#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include <linux/errno.h>
-
+#include <assert.h>
#include "parser.h"
#include "genevent.h"
+#define max(a,b) ((a)<(b))?(b):(a)
+
/* Named types may be referenced from anywhere */
facility * fac;
+unsigned alignment = 0;
+
int main(int argc, char** argv)
{
char *token;
if(argc < 2){
printf("At least one event definition file is needed\n");
+ printf("You may specify the default alignment for a facility with\n");
+ printf(" -a x , where x is the desired alignment in bytes.\n");
+ printf("The alignment value will affect all the following xml files.\n");
+ printf("i.e. genevent -a 8 core.xml -a 4 kernel.xml is valid.\n");
exit(1);
}
in.error = error_callback;
for(i = 1 ; i < argc ; i++) {
- in.lineno = 0;
- in.name = allocAndCopy(argv[i]);
-
- in.fp = fopen(in.name, "r");
- if(!in.fp ){
- in.error(&in,"cannot open facility input file");
- }
-
- while(1){
- token = getToken(&in);
- if(in.type == ENDFILE) break;
-
- if(strcmp(token, "<")) in.error(&in,"not a facility file");
- token = getName(&in);
-
- if(strcmp("facility",token) == 0) {
- fac = memAlloc(sizeof(facility));
- fac->name = NULL;
- fac->description = NULL;
- sequence_init(&(fac->events));
- table_init(&(fac->named_types));
- sequence_init(&(fac->unnamed_types));
-
- parseFacility(&in, fac);
-
- //check if any namedType is not defined
- checkNamedTypesImplemented(&fac->named_types);
- }else in.error(&in,"facility token was expected");
-
- generateFile(argv[i]);
-
- free(fac->name);
- free(fac->description);
- freeEvents(&fac->events);
- sequence_dispose(&fac->events);
- freeNamedType(&fac->named_types);
- table_dispose(&fac->named_types);
- freeTypes(&fac->unnamed_types);
- sequence_dispose(&fac->unnamed_types);
- free(fac);
- }
-
- free(in.name);
- fclose(in.fp);
+ if(strcmp("-a", argv[i])==0) {
+ if(i >= argc-1) {
+ printf("Error : missing argument to -a\n");
+ exit(1);
+ } else i++;
+ alignment = atoi(argv[i]);
+ } else {
+
+ in.lineno = 0;
+ in.name = allocAndCopy(argv[i]);
+
+ in.fp = fopen(in.name, "r");
+ if(!in.fp ){
+ in.error(&in,"cannot open facility input file");
+ }
+
+ while(1){
+ token = getToken(&in);
+ if(in.type == ENDFILE) break;
+
+ if(strcmp(token, "<")) in.error(&in,"not a facility file");
+ token = getName(&in);
+
+ if(strcmp("facility",token) == 0) {
+ fac = memAlloc(sizeof(facility));
+ fac->name = NULL;
+ fac->description = NULL;
+ sequence_init(&(fac->events));
+ table_init(&(fac->named_types));
+ sequence_init(&(fac->unnamed_types));
+
+ parseFacility(&in, fac);
+
+ //check if any namedType is not defined
+ checkNamedTypesImplemented(&fac->named_types);
+ }
+ else in.error(&in,"facility token was expected");
+
+ generateFile(argv[i]);
+
+ free(fac->name);
+ free(fac->description);
+ freeEvents(&fac->events);
+ sequence_dispose(&fac->events);
+ freeNamedType(&fac->named_types);
+ table_dispose(&fac->named_types);
+ freeTypes(&fac->unnamed_types);
+ sequence_dispose(&fac->unnamed_types);
+ free(fac);
+ }
+
+ free(in.name);
+ fclose(in.fp);
+ }
}
return 0;
}
* name : name of event definition file
****************************************************************************/
void generateFile(char *name){
- char *cName, *hName, *tmp;
- FILE * cFp, *hFp;
+ char *loadName, *hName, *hIdName, *cName, *tmp, *tmp2;
+ FILE * lFp, *hFp, *iFp, *cFp;
int nbEvent;
unsigned long checksum=0;
}else{
tmp = name;
}
-
- cName = appendString(tmp,".c");
- hName = appendString(tmp,".h");
- cFp = fopen(cName,"w");
- if(!cFp){
- printf("Cannot open the file : %s\n",cName);
+
+ loadName = appendString("ltt-facility-loader-", tmp);
+ tmp2 = appendString(loadName,".h");
+ free(loadName);
+ loadName = tmp2;
+ hName = appendString("ltt-facility-", tmp);
+ tmp2 = appendString(hName,".h");
+ free(hName);
+ hName = tmp2;
+ hIdName = appendString("ltt-facility-id-", tmp);
+ tmp2 = appendString(hIdName,".h");
+ free(hIdName);
+ hIdName = tmp2;
+ cName = appendString("ltt-facility-loader-", tmp);
+ tmp2 = appendString(cName,".c");
+ free(cName);
+ cName = tmp2;
+ lFp = fopen(loadName,"w");
+ if(!lFp){
+ printf("Cannot open the file : %s\n",loadName);
exit(1);
}
printf("Cannot open the file : %s\n",hName);
exit(1);
}
+
+ iFp = fopen(hIdName,"w");
+ if(!iFp){
+ printf("Cannot open the file : %s\n",hIdName);
+ exit(1);
+ }
- free(cName);
+ cFp = fopen(cName,"w");
+ if(!cFp){
+ printf("Cannot open the file : %s\n",cName);
+ exit(1);
+ }
+
+ free(loadName);
free(hName);
+ free(hIdName);
+ free(cName);
generateChecksum(fac->name, &checksum, &(fac->events));
/* generate .h file, event enumeration then structures and functions */
- generateEnumEvent(hFp, fac->name, &nbEvent);
- generateStructFunc(hFp, fac->name);
+ fprintf(iFp, "#ifndef _LTT_FACILITY_ID_%s_H_\n",fac->capname);
+ fprintf(iFp, "#define _LTT_FACILITY_ID_%s_H_\n\n",fac->capname);
+ fprintf(iFp, "#ifdef CONFIG_LTT\n");
+ generateEnumEvent(iFp, fac->name, &nbEvent, checksum);
+ fprintf(iFp, "#endif //CONFIG_LTT\n");
+ fprintf(iFp, "#endif //_LTT_FACILITY_ID_%s_H_\n",fac->capname);
+
- /* generate .c file, calls to register the facility at init time */
- generateCfile(cFp,fac->name,nbEvent,checksum);
+ fprintf(hFp, "#ifndef _LTT_FACILITY_%s_H_\n",fac->capname);
+ fprintf(hFp, "#define _LTT_FACILITY_%s_H_\n\n",fac->capname);
+ //fprintf(hFp, "#ifdef CONFIG_LTT\n");
+ generateTypeDefs(hFp, fac->name);
+ generateStructFunc(hFp, fac->name,checksum);
+ //fprintf(hFp, "#endif //CONFIG_LTT\n");
+ fprintf(hFp, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname);
+
+ /* generate .h file, calls to register the facility at init time */
+ generateLoaderfile(lFp,fac->name,nbEvent,checksum,fac->capname);
+
+ // create ltt-facility-loader-facname.c
+ generateCfile(cFp, tmp);
fclose(hFp);
+ fclose(iFp);
+ fclose(lFp);
fclose(cFp);
+
}
*Output Params
* nbEvent : number of events in the facility
****************************************************************************/
-void generateEnumEvent(FILE *fp, char *facName, int * nbEvent) {
+void generateEnumEvent(FILE *fp, char *facName, int * nbEvent, unsigned long checksum) {
int pos = 0;
- //will be removed later
- fprintf(fp,"typedef unsigned int trace_facility_t;\n\n");
- fprintf(fp,"extern int trace_new(trace_facility_t fID, u8 eID, int length, char * buf);\n\n");
-
+ fprintf(fp,"#include <linux/ltt-facilities.h>\n\n");
fprintf(fp,"/**** facility handle ****/\n\n");
- fprintf(fp,"extern trace_facility_t facility_%s;\n\n\n",facName);
+ fprintf(fp,"extern ltt_facility_t ltt_facility_%s_%X;\n",facName, checksum);
+ fprintf(fp,"extern ltt_facility_t ltt_facility_%s;\n\n\n",facName, checksum);
fprintf(fp,"/**** event type ****/\n\n");
fprintf(fp,"enum %s_event {\n",facName);
for(pos = 0; pos < fac->events.position;pos++) {
- fprintf(fp," %s", ((event *)(fac->events.array[pos]))->name);
+ fprintf(fp,"\tevent_%s", ((event *)(fac->events.array[pos]))->name);
if(pos != fac->events.position-1) fprintf(fp,",\n");
}
fprintf(fp,"\n};\n\n\n");
}
+/*****************************************************************************
+ *Function name
+ * printStruct : Generic struct printing function
+ *Input Params
+ * fp : file to be written to
+ * len : number of fields
+ * array : array of field info
+ * name : basic struct name
+ * facName : name of facility
+ * whichTypeFirst : struct or array/sequence first
+ * hasStrSeq : string or sequence present?
+ * structCount : struct postfix
+ ****************************************************************************/
+
+static void
+printStruct(FILE * fp, int len, void ** array, char * name, char * facName,
+ int * whichTypeFirst, int * hasStrSeq, int * structCount,
+ type_descriptor *type)
+{
+ int flag = 0;
+ int pos;
+ field * fld;
+ type_descriptor * td;
+
+ for (pos = 0; pos < len; pos++) {
+ fld = (field *)array[pos];
+ td = fld->type;
+ if( td->type == STRING || td->type == SEQUENCE ||
+ td->type == ARRAY) {
+ (*hasStrSeq)++;
+ }
+// if (*whichTypeFirst == 0) {
+// *whichTypeFirst = 1; //struct first
+// }
+ if (flag == 0) {
+ flag = 1;
+
+ fprintf(fp,"struct %s_%s",name, facName);
+ if (structCount) {
+ fprintf(fp, "_%d {\n",++*structCount);
+ } else {
+ fprintf(fp, " {\n");
+ }
+ }
+ fprintf(fp, "\t%s %s; /* %s */\n",
+ getTypeStr(td),fld->name,fld->description );
+#if 0
+ } else {
+ if (*whichTypeFirst == 0) {
+ //string or sequence or array first
+ *whichTypeFirst = 2;
+ }
+ (*hasStrSeq)++;
+ if(flag) {
+ fprintf(fp,"} __attribute__ ((packed));\n\n");
+ }
+ flag = 0;
+ }
+#endif //0
+ }
+
+ if(flag) {
+ unsigned align = max(alignment, type->alignment);
+
+ if(align == 0)
+ fprintf(fp,"} __attribute__ ((packed));\n\n");
+ else {
+ if(align != 1 && align != 2
+ && align != 4 && align != 8) {
+ printf("Wrong alignment %i, using packed.\n", align);
+ fprintf(fp,"} __attribute__ ((packed));\n\n");
+ } else
+ fprintf(fp,"} __attribute__ ((aligned(%i)));\n\n", align);
+ }
+ }
+}
+
+
+/*****************************************************************************
+ *Function name
+ * generateHfile : Create the typedefs
+ *Input Params
+ * fp : file to be written to
+ ****************************************************************************/
+void
+generateTypeDefs(FILE * fp, char *facName)
+{
+ int pos, tmp = 1;
+
+ fprintf(fp,"#include <linux/types.h>\n");
+ fprintf(fp,"#include <linux/spinlock.h>\n");
+ fprintf(fp,"#include <linux/ltt/ltt-facility-id-%s.h>\n\n", facName);
+ fprintf(fp,"#include <linux/ltt-core.h>\n");
+
+#if 0 //broken
+ fprintf(fp, "/**** Basic Type Definitions ****/\n\n");
+
+ for (pos = 0; pos < fac->named_types.values.position; pos++) {
+ type_descriptor * type =
+ (type_descriptor*)fac->named_types.values.array[pos];
+ printStruct(fp, type->fields.position, type->fields.array,
+ "", type->type_name, &tmp, &tmp, NULL);
+ fprintf(fp, "typedef struct _%s %s;\n\n",
+ type->type_name, type->type_name);
+ }
+#endif //0
+}
+
+
/*****************************************************************************
*Function name
* generateEnumDefinition: generate enum definition if it exists
void generateEnumDefinition(FILE * fp, type_descriptor * type){
int pos;
+ if(type->already_printed) return;
+
fprintf(fp,"enum {\n");
for(pos = 0; pos < type->labels.position; pos++){
- fprintf(fp," %s", type->labels.array[pos]);
- if (pos != type->labels.position - 1) fprintf(fp,",\n");
+ fprintf(fp,"\tLTT_ENUM_%s", type->labels.array[pos]);
+ if (pos != type->labels.position - 1) fprintf(fp,",");
+ if(type->labels_description.array[pos] != NULL)
+ fprintf(fp,"\t/* %s */\n",type->labels_description.array[pos]);
+ else
+ fprintf(fp,"\n");
}
- fprintf(fp,"\n};\n\n\n");
+ fprintf(fp,"};\n\n\n");
+
+ type->already_printed = 1;
}
/*****************************************************************************
* fp : file to be written to
* facName : name of facility
****************************************************************************/
-void generateStructFunc(FILE * fp, char * facName){
+void generateStructFunc(FILE * fp, char * facName, unsigned long checksum){
event * ev;
field * fld;
type_descriptor * td;
for(pos = 0; pos < fac->events.position; pos++){
ev = (event *) fac->events.array[pos];
//yxx if(ev->nested)continue;
- fprintf(fp,"/**** structure and trace function for event: %s ****/\n\n",ev->name);
- if(ev->type == 0){ // event without type
- fprintf(fp,"static inline void trace_%s_%s(void){\n",facName,ev->name);
- fprintf(fp," trace_new(facility_%s, %s, 0, NULL);\n",facName,ev->name);
- fprintf(fp,"};\n\n\n");
- continue;
- }
+ fprintf(fp,"/**** structure and trace function for event: %s ****/\n\n",
+ ev->name);
+ //if(ev->type == 0){ // event without type
+ // fprintf(fp,"static inline void trace_%s_%s(void){\n",facName,ev->name);
+ // fprintf(fp,"\tltt_log_event(ltt_facility_%s_%X, event_%s, 0, NULL);\n",
+ // facName,checksum,ev->name);
+ // fprintf(fp,"};\n\n\n");
+ // continue;
+ //}
//if fields contain enum, print out enum definition
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- if(fld->type->type == ENUM) generateEnumDefinition(fp, fld->type);
- }
+ //MD : fixed in generateEnumDefinition to do not print the same enum
+ //twice.
+ if(ev->type != 0)
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ if(fld->type->type == ENUM) generateEnumDefinition(fp, fld->type);
+ }
//default: no string, array or sequence in the event
hasStrSeq = 0;
whichTypeFirst = 0;
-
- //structure for kernel
- flag = 0;
structCount = 0;
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- td = fld->type;
- if( td->type != STRING && td->type != SEQUENCE && td->type != ARRAY){
- if(whichTypeFirst == 0) whichTypeFirst = 1; //struct first
- if(flag == 0){
- flag = 1;
- fprintf(fp,"struct %s_%s_%d{\n",ev->name,facName,++structCount);
- }
- fprintf(fp, " %s %s; /* %s */\n",getTypeStr(td),fld->name,fld->description );
- }else{
- if(whichTypeFirst == 0) whichTypeFirst = 2; //string or sequence or array first
- hasStrSeq++;
- if(flag)
- fprintf(fp,"} __attribute__ ((packed));\n\n");
- flag = 0;
- }
- }
- if(flag)
- fprintf(fp,"} __attribute__ ((packed));\n\n");
+
+ //structure for kernel
+ if(ev->type != 0)
+ printStruct(fp, ev->type->fields.position, ev->type->fields.array,
+ ev->name, facName, &whichTypeFirst, &hasStrSeq, &structCount,
+ ev->type);
+
+
+ //trace function : function name and parameters : stub function.
+ seqCount = 0;
+ strCount = 0;
+ fprintf(fp, "#ifndef CONFIG_LTT\n");
+ fprintf(fp,"static inline void trace_%s_%s(",facName,ev->name);
+ if(ev->type == 0)
+ fprintf(fp, "void");
+ else
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ td = fld->type;
+ if(td->type == ARRAY ){
+ fprintf(fp,"%s * %s",getTypeStr(td), fld->name);
+ }else if(td->type == STRING){
+ fprintf(fp,"short int strlength_%d, %s * %s",
+ ++strCount, getTypeStr(td), fld->name);
+ }else if(td->type == SEQUENCE){
+ fprintf(fp,"%s seqlength_%d, %s * %s",
+ uintOutputTypes[td->size], ++seqCount,getTypeStr(td), fld->name);
+ }else fprintf(fp,"%s %s",getTypeStr(td), fld->name);
+ if(pos1 != ev->type->fields.position - 1) fprintf(fp,", ");
+ }
+ fprintf(fp,")\n{\n");
+ fprintf(fp,"}\n");
+ fprintf(fp,"#else\n");
//trace function : function name and parameters
seqCount = 0;
strCount = 0;
fprintf(fp,"static inline void trace_%s_%s(",facName,ev->name);
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- td = fld->type;
- if(td->type == ARRAY ){
- fprintf(fp,"%s * %s",getTypeStr(td), fld->name);
- }else if(td->type == STRING){
- fprintf(fp,"short int strLength_%d, %s * %s",++strCount, getTypeStr(td), fld->name);
- }else if(td->type == SEQUENCE){
- fprintf(fp,"%s seqLength_%d, %s * %s",uintOutputTypes[td->size], ++seqCount,getTypeStr(td), fld->name);
- }else fprintf(fp,"%s %s",getTypeStr(td), fld->name);
- if(pos1 != ev->type->fields.position -1)fprintf(fp,", ");
- }
- fprintf(fp,"){\n");
+ if(ev->type == 0)
+ fprintf(fp, "void");
+ else
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ td = fld->type;
+ if(td->type == ARRAY ){
+ fprintf(fp,"%s * %s",getTypeStr(td), fld->name);
+ }else if(td->type == STRING){
+ fprintf(fp,"short int strlength_%d, %s * %s",
+ ++strCount, getTypeStr(td), fld->name);
+ }else if(td->type == SEQUENCE){
+ fprintf(fp,"%s seqlength_%d, %s * %s",
+ uintOutputTypes[td->size], ++seqCount,getTypeStr(td), fld->name);
+ }else fprintf(fp,"%s %s",getTypeStr(td), fld->name);
+ if(pos1 != ev->type->fields.position - 1) fprintf(fp,", ");
+ }
+ fprintf(fp,")\n{\n");
+
+
+
+ //allocate buffer
+ // MD no more need. fprintf(fp,"\tchar buff[buflength];\n");
+ // write directly to the channel
+ fprintf(fp, "\tunsigned int index;\n");
+ fprintf(fp, "\tstruct ltt_channel_struct *channel;\n");
+ fprintf(fp, "\tstruct ltt_trace_struct *trace;\n");
+ fprintf(fp, "\tunsigned long _flags;\n");
+ fprintf(fp, "\tvoid *buff;\n");
+ fprintf(fp, "\tunsigned old_offset;\n");
+ fprintf(fp, "\tunsigned int header_length;\n");
+ fprintf(fp, "\tunsigned int event_length;\n"); // total size (incl hdr)
+ fprintf(fp, "\tunsigned int length;\n"); // Size of the event var data.
+ fprintf(fp, "\tunsigned char _offset;\n");
+ fprintf(fp, "\tstruct rchan_buf *buf;\n");
+ fprintf(fp, "\tstruct timeval delta;\n");
+ fprintf(fp, "\tu64 tsc;\n");
+ fprintf(fp, "\tchar *ptr;\n");
+
+ if(ev->type != 0)
+ fprintf(fp, "\tstruct %s_%s_1* __1;\n\n", ev->name, facName);
+
+ /* Warning : this is done prior to taking locks :
+ * setting this value must be done at the end of the trace activation.
+ * (we don't care for trace removal, as the list of traces is protected : it
+ * just won't iterate on any trace). */
+ fprintf(fp,
+ "\tif(ltt_traces.num_active_traces == 0) return;\n\n");
+
+ fprintf(fp, "\t/* Disable interrupts. */\n");
+ fprintf(fp, "\tlocal_irq_save(_flags);\n");
+ fprintf(fp, "\tpreempt_disable();\n\n");
+
+ fprintf(fp, "\tltt_nesting[smp_processor_id()]++;\n");
+ fprintf(fp, "\tbarrier();\n");
+ fprintf(fp, "\tif(ltt_nesting[smp_processor_id()] > 1) goto unlock;\n");
+ fprintf(fp, "\tspin_lock(<t_traces.locks[smp_processor_id()]);\n\n");
+
+ fprintf(fp,
+ "\tindex = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\
+ "\t\t\t\tevent_%s);\n",
+ facName, checksum, ev->name);
+ fprintf(fp,"\n");
+
+ /* For each trace */
+ fprintf(fp, "\tlist_for_each_entry(trace, <t_traces.head, list) {\n");
+ fprintf(fp, "\t\tif(!trace->active) continue;\n\n");
+
+ //length of buffer : length of all structures
+ // if(ev->type == 0) fprintf(fp, "0");
+
+ fprintf(fp, "\t\tchannel = ltt_get_channel_from_index(trace, index);\n");
+ fprintf(fp, "\t\tbuf = channel->rchan->buf[smp_processor_id()];\n");
+ fprintf(fp, "\n");
+ /* Warning : not atomic reservation : event size depends on the current
+ * address for alignment */
+ /* NOTE : using cmpxchg in reserve with repeat for atomicity */
+ // Replaces _offset
+ /* NOTE2 : as the read old address from memory must come before any
+ * protected event, let's add a memory barrier() to make sure the compiler
+ * will not reorder this read. */
+ fprintf(fp, "\t\tdo {\n");
+ fprintf(fp, "\t\t\told_offset = buf->offset;\n");
+ fprintf(fp, "\t\t\tbarrier();\n");
+ fprintf(fp, "\t\t\tptr = (char*)buf->data + old_offset;\n");
+
+
+ fprintf(fp, "\t\t\theader_length = ltt_get_event_header_data(trace, "
+ "channel,\n"
+ "\t\t\t\t\t\t\t\t\t\tptr, &_offset, &delta, &tsc);\n");
+
+ fprintf(fp, "\t\t\tptr += _offset + header_length;\n");
- //length of buffer : length of all structures
- fprintf(fp," int bufLength = ");
for(pos1=0;pos1<structCount;pos1++){
- fprintf(fp,"sizeof(struct %s_%s_%d)",ev->name, facName,pos1+1);
- if(pos1 != structCount-1) fprintf(fp," + ");
+
+ unsigned align = max(alignment, ev->type->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\t\tptr += (%u - ((unsigned int)ptr&(%u-1)))&(%u-1) ;\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\t\tptr += sizeof(struct %s_%s_%d);\n",ev->name,
+ facName,pos1+1);
+// if(pos1 != structCount-1) fprintf(fp," + ");
}
//length of buffer : length of all arrays, sequences and strings
seqCount = 0;
strCount = 0;
flag = 0;
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- td = fld->type;
- if(td->type == SEQUENCE || td->type==STRING ||td->type==ARRAY){
- if(structCount || flag > 0) fprintf(fp," + ");
- if(td->type == SEQUENCE) fprintf(fp,"sizeof(%s) + sizeof(%s) * seqLength_%d",uintOutputTypes[td->size], getTypeStr(td), ++seqCount);
- else if(td->type==STRING) fprintf(fp,"strLength_%d + 1", ++strCount);
- else if(td->type==ARRAY) fprintf(fp,"sizeof(%s) * %d", getTypeStr(td),td->size);
- if(structCount == 0) flag = 1;
- }
- }
- fprintf(fp,";\n");
+ if(ev->type != 0)
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ td = fld->type;
+ if(td->type == SEQUENCE || td->type==STRING || td->type==ARRAY){
+ if(td->type == SEQUENCE) {
+
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\tptr += sizeof(%s);\n",uintOutputTypes[td->size]);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\tptr += sizeof(%s) * seqlength_%d;\n\n",
+ getTypeStr(td), seqCount);
+
+ } else if(td->type==STRING) {
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\t\tptr += (%u - ((unsigned int)ptr&(%u-1)))&(%u-1)) ;\n",
+ align, align, align);
+ }
+ fprintf(fp,"ptr += strlength_%d + 1;\n",
+ ++strCount);
+ }
+ else if(td->type==ARRAY) {
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\t\tptr += (%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\t\tptr += sizeof(%s) * %d;\n",
+ getTypeStr(td),td->size);
+ if(structCount == 0) flag = 1;
+ }
+ }
+ }
+ fprintf(fp, "\t\t\tevent_length = (unsigned long)ptr -"
+ "(unsigned long)(buf->data + old_offset);\n");
+
+ /* let's put some protection before the cmpxchg : the space reservation and
+ * the get TSC are not dependant from each other. I don't want the compiler
+ * to reorder those in the wrong order. And relay_reserve is inline, so
+ * _yes_, the compiler could mess it up. */
+ fprintf(fp, "\t\t\tbarrier();\n");
+ fprintf(fp, "\t\t\tbuff = relay_reserve(channel->rchan, event_length, "
+ "old_offset);\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\t\t} while(PTR_ERR(buff) == -EAGAIN);\n");
+ fprintf(fp, "\n");
- //allocate buffer
- fprintf(fp," char buff[bufLength];\n");
-
- //declare a char pointer if needed
- if(structCount + hasStrSeq > 1) fprintf(fp," char * ptr = buff;\n");
+
+ /* Reserve the channel */
+ //fprintf(fp, "\t\tbuff = relay_reserve(channel->rchan, event_length);\n");
+ fprintf(fp, "\t\tif(buff == NULL) {\n");
+ fprintf(fp, "\t\t\t/* Buffer is full*/\n");
+ fprintf(fp, "\t\t\t/* for debug BUG(); */\n"); // DEBUG!
+ fprintf(fp, "\t\t\tchannel->events_lost[smp_processor_id()]++;\n");
+ fprintf(fp, "\t\t\tbreak;\n"); /* don't commit a NULL reservation! */
+ fprintf(fp, "\t\t}\n");
+
+ /* DEBUG */
+ //fprintf(fp, "\t\tif(resret == 1) {\n");
+ //fprintf(fp, "printk(\"f%%lu e\%%u \", ltt_facility_%s_%X, event_%s);",
+ // facName, checksum, ev->name);
+ //fprintf(fp, "\t\t}\n");
+
+ /* Write the header */
+ fprintf(fp, "\n");
+ fprintf(fp,"\t\tlength = event_length - _offset - header_length;\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\t\tltt_write_event_header(trace, channel, buff, \n"
+ "\t\t\t\tltt_facility_%s_%X, event_%s, length, _offset,\n"
+ "\t\t\t\t&delta, &tsc);\n",
+ facName, checksum, ev->name);
+ fprintf(fp, "\n");
+
+ if(ev->type != 0)
+ fprintf(fp, "\t\tchar *ptr = (char*)buff + _offset + header_length;\n");
+
+
+ //declare a char pointer if needed : starts at the end of the structs.
+ //if(structCount + hasStrSeq > 1) {
+ // fprintf(fp,"\t\tchar * ptr = (char*)buff + header_length");
+ // for(pos1=0;pos1<structCount;pos1++){
+ // fprintf(fp," + sizeof(struct %s_%s_%d)",ev->name, facName,pos1+1);
+ // }
+ // if(structCount + hasStrSeq > 1) fprintf(fp,";\n");
+ //}
+
+ // Declare an alias pointer of the struct type to the beginning
+ // of the reserved area, just after the event header.
+ if(ev->type != 0) {
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
- //allocate memory for new struct and initialize it
- if(whichTypeFirst == 1){ //struct first
- for(pos1=0;pos1<structCount;pos1++){
- if(pos1==0) fprintf(fp," struct %s_%s_1 * __1 = (struct %s_%s_1 *)buff;\n",ev->name, facName,ev->name, facName);
- else fprintf(fp," struct %s_%s_%d __%d;\n",ev->name, facName,pos1+1,pos1+1);
- }
- }else if(whichTypeFirst == 2){
- for(pos1=0;pos1<structCount;pos1++)
- fprintf(fp," struct %s_%s_%d __%d;\n",ev->name, facName,pos1+1,pos1+1);
+ fprintf(fp, "\t\t__1 = (struct %s_%s_1 *)(ptr);\n",
+ ev->name, facName);
}
+ //allocate memory for new struct and initialize it
+ //if(whichTypeFirst == 1){ //struct first
+ //for(pos1=0;pos1<structCount;pos1++){
+ // if(pos1==0) fprintf(fp,
+ // "\tstruct %s_%s_1 * __1 = (struct %s_%s_1 *)buff;\n",
+ // ev->name, facName,ev->name, facName);
+ //MD disabled else fprintf(fp,
+ // "\tstruct %s_%s_%d __%d;\n",
+ // ev->name, facName,pos1+1,pos1+1);
+ //}
+ //}else if(whichTypeFirst == 2){
+ // for(pos1=0;pos1<structCount;pos1++)
+ // fprintf(fp,"\tstruct %s_%s_%d __%d;\n",
+ // ev->name, facName,pos1+1,pos1+1);
+ //}
fprintf(fp,"\n");
- if(structCount) fprintf(fp," //initialize structs\n");
- flag = 0;
- structCount = 0;
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- td = fld->type;
- if(td->type != ARRAY && td->type != SEQUENCE && td->type != STRING){
- if(flag == 0){
- flag = 1;
- structCount++;
- if(structCount > 1) fprintf(fp,"\n");
- }
- if(structCount == 1 && whichTypeFirst == 1) fprintf(fp, " __1->%s = %s;\n",fld->name,fld->name );
- else fprintf(fp, " __%d.%s = %s;\n",structCount ,fld->name,fld->name);
- }else flag = 0;
- }
+ if(structCount) fprintf(fp,"\t\t//initialize structs\n");
+ //flag = 0;
+ //structCount = 0;
+ if(ev->type != 0)
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ td = fld->type;
+ if(td->type != ARRAY && td->type != SEQUENCE && td->type != STRING){
+ //if(flag == 0){
+ // flag = 1;
+ // structCount++;
+ // if(structCount > 1) fprintf(fp,"\n");
+ //}
+ fprintf(fp, "\t\t__1->%s = %s;\n", fld->name, fld->name );
+
+ //if(structCount == 1 && whichTypeFirst == 1)
+ // fprintf(fp, "\t__1->%s = %s;\n",fld->name,fld->name );
+ //else
+ // fprintf(fp, "\t__%d.%s = %s;\n",structCount ,fld->name,fld->name);
+ }
+ //else flag = 0;
+ }
if(structCount) fprintf(fp,"\n");
-
//set ptr to the end of first struct if needed;
- if(whichTypeFirst == 1 && structCount + hasStrSeq > 1){
- fprintf(fp,"\n //set ptr to the end of the first struct\n");
- fprintf(fp," ptr += sizeof(struct %s_%s_1);\n\n",ev->name, facName);
- }
+ //if(structCount + hasStrSeq > 1){
+ // fprintf(fp,"\n\t\t//set ptr to the end of the first struct\n");
+ // fprintf(fp,"\t\tptr += sizeof(struct %s_%s_1);\n\n",ev->name, facName);
+ //}
//copy struct, sequence and string to buffer
seqCount = 0;
strCount = 0;
flag = 0;
structCount = 0;
- for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
- fld = (field *)ev->type->fields.array[pos1];
- td = fld->type;
- if(td->type != STRING && td->type != SEQUENCE && td->type != ARRAY){
- if(flag == 0) structCount++;
- flag++;
- if((structCount > 1 || whichTypeFirst == 2) && flag == 1){
- fprintf(fp," //copy struct to buffer\n");
- fprintf(fp," memcpy(ptr, &__%d, sizeof(struct %s_%s_%d));\n",structCount, ev->name, facName,structCount);
- fprintf(fp," ptr += sizeof(struct %s_%s_%d);\n\n",ev->name, facName,structCount);
- }
- }else if(td->type == SEQUENCE){
- flag = 0;
- fprintf(fp," //copy sequence length and sequence to buffer\n");
- fprintf(fp," *ptr = seqLength_%d;\n",++seqCount);
- fprintf(fp," ptr += sizeof(%s);\n",uintOutputTypes[td->size]);
- fprintf(fp," memcpy(ptr, %s, sizeof(%s) * seqLength_%d);\n",fld->name, getTypeStr(td), seqCount);
- fprintf(fp," ptr += sizeof(%s) * seqLength_%d;\n\n",getTypeStr(td), seqCount );
- }else if(td->type==STRING){
- flag = 0;
- fprintf(fp," //copy string to buffer\n");
- fprintf(fp," if(strLength_%d > 0){\n",++strCount);
- fprintf(fp," memcpy(ptr, %s, strLength_%d + 1);\n", fld->name, strCount);
- fprintf(fp," ptr += strLength_%d + 1;\n",strCount);
- fprintf(fp," }else{\n");
- fprintf(fp," *ptr = '\\0';\n");
- fprintf(fp," ptr += 1;\n");
- fprintf(fp," }\n\n");
- }else if(td->type==ARRAY){
- flag = 0;
- fprintf(fp," //copy array to buffer\n");
- fprintf(fp," memcpy(ptr, %s, sizeof(%s) * %d);\n", fld->name, getTypeStr(td), td->size);
- fprintf(fp," ptr += sizeof(%s) * %d;\n\n",getTypeStr(td), td->size);
- }
- }
+ if(ev->type != 0)
+ for(pos1 = 0; pos1 < ev->type->fields.position; pos1++){
+ fld = (field *)ev->type->fields.array[pos1];
+ td = fld->type;
+ // if(td->type != STRING && td->type != SEQUENCE && td->type != ARRAY){
+ // if(flag == 0) structCount++;
+ // flag++;
+ // if((structCount > 1 || whichTypeFirst == 2) && flag == 1){
+ // assert(0); // MD : disabled !
+ // fprintf(fp,"\t//copy struct to buffer\n");
+ // fprintf(fp,"\tmemcpy(ptr, &__%d, sizeof(struct %s_%s_%d));\n",
+ // structCount, ev->name, facName,structCount);
+ // fprintf(fp,"\tptr += sizeof(struct %s_%s_%d);\n\n",
+ // ev->name, facName,structCount);
+ // }
+ // }
+ //else if(td->type == SEQUENCE){
+ if(td->type == SEQUENCE){
+ flag = 0;
+ fprintf(fp,"\t\t//copy sequence length and sequence to buffer\n");
+
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\t*ptr = seqlength_%d;\n",++seqCount);
+ fprintf(fp,"\t\tptr += sizeof(%s);\n",uintOutputTypes[td->size]);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\tmemcpy(ptr, %s, sizeof(%s) * seqlength_%d);\n",
+ fld->name, getTypeStr(td), seqCount);
+ fprintf(fp,"\t\tptr += sizeof(%s) * seqlength_%d;\n\n",
+ getTypeStr(td), seqCount);
+ }
+ else if(td->type==STRING){
+ flag = 0;
+ fprintf(fp,"\t\t//copy string to buffer\n");
+ fprintf(fp,"\t\tif(strlength_%d > 0){\n",++strCount);
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\t\t\tmemcpy(ptr, %s, strlength_%d + 1);\n",
+ fld->name, strCount);
+ fprintf(fp,"\t\t\tptr += strlength_%d + 1;\n",strCount);
+ fprintf(fp,"\t\t}else{\n");
+ fprintf(fp,"\t\t\t*ptr = '\\0';\n");
+ fprintf(fp,"\t\t\tptr += 1;\n");
+ fprintf(fp,"\t\t}\n\n");
+ }else if(td->type==ARRAY){
+ flag = 0;
+ fprintf(fp,"\t//copy array to buffer\n");
+ unsigned align = max(alignment, td->alignment);
+ if(align > 1) {
+ fprintf(fp,"\t\tptr+=(%u - ((unsigned int)ptr&(%u-1)))&(%u-1);\n",
+ align, align, align);
+ }
+ fprintf(fp,"\tmemcpy(ptr, %s, sizeof(%s) * %d);\n",
+ fld->name, getTypeStr(td), td->size);
+ fprintf(fp,"\tptr += sizeof(%s) * %d;\n\n", getTypeStr(td), td->size);
+ }
+ }
if(structCount + seqCount > 1) fprintf(fp,"\n");
+ fprintf(fp,"\n");
+ fprintf(fp, "\t\t/* Commit the work */\n");
+ fprintf(fp, "\t\trelay_commit(channel->rchan->buf[smp_processor_id()],\n"
+ "\t\t\t\tbuff, event_length);\n");
+ fprintf(fp, "\t\tltt_write_commit_counter("
+ "channel->rchan->buf[smp_processor_id()],\n"
+ "\t\t\t\tbuff);\n");
+
+ /* End of traces iteration */
+ fprintf(fp, "\t}\n\n");
+
+ fprintf(fp, "\n");
+ // The generated preempt_check_resched is not dangerous because
+ // interrupts are disabled.
+ fprintf(fp, "\tspin_unlock(<t_traces.locks[smp_processor_id()]);\n");
+
+ fprintf(fp, "unlock:\n");
+ fprintf(fp, "\tbarrier();\n");
+ fprintf(fp, "\tltt_nesting[smp_processor_id()]--;\n");
+ fprintf(fp, "\t/* Re-enable interrupts */\n");
+ fprintf(fp, "\tlocal_irq_restore(_flags);\n");
+ fprintf(fp, "\tpreempt_enable_no_resched();\n");
+ //fprintf(fp, "\tpreempt_check_resched();\n");
+
//call trace function
- fprintf(fp,"\n //call trace function\n");
- fprintf(fp," trace_new(facility_%s, %s, bufLength, buff);\n",facName,ev->name);
- fprintf(fp,"};\n\n\n");
+ //fprintf(fp,"\n\t//call trace function\n");
+ //fprintf(fp,"\tltt_log_event(ltt_facility_%s_%X, %s, bufLength, buff);\n",facName,checksum,ev->name);
+ fprintf(fp,"}\n");
+ fprintf(fp, "#endif //CONFIG_LTT\n\n");
}
}
return intOutputTypes[td->size];
case UINT:
return uintOutputTypes[td->size];
+ case POINTER:
+ return "void *";
+ case LONG:
+ return "long";
+ case ULONG:
+ return "unsigned long";
+ case SIZE_T:
+ return "size_t";
+ case SSIZE_T:
+ return "ssize_t";
+ case OFF_T:
+ return "off_t";
case FLOAT:
return floatOutputTypes[td->size];
case STRING:
- return "char";
+ return "const char";
case ENUM:
return uintOutputTypes[td->size];
case ARRAY:
t = td->nested_type;
switch(t->type){
case INT:
- return intOutputTypes[t->size];
+ return intOutputTypes[t->size];
case UINT:
- return uintOutputTypes[t->size];
+ return uintOutputTypes[t->size];
+ case POINTER:
+ return "void *";
+ case LONG:
+ return "long";
+ case ULONG:
+ return "unsigned long";
+ case SIZE_T:
+ return "size_t";
+ case SSIZE_T:
+ return "ssize_t";
+ case OFF_T:
+ return "off_t";
case FLOAT:
- return floatOutputTypes[t->size];
+ return floatOutputTypes[t->size];
case STRING:
- return "char";
+ return "const char";
case ENUM:
- return uintOutputTypes[t->size];
+ return uintOutputTypes[t->size];
default :
- error_callback(NULL,"Nested struct is not supportted");
- break;
+ error_callback(NULL,"Nested struct is not supportted");
+ break;
}
break;
case STRUCT: //for now we do not support nested struct
/*****************************************************************************
*Function name
- * generateCfile : generate a .c file
+ * generateLoaderfile: generate a facility loaded .h file
*Input Params
* fp : file to be written to
* facName : name of facility
* nbEvent : number of events in the facility
* checksum : checksum for the facility
****************************************************************************/
-void generateCfile(FILE * fp, char * facName, int nbEvent, unsigned long checksum){
- //will be removed later
- fprintf(fp,"typedef unsigned int trace_facility_t;\n\n");
-
- fprintf(fp,"static unsigned long checksum = %lu;\n\n",checksum);
- fprintf(fp,"/* facility handle */\n");
- fprintf(fp,"trace_facility_t facility_%s;\n\n",facName);
-
- fprintf(fp,"static void __init facility_%s_init(){\n",facName);
- fprintf(fp," facility_%s = trace_register_facility_by_checksum(\"%s\", checksum,%d);\n",facName,facName,nbEvent);
- fprintf(fp,"}\n\n");
-
- fprintf(fp,"static void __exit facility_%s_exit(){\n",facName);
- fprintf(fp,"}\n\n");
+void generateLoaderfile(FILE * fp, char * facName, int nbEvent, unsigned long checksum, char *capname){
+ fprintf(fp, "#ifndef _LTT_FACILITY_LOADER_%s_H_\n",capname);
+ fprintf(fp, "#define _LTT_FACILITY_LOADER_%s_H_\n\n",capname);
+ fprintf(fp,"#include <linux/ltt-facilities.h>\n", facName, checksum);
+ fprintf(fp,"ltt_facility_t\tltt_facility_%s;\n", facName, checksum);
+ fprintf(fp,"ltt_facility_t\tltt_facility_%s_%X;\n\n", facName, checksum);
+
+ fprintf(fp,"#define LTT_FACILITY_SYMBOL\t\t\t\t\t\t\tltt_facility_%s\n",
+ facName);
+ fprintf(fp,"#define LTT_FACILITY_CHECKSUM_SYMBOL\t\tltt_facility_%s_%X\n",
+ facName, checksum);
+ fprintf(fp,"#define LTT_FACILITY_CHECKSUM\t\t\t\t\t\t0x%X\n", checksum);
+ fprintf(fp,"#define LTT_FACILITY_NAME\t\t\t\t\t\t\t\t\"%s\"\n", facName);
+ fprintf(fp,"#define LTT_FACILITY_NUM_EVENTS\t\t\t\t\t%d\n\n", nbEvent);
+ fprintf(fp, "#endif //_LTT_FACILITY_LOADER_%s_H_\n",capname);
+}
- fprintf(fp,"module_init(facility_%s_init);\n",facName);
- fprintf(fp,"module_exit(facility_%s_exit);\n",facName);
+void generateCfile(FILE * fp, char * filefacname){
+
+ fprintf(fp, "/*\n");
+ fprintf(fp, " * ltt-facility-loader-%s.c\n", filefacname);
+ fprintf(fp, " *\n");
+ fprintf(fp, " * (C) Copyright 2005 - \n");
+ fprintf(fp, " * Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)\n");
+ fprintf(fp, " *\n");
+ fprintf(fp, " * Contains the LTT facility loader.\n");
+ fprintf(fp, " *\n");
+ fprintf(fp, " */\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#include <linux/ltt-facilities.h>\n");
+ fprintf(fp, "#include <linux/module.h>\n");
+ fprintf(fp, "#include <linux/init.h>\n");
+ fprintf(fp, "#include <linux/config.h>\n");
+ fprintf(fp, "#include \"ltt-facility-loader-%s.h\"\n", filefacname);
+ fprintf(fp, "\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#ifdef CONFIG_LTT\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "EXPORT_SYMBOL(LTT_FACILITY_SYMBOL);\n");
+ fprintf(fp, "EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL);\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "static const char ltt_facility_name[] = LTT_FACILITY_NAME;\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#define SYMBOL_STRING(sym) #sym\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "static struct ltt_facility facility = {\n");
+ fprintf(fp, "\t.name = ltt_facility_name,\n");
+ fprintf(fp, "\t.num_events = LTT_FACILITY_NUM_EVENTS,\n");
+ fprintf(fp, "\t.checksum = LTT_FACILITY_CHECKSUM,\n");
+ fprintf(fp, "\t.symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL),\n");
+ fprintf(fp, "\t.alignment = %u\n", alignment); /* default alignment */
+ fprintf(fp, "};\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#ifndef MODULE\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "/* Built-in facility. */\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "static int __init facility_init(void)\n");
+ fprintf(fp, "{\n");
+ fprintf(fp, "\tprintk(KERN_INFO \"LTT : ltt-facility-%s init in kernel\\n\");\n", filefacname);
+ fprintf(fp, "\n");
+ fprintf(fp, "\tLTT_FACILITY_SYMBOL = ltt_facility_builtin_register(&facility);\n");
+ fprintf(fp, "\tLTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;\n");
+ fprintf(fp, "\t\n");
+ fprintf(fp, "\treturn LTT_FACILITY_SYMBOL;\n");
+ fprintf(fp, "}\n");
+ fprintf(fp, "__initcall(facility_init);\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#else \n");
+ fprintf(fp, "\n");
+ fprintf(fp, "/* Dynamic facility. */\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "static int __init facility_init(void)\n");
+ fprintf(fp, "{\n");
+ fprintf(fp, "\tprintk(KERN_INFO \"LTT : ltt-facility-%s init dynamic\\n\");\n", filefacname);
+ fprintf(fp, "\n");
+ fprintf(fp, "\tLTT_FACILITY_SYMBOL = ltt_facility_dynamic_register(&facility);\n");
+ fprintf(fp, "\tLTT_FACILITY_SYMBOL_CHECKSUM = LTT_FACILITY_SYMBOL;\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\treturn LTT_FACILITY_SYMBOL;\n");
+ fprintf(fp, "}\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "static void __exit facility_exit(void)\n");
+ fprintf(fp, "{\n");
+ fprintf(fp, "\tint err;\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\terr = ltt_facility_dynamic_unregister(LTT_FACILITY_SYMBOL);\n");
+ fprintf(fp, "\tif(err != 0)\n");
+ fprintf(fp, "\t\tprintk(KERN_ERR \"LTT : Error in unregistering facility.\\n\");\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "}\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "module_init(facility_init)\n");
+ fprintf(fp, "module_exit(facility_exit)\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "MODULE_LICENSE(\"GPL\");\n");
+ fprintf(fp, "MODULE_AUTHOR(\"Mathieu Desnoyers\");\n");
+ fprintf(fp, "MODULE_DESCRIPTION(\"Linux Trace Toolkit Facility\");\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#endif //MODULE\n");
+ fprintf(fp, "\n");
+ fprintf(fp, "#endif //CONFIG_LTT\n");
}
projects / lttv.git / blobdiff