龍芯通用性能測(cè)試方法

SPECCPU2000是由標(biāo)準(zhǔn)性能評(píng)價(jià)機(jī)構(gòu)“TheStandardPerformanceEvaluation影響最終的測(cè)試結(jié)果，而I/O（磁盤）SPECCPU2000非常小。目前，SPECCPU2000是業(yè)界首選的CPU評(píng)測(cè)工具。求、應(yīng)答（request/reponse）模式。netperfread,write,re-read,re-write,readbackwards,readstrided,fread,fwrite,randomread,pread,mmap,aio_read,aio_writeiozone已經(jīng)被移植到許多平臺(tái)和操作系統(tǒng)。x11perf5

JavaSpecJVM（Benchmark）1.1取得root權(quán)限。測(cè)試腳本：mem_test.sh50次執(zhí)行”./stressapptest–s100M800（此處做過(guò)修改同43A不一樣）”。 xxx為板卡的SN號(hào)5)root輸入命令：chmod75512CPUSPECCPU2000SPECCPU2000是由標(biāo)準(zhǔn)性能評(píng)價(jià)機(jī)構(gòu)“TheStandardPerformanceEvaluation的影響非常小。目前，SPECCPU2000是業(yè)界首選的CPU評(píng)測(cè)工具。14個(gè)測(cè)試項(xiàng)目..runspec-ctest.cfg-iref-n3-I次數(shù)等于或大于3，即n>=3；參數(shù)，程序運(yùn)行過(guò)程出現(xiàn)錯(cuò)誤時(shí)，SPECCPU2000將停止測(cè)試；二、運(yùn)行x11perf-$x11perf-x11perf-X11performanceprogram,versionTheX.OrgFoundationserverversion10402000on:0.0fromLoongTueSep416:08:15Synctimeadjustmentis0.130430000000reps@0.0002msec(4990000.0/sec):Dot30000000reps@0.0002msec(4980000.0/sec):Dot30000000reps@0.0002msec(4980000.0/sec):Dot30000000reps@0.0002msec(4990000.0/sec):Dot30000000reps@0.0002msec(4990000.0/sec):Dot150000000trep@0.0002msec(4990000.0/sec):Dotx11perf-x11perf-x11perf-x11perf-x11perf-x11perf-目前主要有g(shù)lxgears，注意測(cè)試此項(xiàng)時(shí)，需要exportvblank_mode=0性能?？梢詼y(cè)試read,write,re-read,re-writereadbackwards,readstrided,fread,fwrite,randomreadpread,mmap,aio_read,aio_write目前iozone已經(jīng)被移植到許多平臺(tái)和操作系統(tǒng)。7.5.2解包:tarxvfcd./iozone-a-Rb前路徑下生成輸出結(jié)果iozone.xls，在終端執(zhí)行下列命令：./iozone-a-n64m-g1G-i0-i1-Rb./iozone-a-s16g-Rb./iozone-a-n1g-g4g-i0-i1-f/mnt/iozone-Rb./iozone-a-y64k-s16g-Rbnetperf式和請(qǐng)求/應(yīng)答（request/reponse）模式。netperftar–jxvfcdnetperf-./configure&&make&&make別安裝netperf。-----oProfile（L2cachemiss）的發(fā)生次數(shù)，當(dāng)達(dá)到器(performacecounter)。樣，幫助我們從進(jìn)程、函數(shù)、代碼層面找出占用cpu的"罪魁禍?zhǔn)?。1OProfile23APerformanceCounter（3A4??7OProfile是Linuxprofiling將使需要根據(jù)下面的內(nèi)容，實(shí)現(xiàn)oprofile的kernel驅(qū)動(dòng)。具體patch可以參考龍芯3A的kernel源碼中的patch3（兩組）性能計(jì)數(shù)器，他們分別映射到CP024號(hào)的sel0，sel1，sel2和sel3。龍芯3號(hào)在復(fù)位時(shí)，為PerfCnt寄存器的兩個(gè)控制寄存器賦的初始值分別為：PerfCnt，select0=0xc0000000PerfCnt，select21表2描述計(jì)數(shù)使能位的定義。表3和表4描述計(jì)數(shù)器0和計(jì)數(shù)器1各自的事23計(jì)數(shù)器04計(jì)數(shù)器1從CPU_MIPS_LOONGSON3,/*<ICTLOONGSON3中，)增加龍芯的casedescr->name="CPU_CLK_UNHALTED";/*MIPSLOONGSON3if(sscanf(line,"BogoMIPS:%lf",&fval)1){fval=fval*3/}utils/Ophelper.cmainswitchcpu_type3的caseevent:0x00counters:0um:zerominimum:10000name:CPU_CLK_UNHALTED:Cyclesoutsideofevent:0x01counters:0um:zerominimum:5000name:BRANCH_INSTRUCTIONS:Branchevent:0x02counters:0um:zerominimum:400name:JUMP_INSTRUCTIONS:JRinstructionsevent:0x03counters:0um:zerominimum:500name:JR31_INSTRUCTIONS:JR(rs=31)instructionsevent:0x04counters:0um:zerominimum:500name:ICACHE_MISSES:Instructioncachemissesevent:0x05counters:0um:zerominimum:500name:ALU1_ISSUED:ALU1operationissuedevent:0x06counters:0um:zerominimum:8000name:MEM_ISSUED:Memoryread/writeissuedevent:0x07counters:0um:zerominimum:300name:FALU1_ISSUED:FloatALU1operationissuedevent:0x08counters:0um:zerominimum:200name:BHT_BRANCH_INSTRUCTIONS:BHTpredictioninstructionsevent:0x09counters:0um:zerominimum:200name:MEM_READ:Readfromprimarymemoryevent:0x0acounters:0um:zerominimum:300name:FQUEUE_FULL:Fixqueuefullevent:0x0bcounters:0um:zerominimum:300name:ROQ_FULL:Reorderqueuefullevent:0x0ccounters:0um:zerominimum:300name:CP0_QUEUE_FULL:CP0queuefullevent:0x0dcounters:0um:zerominimum:300name:TLB_REFILL:TLBrefillexceptionevent:0x0ecounters:0um:zerominimum:5name:EXCEPTION:Exceptionsevent:0x0fcounters:0um:zerominimum:300name:INTERNAL_EXCEPTION:Internalexceptionsevent:0x10counters:1um:zerominimum:5000name:INSTRUCTION_COMMITTED:Instructionevent:0x11counters:1um:zerominimum:500name:BRANCHES_MISPREDICTED:Branchevent:0x12counters:1um:zerominimum:200name:JR_MISPREDICTED:JRmispredictedevent:0x13counters:1um:zerominimum:200name:JR31_MISPREDICTED:JR31mispredictedevent:0x14counters:1um:zerominimum:500name:DCACHE_MISSES:Datacachemissesevent:0x15counters:1um:zerominimum:500name:ALU2_ISSUED:ALU2operationissuedevent:0x16counters:1um:zerominimum:500name:FALU2_ISSUED:FALU2operationissuedevent:0x17counters:1um:zerominimum:500name:UNCACHED_ACCESS:Uncachedaccessesevent:0x18counters:1um:zerominimum:500name:BHT_MISPREDICTED:Branchhistorytableevent:0x19counters:1um:zerominimum:5000name:MEM_WRITE:Writetomemoryevent:0x1acounters:1um:zerominimum:500name:FTQ_FULL:Floatqueuefullevent:0x1bcounters:1um:zerominimum:500name:BRANCH_QUEUE_FULL:Branchqueuefullevent:0x1ccounters:1um:zerominimum:500name:ITLB_MISSES:InstructionTLBmissesevent:0x1dcounters:1um:zerominimum:500name:TOTAL_EXCEPTIONS:Totalexceptionsevent:0x1ecounters:1um:zerominimum:500name:LOAD_SPECULATION_MISSES:Loadspeculationmissesevent:0x1fcounters:1um:zerominimum:500name:CP0Q_FORWARD_VALID:CP0queueforwardLOONGSON3possibleunitname:zerotype:mandatorydefault:0x00x0Nounitmasksudogedit首先修改configurechmodxconfigure配置：./configure--with-kernel-support--disable-werror安裝：make卸載命令：make編譯命令為：./configure–with-kernel-support–disable-werrormakemakeopcontrol–list-events列舉支持的計(jì)數(shù)器事件opcontrolinit初始化oprofileoprofileopcontrol–setup設(shè)置剖析項(xiàng)opcontrolstart啟動(dòng)使用opcontrolrootsudoopcontrol--resetopcontrol--initopcontrol--no-vmlinux--opcontrol--setup--separate=library--event=UNCACHED_ACCESS:500:0opcontrol--startopcontrol--opreportl/bin/ls>ls.log把采樣數(shù)據(jù)定向到logoprofile官方網(wǎng)站JavaSpecJVM（Benchmark）SpecJVM2008Java在龍芯3A上運(yùn)行一次要4個(gè)多小時(shí)。龍芯移植的OpenJDKPC機(jī)上的JDKSE6Java6432適用于