On Thu, 12 Jun 2014 22:19:57 -0400 "Chen, Gong" <gong.chen@xxxxxxxxxxxxxxx> wrote: > On Thu, Jun 12, 2014 at 09:28:08AM -0400, Steven Rostedt wrote: > > > + TP_STRUCT__entry( > > > + __field(u32, err_seq) > > > + __field(u8, etype) > > > + __field(u8, sev) > > > + __field(u64, pa) > > > + __field(u8, pa_mask_lsb) > > > + __array(u8, fru_id, sizeof(uuid_le)) > > > + __string(fru_text, fru_text) > > > + __array(u8, data, sizeof(struct cper_mem_err_compact)) > > > > The above array works, but I'm wondering why you don't just use the > > types themselves? > > > > That is: > > > > __field(uuid_le, fru_id) > > __field(struct cper_mem_err_compact, data) > > > Every time when I use above codes I will hit some compiler error like > "error: conversion to non-scalar type requested". It looks some > data types like above (unless typedef) can't be used in __field. > Is it true? How to fix that? > Ah, that's a bug in the ftrace.h file. I'll need to test this against it to see what error it gives. I'll work on that tomorrow as it's bedtime for me now. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
