-----Original Message----- > Date: Mon, 11 Dec 2017 14:23:54 +0800 > From: Jia He <[email protected]> > To: Jerin Jacob <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: About pmu cycle counter usage in armv8 > User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 > Thunderbird/52.5.0 > > Hi Jerin
Hi Jia. > > Ok > > And I wonder why you haven't met such problem (all rd_tsc() is 0)in your > test platform? > > Did you use an old kernel (older than v4.5-rc1)? I am using 4.9 kernel base.
