As such we compile guard the portions of code related to msr modprobing, reads and writes. Signed-off-by: Daniel Black <daniel.black(a)au1.ibm.com&gt; --- src/lib.cpp | 8 ++++++++ src/main.cpp | 2 ++ 2 files changed, 10 insertions(+) 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 f2569c1..31e3e71 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -328,8 +328,10 @@ static void powertop_init(void) 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) { -- 2.7.4