diff options
Diffstat (limited to 'sysutils/mcelog/files/patch-tsc.c')
| -rw-r--r-- | sysutils/mcelog/files/patch-tsc.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sysutils/mcelog/files/patch-tsc.c b/sysutils/mcelog/files/patch-tsc.c new file mode 100644 index 000000000000..c035eb9850db --- /dev/null +++ b/sysutils/mcelog/files/patch-tsc.c @@ -0,0 +1,95 @@ +--- ./tsc.c.orig 2009-12-15 07:18:40.000000000 -0500 ++++ ./tsc.c 2011-10-14 22:36:47.000000000 -0400 +@@ -15,6 +15,12 @@ + on your Linux system; if not, write to the Free Software Foundation, + Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + #define _GNU_SOURCE 1 ++#ifdef __FreeBSD__ ++#include <sys/types.h> ++#include <sys/sysctl.h> ++#include <machine/cpufunc.h> ++#include <machine/specialreg.h> ++#endif + #include <string.h> + #include <stdio.h> + #include <stdlib.h> +@@ -46,6 +52,7 @@ + return 0; + } + ++#ifdef __Linux__ + static double cpufreq_mhz(int cpu, double infomhz) + { + double mhz; +@@ -68,12 +75,29 @@ + fclose(f); + return mhz; + } ++#endif ++ ++#ifdef __FreeBSD__ ++static double cpufreq_mhz(int cpu, double infomhz) ++{ ++ double mhz; ++ uint64_t freq; ++ size_t len; ++ ++ len = sizeof(freq); ++ if (sysctlbyname("machdep.tsc_freq", &freq, &len, NULL, 0) < 0) ++ return infomhz; ++ mhz = freq / 1000000.0; ++ return mhz; ++} ++#endif + + int decode_tsc_forced(char **buf, double mhz, u64 tsc) + { + return fmt_tsc(buf, tsc, mhz); + } + ++#ifdef __Linux__ + static int deep_sleep_states(int cpu) + { + int ret; +@@ -132,6 +156,41 @@ + return 0; + return 1; + } ++#endif ++ ++#ifdef __FreeBSD__ ++/* Try to figure out if this CPU has a somewhat reliable TSC clock */ ++static int tsc_reliable(int cputype, int cpunum) ++{ ++ u_int regs[4]; ++ u_int cpu_id, amd_pminfo; ++ ++ if (cputype != CPU_K8 && !is_intel_cpu(cputype)) ++ return 0; ++ ++ do_cpuid(0, regs); ++ cpu_id = regs[1]; ++ do_cpuid(0x80000000, regs); ++ if (regs[0] >= 0x80000007) { ++ do_cpuid(0x80000007, regs); ++ amd_pminfo = regs[3]; ++ } else ++ amd_pminfo = 0; ++ ++ if (amd_pminfo & AMDPM_TSC_INVARIANT) ++ return 1; ++ if (is_intel_cpu(cputype)) { ++ if (CPUID_TO_FAMILY(cpu_id) >= 0x10 || ++ cpu_id == 0x60fb2) ++ return 1; ++ } else if ((CPUID_TO_FAMILY(cpu_id) == 0x6 && ++ CPUID_TO_MODEL(cpu_id) >= 0xe) || ++ (CPUID_TO_FAMILY(cpu_id) == 0xf && CPUID_TO_MODEL(cpu_id) >= 0x3)) ++ return 1; ++ ++ return 0; ++} ++#endif + + int decode_tsc_current(char **buf, int cpunum, enum cputype cputype, double mhz, + unsigned long long tsc) |