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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-02-13 02:12:41 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-02-13 02:12:41 +0100
commit465e5fc41dbeeb5331bbff6e9e734f0542dfc739 (patch)
treeaeb7cc9a2ebc9858d0214ce555f8ffe12ea90adf
parentd990ce0d5be15664546c12ef0bc63fab33f31aa3 (diff)
parent171d0ba869675dac9acbbb9f1966c54359e5aac8 (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: MAINTAINERS / cpufreq: update Sudeep's email address intel_pstate: Remove energy reporting from pstate_sample tracepoint
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/cpufreq/intel_pstate.c9
-rw-r--r--include/trace/events/power.h7
3 files changed, 2 insertions, 16 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index b2cf5cfb4d29..956f069a66e8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2367,7 +2367,7 @@ F: include/linux/cpufreq.h
CPU FREQUENCY DRIVERS - ARM BIG LITTLE
M: Viresh Kumar <viresh.kumar@linaro.org>
-M: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
+M: Sudeep Holla <sudeep.holla@arm.com>
L: cpufreq@vger.kernel.org
L: linux-pm@vger.kernel.org
W: http://www.arm.com/products/processors/technologies/biglittleprocessing.php
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 79606f473f48..c788abf1c457 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -51,8 +51,6 @@ static inline int32_t div_fp(int32_t x, int32_t y)
return div_s64((int64_t)x << FRAC_BITS, (int64_t)y);
}
-static u64 energy_divisor;
-
struct sample {
int32_t core_pct_busy;
u64 aperf;
@@ -630,12 +628,10 @@ static void intel_pstate_timer_func(unsigned long __data)
{
struct cpudata *cpu = (struct cpudata *) __data;
struct sample *sample;
- u64 energy;
intel_pstate_sample(cpu);
sample = &cpu->samples[cpu->sample_ptr];
- rdmsrl(MSR_PKG_ENERGY_STATUS, energy);
intel_pstate_adjust_busy_pstate(cpu);
@@ -644,7 +640,6 @@ static void intel_pstate_timer_func(unsigned long __data)
cpu->pstate.current_pstate,
sample->mperf,
sample->aperf,
- div64_u64(energy, energy_divisor),
sample->freq);
intel_pstate_set_sample_time(cpu);
@@ -926,7 +921,6 @@ static int __init intel_pstate_init(void)
int cpu, rc = 0;
const struct x86_cpu_id *id;
struct cpu_defaults *cpu_info;
- u64 units;
if (no_load)
return -ENODEV;
@@ -960,9 +954,6 @@ static int __init intel_pstate_init(void)
if (rc)
goto out;
- rdmsrl(MSR_RAPL_POWER_UNIT, units);
- energy_divisor = 1 << ((units >> 8) & 0x1f); /* bits{12:8} */
-
intel_pstate_debug_expose_params();
intel_pstate_sysfs_expose_params();
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 9e9475c85de5..e5bf9a76f169 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -42,7 +42,6 @@ TRACE_EVENT(pstate_sample,
u32 state,
u64 mperf,
u64 aperf,
- u32 energy,
u32 freq
),
@@ -51,7 +50,6 @@ TRACE_EVENT(pstate_sample,
state,
mperf,
aperf,
- energy,
freq
),
@@ -61,7 +59,6 @@ TRACE_EVENT(pstate_sample,
__field(u32, state)
__field(u64, mperf)
__field(u64, aperf)
- __field(u32, energy)
__field(u32, freq)
),
@@ -72,17 +69,15 @@ TRACE_EVENT(pstate_sample,
__entry->state = state;
__entry->mperf = mperf;
__entry->aperf = aperf;
- __entry->energy = energy;
__entry->freq = freq;
),
- TP_printk("core_busy=%lu scaled=%lu state=%lu mperf=%llu aperf=%llu energy=%lu freq=%lu ",
+ TP_printk("core_busy=%lu scaled=%lu state=%lu mperf=%llu aperf=%llu freq=%lu ",
(unsigned long)__entry->core_busy,
(unsigned long)__entry->scaled_busy,
(unsigned long)__entry->state,
(unsigned long long)__entry->mperf,
(unsigned long long)__entry->aperf,
- (unsigned long)__entry->energy,
(unsigned long)__entry->freq
)