X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-events.c;h=7a1be7295a7ef33d1e61f692d9a2926c0ed03d77;hb=a605814333fe405404f42d5e5de51db234a538fe;hp=2fedbea59202df8da309a6b24fb348b37db1092c;hpb=57be518d19d7c433f79c57cd7815160110ac19c2;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index 2fedbea5..7a1be729 100644
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -292,7 +292,7 @@ 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
@@ -815,7 +815,7 @@ 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"
+		"	unsigned long events_discarded;\n"
 		"	uint32_t content_size;\n"
 		"	uint32_t packet_size;\n"
 		"	uint32_t cpu_id;\n"
@@ -903,6 +903,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 	unsigned char uuid_s[37], clock_uuid_s[BOOT_ID_LEN];
 	struct lttng_channel *chan;
 	struct lttng_event *event;
+	char hostname[__NEW_UTS_LEN + 1];
 	int ret = 0;
 
 	if (!ACCESS_ONCE(session->active))
@@ -926,6 +927,7 @@ 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 +946,8 @@ 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,
@@ -956,8 +960,14 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 	if (ret)
 		goto end;
 
+	rcu_read_lock();
+	memcpy(hostname, task_nsproxy(current)->uts_ns->name.nodename,
+		sizeof(hostname));
+	rcu_read_unlock();
+
 	ret = lttng_metadata_printf(session,
 		"env {\n"
+		"	hostname = \"%s\";\n"
 		"	domain = \"kernel\";\n"
 		"	sysname = \"%s\";\n"
 		"	kernel_release = \"%s\";\n"
@@ -967,6 +977,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 		"	tracer_minor = %d;\n"
 		"	tracer_patchlevel = %d;\n"
 		"};\n\n",
+		hostname,
 		utsname()->sysname,
 		utsname()->release,
 		utsname()->version,