在 2023/8/7 下午5:24, John Garry 写道: > On 07/08/2023 08:51, Jing Zhang wrote: >> The usual event descriptions are "event=xxx" or "config=xxx", while the >> event descriptions of CMN are "type=xxx, eventid=xxx" or more complex. >> >> $cat /sys/bus/event_source/devices/arm_cmn_0/events/hnf_cache_fill >> type=0x5,eventid=0x3 >> >> When adding aliases for events described as "event=xxx" or "config=xxx", >> EventCode or ConfigCode can be used in the JSON files to describe the >> events. But "eventid=xxx, type=xxx" cannot be supported at present. >> >> If EventCode and ConfigCode is not added in the alias JSON file, the >> event description will add "event=0" by default. So, even if the event >> field is added to supplement "eventid=xxx" and "type=xxx", the final >> parsing result will be "event=0, eventid=xxx, type=xxx". >> >> Therefore, when EventCode and ConfigCode are missing in JSON, "event=0" is >> no longer added by default. EventIdCode and Type are added to the event >> field, and ConfigCode is moved into the event_field array which can also >> guarantee its original function. >> >> Signed-off-by: Jing Zhang <renyu.zj@xxxxxxxxxxxxxxxxx> > > I'll let Ian check this change as he is more familiar with this code. > Ok, thanks!