1#!/usr/sbin/dtrace -s 2/* 3 * mmapfiles.d - mmap'd files by process. 4 * Written using DTrace (Solaris 10 3/05). 5 * 6 * 20-Apr-2006, ver 0.71 (first release) 7 * 8 * USAGE: mmapfiles.d # hit Ctrl-C to end sample 9 * 10 * FIELDS: 11 * MMAPS number of mmaps 12 * CMD process name 13 * PATHNAME pathname of mmap'd file 14 * 15 * COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg. 16 * 17 * CDDL HEADER START 18 * 19 * The contents of this file are subject to the terms of the 20 * Common Development and Distribution License, Version 1.0 only 21 * (the "License"). You may not use this file except in compliance 22 * with the License. 23 * 24 * You can obtain a copy of the license at Docs/cddl1.txt 25 * or http://www.opensolaris.org/os/licensing. 26 * See the License for the specific language governing permissions 27 * and limitations under the License. 28 * 29 * CDDL HEADER END 30 * 31 * 18-Oct-2005 Brendan Gregg Created this. 32 */ 33 34#pragma D option quiet 35 36dtrace:::BEGIN 37{ 38 printf("Tracing... Hit Ctrl-C to end.\n"); 39} 40 41syscall::mmap:entry 42/(int)arg4 > 0/ 43{ 44 /* 45 * Fetch filename 46 */ 47 this->filistp = curthread->t_procp->p_user.u_finfo.fi_list; 48 this->ufentryp = (uf_entry_t *)((uint64_t)this->filistp + 49 (uint64_t)arg4 * (uint64_t)sizeof (uf_entry_t)); 50 this->filep = this->ufentryp->uf_file; 51 this->vnodep = this->filep != 0 ? this->filep->f_vnode : 0; 52 self->vpath = this->vnodep ? (this->vnodep->v_path != 0 ? 53 cleanpath(this->vnodep->v_path) : "<unknown>") : "<unknown>"; 54 55 /* Store Details */ 56 @hits[execname, self->vpath] = count(); 57} 58 59dtrace:::END 60{ 61 /* Print Details */ 62 printf("%5s %-16s %s\n", "MMAPS", "CMD", "PATHNAME"); 63 printa("%@5d %-16s %s\n", @hits); 64} 65