1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Copyright © 2013-2020 Inria. All rights reserved.
* See COPYING in top-level directory.
*/
#include "private/autogen/config.h"
#include "hwloc.h"
#include "hwloc/diff.h"
#include "misc.h"
void usage(const char *callname __hwloc_attribute_unused, FILE *where)
{
fprintf(where, "Usage: hwloc-diff [options] <old.xml> <new.xml> [<output.diff.xml>]\n");
fprintf(where, "Options:\n");
fprintf(where, " --refname <name> Change the XML reference identifier to <name> in the output\n");
fprintf(where, " (default is the filename of the first topology\n");
fprintf(where, " --version Report version and exit\n");
}
int main(int argc, char *argv[])
{
hwloc_topology_t topo1, topo2;
hwloc_topology_diff_t firstdiff = NULL, diff;
unsigned long flags = HWLOC_TOPOLOGY_FLAG_INCLUDE_DISALLOWED | HWLOC_TOPOLOGY_FLAG_IMPORT_SUPPORT;
char *callname, *input1, *input2, *output, *outputname, *refname = NULL;
char *xmlbuffer;
int xmlbuflen;
unsigned i, j;
int err;
callname = argv[0];
/* skip argv[0], handle options */
argc--;
argv++;
hwloc_utils_check_api_version(callname);
if (!getenv("HWLOC_XML_VERBOSE"))
putenv((char *) "HWLOC_XML_VERBOSE=1");
while (argc && *argv[0] == '-') {
if (!strcmp (argv[0], "--refname")) {
if (argc < 2) {
usage(callname, stderr);
exit(EXIT_FAILURE);
}
refname = argv[1];
argc--;
argv++;
} else if (!strcmp (argv[0], "--version")) {
printf("%s %s\n", callname, HWLOC_VERSION);
exit(EXIT_SUCCESS);
} else if (!strcmp (argv[0], "-h") || !strcmp (argv[0], "--help")) {
usage(callname, stdout);
exit(EXIT_SUCCESS);
} else {
fprintf(stderr, "Unrecognized options: %s\n", argv[0]);
usage(callname, stderr);
exit(EXIT_FAILURE);
}
argc--;
argv++;
}
if (argc < 2) {
usage(callname, stderr);
exit(EXIT_FAILURE);
}
input1 = argv[0];
input2 = argv[1];
argc -= 2;
argv += 2;
if (argc >= 1) {
output = argv[0];
outputname = argv[0];
argc--;
argv++;
} else {
output = NULL;
outputname = (char *) "stdout";
}
hwloc_topology_init(&topo1);
hwloc_topology_set_all_types_filter(topo1, HWLOC_TYPE_FILTER_KEEP_ALL);
hwloc_topology_set_flags(topo1, flags);
err = hwloc_topology_set_xml(topo1, input1);
if (err < 0) {
fprintf(stderr, "Failed to load 1st XML topology %s\n", input1);
goto out_with_topo1;
}
err = hwloc_topology_load(topo1);
if (err < 0) {
fprintf(stderr, "Failed to load 1st topology %s\n", input1);
goto out_with_topo1;
}
hwloc_topology_init(&topo2);
hwloc_topology_set_all_types_filter(topo2, HWLOC_TYPE_FILTER_KEEP_ALL);
hwloc_topology_set_flags(topo2, flags);
err = hwloc_topology_set_xml(topo2, input2);
if (err < 0) {
fprintf(stderr, "Failed to load 2nd XML topology %s\n", input2);
goto out_with_topo2;
}
err = hwloc_topology_load(topo2);
if (err < 0) {
fprintf(stderr, "Failed to load 2nd topology %s\n", input2);
goto out_with_topo2;
}
if (!refname) {
refname = strrchr(input1, '/');
if (refname)
refname++;
else
refname = input1;
}
err = hwloc_topology_diff_build(topo1, topo2, 0, &firstdiff);
if (err < 0) {
fprintf(stderr, "Failed to compute the diff (%s)\n", strerror(errno));
goto out_with_topo2;
}
diff = firstdiff;
i = 0, j = 0;
while (diff) {
i++;
if (diff->generic.type == HWLOC_TOPOLOGY_DIFF_TOO_COMPLEX)
j++;
diff = diff->generic.next;
}
if (!i) {
fprintf(stderr, "Found no difference, exporting empty topology diff to %s\n", outputname);
} else if (!j) {
fprintf(stderr, "Found %u differences, exporting to %s\n", i, outputname);
} else {
fprintf(stderr, "Found %u differences, including %u too complex ones.\n", i, j);
fprintf(stderr, "Cannot export differences to %s\n", outputname);
}
if (!j) {
if (output) {
err = hwloc_topology_diff_export_xml(firstdiff, refname, output);
} else {
err = hwloc_topology_diff_export_xmlbuffer(firstdiff, refname, &xmlbuffer, &xmlbuflen);
if (!err) {
printf("%s\n", xmlbuffer);
hwloc_free_xmlbuffer(topo1, xmlbuffer);
}
}
if (err < 0)
fprintf(stderr, "Failed to export topology diff %s\n", output);
}
hwloc_topology_diff_destroy(firstdiff);
hwloc_topology_destroy(topo2);
hwloc_topology_destroy(topo1);
if (j)
exit(EXIT_FAILURE);
else
exit(EXIT_SUCCESS);
out_with_topo2:
hwloc_topology_destroy(topo2);
out_with_topo1:
hwloc_topology_destroy(topo1);
exit(EXIT_FAILURE);
}
|
