X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-tid.c;h=d2a20e60e87db2be9cbee94df047b5e7f231e341;hp=b4e6695246c6366a16874ef3636bc7551b0cd540;hb=740572854b9a9a2670ef6185afc9707608559368;hpb=13ab8b0a749053960f81a4924a3ed27775518f94 diff --git a/lttng-context-tid.c b/lttng-context-tid.c index b4e66952..d2a20e60 100644 --- a/lttng-context-tid.c +++ b/lttng-context-tid.c @@ -1,32 +1,19 @@ -/* +/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) + * * lttng-context-tid.c * * LTTng TID context. * * Copyright (C) 2009-2012 Mathieu Desnoyers - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; only - * version 2.1 of the License. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include -#include "lttng-events.h" -#include "wrapper/ringbuffer/frontend_types.h" -#include "wrapper/vmalloc.h" -#include "lttng-tracer.h" +#include +#include +#include +#include static size_t tid_get_size(size_t offset) @@ -50,6 +37,17 @@ void tid_record(struct lttng_ctx_field *field, chan->ops->event_write(ctx, &tid, sizeof(tid)); } +static +void tid_get_value(struct lttng_ctx_field *field, + struct lttng_probe_ctx *lttng_probe_ctx, + union lttng_ctx_value *value) +{ + pid_t tid; + + tid = task_pid_nr(current); + value->s64 = tid; +} + int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -71,15 +69,9 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) field->event_field.type.u.basic.integer.encoding = lttng_encode_none; field->get_size = tid_get_size; field->record = tid_record; + field->get_value = tid_get_value; + lttng_context_update(*ctx); wrapper_vmalloc_sync_all(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_tid_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit TID Context"); -MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "." - __stringify(LTTNG_MODULES_MINOR_VERSION) "." - __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION) - LTTNG_MODULES_EXTRAVERSION);