On 05/08/2013 11:46 PM, zhangwei(Jovi) wrote: > On 2013/5/9 14:05, Francis Deslauriers wrote: >> Add page_fault_entry and page_fault_exit event definitions. It will >> allow each architecture to instrument their page faults. > > I'm wondering if this tracepoint could handle other page faults, > like faults in kernel memory(vmalloc, kmmio, etc...) > > And if we decide to support those faults, add a type annotate in TP_printk > would be much helpful for user, to let user know what type of page faults happened. > The plan for x86 was to switch the IDT so that any exception could get a trace event without any overhead in normal operation. This has been in the process for quite some time but looks like it was getting very close. -hpa -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>