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authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:09:09 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /samples
parentdca2d6ac09d9ef59ff46820d4f0c94b08a671202 (diff)
parentf39cdf25bf77219676ec5360980ac40b1a7e144a (diff)
downloadlinux-2.6.38-lt-ux500-0f8f86c7bdd1c954fbe153af437a0d91a6c5721a.tar.gz
Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'samples')
-rw-r--r--samples/Kconfig6
-rw-r--r--samples/Makefile4
-rw-r--r--samples/markers/Makefile4
-rw-r--r--samples/markers/marker-example.c53
-rw-r--r--samples/markers/probe-example.c92
-rw-r--r--samples/trace_events/trace-events-sample.h2
-rw-r--r--samples/tracepoints/tracepoint-sample.c2
7 files changed, 4 insertions, 159 deletions
diff --git a/samples/Kconfig b/samples/Kconfig
index 17d64ba7864..e4be84ac3d3 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -7,12 +7,6 @@ menuconfig SAMPLES
if SAMPLES
-config SAMPLE_MARKERS
- tristate "Build markers examples -- loadable modules only"
- depends on MARKERS && m
- help
- This build markers example modules.
-
config SAMPLE_TRACEPOINTS
tristate "Build tracepoints examples -- loadable modules only"
depends on TRACEPOINTS && m
diff --git a/samples/Makefile b/samples/Makefile
index 42e17559877..0f15e6d77fd 100644
--- a/samples/Makefile
+++ b/samples/Makefile
@@ -1,4 +1,4 @@
# Makefile for Linux samples code
-obj-$(CONFIG_SAMPLES) += markers/ kobject/ kprobes/ tracepoints/ \
- trace_events/ hw_breakpoint/
+obj-$(CONFIG_SAMPLES) += kobject/ kprobes/ tracepoints/ trace_events/ \
+ hw_breakpoint/
diff --git a/samples/markers/Makefile b/samples/markers/Makefile
deleted file mode 100644
index 6d7231265f0..00000000000
--- a/samples/markers/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-# builds the kprobes example kernel modules;
-# then to use one (as root): insmod <module_name.ko>
-
-obj-$(CONFIG_SAMPLE_MARKERS) += probe-example.o marker-example.o
diff --git a/samples/markers/marker-example.c b/samples/markers/marker-example.c
deleted file mode 100644
index e9cd9c0bc84..00000000000
--- a/samples/markers/marker-example.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/* marker-example.c
- *
- * Executes a marker when /proc/marker-example is opened.
- *
- * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-
-struct proc_dir_entry *pentry_example;
-
-static int my_open(struct inode *inode, struct file *file)
-{
- int i;
-
- trace_mark(subsystem_event, "integer %d string %s", 123,
- "example string");
- for (i = 0; i < 10; i++)
- trace_mark(subsystem_eventb, MARK_NOARGS);
- return -EPERM;
-}
-
-static struct file_operations mark_ops = {
- .open = my_open,
-};
-
-static int __init example_init(void)
-{
- printk(KERN_ALERT "example init\n");
- pentry_example = proc_create("marker-example", 0444, NULL, &mark_ops);
- if (!pentry_example)
- return -EPERM;
- return 0;
-}
-
-static void __exit example_exit(void)
-{
- printk(KERN_ALERT "example exit\n");
- remove_proc_entry("marker-example", NULL);
-}
-
-module_init(example_init)
-module_exit(example_exit)
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Marker example");
diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c
deleted file mode 100644
index 2dfb3b32937..00000000000
--- 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 <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <asm/atomic.h>
-
-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");
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index f24ae370e51..6af373236d7 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -1,6 +1,6 @@
/*
* If TRACE_SYSTEM is defined, that will be the directory created
- * in the ftrace directory under /debugfs/tracing/events/<system>
+ * in the ftrace directory under /sys/kernel/debug/tracing/events/<system>
*
* The define_trace.h below will also look for a file name of
* TRACE_SYSTEM.h where TRACE_SYSTEM is what is defined here.
diff --git a/samples/tracepoints/tracepoint-sample.c b/samples/tracepoints/tracepoint-sample.c
index 9cf80a11e8b..26fab33ffa8 100644
--- a/samples/tracepoints/tracepoint-sample.c
+++ b/samples/tracepoints/tracepoint-sample.c
@@ -28,7 +28,7 @@ static int my_open(struct inode *inode, struct file *file)
return -EPERM;
}
-static struct file_operations mark_ops = {
+static const struct file_operations mark_ops = {
.open = my_open,
};