cpufreq: intel_pstate: Add io_boost trace

Add io_boost percent to current pstate_sample tracepoint.

Signed-off-by: Srinivas Pandruvada <[e-mail]>
Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/cpufreq/intel_pstate.c

···
 		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,

include/trace/events/power.h

···
 		u64 mperf,
 		u64 aperf,
 		u64 tsc,
-		u32 freq
+		u32 freq,
+		u32 io_boost
 		),
 
 	TP_ARGS(core_busy,
···
 		mperf,
 		aperf,
 		tsc,
-		freq
+		freq,
+		io_boost
 		),
 
 	TP_STRUCT__entry(
···
 		__field(u64, aperf)
 		__field(u64, tsc)
 		__field(u32, freq)
+		__field(u32, io_boost)
 		),
 
 	TP_fast_assign(
···
 		__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,
···
 		(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
 		)
 
 );