From efe252383a18309d36b9097092f5877d027bcb4d Mon Sep 17 00:00:00 2001 From: wollman Date: Sun, 16 Oct 1994 04:04:56 +0000 Subject: New way of getting disk drive names. --- usr.bin/vmstat/names.c | 47 ++++++------------------ usr.bin/vmstat/vmstat.c | 95 ++++++++++++++++++++++++++++++++++++++----------- 2 files changed, 84 insertions(+), 58 deletions(-) (limited to 'usr.bin/vmstat') diff --git a/usr.bin/vmstat/names.c b/usr.bin/vmstat/names.c index 603be7d..0613859 100644 --- a/usr.bin/vmstat/names.c +++ b/usr.bin/vmstat/names.c @@ -44,51 +44,24 @@ char *defdrives[] = { 0 }; */ #include -char *defdrives[] = { "fd0", "fd1", "wd0", "wd1", "sd0", "sd1", 0 }; +char *defdrives[] = { "wd0", "wd1", "sd0", "sd1" }; int read_names() { - register char *p; - register u_long isa_bio; - static char buf[BUFSIZ]; - struct isa_device dev; - struct isa_driver drv; - char name[10]; - int i = 0; - int dummydk = 0; - int fdunit = 0; - int wdunit = 0; - int ahaunit = 0; + u_long dk_names; + static char thenames[DK_NDRIVE][DK_NAMELEN]; + int i; - isa_bio = namelist[X_ISA_BIO].n_value; - if (isa_bio == 0) { - (void) fprintf(stderr, - "vmstat: disk init info not in namelist\n"); + dk_names = namelist[X_DK_NAMES].n_value; + if (dk_names == 0) { + warnx("disk name info not in namelist"); return(0); } - p = buf; - for (;; isa_bio += sizeof dev) { - (void)kvm_read(kd, isa_bio, &dev, sizeof dev); - if (dev.id_driver == 0) - break; - if (dev.id_alive == 0) - continue; - (void)kvm_read(kd, (u_long)dev.id_driver, &drv, sizeof drv); - (void)kvm_read(kd, (u_long)drv.name, name, sizeof name); - - /* - * XXX FreeBSD is kinda brain dead about dk_units, or at least - * I can't figure out how to get the real unit mappings - */ - if (strcmp(name, "fd") == 0) dummydk = fdunit++; - if (strcmp(name, "wd") == 0) dummydk = wdunit++; - if (strcmp(name, "aha") == 0) dummydk = ahaunit++; - - dr_name[i] = p; - p += sprintf(p, "%s%d", name, dummydk) + 1; - i++; + kvm_read(kd, dk_names, thenames, sizeof thenames); + for(i = 0; thenames[i][0]; i++) { + dr_name[i] = thenames[i]; } return(1); } diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c index 11911b7..0dbff81 100644 --- a/usr.bin/vmstat/vmstat.c +++ b/usr.bin/vmstat/vmstat.c @@ -66,6 +66,7 @@ static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93"; #include #include +#define NEWVM /* XXX till old has been updated or purged */ struct nlist namelist[] = { #define X_CPTIME 0 { "_cp_time" }, @@ -115,8 +116,8 @@ struct nlist namelist[] = { { "_hp_dinit" }, #endif #if defined(i386) -#define X_ISA_BIO (X_END) - { "_isa_devtab_bio" }, +#define X_DK_NAMES (X_END) + { "_dk_names" }, #endif #ifdef mips #define X_SCSI_DINIT (X_END) @@ -425,13 +426,26 @@ dovmstat(interval, reps) #define rate(x) (((x) + halfuptime) / uptime) /* round */ (void)printf("%6ld%6ld ", pgtok(total.t_avm), pgtok(total.t_free)); - (void)printf("%4lu ", rate(sum.v_vm_faults - osum.v_vm_faults)); +#ifdef NEWVM + (void)printf("%4lu ", rate(sum.v_faults - osum.v_faults)); (void)printf("%3lu ", rate(sum.v_reactivated - osum.v_reactivated)); - (void)printf("%3lu ", rate(sum.v_swapin + sum.v_vnodein - - (osum.v_swapin + osum.v_vnodein))); - (void)printf("%3lu %3lu ", rate(sum.v_swapout + sum.v_vnodeout - - (osum.v_swapout + osum.v_vnodeout)), 0); + (void)printf("%3lu ", rate(sum.v_pageins - osum.v_pageins)); + (void)printf("%3lu %3lu ", + rate(sum.v_pageouts - osum.v_pageouts), 0); +#else + (void)printf("%3lu %2lu ", + rate(sum.v_pgrec - (sum.v_xsfrec+sum.v_xifrec) - + (osum.v_pgrec - (osum.v_xsfrec+osum.v_xifrec))), + rate(sum.v_xsfrec + sum.v_xifrec - + osum.v_xsfrec - osum.v_xifrec)); + (void)printf("%3lu ", + rate(pgtok(sum.v_pgpgin - osum.v_pgpgin))); + (void)printf("%3lu %3lu ", + rate(pgtok(sum.v_pgpgout - osum.v_pgpgout)), + rate(pgtok(sum.v_dfree - osum.v_dfree))); + (void)printf("%3d ", pgtok(deficit)); +#endif (void)printf("%3lu ", rate(sum.v_scan - osum.v_scan)); dkstats(); (void)printf("%4lu %4lu %3lu ", @@ -449,10 +463,7 @@ dovmstat(interval, reps) * We round upward to avoid losing low-frequency events * (i.e., >= 1 per interval but < 1 per second). */ - if (interval != 1) - halfuptime = (uptime + 1) / 2; - else - halfuptime = 0; + halfuptime = (uptime + 1) / 2; (void)sleep(interval); } } @@ -467,7 +478,11 @@ printhdr() ndrives * 3 - 6, ""); else (void)printf("%*s faults cpu\n", ndrives * 3, ""); +#ifndef NEWVM + (void)printf(" r b w avm fre re at pi po fr de sr "); +#else (void)printf(" r b w avm fre flt re pi po fr sr "); +#endif for (i = 0; i < dk_ndrive; i++) if (dr_select[i]) (void)printf("%c%c ", dr_name[i][0], @@ -527,6 +542,9 @@ void dosum() { struct nchstats nchstats; +#ifndef NEWVM + struct xstats xstats; +#endif long nchtotal; #if defined(tahoe) struct keystats keystats; @@ -541,20 +559,22 @@ dosum() #endif (void)printf("%9u traps\n", sum.v_trap); (void)printf("%9u system calls\n", sum.v_syscall); - (void)printf("%9u swap pager pageins\n", sum.v_swapin); - (void)printf("%9u swap pager pageouts\n", sum.v_swapout); - (void)printf("%9u swap pager pages paged in\n", sum.v_swappgsin); - (void)printf("%9u swap pager pages paged out\n", sum.v_swappgsout); - (void)printf("%9u vnode pager pageins\n", sum.v_vnodein); - (void)printf("%9u vnode pager pageouts\n", sum.v_vnodeout); - (void)printf("%9u vnode pager pages paged in\n", sum.v_vnodepgsin); - (void)printf("%9u vnode pager pages paged out\n", sum.v_vnodepgsout); + (void)printf("%9u total faults taken\n", sum.v_faults); + (void)printf("%9u swap ins\n", sum.v_swpin); + (void)printf("%9u swap outs\n", sum.v_swpout); + (void)printf("%9u pages swapped in\n", sum.v_pswpin / CLSIZE); + (void)printf("%9u pages swapped out\n", sum.v_pswpout / CLSIZE); + (void)printf("%9u page ins\n", sum.v_pageins); + (void)printf("%9u page outs\n", sum.v_pageouts); + (void)printf("%9u pages paged in\n", sum.v_pgpgin); + (void)printf("%9u pages paged out\n", sum.v_pgpgout); (void)printf("%9u pages reactivated\n", sum.v_reactivated); (void)printf("%9u intransit blocking page faults\n", sum.v_intrans); - (void)printf("%9u zero fill pages created\n", sum.v_nzfod); - (void)printf("%9u zero fill page faults\n", sum.v_zfod); + (void)printf("%9u zero fill pages created\n", sum.v_nzfod / CLSIZE); + (void)printf("%9u zero fill page faults\n", sum.v_zfod / CLSIZE); (void)printf("%9u pages examined by the clock daemon\n", sum.v_scan); (void)printf("%9u revolutions of the clock hand\n", sum.v_rev); +#ifdef NEWVM (void)printf("%9u VM object cache lookups\n", sum.v_lookups); (void)printf("%9u VM object hits\n", sum.v_hits); (void)printf("%9u total VM faults taken\n", sum.v_vm_faults); @@ -566,6 +586,24 @@ dosum() (void)printf("%9u pages active\n", sum.v_active_count); (void)printf("%9u pages inactive\n", sum.v_inactive_count); (void)printf("%9u bytes per page\n", sum.v_page_size); +#else + (void)printf("%9u sequential process pages freed\n", sum.v_seqfree); + (void)printf("%9u total reclaims (%d%% fast)\n", sum.v_pgrec, + PCT(sum.v_fastpgrec, sum.v_pgrec)); + (void)printf("%9u reclaims from free list\n", sum.v_pgfrec); + (void)printf("%9u executable fill pages created\n", + sum.v_nexfod / CLSIZE); + (void)printf("%9u executable fill page faults\n", + sum.v_exfod / CLSIZE); + (void)printf("%9u swap text pages found in free list\n", + sum.v_xsfrec); + (void)printf("%9u inode text pages found in free list\n", + sum.v_xifrec); + (void)printf("%9u file fill pages created\n", sum.v_nvrfod / CLSIZE); + (void)printf("%9u file fill page faults\n", sum.v_vrfod / CLSIZE); + (void)printf("%9u pages freed by the clock daemon\n", + sum.v_dfree / CLSIZE); +#endif kread(X_NCHSTATS, &nchstats, sizeof(nchstats)); nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits + nchstats.ncs_badhits + nchstats.ncs_falsehits + @@ -580,6 +618,16 @@ dosum() PCT(nchstats.ncs_badhits, nchtotal), PCT(nchstats.ncs_falsehits, nchtotal), PCT(nchstats.ncs_long, nchtotal)); +#ifndef NEWVM + kread(X_XSTATS, &xstats, sizeof(xstats)); + (void)printf("%9lu total calls to xalloc (cache hits %d%%)\n", + xstats.alloc, PCT(xstats.alloc_cachehit, xstats.alloc)); + (void)printf("%9s sticky %lu flushed %lu unused %lu\n", "", + xstats.alloc_inuse, xstats.alloc_cacheflush, xstats.alloc_unused); + (void)printf("%9lu total calls to xfree", xstats.free); + (void)printf(" (sticky %lu cached %lu swapped %lu)\n", + xstats.free_inuse, xstats.free_cache, xstats.free_cacheswap); +#endif #if defined(tahoe) kread(X_CKEYSTATS, &keystats, sizeof(keystats)); (void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n", @@ -828,7 +876,12 @@ void usage() { (void)fprintf(stderr, +#ifndef NEWVM + "usage: vmstat [-fimst] [-c count] [-M core] \ +[-N system] [-w wait] [disks]\n"); +#else "usage: vmstat [-ims] [-c count] [-M core] \ [-N system] [-w wait] [disks]\n"); +#endif exit(1); } -- cgit v1.1