cpufreq: intel_pstate: Add io_boost trace

Add io_boost percent to current pstate_sample tracepoint.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 7c457cc..86c29af 100644 (file)
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1316,7 +1316,8 @@ static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
                sample->mperf,
                sample->aperf,
                sample->tsc,
-               get_avg_frequency(cpu));
+               get_avg_frequency(cpu),
+               fp_toint(cpu->iowait_boost * 100));
 }
 
 static void intel_pstate_update_util(struct update_util_data *data, u64 time,

diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 19e5030..54e3aad 100644 (file)
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -69,7 +69,8 @@ TRACE_EVENT(pstate_sample,
                u64 mperf,
                u64 aperf,
                u64 tsc,
-               u32 freq
+               u32 freq,
+               u32 io_boost
                ),
 
        TP_ARGS(core_busy,
@@ -79,7 +80,8 @@ TRACE_EVENT(pstate_sample,
                mperf,
                aperf,
                tsc,
-               freq
+               freq,
+               io_boost
                ),
 
        TP_STRUCT__entry(
@@ -91,6 +93,7 @@ TRACE_EVENT(pstate_sample,
                __field(u64, aperf)
                __field(u64, tsc)
                __field(u32, freq)
+               __field(u32, io_boost)
                ),
 
        TP_fast_assign(
@@ -102,9 +105,10 @@ TRACE_EVENT(pstate_sample,
                __entry->aperf = aperf;
                __entry->tsc = tsc;
                __entry->freq = freq;
+               __entry->io_boost = io_boost;
                ),
 
-       TP_printk("core_busy=%lu scaled=%lu from=%lu to=%lu mperf=%llu aperf=%llu tsc=%llu freq=%lu ",
+       TP_printk("core_busy=%lu scaled=%lu from=%lu to=%lu mperf=%llu aperf=%llu tsc=%llu freq=%lu io_boost=%lu",
                (unsigned long)__entry->core_busy,
                (unsigned long)__entry->scaled_busy,
                (unsigned long)__entry->from,
@@ -112,7 +116,8 @@ TRACE_EVENT(pstate_sample,
                (unsigned long long)__entry->mperf,
                (unsigned long long)__entry->aperf,
                (unsigned long long)__entry->tsc,
-               (unsigned long)__entry->freq
+               (unsigned long)__entry->freq,
+               (unsigned long)__entry->io_boost
                )
 
 );