X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-procname.c;h=8e4bbf97b52bb8485cc2f7b99c252a247bdb0f5a;hb=ceabb767180e064629b5a9ab4ed14449da864763;hp=c6bc6468004f1b9e1d1251acf637d146eea3e8d7;hpb=c26fddc2d5dca76292182857908a0307d91863b6;p=lttng-modules.git diff --git a/lttng-context-procname.c b/lttng-context-procname.c index c6bc6468..8e4bbf97 100644 --- a/lttng-context-procname.c +++ b/lttng-context-procname.c @@ -1,19 +1,20 @@ -/* - * (C) Copyright 2009-2011 - - * Mathieu Desnoyers +/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) + * + * lttng-context-procname.c * * LTTng procname 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 +#include static size_t procname_get_size(size_t offset) @@ -33,11 +34,22 @@ size_t procname_get_size(size_t offset) static void procname_record(struct lttng_ctx_field *field, struct lib_ring_buffer_ctx *ctx, - struct ltt_channel *chan) + struct lttng_channel *chan) { chan->ops->event_write(ctx, current->comm, sizeof(current->comm)); } +static +void procname_get_value(struct lttng_ctx_field *field, + struct lttng_probe_ctx *lttng_probe_ctx, + union lttng_ctx_value *value) +{ + value->str = current->comm; +} + +static const struct lttng_type procname_array_elem_type = + __type_integer(char, 0, 0, -1, __BYTE_ORDER, 10, UTF8); + int lttng_add_procname_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -50,23 +62,16 @@ int lttng_add_procname_to_ctx(struct lttng_ctx **ctx) return -EEXIST; } field->event_field.name = "procname"; - field->event_field.type.atype = atype_array; - field->event_field.type.u.array.elem_type.atype = atype_integer; - field->event_field.type.u.array.elem_type.u.basic.integer.size = sizeof(char) * CHAR_BIT; - field->event_field.type.u.array.elem_type.u.basic.integer.alignment = ltt_alignof(char) * CHAR_BIT; - field->event_field.type.u.array.elem_type.u.basic.integer.signedness = is_signed_type(char); - field->event_field.type.u.array.elem_type.u.basic.integer.reverse_byte_order = 0; - field->event_field.type.u.array.elem_type.u.basic.integer.base = 10; - field->event_field.type.u.array.elem_type.u.basic.integer.encoding = lttng_encode_UTF8; - field->event_field.type.u.array.length = sizeof(current->comm); + field->event_field.type.atype = atype_array_nestable; + field->event_field.type.u.array_nestable.elem_type = &procname_array_elem_type; + field->event_field.type.u.array_nestable.length = sizeof(current->comm); + field->event_field.type.u.array_nestable.alignment = 0; field->get_size = procname_get_size; field->record = procname_record; + field->get_value = procname_get_value; + lttng_context_update(*ctx); wrapper_vmalloc_sync_all(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_procname_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit Perf Support");