X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=probes%2Flttng-kprobes.c;h=6d2038e71d5f3244963b979297f141895605e2cc;hb=65588676803c0e9217f697711c1cc6df3caeff4f;hp=4398dc6d8f811f68c06abb4fcc587f3dcd446583;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;p=lttng-modules.git diff --git a/probes/lttng-kprobes.c b/probes/lttng-kprobes.c index 4398dc6d..6d2038e7 100644 --- a/probes/lttng-kprobes.c +++ b/probes/lttng-kprobes.c @@ -23,29 +23,35 @@ #include #include #include -#include "../lttng-events.h" -#include "../wrapper/ringbuffer/frontend_types.h" -#include "../wrapper/vmalloc.h" -#include "../lttng-tracer.h" +#include +#include +#include +#include +#include +#include static int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs) { struct lttng_event *event = container_of(p, struct lttng_event, u.kprobe.kp); + struct lttng_probe_ctx lttng_probe_ctx = { + .event = event, + .interruptible = !lttng_regs_irqs_disabled(regs), + }; struct lttng_channel *chan = event->chan; struct lib_ring_buffer_ctx ctx; int ret; unsigned long data = (unsigned long) p->addr; - if (unlikely(!ACCESS_ONCE(chan->session->active))) + if (unlikely(!READ_ONCE(chan->session->active))) return 0; - if (unlikely(!ACCESS_ONCE(chan->enabled))) + if (unlikely(!READ_ONCE(chan->enabled))) return 0; - if (unlikely(!ACCESS_ONCE(event->enabled))) + if (unlikely(!READ_ONCE(event->enabled))) return 0; - lib_ring_buffer_ctx_init(&ctx, chan->chan, event, sizeof(data), + lib_ring_buffer_ctx_init(&ctx, chan->chan, <tng_probe_ctx, sizeof(data), lttng_alignof(data), -1); ret = chan->ops->event_reserve(&ctx, event->id); if (ret < 0) @@ -85,7 +91,7 @@ int lttng_create_kprobe_event(const char *name, struct lttng_event *event) field->type.atype = atype_integer; field->type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT; field->type.u.basic.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT; - field->type.u.basic.integer.signedness = is_signed_type(unsigned long); + field->type.u.basic.integer.signedness = lttng_is_signed_type(unsigned long); field->type.u.basic.integer.reverse_byte_order = 0; field->type.u.basic.integer.base = 16; field->type.u.basic.integer.encoding = lttng_encode_none; @@ -175,3 +181,7 @@ EXPORT_SYMBOL_GPL(lttng_kprobes_destroy_private); MODULE_LICENSE("GPL and additional rights"); MODULE_AUTHOR("Mathieu Desnoyers"); MODULE_DESCRIPTION("Linux Trace Toolkit Kprobes Support"); +MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "." + __stringify(LTTNG_MODULES_MINOR_VERSION) "." + __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION) + LTTNG_MODULES_EXTRAVERSION);