X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-tid.c;h=d2a20e60e87db2be9cbee94df047b5e7f231e341;hb=80bb26003945e96a8ade9c8788dab9b2e08cbc08;hp=af59d7b8375a61722387a102a750bcc7bd7becc3;hpb=a90917c3f8c4ed79117f1caa333b29a2108084ec;p=lttng-modules.git diff --git a/lttng-context-tid.c b/lttng-context-tid.c index af59d7b8..d2a20e60 100644 --- a/lttng-context-tid.c +++ b/lttng-context-tid.c @@ -1,19 +1,19 @@ -/* - * (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 "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) @@ -37,6 +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; @@ -52,17 +63,15 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx) 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 = is_signed_type(pid_t); + 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");