On Wed, Jul 05, 2023 at 11:02:30AM +0530, Souradeep Chowdhury wrote: > Qualcomm's proprietary Android boot-loaders capture boot time > stats, like the time when the bootloader started execution and at what > point the bootloader handed over control to the kernel etc. in the IMEM > region. This information is captured by the bootloader and populated on > the device tree properties "pre-abl-time" and "abl-time" which can be > be viewed from the user space like as follows:- > > /sys/firmware/devicetree/base/bootstats # cat abl_time > 17898 > > As a part of this patch series added the bindings for boot-stats which > was suggested in the v6 of the series. The link for the same is as > follows:- Should boot statistics be exposed to userspace through the qcom socinfo driver? I see that the socinfo v19 metadata has fields for the boot core and boot cluster [1], so boot timing wouldn't be out of place. Brian [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/soc/qcom/socinfo.c#n572
