龙芯通用性能测试方法

SPECCPU2000是由标准性能评价机构“TheStandardPerformanceEvaluation影响最终的测试结果，而I/O（磁盘）SPECCPU2000非常小。目前，SPECCPU2000是业界首选的CPU评测工具。求、应答（request/reponse）模式。netperfread,write,re-read,re-write,readbackwards,readstrided,fread,fwrite,randomread,pread,mmap,aio_read,aio_writeiozone已经被移植到许多平台和操作系统。x11perf5

JavaSpecJVM（Benchmark）1.1取得root权限。测试脚本：mem_test.sh50次执行”./stressapptest–s100M800（此处做过修改同43A不一样）”。 xxx为板卡的SN号5)root输入命令：chmod75512CPUSPECCPU2000SPECCPU2000是由标准性能评价机构“TheStandardPerformanceEvaluation的影响非常小。目前，SPECCPU2000是业界首选的CPU评测工具。14个测试项目..runspec-ctest.cfg-iref-n3-I次数等于或大于3，即n>=3；参数，程序运行过程出现错误时，SPECCPU2000将停止测试；二、运行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glxgears，注意测试此项时，需要exportvblank_mode=0性能。可以测试read,write,re-read,re-writereadbackwards,readstrided,fread,fwrite,randomreadpread,mmap,aio_read,aio_write目前iozone已经被移植到许多平台和操作系统。7.5.2解包:tarxvfcd./iozone-a-Rb前路径下生成输出结果iozone.xls，在终端执行下列命令：./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式和请求/应答（request/reponse）模式。netperftar–jxvfcdnetperf-./configure&&make&&make别安装netperf。-----oProfile（L2cachemiss）的发生次数，当达到器(performacecounter)。样，帮助我们从进程、函数、代码层面找出占用cpu的"罪魁祸首"。1OProfile23APerformanceCounter（3A4​​7OProfile是Linuxprofiling将使需要根据下面的内容，实现oprofile的kernel驱动。具体patch可以参考龙芯3A的kernel源码中的patch3（两组）性能计数器，他们分别映射到CP024号的sel0，sel1，sel2和sel3。龙芯3号在复位时，为PerfCnt寄存器的两个控制寄存器赋的初始值分别为：PerfCnt，select0=0xc0000000PerfCnt，select21表2描述计数使能位的定义。表3和表4描述计数器0和计数器1各自的事23计数器04计数器1从CPU_MIPS_LOONGSON3,/*<ICTLOONGSON3中，)增加龙芯的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安装：make卸载命令：make编译命令为：./configure–with-kernel-support–disable-werrormakemakeopcontrol–list-events列举支持的计数器事件opcontrolinit初始化oprofileoprofileopcontrol–setup设置剖析项opcontrolstart启动使用opcontrolrootsudoopcontrol--resetopcontrol--initopcontrol--no-vmlinux--opcontrol--setup--separate=library--event=UNCACHED_ACCESS:500:0opcontrol--startopcontrol--opreportl/bin/ls>ls.log把采样数据定向到logoprofile官方网站JavaSpecJVM（Benchmark）SpecJVM2008Java在龙芯3A上运行一次要4个多小时。龙芯移植的OpenJDKPC机上的JDKSE6Java6432适用于