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Commit 1df107b4 authored by richagar's avatar richagar Committed by Gerrit - the friendly Code Review server
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msm-perf: Added threshold check for perf_event 



Added cycle threshold check to perf_events to
filter ipc ratio.

Change-Id: Iedc4ab37eb8668d7019b20a784ad0c0e86ce51df
Signed-off-by: default avatarrichagar <richagar@codeaurora.org>
parent 986ca5b1

drivers/soc/qcom/msm_performance.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -37,6 +37,7 @@ 
#define INST_EV 0x08 /* 0th event*/

#define INST_EV 0x08 /* 0th event*/

#define CYC_EV 0x11 /* 1st event*/

#define CYC_EV 0x11 /* 1st event*/

#define INIT "Init"

#define INIT "Init"

#define CPU_CYCLE_THRESHOLD 650000

static DEFINE_PER_CPU(bool, cpu_is_idle);

static DEFINE_PER_CPU(bool, cpu_is_idle);

static DEFINE_PER_CPU(bool, cpu_is_hp);

static DEFINE_PER_CPU(bool, cpu_is_hp);

static DEFINE_MUTEX(perfevent_lock);

static DEFINE_MUTEX(perfevent_lock);
@@ -588,7 +589,7 @@ static int get_cpu_total_instruction(char *buf, const struct kernel_param *kp) 
		cycles = pmu_events[CYC_EVENT][cpu].cur_delta;

		cycles = pmu_events[CYC_EVENT][cpu].cur_delta;

		/* collecting max inst and ipc for max cap and min cap cpus */

		/* collecting max inst and ipc for max cap and min cap cpus */

		if (max_cap_cpus[cpu]) {

		if (max_cap_cpus[cpu]) {

			if (cycles)

			if (cycles && cycles >= CPU_CYCLE_THRESHOLD)

				ipc_big = max(ipc_big,

				ipc_big = max(ipc_big,

						((instruction*100)/cycles));

						((instruction*100)/cycles));

			total_inst_big += instruction;

			total_inst_big += instruction;