diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/perf_event.h | 14 | ||||
| -rw-r--r-- | include/uapi/linux/perf_event.h | 3 |
2 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index e8ad3c590a23..61448c19a132 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -246,6 +246,7 @@ struct perf_event; #define PERF_PMU_CAP_ITRACE 0x20 #define PERF_PMU_CAP_HETEROGENEOUS_CPUS 0x40 #define PERF_PMU_CAP_NO_EXCLUDE 0x80 +#define PERF_PMU_CAP_AUX_OUTPUT 0x100 /** * struct pmu - generic performance monitoring unit @@ -447,6 +448,16 @@ struct pmu { /* optional */ /* + * Check if event can be used for aux_output purposes for + * events of this PMU. + * + * Runs from perf_event_open(). Should return 0 for "no match" + * or non-zero for "match". + */ + int (*aux_output_match) (struct perf_event *event); + /* optional */ + + /* * Filter events for PMU-specific reasons. */ int (*filter_match) (struct perf_event *event); /* optional */ @@ -681,6 +692,9 @@ struct perf_event { struct perf_addr_filter_range *addr_filter_ranges; unsigned long addr_filters_gen; + /* for aux_output events */ + struct perf_event *aux_event; + void (*destroy)(struct perf_event *); struct rcu_head rcu_head; diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 7198ddd0c6b1..bb7b271397a6 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -374,7 +374,8 @@ struct perf_event_attr { namespaces : 1, /* include namespaces data */ ksymbol : 1, /* include ksymbol events */ bpf_event : 1, /* include bpf events */ - __reserved_1 : 33; + aux_output : 1, /* generate AUX records instead of events */ + __reserved_1 : 32; union { __u32 wakeup_events; /* wakeup every n events */ |