X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=lttng-context-prio.c;h=b5d21e7e9438bafee3779d483532745f1ec1e65b;hp=6441b5f1f4c38726bdd25ce57ae09b8b24271c5a;hb=HEAD;hpb=263b6c88138c3354d63dba3c70a965de94becd22

diff --git a/lttng-context-prio.c b/lttng-context-prio.c
deleted file mode 100644
index 6441b5f1..00000000
--- a/lttng-context-prio.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* 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 <mathieu.desnoyers@efficios.com>
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <lttng-events.h>
-#include <wrapper/ringbuffer/frontend_types.h>
-#include <wrapper/vmalloc.h>
-#include <wrapper/kallsyms.h>
-#include <lttng-tracer.h>
-
-static
-int (*wrapper_task_prio_sym)(struct task_struct *t);
-
-int wrapper_task_prio_init(void)
-{
-	wrapper_task_prio_sym = (void *) kallsyms_lookup_funcptr("task_prio");
-	if (!wrapper_task_prio_sym) {
-		printk(KERN_WARNING "LTTng: task_prio symbol lookup failed.\n");
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static
-size_t prio_get_size(size_t offset)
-{
-	size_t size = 0;
-
-	size += lib_ring_buffer_align(offset, lttng_alignof(int));
-	size += sizeof(int);
-	return size;
-}
-
-static
-void prio_record(struct lttng_ctx_field *field,
-		struct lib_ring_buffer_ctx *ctx,
-		struct lttng_channel *chan)
-{
-	int prio;
-
-	prio = wrapper_task_prio_sym(current);
-	lib_ring_buffer_align_ctx(ctx, lttng_alignof(prio));
-	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;
-	int ret;
-
-	if (!wrapper_task_prio_sym) {
-		ret = wrapper_task_prio_init();
-		if (ret)
-			return ret;
-	}
-
-	field = lttng_append_context(ctx);
-	if (!field)
-		return -ENOMEM;
-	if (lttng_find_context(*ctx, "prio")) {
-		lttng_remove_context_field(ctx, field);
-		return -EEXIST;
-	}
-	field->event_field.name = "prio";
-	field->event_field.type.atype = atype_integer;
-	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;
-	field->get_value = prio_get_value;
-	lttng_context_update(*ctx);
-	wrapper_vmalloc_sync_mappings();
-	return 0;
-}
-EXPORT_SYMBOL_GPL(lttng_add_prio_to_ctx);