X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=samples%2Fmarkers%2Fprobe-example.c;h=2dfb3b32937e03e7621c30212bdc12880f4c7467;hb=d1b268630875a7713b5d468a0c03403c5b721c8e;hp=238b2e384fc84187e7c7d63143c02a5cb42992ce;hpb=c4ec20717313daafba59225f812db89595952b83;p=linux-2.6-omap-h63xx.git diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c index 238b2e384fc..2dfb3b32937 100644 --- a/samples/markers/probe-example.c +++ b/samples/markers/probe-example.c @@ -20,31 +20,27 @@ struct probe_data { marker_probe_func *probe_func; }; -void probe_subsystem_event(const struct marker *mdata, void *private, - const char *format, ...) +void probe_subsystem_event(void *probe_data, void *call_data, + const char *format, va_list *args) { - va_list ap; /* Declare args */ unsigned int value; const char *mystr; /* Assign args */ - va_start(ap, format); - value = va_arg(ap, typeof(value)); - mystr = va_arg(ap, typeof(mystr)); + value = va_arg(*args, typeof(value)); + mystr = va_arg(*args, typeof(mystr)); /* Call printk */ - printk(KERN_DEBUG "Value %u, string %s\n", value, mystr); + printk(KERN_INFO "Value %u, string %s\n", value, mystr); /* or count, check rights, serialize data in a buffer */ - - va_end(ap); } atomic_t eventb_count = ATOMIC_INIT(0); -void probe_subsystem_eventb(const struct marker *mdata, void *private, - const char *format, ...) +void probe_subsystem_eventb(void *probe_data, void *call_data, + const char *format, va_list *args) { /* Increment counter */ atomic_inc(&eventb_count); @@ -53,7 +49,7 @@ void probe_subsystem_eventb(const struct marker *mdata, void *private, static struct probe_data probe_array[] = { { .name = "subsystem_event", - .format = "%d %s", + .format = "integer %d string %s", .probe_func = probe_subsystem_event }, { .name = "subsystem_eventb", .format = MARK_NOARGS, @@ -72,10 +68,6 @@ static int __init probe_init(void) if (result) printk(KERN_INFO "Unable to register probe %s\n", probe_array[i].name); - result = marker_arm(probe_array[i].name); - if (result) - printk(KERN_INFO "Unable to arm probe %s\n", - probe_array[i].name); } return 0; } @@ -85,9 +77,11 @@ static void __exit probe_fini(void) int i; for (i = 0; i < ARRAY_SIZE(probe_array); i++) - marker_probe_unregister(probe_array[i].name); + 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);