chan->ops->event_write(ctx, &vpid, sizeof(vpid));
}
+static
+void vpid_get_value(struct lttng_ctx_field *field,
+ union lttng_ctx_value *value)
+{
+ pid_t vpid;
+
+ /*
+ * nsproxy can be NULL when scheduled out of exit.
+ */
+ if (!current->nsproxy)
+ vpid = 0;
+ else
+ vpid = task_tgid_vnr(current);
+ value->s64 = vpid;
+}
+
int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
{
struct lttng_ctx_field *field;
field->event_field.type.atype = atype_integer;
field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;
field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT;
- field->event_field.type.u.basic.integer.signedness = is_signed_type(pid_t);
+ field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t);
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 = vpid_get_size;
field->record = vpid_record;
+ field->get_value = vpid_get_value;
+ lttng_context_update(*ctx);
wrapper_vmalloc_sync_all();
return 0;
}
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_DESCRIPTION("Linux Trace Toolkit vPID Context");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+ __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+ __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+ LTTNG_MODULES_EXTRAVERSION);