From dd500fb1fdafac0c93efe0e26a553faf150d53a9 Mon Sep 17 00:00:00 2001 From: "Mark Palange (Mani)" Date: Thu, 7 Jan 2010 16:15:51 -0800 Subject: EXT-3780 Rewrote windows processor detection to support cpuid brandstring, and x64. Refactored the CProcessor class into LLProcessorInfo. Reviewed by brad --- indra/llcommon/llsys.cpp | 26 ++++++++------------------ 1 file changed, 8 insertions(+), 18 deletions(-) (limited to 'indra/llcommon/llsys.cpp') diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp index 0272c55db2..fc3ce52aa8 100644 --- a/indra/llcommon/llsys.cpp +++ b/indra/llcommon/llsys.cpp @@ -513,18 +513,17 @@ U32 LLOSInfo::getProcessResidentSizeKB() LLCPUInfo::LLCPUInfo() { std::ostringstream out; - CProcessor proc; - const ProcessorInfo* info = proc.GetCPUInfo(); + LLProcessorInfo proc; // proc.WriteInfoTextFile("procInfo.txt"); - mHasSSE = info->_Ext.SSE_StreamingSIMD_Extensions; - mHasSSE2 = info->_Ext.SSE2_StreamingSIMD2_Extensions; - mHasAltivec = info->_Ext.Altivec_Extensions; - mCPUMhz = (S32)(proc.GetCPUFrequency(50)/1000000.0); - mFamily.assign( info->strFamily ); + mHasSSE = proc.hasSSE(); + mHasSSE2 = proc.hasSSE2(); + mHasAltivec = proc.hasAltivec(); + mCPUMhz = (S32)(proc.getCPUFrequency()/1000000.0); + mFamily = proc.getCPUFamilyName(); mCPUString = "Unknown"; #if LL_WINDOWS || LL_DARWIN || LL_SOLARIS - out << proc.strCPUName; + out << proc.getCPUBrandName(); if (200 < mCPUMhz && mCPUMhz < 10000) // *NOTE: cpu speed is often way wrong, do a sanity check { out << " (" << mCPUMhz << " MHz)"; @@ -609,16 +608,7 @@ void LLCPUInfo::stream(std::ostream& s) const { #if LL_WINDOWS || LL_DARWIN || LL_SOLARIS // gather machine information. - char proc_buf[CPUINFO_BUFFER_SIZE]; /* Flawfinder: ignore */ - CProcessor proc; - if(proc.CPUInfoToText(proc_buf, CPUINFO_BUFFER_SIZE)) - { - s << proc_buf; - } - else - { - s << "Unable to collect processor information" << std::endl; - } + s << LLProcessorInfo().getCPUFeatureDescription(); #else // *NOTE: This works on linux. What will it do on other systems? LLFILE* cpuinfo = LLFile::fopen(CPUINFO_FILE, "rb"); -- cgit v1.2.3 From 0db04cbb67d5420f98cc2090fdcca6bba948527b Mon Sep 17 00:00:00 2001 From: "Mark Palange (Mani)" Date: Tue, 11 May 2010 16:27:50 -0700 Subject: EXT-3780 WIP Adding newline to linux getCPUFeatureDesc output --- indra/llcommon/llsys.cpp | 74 ++---------------------------------------------- 1 file changed, 2 insertions(+), 72 deletions(-) (limited to 'indra/llcommon/llsys.cpp') diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp index d38fc1b013..86f2736d5a 100644 --- a/indra/llcommon/llsys.cpp +++ b/indra/llcommon/llsys.cpp @@ -58,7 +58,6 @@ # include # include const char MEMINFO_FILE[] = "/proc/meminfo"; -const char CPUINFO_FILE[] = "/proc/cpuinfo"; #elif LL_SOLARIS # include # include @@ -518,65 +517,16 @@ LLCPUInfo::LLCPUInfo() mHasSSE = proc.hasSSE(); mHasSSE2 = proc.hasSSE2(); mHasAltivec = proc.hasAltivec(); - mCPUMhz = (F64)(proc.getCPUFrequency()/1000000.0); + mCPUMHz = (F64)(proc.getCPUFrequency()/1000000.0); mFamily = proc.getCPUFamilyName(); mCPUString = "Unknown"; -#if LL_WINDOWS || LL_DARWIN || LL_SOLARIS out << proc.getCPUBrandName(); if (200 < mCPUMHz && mCPUMHz < 10000) // *NOTE: cpu speed is often way wrong, do a sanity check { out << " (" << mCPUMHz << " MHz)"; } mCPUString = out.str(); - -#elif LL_LINUX - std::map< std::string, std::string > cpuinfo; - LLFILE* cpuinfo_fp = LLFile::fopen(CPUINFO_FILE, "rb"); - if(cpuinfo_fp) - { - char line[MAX_STRING]; - memset(line, 0, MAX_STRING); - while(fgets(line, MAX_STRING, cpuinfo_fp)) - { - // /proc/cpuinfo on Linux looks like: - // name\t*: value\n - char* tabspot = strchr( line, '\t' ); - if (tabspot == NULL) - continue; - char* colspot = strchr( tabspot, ':' ); - if (colspot == NULL) - continue; - char* spacespot = strchr( colspot, ' ' ); - if (spacespot == NULL) - continue; - char* nlspot = strchr( line, '\n' ); - if (nlspot == NULL) - nlspot = line + strlen( line ); // Fallback to terminating NUL - std::string linename( line, tabspot ); - std::string llinename(linename); - LLStringUtil::toLower(llinename); - std::string lineval( spacespot + 1, nlspot ); - cpuinfo[ llinename ] = lineval; - } - fclose(cpuinfo_fp); - } -# if LL_X86 - std::string flags = " " + cpuinfo["flags"] + " "; - LLStringUtil::toLower(flags); - mHasSSE = ( flags.find( " sse " ) != std::string::npos ); - mHasSSE2 = ( flags.find( " sse2 " ) != std::string::npos ); - - F64 mhz; - if (LLStringUtil::convertToF64(cpuinfo["cpu mhz"], mhz) - && 200.0 < mhz && mhz < 10000.0) - { - mCPUMHz = (F64)(mhz); - } - if (!cpuinfo["model name"].empty()) - mCPUString = cpuinfo["model name"]; -# endif // LL_X86 -#endif // LL_LINUX } bool LLCPUInfo::hasAltivec() const @@ -606,29 +556,9 @@ std::string LLCPUInfo::getCPUString() const void LLCPUInfo::stream(std::ostream& s) const { -#if LL_WINDOWS || LL_DARWIN || LL_SOLARIS // gather machine information. s << LLProcessorInfo().getCPUFeatureDescription(); -#else - // *NOTE: This works on linux. What will it do on other systems? - LLFILE* cpuinfo = LLFile::fopen(CPUINFO_FILE, "rb"); - if(cpuinfo) - { - char line[MAX_STRING]; - memset(line, 0, MAX_STRING); - while(fgets(line, MAX_STRING, cpuinfo)) - { - line[strlen(line)-1] = ' '; - s << line; - } - fclose(cpuinfo); - s << std::endl; - } - else - { - s << "Unable to collect processor information" << std::endl; - } -#endif + // These are interesting as they reflect our internal view of the // CPU's attributes regardless of platform s << "->mHasSSE: " << (U32)mHasSSE << std::endl; -- cgit v1.2.3 From 71f39136795609700a6eb46aad7b0f1397a860d0 Mon Sep 17 00:00:00 2001 From: "palange@pdp47.lindenlab.com" Date: Wed, 2 Jun 2010 15:24:59 -0700 Subject: EXT-3780 FIX Fixed CPU MHz to be MHz on all platforms. --- indra/llcommon/llsys.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'indra/llcommon/llsys.cpp') diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp index 86f2736d5a..d41d0c8a3f 100644 --- a/indra/llcommon/llsys.cpp +++ b/indra/llcommon/llsys.cpp @@ -517,7 +517,7 @@ LLCPUInfo::LLCPUInfo() mHasSSE = proc.hasSSE(); mHasSSE2 = proc.hasSSE2(); mHasAltivec = proc.hasAltivec(); - mCPUMHz = (F64)(proc.getCPUFrequency()/1000000.0); + mCPUMHz = (F64)proc.getCPUFrequency(); mFamily = proc.getCPUFamilyName(); mCPUString = "Unknown"; -- cgit v1.2.3