats);
+ mib[0] = CTL_FS;
+ mib[1] = MOUNT_NFS;
+ mib[2] = NFS_NFSSTATS;
+
+ if (sysctl( mib, 3, &nfsstats, &size, NULL, 0) < 0)
+ return;
+ else {
+ old_nfsStats = nfsStats;
+
+ nfsStats.nfsClient = nfsstats.rpccnt[NFSPROC_GETATTR] +
+ nfsstats.rpccnt[NFSPROC_SETATTR] +
+ nfsstats.rpccnt[NFSPROC_LOOKUP] +
+ nfsstats.rpccnt[NFSPROC_READLINK] +
+ nfsstats.rpccnt[NFSPROC_READ] +
+ nfsstats.rpccnt[NFSPROC_WRITE] +
+ nfsstats.rpccnt[NFSPROC_CREATE] +
+ nfsstats.rpccnt[NFSPROC_REMOVE] +
+ nfsstats.rpccnt[NFSPROC_RENAME] +
+ nfsstats.rpccnt[NFSPROC_LINK] +
+ nfsstats.rpccnt[NFSPROC_SYMLINK] +
+ nfsstats.rpccnt[NFSPROC_MKDIR] +
+ nfsstats.rpccnt[NFSPROC_RMDIR] +
+ nfsstats.rpccnt[NFSPROC_READDIR] +
+ #ifndef HAS_NFS_V3
+ nfsstats.rpccnt[NFSPROC_STATFS] +
+ nfsstats.rpccnt[NQNFSPROC_READDIRLOOK] +
+ #else /* HAS_NFS_V3 */
+ nfsstats.rpccnt[NFSPROC_READDIRPLUS] +
+ nfsstats.rpccnt[NFSPROC_FSSTAT] +
+ nfsstats.rpccnt[NFSPROC_FSINFO] +
+ nfsstats.rpccnt[NFSPROC_PATHCONF] +
+ nfsstats.rpccnt[NFSPROC_COMMIT] +
+ #endif /* HAS_NFS_V3 */
+ nfsstats.rpccnt[NQNFSPROC_GETLEASE] +
+ nfsstats.rpccnt[NQNFSPROC_VACATED] +
+ nfsstats.rpccnt[NQNFSPROC_EVICTED];
+
+ nfsStats.nfsServer = nfsstats.srvrpccnt[NFSPROC_GETATTR] +
+ nfsstats.srvrpccnt[NFSPROC_SETATTR] +
+ nfsstats.srvrpccnt[NFSPROC_LOOKUP] +
+ nfsstats.srvrpccnt[NFSPROC_READLINK] +
+ nfsstats.srvrpccnt[NFSPROC_READ] +
+ nfsstats.srvrpccnt[NFSPROC_WRITE] +
+ nfsstats.srvrpccnt[NFSPROC_CREATE] +
+ nfsstats.srvrpccnt[NFSPROC_REMOVE] +
+ nfsstats.srvrpccnt[NFSPROC_RENAME] +
+ nfsstats.srvrpccnt[NFSPROC_LINK] +
+ nfsstats.srvrpccnt[NFSPROC_SYMLINK] +
+ nfsstats.srvrpccnt[NFSPROC_MKDIR] +
+ nfsstats.srvrpccnt[NFSPROC_RMDIR] +
+ nfsstats.srvrpccnt[NFSPROC_READDIR] +
+ #ifndef HAS_NFS_V3
+ nfsstats.srvrpccnt[NFSPROC_STATFS] +
+ nfsstats.srvrpccnt[NQNFSPROC_READDIRLOOK] +
+ #else /* HAS_NFS_V3 */
+ nfsstats.srvrpccnt[NFSPROC_READDIRPLUS] +
+ nfsstats.srvrpccnt[NFSPROC_FSSTAT] +
+ nfsstats.srvrpccnt[NFSPROC_FSINFO] +
+ nfsstats.srvrpccnt[NFSPROC_PATHCONF] +
+ nfsstats.srvrpccnt[NFSPROC_COMMIT] +
+ #endif /* HAS_NFS_V3 */
+ nfsstats.srvrpccnt[NQNFSPROC_GETLEASE] +
+ nfsstats.srvrpccnt[NQNFSPROC_VACATED] +
+ nfsstats.srvrpccnt[NQNFSPROC_EVICTED];
+ }
+ }
+
+
+ /*
+ Reads the nlist from the kernel
+ */
+ int
+ get_namelist(kernel_name, memory_name)
+ const char *kernel_name, *memory_name;
+ {
+ time_t now;
+ time_t boottime;
+ register int i, c;
+ int nintv;
+
+ kd = kvm_openfiles(NULL, NULL, NULL, O_RDONLY, errbuf);
+ if (kd == 0) {
+ (void)fprintf(stderr, "xperfmon++: kvm_openfiles: %s\n", errbuf);
+ exit(1);
+ }
+
+ if ((c = kvm_nlist(kd, nl)) != 0) {
+ if (c > 0) {
+ (void)fprintf(stderr,"xperfmon++: undefined symbols:");
+ for (c = 0; c < sizeof(nl)/sizeof(nl[0]); c++)
+ if (nl[c].n_type == 0)
+ fprintf(stderr, " %s", nl[c].n_name);
+ (void)fputc('\n', stderr);
+ } else
+ (void)fprintf(stderr, "xperfmon++: kvm_nlist: %s\n", kvm_geterr(kd)); exit(1);
+ }
+
+ kread(X_BOOTTIME, &boottime, sizeof(boottime));
+ kread(X_HZ, &hz, sizeof(hz));
+ for (i = 0; i < DK_NDRIVE; i++) {
+ strcpy(dr_name[i], "xx");
+ }
+ time(&now);
+ nintv = now - boottime;
+ if (nintv <= 0 || nintv > 60*60*24*365*10) {
+ fprintf(stderr,
+ "Time makes no sense... namelist must be wrong.\n");
+ exit(1);
+ }
+ return(nintv);
+ }
+
+
+ /*
+ Kread reads something from the kernel, given its nlist index.
+ */
+ static void
+ kread(nlx, addr, size)
+ int nlx;
+ void *addr;
+ size_t size;
+ {
+ char *sym;
+
+ if (nl[nlx].n_type == 0 || nl[nlx].n_value == 0) {
+ sym = nl[nlx].n_name;
+ if (*sym == '_')
+ ++sym;
+ (void)fprintf(stderr,
+ "xpermon++: symbol %s not defined\n", sym);
+ exit(1);
+ }
+ if (kvm_read(kd, nl[nlx].n_value, addr, size) != size) {
+ sym = nl[nlx].n_name;
+ if (*sym == '_')
+ ++sym;
+ (void)fprintf(stderr, "xperfmon++: %s: %s\n", sym, kvm_geterr(kd));
+ exit(1);
+ }
+ }
+
+ /*
+ * get_swapspace is based on a program called swapinfo written
+ * by Kevin Lahey <kml@rokkaku.atl.ga.us>.
+ */
+ int
+ get_swapspace()
+ {
+ char *header;
+ int hlen, nswap, nswdev, dmmax;
+ int i, div, avail, nfree, npfree, used;
+ struct swdevt *sw;
+ long blocksize, *perdev;
+ struct rlist head;
+ struct rlist *swaplist;
+ u_long ptr;
+ kread(VM_NSWAP, &nswap, sizeof(nswap));
+ kread(VM_NSWDEV, &nswdev, sizeof(nswdev));
+ kread(VM_DMMAX, &dmmax, sizeof(dmmax));
+ kread(VM_SWAPLIST, &swaplist, sizeof(swaplist));
+ if ((sw = malloc(nswdev * sizeof(*sw))) == NULL ||
+ (perdev = malloc(nswdev * sizeof(*perdev))) == NULL)
+ err(1, "xperfmon++ malloc in get_swapspace");
+ kread(VM_SWDEVT, &ptr, sizeof(ptr));
+ kvm_read(kd, ptr, sw, nswdev * sizeof(*sw));
+ /* Count up swap space. */
+ nfree = 0;
+ memset(perdev, 0, nswdev * sizeof(*perdev));
+ while (swaplist) {
+ int top, bottom, next_block;
+ kvm_read(kd, (u_long)swaplist, &head, sizeof(struct rlist));
+ top = head.rl_end;
+ bottom = head.rl_start;
+
+ nfree += top - bottom + 1;
+
+ /*
+ * Swap space is split up among the configured disks.
+ *
+ * For interleaved swap devices, the first dmmax blocks
+ * of swap space some from the first disk, the next dmmax
+ * blocks from the next, and so on up to nswap blocks.
+ *
+ * The list of free space joins adjacent free blocks,
+ * ignoring device boundries. If we want to keep track
+ * of this information per device, we'll just have to
+ * extract it ourselves.
+ */
+ while (top / dmmax != bottom / dmmax) {
+ next_block = ((bottom + dmmax) / dmmax);
+ perdev[(bottom / dmmax) % nswdev] +=
+ next_block * dmmax - bottom;
+ bottom = next_block * dmmax;
+ }
+ perdev[(bottom / dmmax) % nswdev] +=
+ top - bottom + 1;
+
+ swaplist = head.rl_next;
+ }
+
+ header = getbsize(&hlen, &blocksize);
+ div = blocksize / 512;
+ avail = npfree = 0;
+ for (i = 0; i < nswdev; i++) {
+ int xsize, xfree;
+
+ /*
+ * Don't report statistics for partitions which have not
+ * yet been activated via swapon(8).
+ */
+ if (!(sw[i].sw_flags & SW_FREED))
+ continue;
+
+ /* The first dmmax is never allocated to avoid trashing of
+ * disklabels
+ */
+ xsize = sw[i].sw_nblks - dmmax;
+ xfree = perdev[i];
+ used = xsize - xfree;
+ npfree++;
+ avail += xsize;
+ }
+
+ /*
+ * If only one partition has been set up via swapon(8), we don't
+ * need to bother with totals.
+ */
+ used = avail - nfree;
+
+ free(perdev);
+ free(sw);
+ return((100*nfree)/avail); /* return free swap in percent */
+ }
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