>-----Original Message----- >From: Jiri Olsa [mailto:jolsa@xxxxxxxxxx] >Sent: Saturday, November 4, 2017 6:25 AM >To: Megha Dey <megha.dey@xxxxxxxxxxxxxxx> >Cc: x86@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux- >doc@xxxxxxxxxxxxxxx; tglx@xxxxxxxxxxxxx; mingo@xxxxxxxxxx; >hpa@xxxxxxxxx; andriy.shevchenko@xxxxxxxxxxxxxxx; >kstewart@xxxxxxxxxxxxxxxxxxx; Yu, Yu-cheng <yu-cheng.yu@xxxxxxxxx>; >Brown, Len <len.brown@xxxxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; >peterz@xxxxxxxxxxxxx; acme@xxxxxxxxxx; >alexander.shishkin@xxxxxxxxxxxxxxx; namhyung@xxxxxxxxxx; >vikas.shivappa@xxxxxxxxxxxxxxx; pombredanne@xxxxxxxx; >me@xxxxxxxxxxxx; bp@xxxxxxx; Andrejczuk, Grzegorz ><grzegorz.andrejczuk@xxxxxxxxx>; Luck, Tony <tony.luck@xxxxxxxxx>; >corbet@xxxxxxx; Shankar, Ravi V <ravi.v.shankar@xxxxxxxxx>; Dey, Megha ><megha.dey@xxxxxxxxx> >Subject: Re: [PATCH V0 2/3] perf/x86/intel/bm.c: Add Intel Branch >Monitoring support > >On Fri, Nov 03, 2017 at 11:00:05AM -0700, Megha Dey wrote: > >SNIP > >> + event->event_caps |= PERF_EV_CAP_BM; >> + /* >> + * cfg contains one of the 6 possible Branch Monitoring events >> + */ >> + cfg = event->attr.config; >> + if (cfg < 0 || cfg > (BM_MAX_EVENTS - 1)) >> + return -EINVAL; >> + >> + if (event->attr.sample_period) /* no sampling */ >> + return -EINVAL; > >you can use the 'is_sampling_event' function Will make the change. > >jirka -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
