Write context fields into trace

[lttng-modules.git] / probes / lttng-perf-counters.c

diff --git a/probes/lttng-perf-counters.c b/probes/lttng-perf-counters.c
index 740c1d9424ca3d98795c825065ec0c5a5b4f6bb5..06a4a7cebfff85cae03e29d67c73e82cb6686256 100644 (file)
--- a/probes/lttng-perf-counters.c
+++ b/probes/lttng-perf-counters.c
@@ -23,6 +23,16 @@
 static DEFINE_MUTEX(perf_counter_mutex);
 static LIST_HEAD(perf_counter_contexts);
 
+static
+size_t perf_counter_get_size(size_t offset)
+{
+       size_t size = 0;
+
+       size += lib_ring_buffer_align(offset, ltt_alignof(uint64_t));
+       size += sizeof(uint64_t);
+       return size;
+}
+
 static
 void perf_counter_record(struct lttng_ctx_field *field,
                         struct lib_ring_buffer_ctx *ctx,
@@ -112,7 +122,8 @@ int lttng_add_perf_counter_to_ctx(uint32_t type,
        field->type.u.basic.integer.reverse_byte_order = 0;
        field->type.u.basic.integer.base = 10;
        field->type.u.basic.integer.encoding = lttng_encode_none;
-       field->callback = perf_counter_record;
+       field->get_size = perf_counter_get_size;
+       field->record = perf_counter_record;
        field->u.perf_counter.e = events;
        field->u.perf_counter.attr = attr;