X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-tid.c;h=d2a20e60e87db2be9cbee94df047b5e7f231e341;hp=de745de293f17530ad3c82d82097789f9c985db4;hb=HEAD;hpb=06254b0fe2a909dabb889fb0d022384906f6f37a diff --git a/lttng-context-tid.c b/lttng-context-tid.c deleted file mode 100644 index de745de2..00000000 --- a/lttng-context-tid.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * 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" - -static -size_t tid_get_size(size_t offset) -{ - size_t size = 0; - - size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); - size += sizeof(pid_t); - return size; -} - -static -void tid_record(struct lttng_ctx_field *field, - struct lib_ring_buffer_ctx *ctx, - struct lttng_channel *chan) -{ - pid_t tid; - - tid = task_pid_nr(current); - lib_ring_buffer_align_ctx(ctx, lttng_alignof(tid)); - chan->ops->event_write(ctx, &tid, sizeof(tid)); -} - -int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) -{ - struct lttng_ctx_field *field; - - field = lttng_append_context(ctx); - if (!field) - return -ENOMEM; - if (lttng_find_context(*ctx, "tid")) { - lttng_remove_context_field(ctx, field); - return -EEXIST; - } - field->event_field.name = "tid"; - 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 = 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 = tid_get_size; - field->record = tid_record; - 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");