X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.c;h=f19c7d9060e0d760ca68cd84b2a24d8bb8a50311;hb=9979c1f7cf74db73e7cf182f3b29dbbfecf9427a;hp=2fedbea59202df8da309a6b24fb348b37db1092c;hpb=57be518d19d7c433f79c57cd7815160110ac19c2;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index 2fedbea5..f19c7d90 100644
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -30,8 +30,11 @@
 #include "wrapper/uuid.h"
 #include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
 #include "wrapper/random.h"
+#include "wrapper/tracepoint.h"
+#include "lttng-kernel-version.h"
 #include "lttng-events.h"
 #include "lttng-tracer.h"
+#include "lttng-abi-old.h"
 
 static LIST_HEAD(sessions);
 static LIST_HEAD(lttng_transport_list);
@@ -51,9 +54,15 @@ int _lttng_session_metadata_statedump(struct lttng_session *session);
 void synchronize_trace(void)
 {
 	synchronize_sched();
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
+#ifdef CONFIG_PREEMPT_RT_FULL
+	synchronize_rcu();
+#endif
+#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
 #ifdef CONFIG_PREEMPT_RT
 	synchronize_rcu();
 #endif
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) */
 }
 
 struct lttng_session *lttng_session_create(void)
@@ -292,7 +301,7 @@ struct lttng_event *lttng_event_create(struct lttng_channel *chan,
 	int ret;
 
 	mutex_lock(&sessions_mutex);
-	if (chan->free_event_id == -1UL)
+	if (chan->free_event_id == -1U)
 		goto full;
 	/*
 	 * This is O(n^2) (for each event, the loop is called at event
@@ -316,7 +325,7 @@ struct lttng_event *lttng_event_create(struct lttng_channel *chan,
 		event->desc = lttng_event_get(event_param->name);
 		if (!event->desc)
 			goto register_error;
-		ret = tracepoint_probe_register(event_param->name,
+		ret = kabi_2635_tracepoint_probe_register(event_param->name,
 				event->desc->probe_callback,
 				event);
 		if (ret)
@@ -392,6 +401,7 @@ struct lttng_event *lttng_event_create(struct lttng_channel *chan,
 		break;
 	default:
 		WARN_ON_ONCE(1);
+		goto register_error;
 	}
 	ret = _lttng_event_metadata_statedump(chan->session, chan, event);
 	if (ret)
@@ -420,7 +430,7 @@ int _lttng_event_unregister(struct lttng_event *event)
 
 	switch (event->instrumentation) {
 	case LTTNG_KERNEL_TRACEPOINT:
-		ret = tracepoint_probe_unregister(event->desc->name,
+		ret = kabi_2635_tracepoint_probe_unregister(event->desc->name,
 						  event->desc->probe_callback,
 						  event);
 		if (ret)
@@ -815,9 +825,9 @@ int _lttng_stream_packet_context_declare(struct lttng_session *session)
 		"struct packet_context {\n"
 		"	uint64_clock_monotonic_t timestamp_begin;\n"
 		"	uint64_clock_monotonic_t timestamp_end;\n"
-		"	uint32_t events_discarded;\n"
-		"	uint32_t content_size;\n"
-		"	uint32_t packet_size;\n"
+		"	uint64_t content_size;\n"
+		"	uint64_t packet_size;\n"
+		"	unsigned long events_discarded;\n"
 		"	uint32_t cpu_id;\n"
 		"};\n\n"
 		);
@@ -926,6 +936,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 		"typealias integer { size = 16; align = %u; signed = false; } := uint16_t;\n"
 		"typealias integer { size = 32; align = %u; signed = false; } := uint32_t;\n"
 		"typealias integer { size = 64; align = %u; signed = false; } := uint64_t;\n"
+		"typealias integer { size = %u; align = %u; signed = false; } := unsigned long;\n"
 		"typealias integer { size = 5; align = 1; signed = false; } := uint5_t;\n"
 		"typealias integer { size = 27; align = 1; signed = false; } := uint27_t;\n"
 		"\n"
@@ -944,6 +955,8 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 		lttng_alignof(uint16_t) * CHAR_BIT,
 		lttng_alignof(uint32_t) * CHAR_BIT,
 		lttng_alignof(uint64_t) * CHAR_BIT,
+		sizeof(unsigned long) * CHAR_BIT,
+		lttng_alignof(unsigned long) * CHAR_BIT,
 		CTF_SPEC_MAJOR,
 		CTF_SPEC_MINOR,
 		uuid_s,
@@ -958,6 +971,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 
 	ret = lttng_metadata_printf(session,
 		"env {\n"
+		"	hostname = \"%s\";\n"
 		"	domain = \"kernel\";\n"
 		"	sysname = \"%s\";\n"
 		"	kernel_release = \"%s\";\n"
@@ -967,6 +981,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 		"	tracer_minor = %d;\n"
 		"	tracer_patchlevel = %d;\n"
 		"};\n\n",
+		current->nsproxy->uts_ns->name.nodename,
 		utsname()->sysname,
 		utsname()->release,
 		utsname()->version,