diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/markers/probe-example.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c index a36797535615..c8e099d4d1fd 100644 --- a/samples/markers/probe-example.c +++ b/samples/markers/probe-example.c | |||
| @@ -20,31 +20,27 @@ struct probe_data { | |||
| 20 | marker_probe_func *probe_func; | 20 | marker_probe_func *probe_func; |
| 21 | }; | 21 | }; |
| 22 | 22 | ||
| 23 | void probe_subsystem_event(const struct marker *mdata, void *private, | 23 | void probe_subsystem_event(void *probe_data, void *call_data, |
| 24 | const char *format, ...) | 24 | const char *format, va_list *args) |
| 25 | { | 25 | { |
| 26 | va_list ap; | ||
| 27 | /* Declare args */ | 26 | /* Declare args */ |
| 28 | unsigned int value; | 27 | unsigned int value; |
| 29 | const char *mystr; | 28 | const char *mystr; |
| 30 | 29 | ||
| 31 | /* Assign args */ | 30 | /* Assign args */ |
| 32 | va_start(ap, format); | 31 | value = va_arg(*args, typeof(value)); |
| 33 | value = va_arg(ap, typeof(value)); | 32 | mystr = va_arg(*args, typeof(mystr)); |
| 34 | mystr = va_arg(ap, typeof(mystr)); | ||
| 35 | 33 | ||
| 36 | /* Call printk */ | 34 | /* Call printk */ |
| 37 | printk(KERN_DEBUG "Value %u, string %s\n", value, mystr); | 35 | printk(KERN_INFO "Value %u, string %s\n", value, mystr); |
| 38 | 36 | ||
| 39 | /* or count, check rights, serialize data in a buffer */ | 37 | /* or count, check rights, serialize data in a buffer */ |
| 40 | |||
| 41 | va_end(ap); | ||
| 42 | } | 38 | } |
| 43 | 39 | ||
| 44 | atomic_t eventb_count = ATOMIC_INIT(0); | 40 | atomic_t eventb_count = ATOMIC_INIT(0); |
| 45 | 41 | ||
| 46 | void probe_subsystem_eventb(const struct marker *mdata, void *private, | 42 | void probe_subsystem_eventb(void *probe_data, void *call_data, |
| 47 | const char *format, ...) | 43 | const char *format, va_list *args) |
| 48 | { | 44 | { |
| 49 | /* Increment counter */ | 45 | /* Increment counter */ |
| 50 | atomic_inc(&eventb_count); | 46 | atomic_inc(&eventb_count); |
| @@ -72,10 +68,6 @@ static int __init probe_init(void) | |||
| 72 | if (result) | 68 | if (result) |
| 73 | printk(KERN_INFO "Unable to register probe %s\n", | 69 | printk(KERN_INFO "Unable to register probe %s\n", |
| 74 | probe_array[i].name); | 70 | probe_array[i].name); |
| 75 | result = marker_arm(probe_array[i].name); | ||
| 76 | if (result) | ||
| 77 | printk(KERN_INFO "Unable to arm probe %s\n", | ||
| 78 | probe_array[i].name); | ||
| 79 | } | 71 | } |
| 80 | return 0; | 72 | return 0; |
| 81 | } | 73 | } |
| @@ -85,7 +77,8 @@ static void __exit probe_fini(void) | |||
| 85 | int i; | 77 | int i; |
| 86 | 78 | ||
| 87 | for (i = 0; i < ARRAY_SIZE(probe_array); i++) | 79 | for (i = 0; i < ARRAY_SIZE(probe_array); i++) |
| 88 | marker_probe_unregister(probe_array[i].name); | 80 | marker_probe_unregister(probe_array[i].name, |
| 81 | probe_array[i].probe_func, &probe_array[i]); | ||
| 89 | printk(KERN_INFO "Number of event b : %u\n", | 82 | printk(KERN_INFO "Number of event b : %u\n", |
| 90 | atomic_read(&eventb_count)); | 83 | atomic_read(&eventb_count)); |
| 91 | } | 84 | } |
