X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-tid.c;h=d2a20e60e87db2be9cbee94df047b5e7f231e341;hp=5f8e68fac7e6fa4386fce87fc2006923e7973ff6;hb=HEAD;hpb=ceabb767180e064629b5a9ab4ed14449da864763 diff --git a/lttng-context-tid.c b/lttng-context-tid.c deleted file mode 100644 index 5f8e68fa..00000000 --- a/lttng-context-tid.c +++ /dev/null @@ -1,77 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) - * - * lttng-context-tid.c - * - * LTTng TID context. - * - * Copyright (C) 2009-2012 Mathieu Desnoyers - */ - -#include -#include -#include -#include -#include -#include -#include - -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)); -} - -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; - - 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.integer.size = sizeof(pid_t) * CHAR_BIT; - field->event_field.type.u.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT; - field->event_field.type.u.integer.signedness = lttng_is_signed_type(pid_t); - field->event_field.type.u.integer.reverse_byte_order = 0; - field->event_field.type.u.integer.base = 10; - field->event_field.type.u.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);