X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-context-prio.c;h=d300445546d443443f103a3f8607b96a3e6895ad;hb=4f47ccf08dfac3d5db7553eb8b40bdab19764727;hp=e2f37d9eb6a38435acd254d756aba64177efad01;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;p=lttng-modules.git diff --git a/lttng-context-prio.c b/lttng-context-prio.c index e2f37d9e..d3004455 100644 --- a/lttng-context-prio.c +++ b/lttng-context-prio.c @@ -1,33 +1,20 @@ -/* +/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) + * * lttng-context-prio.c * * LTTng priority 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 "wrapper/kallsyms.h" -#include "lttng-tracer.h" +#include +#include +#include +#include +#include static int (*wrapper_task_prio_sym)(struct task_struct *t); @@ -64,6 +51,14 @@ void prio_record(struct lttng_ctx_field *field, chan->ops->event_write(ctx, &prio, sizeof(prio)); } +static +void prio_get_value(struct lttng_ctx_field *field, + struct lttng_probe_ctx *lttng_probe_ctx, + union lttng_ctx_value *value) +{ + value->s64 = wrapper_task_prio_sym(current); +} + int lttng_add_prio_to_ctx(struct lttng_ctx **ctx) { struct lttng_ctx_field *field; @@ -84,19 +79,17 @@ int lttng_add_prio_to_ctx(struct lttng_ctx **ctx) } field->event_field.name = "prio"; field->event_field.type.atype = atype_integer; - field->event_field.type.u.basic.integer.size = sizeof(int) * CHAR_BIT; - field->event_field.type.u.basic.integer.alignment = lttng_alignof(int) * CHAR_BIT; - field->event_field.type.u.basic.integer.signedness = is_signed_type(int); - 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->event_field.type.u.integer.size = sizeof(int) * CHAR_BIT; + field->event_field.type.u.integer.alignment = lttng_alignof(int) * CHAR_BIT; + field->event_field.type.u.integer.signedness = lttng_is_signed_type(int); + 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 = prio_get_size; field->record = prio_record; - wrapper_vmalloc_sync_all(); + field->get_value = prio_get_value; + lttng_context_update(*ctx); + wrapper_vmalloc_sync_mappings(); return 0; } EXPORT_SYMBOL_GPL(lttng_add_prio_to_ctx); - -MODULE_LICENSE("GPL and additional rights"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("Linux Trace Toolkit Priority Context");