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Commit c58a7869 authored by Shreyas K K's avatar Shreyas K K
Browse files

drivers: qcom: Add Bootloader timestamps to the boot_marker list 



Bootloader captures the various timestamps like bootloader_start,
bootloader_end, kernel_load_start, and so on. Capture these timestamps
as part of the boot_marker list to know the Bootloader KPI values.

Change-Id: Ieaefa12074fff86b1af5f52c4083ab4bd00eaa6c
Signed-off-by: default avatarShreyas K K <shrekk@codeaurora.org>
parent fcbb5c5e

drivers/soc/qcom/boot_stats.c

+22 −0
Original line number Diff line number Diff line
@@ -156,6 +156,25 @@ void destroy_marker(const char *name) 
}

EXPORT_SYMBOL(destroy_marker);



static void set_bootloader_stats(void)

{

	if (IS_ERR_OR_NULL(boot_stats)) {

		pr_err("boot_marker: imem not initialized!\n");

		return;

	}



	_create_boot_marker("M - APPSBL Start - ",

		readl_relaxed(&boot_stats->bootloader_start));

	_create_boot_marker("M - APPSBL Kernel Load Start - ",

		readl_relaxed(&boot_stats->bootloader_load_kernel_start));

	_create_boot_marker("M - APPSBL Kernel Load End - ",

		readl_relaxed(&boot_stats->bootloader_load_kernel_end));

	_create_boot_marker("D - APPSBL Kernel Load Time - ",

		readl_relaxed(&boot_stats->bootloader_load_kernel));

	_create_boot_marker("M - APPSBL End - ",

		readl_relaxed(&boot_stats->bootloader_end));

}



static ssize_t bootkpi_reader(struct kobject *obj, struct kobj_attribute *attr,

		char *user_buffer)

{
@@ -357,6 +376,9 @@ static int __init boot_stats_init(void) 
			pr_err("boot_stats: BootKPI init failed %d\n");

			return ret;

		}

#ifdef CONFIG_QGKI_MSM_BOOT_TIME_MARKER

		set_bootloader_stats();

#endif

	} else {

		iounmap(boot_stats);

		iounmap(mpm_counter_base);