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/*
* Copyright © 2009 CNRS
* Copyright © 2009-2010 inria. All rights reserved.
* Copyright © 2009-2011 Université Bordeaux 1
* Copyright © 2009-2011 Cisco Systems, Inc. All rights reserved.
* See COPYING in top-level directory.
*/
#include <private/autogen/config.h>
#include <hwloc.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <assert.h>
extern void usage(const char *name, FILE *where);
static __hwloc_inline void
hwloc_utils_input_format_usage(FILE *where, int addspaces)
{
fprintf (where, " --input <XML file>\n");
fprintf (where, " -i <XML file> %*sRead topology from XML file <path>\n",
addspaces, " ");
#ifdef HWLOC_LINUX_SYS
fprintf (where, " --input <directory>\n");
fprintf (where, " -i <directory> %*sRead topology from chroot containing the /proc and /sys\n",
addspaces, " ");
fprintf (where, " %*sof another system\n",
addspaces, " ");
#endif
fprintf (where, " --input \"n:2 2\"\n");
fprintf (where, " -i \"n:2 2\" %*sSimulate a fake hierarchy, here with 2 NUMA nodes of 2\n",
addspaces, " ");
fprintf (where, " %*sprocessors\n",
addspaces, " ");
fprintf (where, " --input-format <format>\n");
fprintf (where, " --if <format> %*sEnforce input format among "
"xml, "
#ifdef HWLOC_LINUX_SYS
"fsroot, "
#endif
"synthetic\n",
addspaces, " ");
}
enum hwloc_utils_input_format {
HWLOC_UTILS_INPUT_DEFAULT,
HWLOC_UTILS_INPUT_XML,
HWLOC_UTILS_INPUT_FSROOT,
HWLOC_UTILS_INPUT_SYNTHETIC
};
static __hwloc_inline enum hwloc_utils_input_format
hwloc_utils_parse_input_format(const char *name, const char *callname)
{
if (!strncasecmp(name, "default", 3))
return HWLOC_UTILS_INPUT_DEFAULT;
else if (!strncasecmp(name, "xml", 1))
return HWLOC_UTILS_INPUT_XML;
else if (!strncasecmp(name, "fsroot", 1))
return HWLOC_UTILS_INPUT_FSROOT;
else if (!strncasecmp(name, "synthetic", 1))
return HWLOC_UTILS_INPUT_SYNTHETIC;
fprintf(stderr, "input format `%s' not supported\n", name);
usage(callname, stderr);
exit(EXIT_FAILURE);
}
static __hwloc_inline int
hwloc_utils_lookup_input_option(char *argv[], int argc, int *consumed_opts,
char **inputp, enum hwloc_utils_input_format *input_formatp,
const char *callname)
{
if (!strcmp (argv[0], "--input")
|| !strcmp (argv[0], "-i")) {
if (argc <= 1) {
usage (callname, stderr);
exit(EXIT_FAILURE);
}
if (strlen(argv[1]))
*inputp = argv[1];
else
*inputp = NULL;
*consumed_opts = 1;
return 1;
}
else if (!strcmp (argv[0], "--input-format")
|| !strcmp (argv[0], "--if")) {
if (argc <= 1) {
usage (callname, stderr);
exit(EXIT_FAILURE);
}
*input_formatp = hwloc_utils_parse_input_format (argv[1], callname);
*consumed_opts = 1;
return 1;
}
/* backward compat with 1.0 */
else if (!strcmp (argv[0], "--synthetic")) {
if (argc <= 1) {
usage (callname, stderr);
exit(EXIT_FAILURE);
}
*inputp = argv[1];
*input_formatp = HWLOC_UTILS_INPUT_SYNTHETIC;
*consumed_opts = 1;
return 1;
} else if (!strcmp (argv[0], "--xml")) {
if (argc <= 1) {
usage (callname, stderr);
exit(EXIT_FAILURE);
}
*inputp = argv[1];
*input_formatp = HWLOC_UTILS_INPUT_XML;
*consumed_opts = 1;
return 1;
} else if (!strcmp (argv[0], "--fsys-root")) {
if (argc <= 1) {
usage (callname, stderr);
exit(EXIT_FAILURE);
}
*inputp = argv[1];
*input_formatp = HWLOC_UTILS_INPUT_FSROOT;
*consumed_opts = 1;
return 1;
}
return 0;
}
static __hwloc_inline int
hwloc_utils_enable_input_format(struct hwloc_topology *topology,
const char *input,
enum hwloc_utils_input_format input_format,
int verbose, const char *callname)
{
if (input_format == HWLOC_UTILS_INPUT_DEFAULT) {
struct stat inputst;
int err;
err = stat(input, &inputst);
if (err < 0) {
if (verbose)
printf("assuming `%s' is a synthetic topology description\n", input);
input_format = HWLOC_UTILS_INPUT_SYNTHETIC;
} else if (S_ISDIR(inputst.st_mode)) {
if (verbose)
printf("assuming `%s' is a file-system root\n", input);
input_format = HWLOC_UTILS_INPUT_FSROOT;
} else if (S_ISREG(inputst.st_mode)) {
if (verbose)
printf("assuming `%s' is a XML file\n", input);
input_format = HWLOC_UTILS_INPUT_XML;
} else {
fprintf (stderr, "Unrecognized input file: %s\n", input);
usage (callname, stderr);
}
}
switch (input_format) {
case HWLOC_UTILS_INPUT_XML:
if (!strcmp(input, "-"))
input = "/dev/stdin";
if (hwloc_topology_set_xml(topology, input)) {
perror("Setting source XML file");
return EXIT_FAILURE;
}
break;
case HWLOC_UTILS_INPUT_FSROOT:
#ifdef HWLOC_LINUX_SYS
if (hwloc_topology_set_fsroot(topology, input)) {
perror("Setting source filesystem root");
return EXIT_FAILURE;
}
#else /* HWLOC_LINUX_SYS */
fprintf(stderr, "This installation of hwloc does not support changing the file-system root, sorry.\n");
exit(EXIT_FAILURE);
#endif /* HWLOC_LINUX_SYS */
break;
case HWLOC_UTILS_INPUT_SYNTHETIC:
if (hwloc_topology_set_synthetic(topology, input)) {
perror("Setting synthetic topology description");
return EXIT_FAILURE;
}
break;
case HWLOC_UTILS_INPUT_DEFAULT:
assert(0);
}
return 0;
}
static __hwloc_inline void
hwloc_utils_print_distance_matrix(hwloc_topology_t topology, hwloc_obj_t root, unsigned nbobjs, unsigned reldepth, float *matrix, int logical)
{
hwloc_obj_t objj, obji;
unsigned i, j;
/* column header */
printf(" index");
for(j=0, objj=NULL; j<nbobjs; j++) {
objj = hwloc_get_next_obj_inside_cpuset_by_depth(topology, root->cpuset, root->depth+reldepth, objj);
printf(" % 5d",
(int) (logical ? objj->logical_index : objj->os_index));
}
printf("\n");
/* each line */
for(i=0, obji=NULL; i<nbobjs; i++) {
obji = hwloc_get_next_obj_inside_cpuset_by_depth(topology, root->cpuset, root->depth+reldepth, obji);
/* row header */
printf(" % 5d",
(int) (logical ? obji->logical_index : obji->os_index));
/* row values */
for(j=0, objj=NULL; j<nbobjs; j++) {
objj = hwloc_get_next_obj_inside_cpuset_by_depth(topology, root->cpuset, root->depth+reldepth, objj);
for(j=0; j<nbobjs; j++)
printf(" %2.3f", matrix[i*nbobjs+j]);
printf("\n");
}
}
}
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