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Commit 27bee16a authored by richagar's avatar richagar
Browse files

msm-perf: Extended support for perf notification 



Added support for passing init info from userspace

Change-Id: Ica31b6ed19e6536dadd36b35b31e5202da75490f
Signed-off-by: default avatarrichagar <richagar@codeaurora.org>
parent e2f7dca4

drivers/soc/qcom/msm_performance.c

+31 −3
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#define QUEUE_POOL_SIZE 512 /*2^8 always keep in 2^x */

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

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

#define INIT "Init"

static DEFINE_PER_CPU(bool, cpu_is_idle);

static DEFINE_PER_CPU(bool, cpu_is_hp);
@@ -964,15 +965,42 @@ module_param_cb(evnt_gplaf_pid, &param_ops_game_start_pid, NULL, 0644); 


/*******************************GFX Call************************************/



static bool splh_notif;

static int splh_notif;

static void init_splh_notif(const char *buf)

{

	/*buf contains the init info from user*/

	if (buf == NULL)

		return;



	pr_debug("msm_perf:Init info for scroll :: %s\n", buf);

}



static void activate_splh_notif(void)

{

	/*received event notification here*/

}



static int set_splh_notif(const char *buf, const struct kernel_param *kp)

{

	return param_set_bool(buf, kp);

	int ret;



	if (strnstr(buf, INIT, sizeof(INIT)) != NULL) {

		init_splh_notif(buf);

		return 0;

	}



	ret = param_set_int(buf, kp);

	if (ret < 0)

		return ret;



	activate_splh_notif();



	return ret;

}



static const struct kernel_param_ops param_ops_splh_notification = {

	.set = set_splh_notif,

	.get = param_get_bool,

	.get = param_get_int,

};

module_param_cb(splh_notif, &param_ops_splh_notification, &splh_notif, 0644);