On 06/28/2017 09:30 AM, Shuah Khan wrote: > On 06/28/2017 08:59 AM, Steven Rostedt wrote: >> On Wed, 28 Jun 2017 08:30:24 -0600 >> Shuah Khan <sh...@kernel.org> wrote: >> >>> On 06/28/2017 08:17 AM, Steven Rostedt wrote: >>>> On Tue, 27 Jun 2017 19:28:32 +0900 >>>> Masami Hiramatsu <mhira...@kernel.org> wrote: >>>> >>>>> Use md5sum so that it takes less time of checking >>>>> trace logs update. Since busybox tail/cat takes too >>>>> long time to read the trace log, this uses md5sum >>>>> to check whether trace log is updated or not. >>>> >>>> How much faster is md5sum? I can see this causing issues in other >>>> environments. >>>> >>>> -- Steve >>> >>> Sorry Steve. I pulled this into linux-ksefltest next. Are you concerned >>> about any specific environments? I can try this out and see if it is a >>> problem. >> >> Yes please. I should probably do some playing too. I would like to fix >> that test anyway, as it is one of the longer ones as I do a lot of >> "paranoid checks". That is, I may go overboard in testing if tracing is >> off or not, by checking to make sure its off using different tactics. >> > > Please let me know how your trials go. I have a few things I have to get > to before I get around to trying this patch. > > thanks, > -- Shuah
Hi Steve/Masami, I tested this patch on my test system running 4.12-rc7 and didn't see any problems. I am going to leave this in the linux-kselftest next for 4.13-rc1. Please let me if you think I should drop it. thanks, -- Shuah
