diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Mem/vmstat-p.d')
| -rwxr-xr-x | cddl/contrib/dtracetoolkit/Mem/vmstat-p.d | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Mem/vmstat-p.d b/cddl/contrib/dtracetoolkit/Mem/vmstat-p.d new file mode 100755 index 000000000000..835a0a6931ba --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Mem/vmstat-p.d @@ -0,0 +1,155 @@ +#!/usr/sbin/dtrace -s +/* + * vmstat-p.d - vmstat -p demo in DTrace. + * Written using DTrace (Solaris 10 3/05). + * + * This has been written to demonstrate fetching similar data as vmstat + * from DTrace. This program is intended as a starting point for other + * DTrace scripts, by beginning with familiar statistics. + * + * $Id: vmstat-p.d 3 2007-08-01 10:50:08Z brendan $ + * + * USAGE: vmstat-p.d + * + * FIELDS: + * swap virtual memory free Kbytes + * free free RAM Kbytes + * re page reclaims Kbytes + * mf minor faults Kbytes + * sr scan rate pages + * epi executable page ins Kbytes + * epo executable page outs Kbytes + * epf executable frees Kbytes + * api anonymous page ins Kbytes + * apo anonymous page outs Kbytes + * apf anonymous frees Kbytes + * fpi filesystem page ins Kbytes + * fpo filesystem page outs Kbytes + * fpf filesystem frees Kbytes + * + * NOTES: + * Most of the statistics are in units of kilobytes, unlike the + * original vmstat command which sometimes uses page counts. + * As this program does not use Kstat, there is no summary since + * boot line. Free RAM is both free free + cache free. + * + * SEE ALSO: vmstat(1M) + * + * COPYRIGHT: Copyright (c) 2005 Brendan Gregg. + * + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at Docs/cddl1.txt + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * CDDL HEADER END + * + * 11-Jun-2005 Brendan Gregg Created this. + * 08-Jan-2006 " " Last update. + */ + +#pragma D option quiet + +inline int SCREEN = 21; + +/* + * Initialise variables + */ +dtrace:::BEGIN +{ + pi = 0; po = 0; re = 0; sr = 0; mf = 0; fr = 0; + sy = 0; in = 0; cs = 0; maj = 0; cow = 0; pro = 0; + epi = 0; epo = 0; epf = 0; api = 0; apo = 0; apf = 0; + fpi = 0; fpo = 0; fpf = 0; + lines = SCREEN + 1; +} + +/* + * Print header + */ +dtrace:::BEGIN, +tick-1sec +/lines++ > SCREEN/ +{ + printf("%14s %13s %16s %14s %13s\n", + "memory", "page", "executable", "anonymous", "filesystem"); + printf("%9s %7s %5s %4s %3s ", + "swap", "free", "re", "mf", "sr"); + printf("%4s %4s %4s %4s %4s %4s %4s %4s %4s\n", + "epi", "epo", "epf", "api", "apo", "apf", "fpi", "fpo", "fpf"); + lines = 0; +} + +/* + * Probe events + */ +vminfo:::pgrec { re += arg0; } +vminfo:::scan { sr += arg0; } +vminfo:::as_fault { mf += arg0; } +vminfo:::execpgin { epi += arg0; } +vminfo:::execpgout { epo += arg0; } +vminfo:::execfree { epf += arg0; } +vminfo:::anonpgin { api += arg0; } +vminfo:::anonpgout { apo += arg0; } +vminfo:::anonfree { apf += arg0; } +vminfo:::fspgin { fpi += arg0; } +vminfo:::fspgout { fpo += arg0; } +vminfo:::fsfree { fpf += arg0; } + +/* + * Print output line + */ +profile:::tick-1sec +{ + /* fetch free mem */ + this->free = `freemem; + + /* + * fetch free swap + * + * free swap is described in /usr/include/vm/anon.h as, + * MAX(ani_max - ani_resv, 0) + (availrmem - swapfs_minfree) + */ + this->ani_max = `k_anoninfo.ani_max; + this->ani_resv = `k_anoninfo.ani_phys_resv + `k_anoninfo.ani_mem_resv; + this->swap = (this->ani_max - this->ani_resv > 0 ? + this->ani_max - this->ani_resv : 0) + `availrmem - `swapfs_minfree; + + /* fetch w */ + this->w = `nswapped; + + /* convert to Kbytes */ + epi *= `_pagesize / 1024; + epo *= `_pagesize / 1024; + epf *= `_pagesize / 1024; + api *= `_pagesize / 1024; + apo *= `_pagesize / 1024; + apf *= `_pagesize / 1024; + fpi *= `_pagesize / 1024; + fpo *= `_pagesize / 1024; + fpf *= `_pagesize / 1024; + re *= `_pagesize / 1024; + sr *= `_pagesize / 1024; + mf *= `_pagesize / 1024; + this->swap *= `_pagesize / 1024; + this->free *= `_pagesize / 1024; + + /* print line */ + printf("%9d %7d %5d %4d %3d ", + this->swap, this->free, re, mf, sr); + printf("%4d %4d %4d %4d %4d %4d %4d %4d %4d\n", + epi, epo, epf, api, apo, apf, fpi, fpo, fpf); + + /* clear counters */ + pi = 0; po = 0; re = 0; sr = 0; mf = 0; fr = 0; + sy = 0; in = 0; cs = 0; maj = 0; cow = 0; pro = 0; + epi = 0; epo = 0; epf = 0; api = 0; apo = 0; apf = 0; + fpi = 0; fpo = 0; fpf = 0; +} |