Implement LTTng-UST perf counters support on x86

[lttng-ust.git] / include / lttng / ust-abi.h

diff --git a/include/lttng/ust-abi.h b/include/lttng/ust-abi.h
index 0287466b5746a4aa7a673ff8f2e3180334158f8b..8c2469e42a2a7194449e796f57095718d0db0232 100644 (file)
--- a/include/lttng/ust-abi.h
+++ b/include/lttng/ust-abi.h
@@ -138,8 +138,15 @@ enum lttng_ust_context_type {
        LTTNG_UST_CONTEXT_PTHREAD_ID            = 2,
        LTTNG_UST_CONTEXT_PROCNAME              = 3,
        LTTNG_UST_CONTEXT_IP                    = 4,
+       LTTNG_UST_CONTEXT_PERF_THREAD_COUNTER   = 5,
 };
 
+struct lttng_ust_perf_counter_ctx {
+       uint32_t type;
+       uint64_t config;
+       char name[LTTNG_UST_SYM_NAME_LEN];
+} LTTNG_PACKED;
+
 #define LTTNG_UST_CONTEXT_PADDING1     16
 #define LTTNG_UST_CONTEXT_PADDING2     (LTTNG_UST_SYM_NAME_LEN + 32)
 struct lttng_ust_context {
@@ -147,6 +154,7 @@ struct lttng_ust_context {
        char padding[LTTNG_UST_CONTEXT_PADDING1];
 
        union {
+               struct lttng_ust_perf_counter_ctx perf_counter;
                char padding[LTTNG_UST_CONTEXT_PADDING2];
        } u;
 } LTTNG_PACKED;