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6e9151ca05
mcelog processes machine checks (in particular memory and CPU hardware errors) on modern x86-based unix systems and produces human-readable output. FreeBSD conversion patches were originally written by John Baldwin <jhb@freebsd.org> and later incorporated into this port. WWW: http://mcelog.org/ PR: ports/161395 Submitted by: Jeremy Chadwick <freebsd@jdc.parodius.com>
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
--- ./tsc.c.orig 2009-12-15 07:18:40.000000000 -0500
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+++ ./tsc.c 2011-10-14 22:36:47.000000000 -0400
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@@ -15,6 +15,12 @@
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on your Linux system; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#define _GNU_SOURCE 1
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+#ifdef __FreeBSD__
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+#include <sys/types.h>
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+#include <sys/sysctl.h>
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+#include <machine/cpufunc.h>
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+#include <machine/specialreg.h>
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+#endif
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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@@ -46,6 +52,7 @@
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return 0;
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}
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+#ifdef __Linux__
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static double cpufreq_mhz(int cpu, double infomhz)
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{
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double mhz;
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@@ -68,12 +75,29 @@
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fclose(f);
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return mhz;
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}
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+#endif
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+
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+#ifdef __FreeBSD__
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+static double cpufreq_mhz(int cpu, double infomhz)
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+{
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+ double mhz;
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+ uint64_t freq;
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+ size_t len;
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+
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+ len = sizeof(freq);
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+ if (sysctlbyname("machdep.tsc_freq", &freq, &len, NULL, 0) < 0)
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+ return infomhz;
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+ mhz = freq / 1000000.0;
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+ return mhz;
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+}
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+#endif
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int decode_tsc_forced(char **buf, double mhz, u64 tsc)
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{
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return fmt_tsc(buf, tsc, mhz);
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}
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+#ifdef __Linux__
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static int deep_sleep_states(int cpu)
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{
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int ret;
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@@ -132,6 +156,41 @@
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return 0;
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return 1;
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}
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+#endif
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+
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+#ifdef __FreeBSD__
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+/* Try to figure out if this CPU has a somewhat reliable TSC clock */
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+static int tsc_reliable(int cputype, int cpunum)
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+{
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+ u_int regs[4];
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+ u_int cpu_id, amd_pminfo;
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+
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+ if (cputype != CPU_K8 && !is_intel_cpu(cputype))
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+ return 0;
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+
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+ do_cpuid(0, regs);
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+ cpu_id = regs[1];
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+ do_cpuid(0x80000000, regs);
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+ if (regs[0] >= 0x80000007) {
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+ do_cpuid(0x80000007, regs);
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+ amd_pminfo = regs[3];
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+ } else
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+ amd_pminfo = 0;
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+
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+ if (amd_pminfo & AMDPM_TSC_INVARIANT)
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+ return 1;
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+ if (is_intel_cpu(cputype)) {
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+ if (CPUID_TO_FAMILY(cpu_id) >= 0x10 ||
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+ cpu_id == 0x60fb2)
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+ return 1;
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+ } else if ((CPUID_TO_FAMILY(cpu_id) == 0x6 &&
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+ CPUID_TO_MODEL(cpu_id) >= 0xe) ||
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+ (CPUID_TO_FAMILY(cpu_id) == 0xf && CPUID_TO_MODEL(cpu_id) >= 0x3))
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+ return 1;
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+
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+ return 0;
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+}
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+#endif
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int decode_tsc_current(char **buf, int cpunum, enum cputype cputype, double mhz,
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unsigned long long tsc)
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