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Commit 79bc18e8 authored by Sankaran Nampoothiri's avatar Sankaran Nampoothiri
Browse files

drivers: soc: llcc_perfmon: Sysfs entry perfmon_scid_status 



Entry added to show the current capacity of SCID & active state.

Change-Id: I3bb907e6a9704d0852cc8d118c184f6151b1e4e5
Signed-off-by: default avatarSankaran Nampoothiri <snampoot@codeaurora.org>
parent d6ada1e5

drivers/soc/qcom/llcc_perfmon.c

+33 −0
Original line number Diff line number Diff line
@@ -470,12 +470,44 @@ static ssize_t perfmon_start_store(struct device *dev, 
	return count;

}



static ssize_t perfmon_scid_status_show(struct device *dev,

		struct device_attribute *attr, char *buf)

{

	struct llcc_perfmon_private *llcc_priv = dev_get_drvdata(dev);

	uint32_t val;

	unsigned int i, offset;

	ssize_t cnt = 0, print;



	for (i = 0; i < SCID_MAX; i++) {

		offset = TRP_SCID_n_STATUS(i);

		llcc_bcast_read(llcc_priv, offset, &val);

		if (val & TRP_SCID_STATUS_ACTIVE_MASK)

			print = snprintf(buf, MAX_STRING_SIZE, "SCID %02d %10s",

					i, "ACTIVE");

		else

			print = snprintf(buf, MAX_STRING_SIZE, "SCID %02d %10s",

					i, "DEACTIVE");



		buf += print;

		cnt += print;



		val = (val & TRP_SCID_STATUS_CURRENT_CAP_MASK)

			>> TRP_SCID_STATUS_CURRENT_CAP_SHIFT;

		print = snprintf(buf, MAX_STRING_SIZE, ",0x%08x\n", val);

		buf += print;

		cnt += print;

	}



	return cnt;

}



static DEVICE_ATTR_RO(perfmon_counter_dump);

static DEVICE_ATTR_WO(perfmon_configure);

static DEVICE_ATTR_WO(perfmon_remove);

static DEVICE_ATTR_WO(perfmon_filter_config);

static DEVICE_ATTR_WO(perfmon_filter_remove);

static DEVICE_ATTR_WO(perfmon_start);

static DEVICE_ATTR_RO(perfmon_scid_status);



static struct attribute *llcc_perfmon_attrs[] = {

	&dev_attr_perfmon_counter_dump.attr,
@@ -484,6 +516,7 @@ static struct attribute *llcc_perfmon_attrs[] = { 
	&dev_attr_perfmon_filter_config.attr,

	&dev_attr_perfmon_filter_remove.attr,

	&dev_attr_perfmon_start.attr,

	&dev_attr_perfmon_scid_status.attr,

	NULL,

};

drivers/soc/qcom/llcc_perfmon.h

+14 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ 
/* TRP */

#define TRP_PROF_FILTER_0_CFG1		(0x024004)

#define TRP_PROF_EVENT_n_CFG(n)		(0x024020 + 4 * n)

#define TRP_SCID_n_STATUS(n)		(0x000004 + 0x1000 * n)



/* DRP */

#define DRP_PROF_EVENT_n_CFG(n)		(0x044010 + 4 * n)
@@ -180,4 +181,17 @@ 
#define TRP_PROFTAG_MASK_SHIFT		(28)

#define TRP_PROFTAG_MASK_MASK		GENMASK(TRP_PROFTAG_MASK_SHIFT + 1,\

						TRP_PROFTAG_MASK_SHIFT)



#define TRP_SCID_STATUS_ACTIVE_SHIFT		(0)

#define TRP_SCID_STATUS_ACTIVE_MASK		GENMASK( \

						TRP_SCID_STATUS_ACTIVE_SHIFT \

						+ 0, \

						TRP_SCID_STATUS_ACTIVE_SHIFT)

#define TRP_SCID_STATUS_DEACTIVE_SHIFT		(1)

#define TRP_SCID_STATUS_CURRENT_CAP_SHIFT	(16)

#define TRP_SCID_STATUS_CURRENT_CAP_MASK	GENMASK( \

					TRP_SCID_STATUS_CURRENT_CAP_SHIFT \

					+ 13, \

					TRP_SCID_STATUS_CURRENT_CAP_SHIFT)



#endif /* _SOC_QCOM_LLCC_PERFMON_H_ */