Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
tools/power turbostat: Dump hypervisor name
Sometimes useful to know which hypervisor is running beneath us...
Signed-off-by: Len Brown <len.brown@intel.com>
+23
+23
tools/power/x86/turbostat/turbostat.c
+23
tools/power/x86/turbostat/turbostat.c
···
8772
8772
for_all_cpus(print_epb, ODD_COUNTERS);
8773
8773
for_all_cpus(print_perf_limit, ODD_COUNTERS);
8774
8774
}
8775
+
void dump_word_chars(unsigned int word)
8776
+
{
8777
+
int i;
8778
+
8779
+
for (i = 0; i < 4; ++i)
8780
+
fprintf(outf, "%c", (word >> (i * 8)) & 0xFF);
8781
+
}
8782
+
void dump_cpuid_hypervisor(void)
8783
+
{
8784
+
unsigned int ebx = 0;
8785
+
unsigned int ecx = 0;
8786
+
unsigned int edx = 0;
8787
+
8788
+
__cpuid(0x40000000, max_extended_level, ebx, ecx, edx);
8789
+
8790
+
fprintf(outf, "Hypervisor: ");
8791
+
dump_word_chars(ebx);
8792
+
dump_word_chars(ecx);
8793
+
dump_word_chars(edx);
8794
+
fprintf(outf, "\n");
8795
+
}
8775
8796
8776
8797
void process_cpuid()
8777
8798
{
···
8860
8839
edx_flags & (1 << 5) ? "" : "No-",
8861
8840
edx_flags & (1 << 22) ? "" : "No-", edx_flags & (1 << 28) ? "" : "No-", edx_flags & (1 << 29) ? "" : "No-");
8862
8841
}
8842
+
if (!quiet && cpuid_has_hv)
8843
+
dump_cpuid_hypervisor();
8863
8844
8864
8845
probe_platform_features(family, model);
8865
8846