Hi all, I am trying to run PageRank application in GAP Benchmark with full system simulation. I followed the following npb tutorial: https://gem5art.readthedocs.io/en/latest/tutorials/npb-tutorial.html. and changed the necessary files to make my application work but I am getting a KVM error that I have not seen before. Does anyone have any idea about solving it? I could not find anything online.
Here is the simerr file content: warn: DRAM device capacity (32768 Mbytes) does not match the address range assigned (128 Mbytes) info: kernel located at: linux-stable/vmlinux-4.19.83 warn: Sockets disabled, not accepting terminal connections warn: Sockets disabled, not accepting gdb connections warn: CoherentXBar system.cpu.mmucache.mmubus has no snooping ports attached! warn: Reading current count from inactive timer. info: KVM: Coalesced MMIO disabled by config. warn: x86 cpuid family 0x0000: unimplemented function 2 warn: x86 cpuid family 0x0000: unimplemented function 3 warn: x86 cpuid family 0x0000: unimplemented function 4 warn: x86 cpuid family 0x0000: unimplemented function 5 warn: x86 cpuid family 0x0000: unimplemented function 6 info: Entering event queue @ 0. Starting simulation... *panic: PerfKvmCounter::attach recieved error EACCESS This error may be caused by a too restrictive setting in the file '/proc/sys/kernel/perf_event_paranoid' The default value was changed to 2 in kernel 4.6 A value greater than 1 prevents gem5 from making the syscall to perf_event_open* Memory Usage: 4532020 KBytes Program aborted at tick 0 --- BEGIN LIBC BACKTRACE --- gem5/build/X86/gem5.opt(_Z15print_backtracev+0x2c)[0x559fcda3ae0c] gem5/build/X86/gem5.opt(_Z12abortHandleri+0x4a)[0x559fcda4d07a] /lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7fa31b84b890] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7fa31a059e97] /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7fa31a05b801] gem5/build/X86/gem5.opt(+0x51e42f)[0x559fcca7f42f] gem5/build/X86/gem5.opt(_ZN14PerfKvmCounter6attachER20PerfKvmCounterConfigii+0x127)[0x559fcd981a47] gem5/build/X86/gem5.opt(_ZN10BaseKvmCPU13setupCountersEv+0xcc)[0x559fcd9753ac] gem5/build/X86/gem5.opt(_ZN10BaseKvmCPU13startupThreadEv+0x57)[0x559fcd9767c7] gem5/build/X86/gem5.opt(_ZN10EventQueue10serviceOneEv+0xd9)[0x559fcda43019] gem5/build/X86/gem5.opt(_Z9doSimLoopP10EventQueue+0x87)[0x559fcda63917] gem5/build/X86/gem5.opt(+0x1502c4f)[0x559fcda63c4f] /usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0xbd66f)[0x7fa31aa7f66f] /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)[0x7fa31b8406db] /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7fa31a13c88f] --- END LIBC BACKTRACE ---
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