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| author | Daniel Black <daniel.black@au1.ibm.com> | 2016-07-21 10:55:48 +1000 |
|---|---|---|
| committer | Nivedita Swaminathan <nivedita.swaminathan@intel.com> | 2016-07-21 15:12:34 -0700 |
| commit | bd8ca689fb90268dab1b35aa95d826614981d582 (patch) | |
| tree | 97ee84d819a0fc87398a7cef5a7f564bd27c8a31 | |
| parent | 06696d4e5f2ef7ba36fa0c8c6b34f72eefcb4c05 (diff) | |
MSR is valid for x86_32/x86_64 only
As such we compile guard the portions of code related to msr
modprobing, reads and writes.
Signed-off-by: Daniel Black <daniel.black@au1.ibm.com>
| -rw-r--r-- | src/lib.cpp | 8 | ||||
| -rw-r--r-- | src/main.cpp | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/lib.cpp b/src/lib.cpp index cdbd0cd..5e48f37 100644 --- a/src/lib.cpp +++ b/src/lib.cpp @@ -497,6 +497,7 @@ int get_user_input(char *buf, unsigned sz) int read_msr(int cpu, uint64_t offset, uint64_t *value) { +#if defined(__i386__) || defined(__x86_64__) ssize_t retval; uint64_t msr; int fd; @@ -526,10 +527,14 @@ int read_msr(int cpu, uint64_t offset, uint64_t *value) *value = msr; return retval; +#else + return -1; +#endif } int write_msr(int cpu, uint64_t offset, uint64_t value) { +#if defined(__i386__) || defined(__x86_64__) ssize_t retval; int fd; char msr_path[256]; @@ -557,6 +562,9 @@ int write_msr(int cpu, uint64_t offset, uint64_t value) } return retval; +#else + return -1; +#endif } #define UI_NOTIFY_BUFF_SZ 2048 diff --git a/src/main.cpp b/src/main.cpp index c51a9f7..f700208 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -328,8 +328,10 @@ static void powertop_init(int auto_tune) if (system("/sbin/modprobe cpufreq_stats > /dev/null 2>&1")) fprintf(stderr, _("modprobe cpufreq_stats failed")); +#if defined(__i386__) || defined(__x86_64__) if (system("/sbin/modprobe msr > /dev/null 2>&1")) fprintf(stderr, _("modprobe msr failed")); +#endif statfs("/sys/kernel/debug", &st_fs); if (st_fs.f_type != (long) DEBUGFS_MAGIC) { |