Ming Lei <tom.leiming@xxxxxxxxx> writes: > Hi, > > From chapter 17 of "Interrupt controller", OMAP4 TRM, I can't > find what is the interrupt line of CortexA9 performance monitor > in omap4. Seems without this information, we can't use perf on > omap4. > > Any suggestions or ideas about it? The PMU interrupt is routed through the CTI, which needs to be properly configured. Unfortunately, the CTI is not documented in the public TRM, and nobody has seen fit to submit a patch suitable for upstream. Some dirty hacks have been posted, though. -- Måns Rullgård mans@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html