X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-tid.c;h=d2a20e60e87db2be9cbee94df047b5e7f231e341;hp=d5ccdb635c406d81d60313fad5ecb49945130eec;hb=cef5d79ec834edb32f33cdf45ad10b3b32e59726;hpb=44252f0fd51fd4bf28926dcef525355bceb08c5f diff --git a/lttng-context-tid.c b/lttng-context-tid.c index d5ccdb63..d2a20e60 100644 --- a/lttng-context-tid.c +++ b/lttng-context-tid.c @@ -1,26 +1,26 @@ -/* - * (C) Copyright 2009-2011 - - * Mathieu Desnoyers +/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) + * + * lttng-context-tid.c * * LTTng TID context. * - * Dual LGPL v2.1/GPL v2 license. + * Copyright (C) 2009-2012 Mathieu Desnoyers */ #include #include #include -#include "ltt-events.h" -#include "wrapper/ringbuffer/frontend_types.h" -#include "wrapper/vmalloc.h" -#include "ltt-tracer.h" +#include +#include +#include +#include static size_t tid_get_size(size_t offset) { size_t size = 0; - size += lib_ring_buffer_align(offset, ltt_alignof(pid_t)); + size += lib_ring_buffer_align(offset, lttng_alignof(pid_t)); size += sizeof(pid_t); return size; } @@ -28,15 +28,26 @@ size_t tid_get_size(size_t offset) static void tid_record(struct lttng_ctx_field *field, struct lib_ring_buffer_ctx *ctx, - struct ltt_channel *chan) + struct lttng_channel *chan) { pid_t tid; tid = task_pid_nr(current); - lib_ring_buffer_align_ctx(ctx, ltt_alignof(tid)); + 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; @@ -51,18 +62,16 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) 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 = ltt_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.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; + 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");