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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/deepseek-2-tmp/output/hypervisor/1318091
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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-
-Perfctr MSRs not available to Guest OS on AMD Phenom II
-
-The AMD Phenom(tm) II X4 965 Processor (family 16, model 4, stepping 3) has the 4 architecturally supported perf counters at MSRs. The selectors are c001000-c001003, and the counters are c001004-c001007. I've verified that the MSRs are there and working by manually setting the MSRs with msr-tools to count cycles.
-
-The processor does not support the extended perfctr or the perfctr_nb. These are in cpuid leaf 8000_0001. Qemu also sees that these cpuid flags are not set, when I try launching with -cpu host,perfctr_core,check. However, this flag is only for the extended perfctr MSRs, which also happen to map the original four counters at c0010200.
-
-When I run a Guest OS, that OS is unable to use the perf counter registers from c001000-7. rdmsr and wrmsr complete, but the results are always 0. By contrast, a wrmsr to one of the c0010200 registers causes a general protection fault (as it should, since those aren't supported).
-
-Kernel: 3.14.0-gentoo
-Qemu: 2.0.0 (gentoo) and also with 2.0.50 (commit 06b4f00d5)
-Qemu command: qemu-system-x86_64 -enable-kvm -cpu host -smp 8 -m 1024 -nographic -monitor /dev/pts/4 mnt/hdd.img
-cat /proc/cpuinfo:
-processor : 3
-vendor_id : AuthenticAMD
-cpu family : 16
-model : 4
-model name : AMD Phenom(tm) II X4 965 Processor
-stepping : 3
-cpu MHz : 800.000
-cache size : 512 KB
-physical id : 0
-siblings : 4
-core id : 3
-cpu cores : 4
-apicid : 3
-initial apicid : 3
-fpu : yes
-fpu_exception : yes
-cpuid level : 5
-wp : yes
-flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt hw_pstate npt lbrv svm_lock nrip_save
-bogomips : 6803.79
-TLB size : 1024 4K pages
-clflush size : 64
-cache_alignment : 64
-address sizes : 48 bits physical, 48 bits virtual
-power management: ts ttp tm stc 100mhzsteps hwpstate
-
-thanks. \ No newline at end of file