From fc5377668c3d808e1d53c4aee152c836f55c3490 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 17 Sep 2009 19:35:28 +0200 Subject: tracing: Remove markers Now that the last users of markers have migrated to the event tracer we can kill off the (now orphan) support code. Signed-off-by: Christoph Hellwig Acked-by: Mathieu Desnoyers Cc: Steven Rostedt Cc: Frederic Weisbecker LKML-Reference: <20090917173527.GA1699@lst.de> Signed-off-by: Ingo Molnar --- samples/markers/probe-example.c | 92 ----------------------------------------- 1 file changed, 92 deletions(-) delete mode 100644 samples/markers/probe-example.c (limited to 'samples/markers/probe-example.c') diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c deleted file mode 100644 index 2dfb3b32937e..000000000000 --- a/samples/markers/probe-example.c +++ /dev/null @@ -1,92 +0,0 @@ -/* probe-example.c - * - * Connects two functions to marker call sites. - * - * (C) Copyright 2007 Mathieu Desnoyers - * - * This file is released under the GPLv2. - * See the file COPYING for more details. - */ - -#include -#include -#include -#include -#include - -struct probe_data { - const char *name; - const char *format; - marker_probe_func *probe_func; -}; - -void probe_subsystem_event(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - /* Declare args */ - unsigned int value; - const char *mystr; - - /* Assign args */ - value = va_arg(*args, typeof(value)); - mystr = va_arg(*args, typeof(mystr)); - - /* Call printk */ - printk(KERN_INFO "Value %u, string %s\n", value, mystr); - - /* or count, check rights, serialize data in a buffer */ -} - -atomic_t eventb_count = ATOMIC_INIT(0); - -void probe_subsystem_eventb(void *probe_data, void *call_data, - const char *format, va_list *args) -{ - /* Increment counter */ - atomic_inc(&eventb_count); -} - -static struct probe_data probe_array[] = -{ - { .name = "subsystem_event", - .format = "integer %d string %s", - .probe_func = probe_subsystem_event }, - { .name = "subsystem_eventb", - .format = MARK_NOARGS, - .probe_func = probe_subsystem_eventb }, -}; - -static int __init probe_init(void) -{ - int result; - int i; - - for (i = 0; i < ARRAY_SIZE(probe_array); i++) { - result = marker_probe_register(probe_array[i].name, - probe_array[i].format, - probe_array[i].probe_func, &probe_array[i]); - if (result) - printk(KERN_INFO "Unable to register probe %s\n", - probe_array[i].name); - } - return 0; -} - -static void __exit probe_fini(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(probe_array); i++) - marker_probe_unregister(probe_array[i].name, - probe_array[i].probe_func, &probe_array[i]); - printk(KERN_INFO "Number of event b : %u\n", - atomic_read(&eventb_count)); - marker_synchronize_unregister(); -} - -module_init(probe_init); -module_exit(probe_fini); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Mathieu Desnoyers"); -MODULE_DESCRIPTION("SUBSYSTEM Probe"); -- cgit v1.2.3-59-g8ed1b