Tests: Fix t_gantt_io

bin/verilator_gantt

@@ -10,6 +10,7 @@ use Pod::Usage;
 use vars qw($Debug);
 
 $Debug = 0;
+my $Opt_Cpuinfo = "/proc/cpuinfo";
 my $Opt_File;
 my $Opt_Time_Per_Char = 0;  # rdtsc ticks per char in gantt chart, 0=auto
 my $opt_vcd = "profile_threads.vcd";
@@ -23,6 +24,7 @@ autoflush STDERR 1;
 Getopt::Long::config("no_auto_abbrev");
 if (! GetOptions(
           "help"        => \&usage,
+          "cpuinfo=s"   => \$Opt_Cpuinfo,  # Testing, not documented
           "scale=i"     => \$Opt_Time_Per_Char,
           "debug"       => sub { $Debug = 1; },
           "vcd=s"       => \$opt_vcd,
@@ -60,7 +62,7 @@ sub process {
     my $filename = shift;
 
     read_data($filename);
-    read_cpuinfo();
+    read_cpuinfo($Opt_Cpuinfo);
     report();
 }
 
@@ -115,7 +117,7 @@ sub read_data {
 }
 
 sub read_cpuinfo {
-    my $filename = "/proc/cpuinfo";
+    my $filename = shift;
     my $fh = IO::File->new("<$filename") or return;
     my $cpu;
     while (my $line = $fh->getline) {

test_regress/t/t_gantt_io.pl

@@ -10,14 +10,9 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 
 scenarios(dist => 1);
 
-if (1) {
+run(cmd => ["cd $Self->{obj_dir} && $ENV{VERILATOR_ROOT}/bin/verilator_gantt"
-    skip("Skipping due to unstability with cpuinfo");
+            ." --cpuinfo $Self->{t_dir}/t_gantt_io_cpuinfo.dat"
-} else {
+            ." $Self->{t_dir}/t_gantt_io.dat > gantt.log"],
-    check();
-}
-
-sub check {
-    run(cmd => ["cd $Self->{obj_dir} && $ENV{VERILATOR_ROOT}/bin/verilator_gantt $Self->{t_dir}/t_gantt_io.dat > gantt.log"],
     check_finished => 0);
 
 files_identical("$Self->{obj_dir}/gantt.log", $Self->{golden_filename});
@@ -25,6 +20,4 @@ sub check {
 vcd_identical("$Self->{obj_dir}/profile_threads.vcd", "$Self->{t_dir}/t_gantt_io_vcd.out");
 
 ok(1);
-}
-
 1;

test_regress/t/t_gantt_io_cpuinfo.dat

@@ -0,0 +1,896 @@
+processor       : 0
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2203.060
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 0
+cpu cores       : 16
+apicid          : 0
+initial apicid  : 0
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 1
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2192.482
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 1
+cpu cores       : 16
+apicid          : 2
+initial apicid  : 2
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 2
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2195.034
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 2
+cpu cores       : 16
+apicid          : 4
+initial apicid  : 4
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 3
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2195.861
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 3
+cpu cores       : 16
+apicid          : 6
+initial apicid  : 6
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 4
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2195.736
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 4
+cpu cores       : 16
+apicid          : 8
+initial apicid  : 8
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 5
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2192.116
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 5
+cpu cores       : 16
+apicid          : 10
+initial apicid  : 10
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 6
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2195.236
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 6
+cpu cores       : 16
+apicid          : 12
+initial apicid  : 12
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 7
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2194.216
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 7
+cpu cores       : 16
+apicid          : 14
+initial apicid  : 14
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 8
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2197.502
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 8
+cpu cores       : 16
+apicid          : 16
+initial apicid  : 16
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 9
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2194.929
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 9
+cpu cores       : 16
+apicid          : 18
+initial apicid  : 18
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+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 constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr wbnoinvd arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
+bugs            : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass
+bogomips        : 6987.10
+TLB size        : 3072 4K pages
+clflush size    : 64
+cache_alignment : 64
+address sizes   : 43 bits physical, 48 bits virtual
+power management: ts ttp tm hwpstate cpb eff_freq_ro [13] [14]
+
+processor       : 10
+vendor_id       : AuthenticAMD
+cpu family      : 23
+model           : 113
+model name      : AMD Ryzen 9 3950X 16-Core Processor
+stepping        : 0
+microcode       : 0x8701013
+cpu MHz         : 2194.423
+cache size      : 512 KB
+physical id     : 0
+siblings        : 32
+core id         : 10
+cpu cores       : 16
+apicid          : 20
+initial apicid  : 20
+fpu             : yes
+fpu_exception   : yes
+cpuid level     : 16
+wp              : yes
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