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Diffstat (limited to 'indra/llcommon/llprocinfo.cpp')
| -rw-r--r-- | indra/llcommon/llprocinfo.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/indra/llcommon/llprocinfo.cpp b/indra/llcommon/llprocinfo.cpp new file mode 100644 index 0000000000..c00f979b0b --- /dev/null +++ b/indra/llcommon/llprocinfo.cpp @@ -0,0 +1,94 @@ +/** +* @file llprocinfo.cpp +* @brief Process, cpu and resource usage information APIs. +* @author monty@lindenlab.com +* +* $LicenseInfo:firstyear=2013&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2013, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library 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 +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +*/ + + +#include "llprocinfo.h" + +#if LL_WINDOWS + +#define PSAPI_VERSION 1 +#include "windows.h" +#include "psapi.h" + +#elif LL_DARWIN + +#include <sys/resource.h> +#include <mach/mach.h> + +#else + +#include <sys/time.h> +#include <sys/resource.h> + +#endif // LL_WINDOWS/LL_DARWIN + + +// static +void LLProcInfo::getCPUUsage(time_type & user_time, time_type & system_time) +{ +#if LL_WINDOWS + + HANDLE self(GetCurrentProcess()); // Does not have to be closed + FILETIME ft_dummy, ft_system, ft_user; + + GetProcessTimes(self, &ft_dummy, &ft_dummy, &ft_system, &ft_user); + ULARGE_INTEGER uli; + uli.u.LowPart = ft_system.dwLowDateTime; + uli.u.HighPart = ft_system.dwHighDateTime; + system_time = uli.QuadPart / U64L(10); // Convert to uS + uli.u.LowPart = ft_user.dwLowDateTime; + uli.u.HighPart = ft_user.dwHighDateTime; + user_time = uli.QuadPart / U64L(10); + +#elif LL_DARWIN + + struct rusage usage; + + if (getrusage(RUSAGE_SELF, &usage)) + { + user_time = system_time = time_type(0U); + return; + } + user_time = U64(usage.ru_utime.tv_sec) * U64L(1000000) + usage.ru_utime.tv_usec; + system_time = U64(usage.ru_stime.tv_sec) * U64L(1000000) + usage.ru_stime.tv_usec; + +#else // Linux + + struct rusage usage; + + if (getrusage(RUSAGE_SELF, &usage)) + { + user_time = system_time = time_type(0U); + return; + } + user_time = U64(usage.ru_utime.tv_sec) * U64L(1000000) + usage.ru_utime.tv_usec; + system_time = U64(usage.ru_stime.tv_sec) * U64L(1000000) + usage.ru_stime.tv_usec; + +#endif // LL_WINDOWS/LL_DARWIN/Linux +} + + |