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Commit 935d2261 authored by Atul Raut's avatar Atul Raut Committed by Gerrit - the friendly Code Review server
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soc: qcom: boot_marker: Marker for Hibernation Restore 



Add KPI marker for Hibernation restore phase

Change-Id: I4145495915d4efdb543deeaea582020c0674723b
Signed-off-by: default avatarAtul Raut <araut@codeaurora.org>
parent 71eb1ca6

drivers/soc/qcom/boot_marker.c

+47 −0
Original line number Diff line number Diff line
@@ -40,6 +40,10 @@ struct boot_marker { 
	spinlock_t slock;

};



#ifdef CONFIG_HIBERNATION

static unsigned long long int kernel_start_at;

#endif /* CONFIG_HIBERNATION */



static struct dentry *dent_bkpi, *dent_bkpi_status, *dent_mpm_timer;

static struct boot_marker boot_marker_list;
@@ -99,8 +103,51 @@ static void set_bootloader_stats(void) 
		readl_relaxed(&boot_stats->bootloader_end));

}



#ifdef CONFIG_HIBERNATION

void update_bootloader_stats(void)

{

	u32 val = 0;

	struct boot_marker *marker;

	static const char * const name[] = {"D - Hiber: Start image loading - ",

		"D - Hiber: End image loading - ",

		"M - APPSBL End(Kernel Start) - "};



	spin_lock(&boot_marker_list.slock);

	list_for_each_entry(marker, &boot_marker_list.list, list) {

		if (!strcmp("M - APPSBL Start - ", marker->marker_name)) {

			val = readl_relaxed(&boot_stats->bootloader_start);

			marker->timer_value = val;

		}

		if (!strcmp("D - APPSBL Kernel Load Start - ",

				marker->marker_name)) {

			strlcpy(marker->marker_name, name[0],

				sizeof(marker->marker_name));

			val = readl_relaxed(&boot_stats->load_kernel_start);

			marker->timer_value = val;

		}

		if (!strcmp("D - APPSBL Kernel Load End - ",

				marker->marker_name)) {

			strlcpy(marker->marker_name, name[1],

				sizeof(marker->marker_name));

			val = readl_relaxed(&boot_stats->load_kernel_done);

			marker->timer_value = val;

		}

		if (!strcmp("M - APPSBL End - ", marker->marker_name)) {

			strlcpy(marker->marker_name, name[2],

				sizeof(marker->marker_name));

			marker->timer_value = kernel_start_at;

		}

	}

	spin_unlock(&boot_marker_list.slock);

}

#endif /* CONFIG_HIBERNATION */



void place_marker(const char *name)

{

#ifdef CONFIG_HIBERNATION

	if (!strcmp(name, "Kernel Start"))

		kernel_start_at = msm_timer_get_sclk_ticks();

#endif /* CONFIG_HIBERNATION */

	_create_boot_marker((char *) name, msm_timer_get_sclk_ticks());

}

EXPORT_SYMBOL(place_marker);

include/soc/qcom/boot_stats.h

+5 −0
Original line number Diff line number Diff line
@@ -45,6 +45,11 @@ static inline int boot_marker_enabled(void) { return 1; } 
void place_marker(const char *name);

void destroy_marker(const char *name);

void measure_wake_up_time(void);

#ifdef CONFIG_HIBERNATION

void update_bootloader_stats(void);

#else

static inline void update_bootloader_stats(void) { return; }

#endif /* CONFIG_HIBERNATION */

#else

static inline void place_marker(char *name) { };

static inline void destroy_marker(const char *name) { };