History

perf: Add perf_event_attr::config4

Arm FEAT_SPE_FDS adds the ability to filter on the data source of a packet using 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 'config4' field.

James Clark committed 1 year ago

Commit cbbfba41 parent 11abb4e1 file · +2 −0Browse files

Showing the changes to include/uapi (1 of 1 file). Show all

Unified · Split

include/uapi/linux/perf_event.h+2−0
@@ -382,6 +382,7 @@ enum perf_event_read_format { · 381 unmodified lines
382382 #define PERF_ATTR_SIZE_VER6 120 /* Add: aux_sample_size */
383383 #define PERF_ATTR_SIZE_VER7 128 /* Add: sig_data */
384384 #define PERF_ATTR_SIZE_VER8 136 /* Add: config3 */
385+#define PERF_ATTR_SIZE_VER9 144 /* add: config4 */
385386
386387 /*
387388 * 'struct perf_event_attr' contains various attributes that define
@@ -543,6 +544,7 @@ struct perf_event_attr { · 155 unmodified lines
543544 __u64 sig_data;
544545
545546 __u64 config3; /* extension of config2 */
547+ __u64 config4; /* extension of config3 */
546548 };
547549
548550 /*