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 8f2233a53fce24c335c2c4066fe9df1391514624..8c2469e42a2a7194449e796f57095718d0db0232 100644 (file)
--- a/include/lttng/ust-abi.h
+++ b/include/lttng/ust-abi.h
@@ -42,7 +42,7 @@
 #define LTTNG_UST_COMM_MAGIC                   0xC57C57C5
 
 /* Version for ABI between liblttng-ust, sessiond, consumerd */
-#define LTTNG_UST_ABI_MAJOR_VERSION            4
+#define LTTNG_UST_ABI_MAJOR_VERSION            5
 #define LTTNG_UST_ABI_MINOR_VERSION            0
 
 enum lttng_ust_instrumentation {
@@ -137,8 +137,16 @@ enum lttng_ust_context_type {
        LTTNG_UST_CONTEXT_VPID                  = 1,
        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 {
@@ -146,6 +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;
@@ -191,6 +200,7 @@ struct lttng_ust_object_data {
                struct {
                        void *data;
                        enum lttng_ust_chan_type type;
+                       int wakeup_fd;
                } channel;
                struct {
                        int shm_fd;
@@ -226,6 +236,13 @@ struct lttng_ust_filter_bytecode {
        char data[0];
 } LTTNG_PACKED;
 
+#define LTTNG_UST_EXCLUSION_PADDING    32
+struct lttng_ust_event_exclusion {
+       uint32_t count;
+       char padding[LTTNG_UST_EXCLUSION_PADDING];
+       char names[LTTNG_UST_SYM_NAME_LEN][0];
+} LTTNG_PACKED;
+
 #define _UST_CMD(minor)                                (minor)
 #define _UST_CMDR(minor, type)                 (minor)
 #define _UST_CMDW(minor, type)                 (minor)
@@ -271,6 +288,7 @@ struct lttng_ust_filter_bytecode {
 
 /* Event FD commands */
 #define LTTNG_UST_FILTER                       _UST_CMD(0xA0)
+#define LTTNG_UST_EXCLUSION                    _UST_CMD(0xA1)
 
 #define LTTNG_UST_ROOT_HANDLE  0
 
@@ -279,6 +297,7 @@ struct lttng_ust_obj;
 union ust_args {
        struct {
                void *chan_data;
+               int wakeup_fd;
        } channel;
        struct {
                int shm_fd;