2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Nathan Binkert
34 #include <mach/mach_init.h>
35 #include <mach/shared_region.h>
36 #include <mach/task.h>
40 #include "base/hostinfo.hh"
50 #include "base/logging.hh"
51 #include "base/str.hh"
52 #include "base/types.hh"
60 if (gethostname(host
, sizeof host
) == -1)
61 warn("could not get host name!");
68 static string hostname
= __get_hostname();
73 procInfo(const char *filename
, const char *target
)
80 FILE *fp
= fopen(filename
, "r");
82 while (fp
&& !feof(fp
) && !done
) {
83 if (fgets(line
, 80, fp
)) {
84 if (startswith(line
, target
)) {
85 snprintf(format
, sizeof(format
), "%s %%ld", target
);
86 sscanf(line
, format
, &usage
);
103 // For the Mach-based Darwin kernel, use the task_info of the self task
105 struct task_basic_info t_info
;
106 mach_msg_type_number_t t_info_count
= TASK_BASIC_INFO_COUNT
;
108 if (KERN_SUCCESS
!= task_info(mach_task_self(),
109 TASK_BASIC_INFO
, (task_info_t
)&t_info
,
114 // Mimic Darwin's implementation of top and subtract
115 // SHARED_REGION_SIZE from the tasks virtual size to account for the
116 // shared memory submap that is incorporated into every process.
117 return (t_info
.virtual_size
- SHARED_REGION_SIZE
) / 1024;
119 // Linux implementation
120 return procInfo("/proc/self/status", "VmSize:");