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Add Solaris implementation of intel_get_total_swap_mb()

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Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Alan Coopersmith 2012-01-23 20:13:49 -08:00 committed by Daniel Vetter
parent 5c4e041dc8
commit fbae138990
2 changed files with 62 additions and 1 deletions
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1
configure.ac
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@ -41,6 +41,7 @@ AC_CHECK_HEADERS([termios.h])
AC_CHECK_MEMBERS([struct sysinfo.totalram],[],[],[AC_INCLUDES_DEFAULT
#include <sys/sysinfo.h>
])
AC_CHECK_FUNCS([swapctl])
# Initialize libtool
AC_DISABLE_STATIC

62
lib/intel_drm.c
View File

@ -1,5 +1,6 @@
/*
* Copyright © 2008 Intel Corporation
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -40,6 +41,8 @@
#include <sys/mman.h>
#ifdef HAVE_STRUCT_SYSINFO_TOTALRAM
#include <sys/sysinfo.h>
#elif defined(HAVE_SWAPCTL) /* Solaris */
#include <sys/swap.h>
#endif
#include "intel_gpu_tools.h"
@ -99,7 +102,7 @@ intel_get_total_ram_mb(void)
pagesize = sysconf(_SC_PAGESIZE);
npages = sysconf(_SC_PHYS_PAGES);
retval = pagesize * npages;
retval = (uint64_t) pagesize * npages;
#else
#error "Unknown how to get RAM size for this OS"
#endif
@ -121,9 +124,66 @@ intel_get_total_swap_mb(void)
retval = sysinf.totalswap;
retval *= sysinf.mem_unit;
#elif defined(HAVE_SWAPCTL) /* Solaris */
long pagesize = sysconf(_SC_PAGESIZE);
uint64_t totalpages = 0;
swaptbl_t *swt;
char *buf;
int n, i;
if ((n = swapctl(SC_GETNSWP, NULL)) == -1) {
perror("swapctl: GETNSWP");
return 0;
}
if (n == 0) {
/* no error, but no swap devices either */
return 0;
}
swt = malloc(sizeof(struct swaptable) + (n * sizeof(swapent_t)));
buf = malloc(n * MAXPATHLEN);
if (!swt || !buf) {
perror("malloc");
} else {
swt->swt_n = n;
for (i = 0 ; i < n; i++) {
swt->swt_ent[i].ste_path = buf + (i * MAXPATHLEN);
}
if ((n = swapctl(SC_LIST, swt)) == -1) {
perror("swapctl: LIST");
} else {
for (i = 0; i < swt->swt_n; i++) {
totalpages += swt->swt_ent[i].ste_pages;
}
}
}
free(swt);
free(buf);
retval = (uint64_t) pagesize * totalpages;
#else
#error "Unknown how to get swap size for this OS"
#endif
return retval / (1024*1024);
}
/*
* When testing a port to a new platform, create a standalone test binary
* by running:
* cc -o porttest intel_drm.c -I.. -DSTANDALONE_TEST `pkg-config --cflags libdrm`
* and then running the resulting porttest program.
*/
#ifdef STANDALONE_TEST
void *mmio;
int main(int argc, char **argv)
{
printf("Total RAM: %" PRIu64 " Mb\n", intel_get_total_ram_mb());
printf("Total Swap: %" PRIu64 " Mb\n", intel_get_total_swap_mb());
return 0;
}
#endif /* STANDALONE_TEST */