X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-prio.c;h=6441b5f1f4c38726bdd25ce57ae09b8b24271c5a;hb=263b6c88138c3354d63dba3c70a965de94becd22;hp=fee0dc146c1657896aa915e2a7cedc181235c3bb;hpb=a90917c3f8c4ed79117f1caa333b29a2108084ec;p=lttng-modules.git diff --git a/lttng-context-prio.c b/lttng-context-prio.c index fee0dc14..6441b5f1 100644 --- a/lttng-context-prio.c +++ b/lttng-context-prio.c @@ -1,20 +1,20 @@ -/* - * (C) Copyright 2009-2011 - - * Mathieu Desnoyers +/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) + * + * lttng-context-prio.c * * LTTng priority 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 "wrapper/kallsyms.h" -#include "lttng-tracer.h" +#include +#include +#include +#include +#include static int (*wrapper_task_prio_sym)(struct task_struct *t); @@ -51,6 +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; @@ -71,19 +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");