On Sun, Sep 16, 2018 at 6:55 AM, Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> wrote: > On Sun, Sep 16, 2018, 12:08 AM Sai Prakash Ranjan > <saiprakash.ranjan@xxxxxxxxxxxxxx> wrote: >> >> On 9/9/2018 1:57 AM, Sai Prakash Ranjan wrote: >> > Currently pstore has function trace support which can be >> > used to get the function call chain with limited data. >> > Event tracing has extra data which is useful to debug wide >> > variety of issues and is heavily used across the kernel. >> > >> > Adding this support to pstore can be very helpful to debug >> > different subsystems since almost all of them have trace >> > events already available. And also it is useful to debug >> > unknown resets or crashes since we can get lot more info >> > from event tracing by viewing the last occurred events. >> >> Anyone here? > > Sorry for the top post. I've been wanting to do this as well for some time. > It's quite useful. I am out of office this week and away from work machine. > I will take a look at your patches next week once I'm back at work. Thanks. If Steven agrees this shouldn't live in ftrace directly and Joel reviews these patches, I think it should be fine. I'm travelling, but I can review it hopefully later this week. -Kees -- Kees Cook Pixel Security