diff options
Diffstat (limited to 'indra/llcommon')
-rw-r--r-- | indra/llcommon/CMakeLists.txt | 3 | ||||
-rw-r--r-- | indra/llcommon/llprocinfo.cpp | 94 | ||||
-rw-r--r-- | indra/llcommon/llprocinfo.h | 68 | ||||
-rw-r--r-- | indra/llcommon/tests/llprocinfo_test.cpp | 91 |
4 files changed, 256 insertions, 0 deletions
diff --git a/indra/llcommon/CMakeLists.txt b/indra/llcommon/CMakeLists.txt index 7ed4137065..86f18a20d6 100644 --- a/indra/llcommon/CMakeLists.txt +++ b/indra/llcommon/CMakeLists.txt @@ -79,6 +79,7 @@ set(llcommon_SOURCE_FILES llptrto.cpp llprocess.cpp llprocessor.cpp + llprocinfo.cpp llqueuedthread.cpp llrand.cpp llrefcount.cpp @@ -207,6 +208,7 @@ set(llcommon_HEADER_FILES llpriqueuemap.h llprocess.h llprocessor.h + llprocinfo.h llptrskiplist.h llptrskipmap.h llptrto.h @@ -331,6 +333,7 @@ if (LL_TESTS) LL_ADD_INTEGRATION_TEST(llinstancetracker "" "${test_libs}") LL_ADD_INTEGRATION_TEST(lllazy "" "${test_libs}") LL_ADD_INTEGRATION_TEST(llprocessor "" "${test_libs}") + LL_ADD_INTEGRATION_TEST(llprocinfo "" "${test_libs}") LL_ADD_INTEGRATION_TEST(llrand "" "${test_libs}") LL_ADD_INTEGRATION_TEST(llsdserialize "" "${test_libs}") LL_ADD_INTEGRATION_TEST(llsingleton "" "${test_libs}") 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 +} + + diff --git a/indra/llcommon/llprocinfo.h b/indra/llcommon/llprocinfo.h new file mode 100644 index 0000000000..e78bcf490a --- /dev/null +++ b/indra/llcommon/llprocinfo.h @@ -0,0 +1,68 @@ +/** +* @file llprocinfo.h +* @brief Interface to process/cpu/resource information services. +* @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 +* $/LicenseInfo$ +*/ + +#ifndef LL_PROCINFO_H +#define LL_PROCINFO_H + + +#include "linden_common.h" + +/// @file llprocinfo.h +/// +/// Right now, this is really a namespace disguised as a class. +/// It wraps some types and functions to return information about +/// process resource consumption in a non-OS-specific manner. +/// +/// Threading: No instances so that's thread-safe. Implementations +/// of static functions should be thread-safe, they mostly involve +/// direct syscall invocations. +/// +/// Allocation: Not instantiatable. + +class LL_COMMON_API LLProcInfo +{ +public: + /// Public types + + typedef U64 time_type; /// Relative microseconds + +private: + LLProcInfo(); // Not defined + ~LLProcInfo(); // Not defined + LLProcInfo(const LLProcInfo &); // Not defined + void operator=(const LLProcInfo &); // Not defined + +public: + /// Get accumulated system and user CPU time in + /// microseconds. Syscalls involved in every invocation. + /// + /// Threading: expected to be safe. + static void getCPUUsage(time_type & user_time, time_type & system_time); +}; + + +#endif // LL_PROCINFO_H diff --git a/indra/llcommon/tests/llprocinfo_test.cpp b/indra/llcommon/tests/llprocinfo_test.cpp new file mode 100644 index 0000000000..0a4210dc07 --- /dev/null +++ b/indra/llcommon/tests/llprocinfo_test.cpp @@ -0,0 +1,91 @@ +/** + * @file llprocinfo_test.cpp + * @brief Tests for the LLProcInfo class. + * + * $LicenseInfo:firstyear=2013&license=viewerlgpl$ + * 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 "linden_common.h" + +#include "../llprocinfo.h" + +#include "../test/lltut.h" +#include "../lltimer.h" + + +static const LLProcInfo::time_type bad_user(289375U), bad_system(275U); + + +namespace tut +{ + +struct procinfo_test +{ + procinfo_test() + { + } +}; + +typedef test_group<procinfo_test> procinfo_group_t; +typedef procinfo_group_t::object procinfo_object_t; +tut::procinfo_group_t procinfo_instance("LLProcInfo"); + + +// Basic invocation works +template<> template<> +void procinfo_object_t::test<1>() +{ + LLProcInfo::time_type user(bad_user), system(bad_system); + + set_test_name("getCPUUsage() basic function"); + + LLProcInfo::getCPUUsage(user, system); + + ensure_not_equals("getCPUUsage() writes to its user argument", user, bad_user); + ensure_not_equals("getCPUUsage() writes to its system argument", system, bad_system); +} + + +// Time increases +template<> template<> +void procinfo_object_t::test<2>() +{ + LLProcInfo::time_type user(bad_user), system(bad_system); + LLProcInfo::time_type user2(bad_user), system2(bad_system); + + set_test_name("getCPUUsage() increases over time"); + + LLProcInfo::getCPUUsage(user, system); + + for (int i(0); i < 100000; ++i) + { + ms_sleep(0); + } + + LLProcInfo::getCPUUsage(user2, system2); + + ensure_equals("getCPUUsage() user value increases over time", user2 > user, true); + ensure_equals("getCPUUsage() system value increases over time", system2 > system, true); +} + + +} // end namespace tut |