diff options
Diffstat (limited to 'driver/gator_trace_power.c')
| -rw-r--r-- | driver/gator_trace_power.c | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/driver/gator_trace_power.c b/driver/gator_trace_power.c index b1687e1..79fa13c 100644 --- a/driver/gator_trace_power.c +++ b/driver/gator_trace_power.c @@ -9,8 +9,19 @@ #include <linux/cpufreq.h> #include <trace/events/power.h> + +#if defined(__arm__) + #include <asm/mach-types.h> +#define implements_wfi() (!machine_is_omap3_beagle()) + +#else + +#define implements_wfi() false + +#endif + // cpu_frequency and cpu_idle trace points were introduced in Linux kernel v2.6.38 // the now deprecated power_frequency trace point was available prior to 2.6.38, but only for x86 #if GATOR_CPU_FREQ_SUPPORT @@ -61,9 +72,9 @@ GATOR_DEFINE_PROBE(cpu_idle, TP_PROTO(unsigned int state, unsigned int cpu)) return; } - if (!machine_is_omap3_beagle()) { + if (implements_wfi()) { if (state == PWR_EVENT_EXIT) { - // transition from wfi to non-wfi + // transition from wfi to non-wfi marshal_idle(cpu, WFI_EXIT); } else { // transition from non-wfi to wfi @@ -149,10 +160,29 @@ void gator_trace_power_init(void) } } #else -static int gator_trace_power_create_files(struct super_block *sb, struct dentry *root) {return 0;} -static void gator_trace_power_online(void) {} -static void gator_trace_power_offline(void) {} -static int gator_trace_power_start(void) {return 0;} -static void gator_trace_power_stop(void) {} -void gator_trace_power_init(void) {} +static int gator_trace_power_create_files(struct super_block *sb, struct dentry *root) +{ + return 0; +} + +static void gator_trace_power_online(void) +{ +} + +static void gator_trace_power_offline(void) +{ +} + +static int gator_trace_power_start(void) +{ + return 0; +} + +static void gator_trace_power_stop(void) +{ +} + +void gator_trace_power_init(void) +{ +} #endif |