trace: implement registration payload

[dpdk.git] / lib / librte_eal / include / rte_trace_point_register.h

diff --git a/lib/librte_eal/include/rte_trace_point_register.h b/lib/librte_eal/include/rte_trace_point_register.h
index 6c5872a..4e2306f 100644 (file)
--- a/lib/librte_eal/include/rte_trace_point_register.h
+++ b/lib/librte_eal/include/rte_trace_point_register.h
@@ -17,4 +17,24 @@ RTE_DECLARE_PER_LCORE(volatile int, trace_point_sz);
        __rte_trace_point_register(&__##trace, RTE_STR(name), \
                (void (*)(void)) trace)
 
+#define __rte_trace_point_emit_header_generic(t) \
+       RTE_PER_LCORE(trace_point_sz) = __RTE_TRACE_EVENT_HEADER_SZ
+
+#define __rte_trace_point_emit_header_fp(t) \
+       __rte_trace_point_emit_header_generic(t)
+
+#define __rte_trace_point_emit(in, type) \
+do { \
+       RTE_BUILD_BUG_ON(sizeof(type) != sizeof(typeof(in))); \
+       __rte_trace_point_emit_field(sizeof(type), RTE_STR(in), \
+               RTE_STR(type)); \
+} while (0)
+
+#define rte_trace_point_emit_string(in) \
+do { \
+       RTE_SET_USED(in); \
+       __rte_trace_point_emit_field(__RTE_TRACE_EMIT_STRING_LEN_MAX, \
+               RTE_STR(in)"[32]", "string_bounded_t"); \
+} while (0)
+
 #endif /* _RTE_TRACE_POINT_REGISTER_H_ */