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Diffstat (limited to 'framework/src/suricata/src/util-cpu.c')
| -rw-r--r-- | framework/src/suricata/src/util-cpu.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/framework/src/suricata/src/util-cpu.c b/framework/src/suricata/src/util-cpu.c deleted file mode 100644 index f8f748bc..00000000 --- a/framework/src/suricata/src/util-cpu.c +++ /dev/null @@ -1,231 +0,0 @@ -/* Copyright (C) 2007-2013 Open Information Security Foundation - * - * You can copy, redistribute or modify this Program under the terms of - * the GNU General Public License version 2 as published by the Free - * Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -/** - * \file - * - * \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com> - * - * Retrieve CPU information (configured CPUs, online CPUs) - */ - -#include "util-error.h" -#include "util-debug.h" -#include "suricata-common.h" - -/** - * Ok, if they should use sysconf, check that they have the macro's - * (syscalls) defined; - * - * Note: For windows it's different; Check the following: - * SYSTEM_INFO info; - * GetSystemInfo(&info); - * -> info.dwNumberOfProcessors; - */ -#ifdef _SC_NPROCESSORS_CONF -#define SYSCONF_NPROCESSORS_CONF_COMPAT -#endif - -#ifdef _SC_NPROCESSORS_ONLN -#define SYSCONF_NPROCESSORS_ONLN_COMPAT -#endif - -/* This one is available on Solaris 10 */ -#ifdef _SC_NPROCESSORS_MAX -#define SYSCONF_NPROCESSORS_MAX_COMPAT -#endif - -/** - * \brief Get the number of cpus configured in the system - * \retval 0 if the syscall is not available or we have an error; - * otherwise it will return the number of cpus configured - */ -uint16_t UtilCpuGetNumProcessorsConfigured() -{ -#ifdef SYSCONF_NPROCESSORS_CONF_COMPAT - long nprocs = -1; - nprocs = sysconf(_SC_NPROCESSORS_CONF); - if (nprocs < 1) { - SCLogError(SC_ERR_SYSCALL, "Couldn't retrieve the number of cpus " - "configured (%s)", strerror(errno)); - return 0; - } - - if (nprocs > UINT16_MAX) { - SCLogDebug("It seems that there are more than %"PRIu16" CPUs " - "configured on this system. You can modify util-cpu.{c,h} " - "to use uint32_t to support it", UINT16_MAX); - return UINT16_MAX; - } - - return (uint16_t)nprocs; -#elif OS_WIN32 - long nprocs = -1; - const char* envvar = getenv("NUMBER_OF_PROCESSORS"); - nprocs = (NULL != envvar) ? atoi(envvar) : 0; - if (nprocs < 1) { - SCLogError(SC_ERR_SYSCALL, "Couldn't retrieve the number of cpus " - "configured from the NUMBER_OF_PROCESSORS environment variable"); - return 0; - } - return (uint16_t)nprocs; -#else - SCLogError(SC_ERR_SYSCONF, "Couldn't retrieve the number of cpus " - "configured, sysconf macro unavailable"); - return 0; -#endif -} - -/** - * \brief Get the number of cpus online in the system - * \retval 0 if the syscall is not available or we have an error; - * otherwise it will return the number of cpus online - */ -uint16_t UtilCpuGetNumProcessorsOnline() -{ -#ifdef SYSCONF_NPROCESSORS_ONLN_COMPAT - long nprocs = -1; - nprocs = sysconf(_SC_NPROCESSORS_ONLN); - if (nprocs < 1) { - SCLogError(SC_ERR_SYSCALL, "Couldn't retrieve the number of cpus " - "online (%s)", strerror(errno)); - return 0; - } - - if (nprocs > UINT16_MAX) { - SCLogDebug("It seems that there are more than %"PRIu16" CPUs online. " - "You can modify util-cpu.{c,h} to use uint32_t to " - "support it", UINT16_MAX); - return UINT16_MAX; - } - - return nprocs; -#elif OS_WIN32 - return UtilCpuGetNumProcessorsConfigured(); -#else - SCLogError(SC_ERR_SYSCONF, "Couldn't retrieve the number of cpus online, " - "synconf macro unavailable"); - return 0; -#endif -} - -/** - * \brief Get the maximum number of cpus allowed in the system - * This syscall is present on Solaris, but it's not on linux - * or macosx. Maybe you should look at UtilCpuGetNumProcessorsConfigured() - * \retval 0 if the syscall is not available or we have an error; - * otherwise it will return the number of cpus allowed - */ -uint16_t UtilCpuGetNumProcessorsMax() -{ -#ifdef SYSCONF_NPROCESSORS_MAX_COMPAT - long nprocs = -1; - nprocs = sysconf(_SC_NPROCESSORS_MAX); - if (nprocs < 1) { - SCLogError(SC_ERR_SYSCALL, "Couldn't retrieve the maximum number of cpus " - "allowed by the system (%s)", strerror(errno)); - return 0; - } - - if (nprocs > UINT16_MAX) { - SCLogDebug("It seems that the system support more that %"PRIu16" CPUs. You " - "can modify util-cpu.{c,h} to use uint32_t to support it", UINT16_MAX); - return UINT16_MAX; - } - - return (uint16_t)nprocs; -#else - SCLogError(SC_ERR_SYSCONF, "Couldn't retrieve the maximum number of cpus allowed by " - "the system, synconf macro unavailable"); - return 0; -#endif -} - -/** - * \brief Print a summary of CPUs detected (configured and online) - */ -void UtilCpuPrintSummary() -{ - uint16_t cpus_conf = UtilCpuGetNumProcessorsConfigured(); - uint16_t cpus_online = UtilCpuGetNumProcessorsOnline(); - - SCLogDebug("CPUs Summary: "); - if (cpus_conf > 0) - SCLogDebug("CPUs configured: %"PRIu16, cpus_conf); - if (cpus_online > 0) - SCLogInfo("CPUs/cores online: %"PRIu16, cpus_online); - if (cpus_online == 0 && cpus_conf == 0) - SCLogInfo("Couldn't retireve any information of CPU's, please, send your operating " - "system info and check util-cpu.{c,h}"); -} - -/** - * Get the current number of ticks from the CPU. - * - * \todo We'll have to deal with removig ticks from the extra cpuids inbetween - * 2 calls. - */ -#if defined(__tile__) -#include <arch/cycle.h> -uint64_t UtilCpuGetTicks(void) -{ - return get_cycle_count(); -} -#else -uint64_t UtilCpuGetTicks(void) -{ - uint64_t val; -#if defined(__GNUC__) && (defined(__x86_64) || defined(_X86_64_) || defined(ia_64) || defined(__i386__)) -#if defined(__x86_64) || defined(_X86_64_) || defined(ia_64) - __asm__ __volatile__ ( - "xorl %%eax,%%eax\n\t" - "cpuid\n\t" - ::: "%rax", "%rbx", "%rcx", "%rdx"); -#else - __asm__ __volatile__ ( - "xorl %%eax,%%eax\n\t" - "pushl %%ebx\n\t" - "cpuid\n\t" - "popl %%ebx\n\t" - ::: "%eax", "%ecx", "%edx"); -#endif - uint32_t a, d; - __asm__ __volatile__ ("rdtsc" : "=a" (a), "=d" (d)); - val = ((uint64_t)a) | (((uint64_t)d) << 32); -#if defined(__x86_64) || defined(_X86_64_) || defined(ia_64) - __asm__ __volatile__ ( - "xorl %%eax,%%eax\n\t" - "cpuid\n\t" - ::: "%rax", "%rbx", "%rcx", "%rdx"); -#else - __asm__ __volatile__ ( - "xorl %%eax,%%eax\n\t" - "pushl %%ebx\n\t" - "cpuid\n\t" - "popl %%ebx\n\t" - ::: "%eax", "%ecx", "%edx"); -#endif - -#else /* #if defined(__GNU__) */ -#warning Using inferior version of UtilCpuGetTicks - struct timeval now; - gettimeofday(&now, NULL); - val = (now.tv_sec * 1000000) + now.tv_usec; -#endif - return val; -} -#endif /* __tile__ */ |