1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
--- lsmsr/lsmsr.c.orig 2016-10-12 19:04:55 UTC
+++ lsmsr/lsmsr.c
@@ -34,6 +34,18 @@
#include "AMD_fam15h.h"
#include "generic_msr.h"
+#if defined(__FreeBSD__)
+# include <sys/param.h>
+# include <sys/ioctl.h>
+# if __FreeBSD_version < 701102
+# define CPUDEV "/dev/cpu%d"
+# include <cpu.h>
+# else
+# define CPUDEV "/dev/cpuctl%d"
+# include <sys/cpuctl.h>
+# endif
+#endif
+
/* Todos:
* - add (list and eventually write) support for write-only MSR
* - add decoding support for bit fields
@@ -119,13 +131,40 @@ static void version(void)
fprintf(stdout, "%s version %s\n", g.prog, LSMSR_VERSION);
}
+#if defined(__FreeBSD__)
+
+static int get_msr_val(unsigned int msr, unsigned long long *val)
+{
+#if __FreeBSD_version < 701102
+ cpu_msr_args_t args;
+#else
+ cpuctl_msr_args_t args;
+#endif
+
+ args.msr = msr;
+#if __FreeBSD_version < 701102
+ if (ioctl(g.fd, CPU_RDMSR, &args) != 0) {
+#else
+ if (ioctl(g.fd, CPUCTL_RDMSR, &args) != 0) {
+#endif
+ fflush(stdout);
+ fprintf(stderr,
+ "could not read MSR 0x%8.8x (%s): %s\n",
+ msr, get_reg_name(msr, g.msr_table), strerror(errno));
+ return 0;
+ }
+ *val = args.data;
+
+ return 0;
+}
+#else /* !__FreeBSD__ */
static int get_msr_val(unsigned int msr, unsigned long long *val)
{
off64_t off;
int err;
*val = 0;
- off = lseek64(g.fd, (off64_t) msr, SEEK_SET);
+ off = lseek(g.fd, (off64_t) msr, SEEK_SET);
if (off == (off_t) -1) {
perror("invalid MSR");
return 1;
@@ -144,11 +183,17 @@ static int get_msr_val(unsigned int msr,
return 0;
}
+#endif
+
static int open_dev(int cpu)
{
char s[20];
+#ifdef __FreeBSD__
+ snprintf(s, sizeof(s), CPUDEV, cpu);
+#else
snprintf(s, sizeof(s), "/dev/cpu/%d/msr", cpu);
+#endif
g.fd = open(s, O_RDONLY);
if (g.fd < 0)
fprintf(stderr, "could not open device %s: %s\n", s,
@@ -317,6 +362,7 @@ static int set_msr_table(void)
}
struct reg_spec unknown_msr = {0, "unknown", "(at your own risk)", NULL, NULL};
+unsigned int nrCPUs = 1;
#define OPT_MAX 32
int main(int argc, char *argv[])
@@ -325,6 +371,10 @@ int main(int argc, char *argv[])
int i, li, ret;
struct reg_spec *reg;
+ nrCPUs = sysconf(_SC_NPROCESSORS_ONLN);
+ if (nrCPUs > 65535)
+ nrCPUs = 1;
+
ret = 1;
if((g.prog = rindex(argv[0], '/')))
++g.prog;
|
