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| author | Tony Luck <tony.luck@intel.com> | 2022-05-06 15:54:08 -0700 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-05-12 15:35:29 +0200 |
| commit | 51af802fc05152e84727a4293ccaa7e7e1b64d7e (patch) | |
| tree | e91d043ead3ecfeda7943e6e2ee9ac0ee8a830b2 /include/trace | |
| parent | 6f33a92b92f9cc37f31137cd5a2060ec714d486b (diff) | |
| download | linux-51af802fc05152e84727a4293ccaa7e7e1b64d7e.tar.gz linux-51af802fc05152e84727a4293ccaa7e7e1b64d7e.tar.bz2 linux-51af802fc05152e84727a4293ccaa7e7e1b64d7e.zip | |
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>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/intel_ifs.h | 41 |
1 files changed, 41 insertions, 0 deletions
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 <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> |