linux-stable/include/trace/events/intel_ifs.h
Tony Luck 51af802fc0 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) <rostedt@goodmis.org>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220506225410.1652287-11-tony.luck@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-05-12 15:35:29 +02:00

41 lines
860 B
C

/* 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 <linux/ktime.h>
#include <linux/tracepoint.h>
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 <trace/define_trace.h>