From 51af802fc05152e84727a4293ccaa7e7e1b64d7e Mon Sep 17 00:00:00 2001 From: Tony Luck Date: Fri, 6 May 2022 15:54:08 -0700 Subject: trace: platform/x86/intel/ifs: Add trace point to track Intel IFS operations Add tracing support which may be useful for debugging systems that fail to complete In Field Scan tests. Acked-by: Steven Rostedt (Google) Reviewed-by: Dan Williams Signed-off-by: Tony Luck Acked-by: Hans de Goede Reviewed-by: Greg Kroah-Hartman Link: https://lore.kernel.org/r/20220506225410.1652287-11-tony.luck@intel.com Signed-off-by: Hans de Goede --- include/trace/events/intel_ifs.h | 41 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 include/trace/events/intel_ifs.h (limited to 'include/trace') diff --git a/include/trace/events/intel_ifs.h b/include/trace/events/intel_ifs.h new file mode 100644 index 000000000000..d7353024016c --- /dev/null +++ b/include/trace/events/intel_ifs.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM intel_ifs + +#if !defined(_TRACE_IFS_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_IFS_H + +#include +#include + +TRACE_EVENT(ifs_status, + + TP_PROTO(int cpu, union ifs_scan activate, union ifs_status status), + + TP_ARGS(cpu, activate, status), + + TP_STRUCT__entry( + __field( u64, status ) + __field( int, cpu ) + __field( u8, start ) + __field( u8, stop ) + ), + + TP_fast_assign( + __entry->cpu = cpu; + __entry->start = activate.start; + __entry->stop = activate.stop; + __entry->status = status.data; + ), + + TP_printk("cpu: %d, start: %.2x, stop: %.2x, status: %llx", + __entry->cpu, + __entry->start, + __entry->stop, + __entry->status) +); + +#endif /* _TRACE_IFS_H */ + +/* This part must be outside protection */ +#include -- cgit v1.2.3