Commit 09519ec3 authored by Rob Herring's avatar Rob Herring Committed by Will Deacon
Browse files

perf: Add perf_event_attr::config3 



Arm SPEv1.2 adds another 64-bits of event filtering control. As the
existing perf_event_attr::configN fields are all used up for SPE PMU, an
additional field is needed. Add a new 'config3' field.

Tested-by: default avatarJames Clark <james.clark@arm.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220825-arm-spe-v8-7-v4-7-327f860daf28@kernel.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 7f49b037

include/uapi/linux/perf_event.h

+3 −0
Original line number Diff line number Diff line
@@ -374,6 +374,7 @@ enum perf_event_read_format { 
#define PERF_ATTR_SIZE_VER5	112	/* add: aux_watermark */

#define PERF_ATTR_SIZE_VER6	120	/* add: aux_sample_size */

#define PERF_ATTR_SIZE_VER7	128	/* add: sig_data */

#define PERF_ATTR_SIZE_VER8	136	/* add: config3 */



/*

 * Hardware event_id to monitor via a performance monitoring event:
@@ -515,6 +516,8 @@ struct perf_event_attr { 
	 * truncated accordingly on 32 bit architectures.

	 */

	__u64	sig_data;



	__u64	config3; /* extension of config2 */

};



/*