Generate metadata in client-side

rmeena840 · Aug 7, 2019 · 1e07b1e · 1e07b1e
1 parent 6eb069c
commit 1e07b1e
Showing 1 changed file with 111 additions and 1 deletion.
diff --git a/misc/record/record-main.c b/misc/record/record-main.c
@@ -110,7 +110,6 @@ typedef struct switch_event{
 typedef struct switch_out_int{
   uint64_t                     ns;
   uint64_t                     out_data;
-  uint64_t                     in_data;
   int64_t                      prev_state;
 } __attribute__((__packed__)) switch_out_int;
 
@@ -423,6 +422,115 @@ static rtems_record_client_status handler(
   return RTEMS_RECORD_CLIENT_SUCCESS;
 }
 
+void generate_metadata(){
+  FILE *metadata = fopen("metadata","w");
+  assert( metadata !=  NULL );
+
+  fprintf(metadata, "/* CTF 1.8 */\n\n");
+  fprintf(metadata, "typealias integer { size = 5; align = 1; signed = false; } := uint5_t;\
+  \ntypealias integer { size = 8; align = 8; signed = false; } := uint8_t;\
+  \ntypealias integer { size = 32; align = 8; signed = false; } := uint32_t;\
+  \ntypealias integer { size = 64; align = 8; signed = false; } := uint64_t;\
+  \ntypealias integer { size = 64; align = 8; signed = false; } := unsigned long;\n\n"
+  );
+
+  fprintf(metadata, "trace {\
+  \n\tmajor = 1;\
+  \n\tminor = 8;\
+  \n\tuuid = \"6a7715d0-b502-4c65-8678-6777ac7f755a\";\
+  \n\tbyte_order = le;\
+  \n\tpacket.header := struct {\
+  \n\t\tuint32_t magic;\
+  \n\t\tuint8_t  uuid[16];\
+  \n\t\tuint32_t stream_id;\
+  \n\t\tuint64_t stream_instance_id;\
+  \n\t};\
+  \n};\n\n");
+
+  fprintf(metadata, "env {\
+  \n\thostname = \"Record_Item\";\
+  \n\tdomain = \"kernel\";\
+  \n\tsysname = \"Linux\";\
+  \n\tkernel_release = \"4.18.14-arch1-1-ARCH\";\
+  \n\tkernel_version = \"#1 SMP PREEMPT Sat Thu 17 13:42:37 UTC 2019\";\
+  \n\ttracer_name = \"lttng-modules\";\
+  \n\ttracer_major = 2;\
+  \n\ttracer_minor = 11;\
+  \n\ttracer_patchlevel = 0;\
+  \n};\n\n");
+
+  fprintf(metadata, "clock {\
+  \n\tname = \"monotonic\";\
+  \n\tuuid = \"234d669d-7651-4bc1-a7fd-af581ecc6232\";\
+  \n\tdescription = \"Monotonic Clock\";\
+  \n\tfreq = 1000000000;\
+  \n\toffset = 1539783991179109789;\
+  \n};\n\n");
+
+  fprintf(metadata, "typealias integer {\
+  \n\tsize = 27; align = 1; signed = false;\
+  \n\tmap = clock.monotonic.value;\
+  \n} := uint27_clock_monotonic_t;\
+  \n\n");
+
+  fprintf(metadata, "typealias integer {\
+  \n\tsize = 64; align = 8; signed = false;\
+  \n\tmap = clock.monotonic.value;\
+  \n} := uint64_clock_monotonic_t;\
+  \n\n");
+
+  fprintf(metadata, "struct packet_context {\
+  \n\tuint64_clock_monotonic_t timestamp_begin;\
+  \n\tuint64_clock_monotonic_t timestamp_end;\
+  \n\tuint64_t content_size;\
+  \n\tuint64_t packet_size;\
+  \n\tuint64_t packet_seq_num;\
+  \n\tunsigned long events_discarded;\
+  \n\tuint32_t cpu_id;\
+  \n};\
+  \n\n");
+
+  fprintf(metadata, "struct event_header_compact {\
+  \n\tenum : uint5_t { compact = 0 ... 30, extended = 31 } id;\
+  \n\tvariant <id> {\
+  \n\t\tstruct {\
+  \n\t\t\tuint27_clock_monotonic_t timestamp;\
+  \n\t\t} compact;\
+  \n\t\tstruct {\
+  \n\t\t\tuint32_t id;\
+  \n\t\t\tuint64_clock_monotonic_t timestamp;\
+  \n\t\t} extended;\
+  \n\t} v;\
+  \n} align(8);\
+  \n\n");
+
+  fprintf(metadata, "stream {\
+  \n\tid = 0;\
+  \n\tevent.header := struct event_header_compact;\
+  \n\tpacket.context := struct packet_context;\
+  \n};\
+  \n\n");
+
+  fprintf(metadata, "event {\
+  \n\tname = \"sched_switch\";\
+  \n\tid = 0;\
+  \n\tstream_id = 0;\
+  \n\tfields := struct {\
+  \n\t\tinteger { size = 8; align = 8; signed = 0; encoding = UTF8; base = 10;} _prev_comm[16];\
+  \n\t\tinteger { size = 32; align = 8; signed = 1; encoding = none; base = 10; } _prev_tid;\
+  \n\t\tinteger { size = 32; align = 8; signed = 1; encoding = none; base = 10; } _prev_prio;\
+  \n\t\tinteger { size = 64; align = 8; signed = 1; encoding = none; base = 10; } _prev_state;\
+  \n\t\tinteger { size = 8; align = 8; signed = 0; encoding = UTF8; base = 10; } _next_comm[16];\
+  \n\t\tinteger { size = 32; align = 8; signed = 1; encoding = none; base = 10; } _next_tid;\
+  \n\t\tinteger { size = 32; align = 8; signed = 1; encoding = none; base = 10; } _next_prio;\
+  \n\t};\
+  \n};\
+  \n");
+
+  fclose( metadata );
+
+}
+
 int main( int argc, char **argv )
 {
   rtems_record_client_context ctx;
@@ -492,6 +600,8 @@ int main( int argc, char **argv )
 
   memcpy( ctf_packet_header.uuid, uuid, sizeof( ctf_packet_header.uuid ) );
 
+  generate_metadata();
+
   FILE *event_streams[ RTEMS_RECORD_CLIENT_MAXIMUM_CPU_COUNT ];
 
   for( i = 0; i < RTEMS_RECORD_CLIENT_MAXIMUM_CPU_COUNT ; i++ ) {