callstack context: use delimiter when stack is incomplete

[lttng-modules.git] / lttng-context-prio.c

diff --git a/lttng-context-prio.c b/lttng-context-prio.c
index e2f37d9eb6a38435acd254d756aba64177efad01..8a0839cf04d73f40eecaefda1784c473d66dceaf 100644 (file)
--- a/lttng-context-prio.c
+++ b/lttng-context-prio.c
@@ -23,11 +23,11 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
-#include "lttng-events.h"
-#include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/vmalloc.h"
-#include "wrapper/kallsyms.h"
-#include "lttng-tracer.h"
+#include <lttng-events.h>
+#include <wrapper/ringbuffer/frontend_types.h>
+#include <wrapper/vmalloc.h>
+#include <wrapper/kallsyms.h>
+#include <lttng-tracer.h>
 
 static
 int (*wrapper_task_prio_sym)(struct task_struct *t);
@@ -64,6 +64,14 @@ void prio_record(struct lttng_ctx_field *field,
        chan->ops->event_write(ctx, &prio, sizeof(prio));
 }
 
+static
+void prio_get_value(struct lttng_ctx_field *field,
+               struct lttng_probe_ctx *lttng_probe_ctx,
+               union lttng_ctx_value *value)
+{
+       value->s64 = wrapper_task_prio_sym(current);
+}
+
 int lttng_add_prio_to_ctx(struct lttng_ctx **ctx)
 {
        struct lttng_ctx_field *field;
@@ -86,17 +94,15 @@ int lttng_add_prio_to_ctx(struct lttng_ctx **ctx)
        field->event_field.type.atype = atype_integer;
        field->event_field.type.u.basic.integer.size = sizeof(int) * CHAR_BIT;
        field->event_field.type.u.basic.integer.alignment = lttng_alignof(int) * CHAR_BIT;
-       field->event_field.type.u.basic.integer.signedness = is_signed_type(int);
+       field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(int);
        field->event_field.type.u.basic.integer.reverse_byte_order = 0;
        field->event_field.type.u.basic.integer.base = 10;
        field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
        field->get_size = prio_get_size;
        field->record = prio_record;
+       field->get_value = prio_get_value;
+       lttng_context_update(*ctx);
        wrapper_vmalloc_sync_all();
        return 0;
 }
 EXPORT_SYMBOL_GPL(lttng_add_prio_to_ctx);
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit Priority Context");