X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=lttng-context-vpid.c;h=9a8df9a972b89f7c32dfa4335cde048f6b9ae1e5;hb=5b3cf4f924befda843a7736daf84f8ecae5e86a4;hp=14364b338a9e92ff834ef26480f1b1653e874ea1;hpb=06254b0fe2a909dabb889fb0d022384906f6f37a;p=lttng-modules.git diff --git a/lttng-context-vpid.c b/lttng-context-vpid.c index 14364b33..9a8df9a9 100644 --- a/lttng-context-vpid.c +++ b/lttng-context-vpid.c @@ -56,6 +56,22 @@ void vpid_record(struct lttng_ctx_field *field, 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; @@ -77,6 +93,8 @@ int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx) 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; } @@ -85,3 +103,7 @@ EXPORT_SYMBOL_GPL(lttng_add_vpid_to_ctx); 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);