Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> writes: > On Sat, Mar 30, 2013 at 02:46:21AM +0200, Alexander Shishkin wrote: >> The driver also has interrupt counters and another ring buffer for keeping >> track of the order in which they arrive. This patch converts these counters >> to trace points. Userspace tools such as perf can provide information on both >> order and stats of the interrupts. > > Why would perf care about a single driver? Why would a user? Why are Sorry, I don't understand these questions. That paragraph was trying to say that if you still want the information that the old event buffer provided, use perf. > these needed at all for anyone except the driver developer? One would think that tracepoints in $X part of the kernel are only ever of interest to the developers of $X with a few exeptions in sched and mm. Regards, -- Alex -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
