diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Mem/swapinfo.d')
| -rwxr-xr-x | cddl/contrib/dtracetoolkit/Mem/swapinfo.d | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Mem/swapinfo.d b/cddl/contrib/dtracetoolkit/Mem/swapinfo.d new file mode 100755 index 0000000..045cd72 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Mem/swapinfo.d @@ -0,0 +1,149 @@ +#!/usr/sbin/dtrace -s +/* + * swapinfo.d - print virtual memory info (swap). + * Written using DTrace (Solaris 10 3/05) + * + * Prints swap usage details for RAM and disk based swap. + * This script is UNDER CONSTRUCTION, check for newer versions. + * + * $Id: swapinfo.d 3 2007-08-01 10:50:08Z brendan $ + * + * USAGE: swapinfo.d (check for newer versions) + * + * FIELDS: + * RAM Total Total RAM installed + * RAM Unusable RAM consumed by the OBP and TSBs + * RAM Kernel Kernel resident in RAM (and usually locked) + * RAM Locked Locked memory pages from swap (Anon) + * RAM Used anon + exec + file pages used + * RAM Free free memory + page cache free + * Disk Total Total disk swap configured + * Disk Resv Disk swap allocated + reserved + * Disk Avail Disk swap available for reservation + * Swap Total Total Virtual Memory usable + * Swap Resv VM allocated + reserved + * Swap Avail VM available for reservation + * Swap MinFree VM kept free from reservations + * + * SEE ALSO: swapinfo - K9Toolkit, http://www.brendangregg.com/k9toolkit.html + * vmstat 1 2; swap -s; echo ::memstat | mdb -k + * RMCmem - The MemTool Package + * RICHPse - The SE Toolkit + * "Clearing up swap space confusion" Unix Insider, Adrian Cockcroft + * "Solaris Internals", Jim Mauro, Richard McDougall + * /usr/include/vm/anon.h, /usr/include/sys/systm.h + * + * COPYRIGHT: Copyright (c) 2005, 2006 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 + * + * Author: Brendan Gregg [Sydney, Australia] + * + * 11-Jun-2005 Brendan Gregg Created this. + * 24-Apr-2006 " " Improved disk measurements; changed terms. + * 24-Apr-2006 " " Last update. + */ + +#pragma D option quiet +#pragma D option bufsize=16k + +inline int DEBUG = 0; + +dtrace:::BEGIN +{ + /* Debug stats */ + this->ani_max = `k_anoninfo.ani_max; + this->ani_phys_resv = `k_anoninfo.ani_phys_resv; + this->ani_mem_resv = `k_anoninfo.ani_mem_resv; + this->ani_locked = `k_anoninfo.ani_locked_swap; + this->availrmem = `availrmem; + + /* RAM stats */ + this->ram_total = `physinstalled; + this->unusable = `physinstalled - `physmem; + this->locked = `pages_locked; + this->ram_used = `availrmem - `freemem; + this->freemem = `freemem; + this->kernel = `physmem - `pages_locked - `availrmem; + + /* Disk stats */ + this->disk_total = `k_anoninfo.ani_max; + this->disk_resv = `k_anoninfo.ani_phys_resv; + this->disk_avail = this->disk_total - this->disk_resv; + + /* Total Swap stats */ + this->minfree = `swapfs_minfree; + this->reserve = `swapfs_reserve; + /* this is TOTAL_AVAILABLE_SWAP from /usr/include/vm/anon.h, */ + this->swap_total = `k_anoninfo.ani_max + + (`availrmem - `swapfs_minfree > 0 ? + `availrmem - `swapfs_minfree : 0); + /* this is CURRENT_TOTAL_AVAILABLE_SWAP from /usr/include/vm/anon.h, */ + this->swap_avail = `k_anoninfo.ani_max - `k_anoninfo.ani_phys_resv + + (`availrmem - `swapfs_minfree > 0 ? + `availrmem - `swapfs_minfree : 0); + this->swap_resv = this->swap_total - this->swap_avail; + + /* Convert to Mbytes */ + this->ani_phys_resv *= `_pagesize; this->ani_phys_resv /= 1048576; + this->ani_mem_resv *= `_pagesize; this->ani_mem_resv /= 1048576; + this->ani_locked *= `_pagesize; this->ani_locked /= 1048576; + this->ani_max *= `_pagesize; this->ani_max /= 1048576; + this->availrmem *= `_pagesize; this->availrmem /= 1048576; + this->ram_total *= `_pagesize; this->ram_total /= 1048576; + this->unusable *= `_pagesize; this->unusable /= 1048576; + this->kernel *= `_pagesize; this->kernel /= 1048576; + this->locked *= `_pagesize; this->locked /= 1048576; + this->ram_used *= `_pagesize; this->ram_used /= 1048576; + this->freemem *= `_pagesize; this->freemem /= 1048576; + this->disk_total *= `_pagesize; this->disk_total /= 1048576; + this->disk_resv *= `_pagesize; this->disk_resv /= 1048576; + this->disk_avail *= `_pagesize; this->disk_avail /= 1048576; + this->swap_total *= `_pagesize; this->swap_total /= 1048576; + this->swap_avail *= `_pagesize; this->swap_avail /= 1048576; + this->swap_resv *= `_pagesize; this->swap_resv /= 1048576; + this->minfree *= `_pagesize; this->minfree /= 1048576; + this->reserve *= `_pagesize; this->reserve /= 1048576; + + /* Print debug */ + DEBUG ? printf("DEBUG availrmem %5d MB\n", this->availrmem) : 1; + DEBUG ? printf("DEBUG freemem %5d MB\n", this->freemem) : 1; + DEBUG ? printf("DEBUG ani_max %5d MB\n", this->ani_max) : 1; + DEBUG ? printf("DEBUG ani_phys_re %5d MB\n", this->ani_phys_resv) : 1; + DEBUG ? printf("DEBUG ani_mem_re %5d MB\n", this->ani_mem_resv) : 1; + DEBUG ? printf("DEBUG ani_locked %5d MB\n", this->ani_locked) : 1; + DEBUG ? printf("DEBUG reserve %5d MB\n", this->reserve) : 1; + DEBUG ? printf("\n") : 1; + + /* Print report */ + printf("RAM _______Total %5d MB\n", this->ram_total); + printf("RAM Unusable %5d MB\n", this->unusable); + printf("RAM Kernel %5d MB\n", this->kernel); + printf("RAM Locked %5d MB\n", this->locked); + printf("RAM Used %5d MB\n", this->ram_used); + printf("RAM Free %5d MB\n", this->freemem); + printf("\n"); + printf("Disk _______Total %5d MB\n", this->disk_total); + printf("Disk Resv %5d MB\n", this->disk_resv); + printf("Disk Avail %5d MB\n", this->disk_avail); + printf("\n"); + printf("Swap _______Total %5d MB\n", this->swap_total); + printf("Swap Resv %5d MB\n", this->swap_resv); + printf("Swap Avail %5d MB\n", this->swap_avail); + printf("Swap (Minfree) %5d MB\n", this->minfree); + + DEBUG ? printf("\nNow run other commands for confirmation.\n") : 1; + ! DEBUG ? exit(0) : 1; +} |
