Merge "soc: qcom: boot_marker: Marker for Hibernation Restore" (d5851f55) · Commits · e / devices / android_kernel_xiaomi_nabu

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) { };