From 59121f0c16cb2ca5a7543864a9c439e82b0bc8eb Mon Sep 17 00:00:00 2001 From: compudj Date: Thu, 29 May 2003 13:20:44 +0000 Subject: [PATCH] Trace reading code, not integrated to the modular UI for the moment. Needs some work. git-svn-id: http://ltt.polymtl.ca/svn@15 04897980-b3bd-0310-b5e0-8ef037075253 --- .../poly/lttv/trace-specific-code/README | 5 + .../poly/lttv/trace-specific-code/analyse.c | 90 +++++++ .../poly/lttv/trace-specific-code/asciiDump.c | 217 +++++++++++++++ .../lttv/trace-specific-code/basicStats.c | 246 ++++++++++++++++++ .../poly/lttv/trace-specific-code/event.c | 79 ++++++ .../poly/lttv/trace-specific-code/textDump.c | 98 +++++++ .../poly/lttv/trace-specific-code/trace.c | 136 ++++++++++ 7 files changed, 871 insertions(+) create mode 100644 ltt/branches/poly/lttv/trace-specific-code/README create mode 100644 ltt/branches/poly/lttv/trace-specific-code/analyse.c create mode 100644 ltt/branches/poly/lttv/trace-specific-code/asciiDump.c create mode 100644 ltt/branches/poly/lttv/trace-specific-code/basicStats.c create mode 100644 ltt/branches/poly/lttv/trace-specific-code/event.c create mode 100644 ltt/branches/poly/lttv/trace-specific-code/textDump.c create mode 100644 ltt/branches/poly/lttv/trace-specific-code/trace.c diff --git a/ltt/branches/poly/lttv/trace-specific-code/README b/ltt/branches/poly/lttv/trace-specific-code/README new file mode 100644 index 00000000..f1104ebf --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/README @@ -0,0 +1,5 @@ +these files are not used for the moment in the user interface. They will be added later in order to read the trace. + +They will be modules/plugins. + +Mathieu diff --git a/ltt/branches/poly/lttv/trace-specific-code/analyse.c b/ltt/branches/poly/lttv/trace-specific-code/analyse.c new file mode 100644 index 00000000..178d0000 --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/analyse.c @@ -0,0 +1,90 @@ + +#include + +void lttv_analyse_init() { + + +} + +void lttv_analyse_destroy() { + +} + + +void lttv_analyse_trace_set(lttv_trace_set *s) { + int i, nb; + lttv_hooks *before, *after; + lttv_attributes *a; + + a = lttv_trace_set_attributes(s); + before = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + after = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/after"); + nb = lttv_trace_set_number(s); + + lttv_hooks_call(before, s); + for(i = 0; i < nb; i++) { + lttv_analyse_trace(lttv_trace_set_get(s,i)); + } + lttv_hooks_call(after, s); +} + + +void lttv_analyse_trace(lttv_trace *t) { + int i, nb_all_cpu, nb_per_cpu; + lttv_hooks *before, *after; + lttv_attributes *a; + + a = lttv_trace_attributes(t); + before = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + after = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/after"); + + nb_all_cpu = lttv_trace_tracefile_number_all_cpu(t); + nb_per_cpu = lttv_trace_tracefile_number_per_cpu(t); + + lttv_hooks_call(before, t); + + for(i = 0; i < nb_all_cpu; i++) { + lttv_analyse_tracefile(lttv_trace_get_all_cpu(t,i)); + } + + for(i = 0; i < nb_per_cpu; i++) { + lttv_analyse_tracefile(lttv_trace_get_per_cpu(t,i)); + } + + lttv_hooks_call(after, t); +} + + +void lttv_analyse_tracefile(lttv_tracefile *t) { + ltt_tracefile *tf; + ltt_event *event; + unsigned id; + lttv_hooks *before, *after, *event_hooks; + lttv_hooks_by_id *event_hooks_by_id; + lttv_attributes *a; + + a = lttv_tracefile_attributes(t); + before = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + after = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a,"hooks/after"); + event_hooks = (lttv_hooks*)lttv_attributes_get_pointer_pathname(a, + "hooks/event"); + event_hooks_by_id = (lttv_hooks_by_id*) + lttv_attributes_get_pointer_pathname(a, "hooks/eventid"); + + tf = lttv_tracefile_ltt_tracefile(t); + + lttv_hooks_call(before, t); + + if(lttv_hooks_number(hooks_event) != 0 || + lttv_hooks_by_id_number(event_hook_by_id) != 0){ + while(event = ltt_tracefile_read(tf) != NULL) { + lttv_hooks_call(event_hooks,event); + lttv_hooks_by_id_call(event_hooks_by_id,event,ltt_event_type_id(event)); + } + } + + lttv_hooks_call(after, t); + +} + + diff --git a/ltt/branches/poly/lttv/trace-specific-code/asciiDump.c b/ltt/branches/poly/lttv/trace-specific-code/asciiDump.c new file mode 100644 index 00000000..143f0bca --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/asciiDump.c @@ -0,0 +1,217 @@ + +#include "ltt_module.h" + +/* This module dumps all events in a simple ascii format */ + +static gboolean + ascii_dump = FALSE, + syscall_stats = FALSE; + +static gchar *dump_file = NULL; + +static FILE *dump_fp = stdout; + +struct poptOption + ascii_dump_option = { "ascii-dump", 'd', POPT_ARG_NONE, &ascii_dump, 0}, + ascii_dump_option = { "dump-file", 'f', POPT_ARG_STRING, &dump_file, 0}, + syscall_stats_option = { "syscall-stats", 's', POPT_ARG_NONE, + &syscall_stats, 0}; + +static void after_options_hook(gpointer hook_data, gpointer call_data); + +static void before_trace_hook(gpointer hook_data, gpointer call_data); + +static void after_trace_hook(gpointer hook_data, gpointer call_data); + +static void events_hook(gpointer hook_data, gpointer call_data); + +void init(int argc, char **argv) +{ + ltt_add_command_option(&ascii_dump_option); + ltt_add_command_option(&syscall_stats_option); + ltt_add_hook(ltt_after_options_hooks,after_options_hook,NULL) +} + +/* Check the command line options and insert hooks to do the work */ + +static void after_options_hook(gpointer hook_data, gpointer call_data) +{ + if(ascii_dump_option || syscall_stats) { + ltt_add_hook(ltt_before_process_each_trace_hooks,before_trace_hook,NULL); + if(dump_file != NULL) { + dump_fp = fopen(dump_file,"w"); + if(dump_fp == NULL) g_critical("cannot open output file %s",dump_file); + } + ltt_add_hook(ltt_after_process_each_trace_hooks,after_trace_hook,NULL); + } +} + +/* Insert the hooks to print the events and compute and print the statistics */ + +static unsigned *eventsCounters; + +struct CPUState { + lttProcess *current_process; + lttStatKey *key; + lttTime lastTime; +} *CPUStates; + +static void before_trace_hook(gpointer hook_data, gpointer call_data) { + ltt_add_hook(ltt_trace_events_hooks,events_hooks,NULL); + fprintf(dump_fp,"Trace %s\n",(struct trace *)call_data->name); + + if(ascii_dump) fprintf(dump_fp,"\nEvents\n"); + + /* To gather stats, register a few hooks */ + + if(syscall_stats) { + eventsCounters = g_new0(unsigned,nbEventType); + CPUStates = g_new0(struct CPUState, nbCPU); + /* initialize the state of each CPU and associated process */ + CHECK + } +} + +/* Print the events */ + +static void events_hook(gpointer hook_data, gpointer call_data) +{ + event_struct event; + + int i; + + event = (struct_event *)call_data; + + if(ascii_dump) { + fprintf(dump_fp,"\n%s.%s t=%d.%d CPU%d",event->facility_handle->name, + event->event_handle->name, event->time.tv_seconds, + event->time.tv_nanoseconds,event->CPU_id); + + for(i = 0 ; i < event->base_field->nb_elements ; i++) { + field = event->base_field->fields + i; + fprintf(dump_fp," %s=",field->name); + switch(field->type) { + case INT: + fprintf(dump_fp,"%d",ltt_get_integer(field,event->data)); + break; + case UINT: + fprintf(dump_fp,"%u",ltt_get_uinteger(field,event->data)); + break; + case FLOAT: + fprintf(dump_fp,"%lg",ltt_get_float(field,event->data)); + break; + case DOUBLE: + fprintf(dump_fp,"%g",ltt_get_double(field,event->data)); + break; + case STRING: + fprintf(dump_fp,"%s",ltt_get_string(field,event->data)); + break; + case ENUM: + fprintf(dump_fp,"%d",ltt_get_integer(field,event->data)); + break; + case ARRAY: + fprintf(dump_fp,""); + break; + case SEQUENCE: + fprintf(dump_fp,""); + break; + case STRUCT: + fprintf(dump_fp,""); + break; + } + } + } + + /* Collect statistics about each event type */ + + if(syscall_stats) { + /* Get the key for the corresponding CPU. It already contains the + path components for the ip, CPU, process, state, subState. + We add the event id and increment the statistic with that key. */ + + key = (GQuark *)CPUStates[event->CPUid]->key1; + path = key->data; + path[5] = eventsQuark[event->id]; + pval = ltt_get_integer(currentStats,key); + (*pval)++; + + /* Count the time spent in the current state. Could be done only + at state changes to optimize. */ + + key = (GQuark *)CPUStates[event->CPUid]->key2; + path = key->data; + ptime = ltt_get_time(currentStats,key); + (*ptime) = ltt_add_time((*ptime),ltt_sub_time(lastTime,event->time)); + } +} + +/* Specific hooks to note process and state changes, compute the following values: number of bytes read/written, + time elapsed, user, system, waiting, time spent in each system call, + name for each process. */ + +maintain the process table, process state, last time... what we are waiting for + +syscall_entry_hook +syscall_exit_hook +trap_entry_hook +trap_exit_hook +irq_entry_hook +irq_exit_hook +sched_change_hook -> not waiting +fork_hook -> wait fork +wait_hook -> waiting +wakeup_hook -> not waiting add up waiting time +exit_hook +exec_hook -> note file name +open_hook -> keep track of fd/name +close_hook -> keep track of fd +read_hook -> bytes read, if server CPU for client... +write_hook -> bytes written +select_hook -> wait reason +poll_hook -> wait reason +mmap_hook -> keep track of fd +munmap_hook -> keep track of fd +setitimer_hook -> wait reason +settimeout_hook -> wait reason +sockcreate_hook -> client/server +sockbind_hook -> client/server +sockaccept_hook -> client/server +sockconnect_hook -> client/server +/* Close the output file and print the statistics, globally for all CPUs and + processes, per CPU, per process. */ + +static void after_trace_hook(gpointer hook_data, gpointer call_data) +{ + lttTrace t; + + unsigned nbEvents = 0; + + t = (lttTrace *)call_data; + + fprintf(dump_fp,"\n"); + fclose(dump_fp); + + if(syscall_stats) { + fprintf(dump_fp,"\n\nStatistics\n\n"); + + /* Trace start, end and duration */ + + fprintf(dump_fp,"Trace started %s, ended %s, duration %s", + ltt_format_time(t->startTime),ltt_format_time(t->endTime), + ltt_format_time(ltt_sub_time(t->endTime,t->startTime))); + + /* Number of events of each type */ + + for(i = 0 ; i < t->nbEventTypes ; i++) { + nbEvents += eventsCounters[i]; + if(eventsCounters[i] > 0) + fprintf(dump_fp,"%s: %u\n",t->types[i]->name,eventsCounters[i]); + } + fprintf(dump_fp,"\n\nTotal number of events: %u\n",nbEvents); + + /* Print the details for each process */ + } +} + + + diff --git a/ltt/branches/poly/lttv/trace-specific-code/basicStats.c b/ltt/branches/poly/lttv/trace-specific-code/basicStats.c new file mode 100644 index 00000000..678966cf --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/basicStats.c @@ -0,0 +1,246 @@ +/* + +Analyse: loop over events, either one tracefile after another or + simultaneously by increasing time over all tracefiles. + +Process: create the process_state structure and register for all state + changing events to update the process_state. + +Stats: create an lttv_attributes to receive statistics. Offer functions + to specify statistics gathering (event types, specific field as int, + specific field as histogram...); this is used for syscalls and for + bytes read and written. Eventually factor out the type of + state and key positions (disk state, ethernet state...) + +Operations on stats: + select based on match, sort based on compare function/key order, + sum based on equality of truncated key + +Sort order: + key to base the sort on, by decreasing order of preference + +Match/combine: + for each key component, accept as is, only accept x, combine with previous. + +Print stats: + print hierarchically + + +*/ + + +typedef struct _stats_hook_data { + lttv_attributes *a; + lttv_key *key; + GHashTable *processes; + lttv_string_id current_process; + GArray *state; + lttv_string_id current_state; + bool init_done; +} stats_hook_data; + +/* Process state is wait, user, system, trap, irq */ + +/* before, after, print, free */ + +/* The accumulated statistics are: + +for each trace: + + The hierarchical key contains: + + system/cpu/process/state/type/id + + where state is one of user, system, irq, trap or wait, and type is one + of eventtype, syscall, and id is specific to each category (event id, + syscall number...). + + print per system/state/substate/eventid (sum over process/cpu) + print per system/cpu/state/substate/eventid (sum over process) + print per system/process/state/substate/eventid (sum over cpu) + + number of events of each type +*/ + +lttv_basicStats_before(lttv_trace_set *s) +{ + int i, j, nb_trace, nb_tracefile; + lttv_trace *t; + lttv_tracefile *tf; + lttv_attributes *a; + stats_hook_data *hook_data, *old; + + nb_trace = lttv_trace_set_number(s); + + for(i = 0 ; i < nb_trace ; i++) { + t = lttv_trace_set_get(s,i); + nb_tracefile = lttv_trace_number(t); + + hook_data = lttv_basicStats_new(); + a = lttv_trace_attributes(t); + old = (stats_hook_data *)lttv_attributes_get_pointer_pathname(a, + "stats/basic"); + lttv_basicStats_destroy(old); + lttv_attributes_set_pointer_pathname(a,"stats/basic",hook_data); + + for(j = 0 ; j < nb_tracefile ; j++) { + tf = lttv_trace_get(t,j); + a = lttv_tracefile_attributes(tf); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/event"); + lttv_hooks_add(h, compute_stats, hook_data); + } + } +} + +lttv_basicStats_after(lttv_trace_set *s) +{ + int i, j, nb_trace, nb_tracefile; + lttv_trace *t; + lttv_tracefile *tf; + lttv_attributes *a; + stats_hook_data *hook_data; + + nb_trace = lttv_trace_set_number(s); + + for(i = 0 ; i < nb_trace ; i++) { + t = lttv_trace_set_get(s,i); + nb_tracefile = lttv_trace_number(t); + + hook_data = (stats_hook_data *)lttv_attributes_get_pointer_pathname(a, + "stats/basic"); + + for(j = 0 ; j < nb_tracefile ; j++) { + tf = lttv_trace_get(t,j); + a = lttv_tracefile_attributes(tf); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/event"); + lttv_hooks_remove(h, compute_stats, hook_data); + } + + lttv_basicStats_destroy(hook_data); + } +} + + +update_state + +compute time in that state... + +For processes remember the command name... + +Compute bytes read/written... + +static void compute_eventtype_id_stats(void *hook_data, void *call_data) +{ + stats_hook_data *d; + ltt_event *e; + + d = (stats_hook_data *)hook_data; + e = (ltt_event *)call_data; + + lttv_key_index(d->key,4) = string_id_EventType; + lttv_key_index(d->key,5) = string_id_unsigned(ltt_event_eventtype_id(e)); + (*lttv_attributes_get_integer(d->a,d->key))++; +} + +/* The field for which a sum is required is expressed as eventtype/field */ + +typedef struct _field_sum_data { + stats_hook_data *d; + ltt_field *f; + lttv_string_id type_name; + lttv_string_id id_name; +} field_sum_data; + +lttv_basicStats_sum_integer_field_before(lttv_trace_set *s, char *field_path, + char *type_name, char *id_name) +{ + int i, j, nb_trace, nb_tracefile; + lttv_trace *t; + lttv_tracefile *tf; + lttv_attributes *a; + lttv_hooks_by_id h; + stats_hook_data *stats_data; + field_sum_data *hook_data; + unsigned id; + + nb_trace = lttv_trace_set_number(s); + + for(i = 0 ; i < nb_trace ; i++) { + t = lttv_trace_set_get(s,i); + nb_tracefile = lttv_trace_number(t); + + a = lttv_trace_attributes(t); + stats_data = (stats_hook_data *)lttv_attributes_get_pointer_pathname(a, + "stats/basic"); + + for(j = 0 ; j < nb_tracefile ; j++) { + tf = lttv_trace_get(t,j); + a = lttv_tracefile_attributes(tf); + hook_data = g_new(field_sum_data); + hook_data->d = stats_data; + hook_data->f = lttv_tracefile_eventtype_field_pathname( + lttv_tracefile_ltt_tracefile(tf), field_path, &id); + hook_data->type_name = type_name; + hook_data->id_name = id_name; + h = (lttv_hooks_by_id *)lttv_attributes_get_pointer_pathname(a, + "hooks/eventid"); + if(id_name != NULL) { + lttv_hooks_add(h, compute_integer_field_sum, hook_data); + } + else { + lttv_hooks_add(h, compute_integer_field_histogram, hook_data); + } + } + } +} + +static void compute_integer_field_sum(void *hook_data, void *call_data) +{ + field_sum_data *d; + ltt_event *e; + + d = (field_sum_data *)hook_data; + e = (ltt_event *)call_data; + + lttv_key_index(d->key,4) = d->type_name; + lttv_key_index(d->key,5) = d->id_name; + (*lttv_attributes_get_integer(d->a,d->key)) += + ltt_event_get_unsigned(e,d->f); +} + +static void compute_integer_field_histogram(void *hook_data, void *call_data) +{ + field_sum_data *d; + ltt_event *e; + + d = (field_sum_data *)hook_data; + e = (ltt_event *)call_data; + + lttv_key_index(d->key,4) = d->type_name; + lttv_key_index(d->key,5)= string_id_unsigned(ltt_event_get_unsigned(e,d->f)); + (*lttv_attributes_get_integer(d->a,d->key))++; +} + + +stats_hook_data *lttv_basicStats_new() +{ + g_new(stats_hook_data,1); + hook_data->a = lttv_attributes_new(); + hook_data->key = lttv_key_new(); + id = lttv_string_id(""); + for j = 0 ; j < 6 ; j++) lttv_key_append(hook_data->key,id); + hook_data->processes = g_hash_table_new(g_int_hash,g_int_equal); + hook_data->init_done = FALSE; +} + +stats_hook_data *lttv_basicStats_destroy(stats_hook_data *hook_data) +{ + lttv_attributes_destroy(hook_data->a); + lttv_key_destroy(hook_data->key); + lttv_process_state_destroy(hook_data->processes); + g_free(hook_data); + return NULL; +} + + + diff --git a/ltt/branches/poly/lttv/trace-specific-code/event.c b/ltt/branches/poly/lttv/trace-specific-code/event.c new file mode 100644 index 00000000..87c90ce7 --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/event.c @@ -0,0 +1,79 @@ + +void lttv_event_to_string(ltt_event *e, lttv_string *s, bool mandatory_fields) +{ + ltt_facility *facility; + ltt_eventtype *eventtype; + ltt_type *type; + ltt_field *field; + ltt_time time; + + g_string_set_size(s,0); + + facility = lttv_event_facility(e); + eventtype = ltt_event_eventtype(e); + field = ltt_event_field(e); + + if(mandatory_fields) { + time = ltt_event_time(e); + g_string_append_printf(s,"%s.%s: %ld.%ld",ltt_facility_name(facility), + ltt_eventtype_name(eventtype), (long)time.tv_sec, time.tv_nsec); + } + + print_field(e,f,s); +} + +void print_field(ltt_event *e, ltt_field *f, lttv_string *s) { + ltt_type *type; + ltt_field *element; + + int nb, i; + + type = ltt_field_type(f); + switch(ltt_type_class(type)) { + case LTT_INT: + g_string_append_printf(s, " %ld", ltt_event_get_long_int(e,f)); + break; + + case LTT_UINT: + g_string_append_printf(s, " %lu", ltt_event_get_long_unsigned(e,f)); + break; + + case LTT_FLOAT: + g_string_append_printf(s, " %g", ltt_event_get_double(e,f)); + break; + + case LTT_STRING: + g_string_append_printf(s, " \"%s\"", ltt_event_get_string(e,f)); + break; + + case LTT_ENUM: + g_string_append_printf(s, " %s", ltt_enum_string_get(type, + event_get_unsigned(e,f)); + break; + + case LTT_ARRAY: + case LTT_SEQUENCE: + g_string_append_printf(s, " {"); + nb = ltt_event_field_element_number(e,f); + element = ltt_field_element(f); + for(i = 0 ; i < nb ; i++) { + ltt_event_field_element_select(e,f,i); + print_field(e,element,s); + } + g_string_append_printf(s, " }"); + break; + + case LTT_STRUCT: + g_string_append_printf(s, " {"); + nb = ltt_type_member_number(type); + for(i = 0 ; i < nb ; i++) { + element = ltt_field_member(f,i); + print_field(e,element,s); + } + g_string_append_printf(s, " }"); + break; + } +} + + + diff --git a/ltt/branches/poly/lttv/trace-specific-code/textDump.c b/ltt/branches/poly/lttv/trace-specific-code/textDump.c new file mode 100644 index 00000000..3c3ce2b8 --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/textDump.c @@ -0,0 +1,98 @@ + +typedef struct _text_hook_data { + FILE *fp; + lttv_string *s; +} text_hook_data; + +void *lttv_textDump_before(lttv_trace_set *s, FILE *fp) +{ + int i, j, nb_trace, nb_tracefile; + lttv_attributes *a; + lttv_hooks *h; + lttv_trace *t; + lttv_tracefile *tf; + text_hook_data *hook_data; + + hook_data = g_new(ltt_hook_data,1); + nb_trace = lttv_trace_set_number(s); + hook_data->fp = fp; + hook_data->s = lttv_string_new; + + for(i = 0 ; i < nb_trace ; i++) { + t = lttv_trace_set_get(s,i); + a = lttv_trace_attributes(t); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + lttv_hooks_add(h, print_trace_title, hook_data); + nb_tracefile = lttv_trace_number(t); + + for(j = 0 ; j < nb_tracefile ; j++) { + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + lttv_hooks_add(h, print_tracefile_title, hook_data); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/event"); + lttv_hooks_add(h, print_event, hook_data); + } + } +} + +void lttv_textDump_after(lttv_trace_set *ts, void *hook_data) +{ + int i, j, nb_trace, nb_tracefile; + lttv_attributes *a; + lttv_hooks *h; + lttv_trace *t; + lttv_tracefile *tf; + + nb_trace = lttv_trace_set_number(s); + + for(i = 0 ; i < nb_trace ; i++) { + t = lttv_trace_set_get(s,i); + a = lttv_trace_attributes(t); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + lttv_hooks_remove(h, print_trace_title, hook_data); + nb_tracefile = lttv_trace_number(t); + + for(j = 0 ; j < nb_tracefile ; j++) { + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/before"); + lttv_hooks_remove(h, print_tracefile_title, hook_data); + h = (lttv_hooks *)lttv_attributes_get_pointer_pathname(a,"hooks/event"); + lttv_hooks_remove(h, print_event, hook_data); + } + } + lttv_string_destroy(hook_data->s); + g_free(hook_data); +} + +static void print_trace_title(void *hook_data, void *call_data) +{ + lttv_trace *t; + FILE *fp; + + fp = ((text_hook_data *)hook_data)->fp; + t = (lttv_trace *)call_data; + fprintf(fp,"\n\nTrace %s:\n\n" lttv_trace_name(t)); +} + +static void print_trace(void *hook_data, void *call_data) +{ + lttv_tracefile *tf; + FILE *fp; + + fp = ((text_hook_data *)hook_data)->fp; + tf = (lttv_tracefile *)call_data; + fprintf(fp,"\n\nTracefile %s:\n\n" lttv_tracefile_name(tf)); +} + +static void print_event(void *hook_data, void *call_data) +{ + ltt_event *e; + FILE *fp; + text_hook_data *d; + + d = ((text_hook_data *)hook_data; + e = (lttv_event *)call_data; + lttv_event_to_string(e,d->s,TRUE); + fprintf(fp,"%s\n" d->s->str); +} + + + diff --git a/ltt/branches/poly/lttv/trace-specific-code/trace.c b/ltt/branches/poly/lttv/trace-specific-code/trace.c new file mode 100644 index 00000000..55f6103d --- /dev/null +++ b/ltt/branches/poly/lttv/trace-specific-code/trace.c @@ -0,0 +1,136 @@ +/* A trace is a sequence of events gathered in the same tracing session. The + events may be stored in several tracefiles in the same directory. + A trace set is defined when several traces are to be analyzed together, + possibly to study the interactions between events in the different traces. +*/ + +struct _lttv_trace_set { + GPtrArray *traces; + lttv_attributes *a; +}; + +struct _lttv_trace { + GPtrArray *all_cpu; + GPtrArray *per_cpu; + char *name; + lttv_attributes *a; +}; + + +struct _lttv_tracefile { + ltt_tracefile *t; + lttv_attributes *a; +}; + + +lttv_trace_set *lttv_trace_set_new() { + lttv_trace_set s; + + s = g_new(lttv_trace_set, 1); + s->traces = g_ptr_array_new(); + s->a = lttv_attributes_new(); +} + +lttv_trace_set *lttv_trace_set_destroy(lttv_trace_set *s) { + g_ptr_array_free(s->traces); + lttv_attributes_destroy(s->a); + return g_free(s); +} + +void lttv_trace_set_add(lttv_trace_set *s, lttv_trace *t) { + g_ptr_array_add(s,t); +} + +unsigned lttv_trace_set_number(lttv_trace_set *s) { + return s->traces.len; +} + + +lttv_trace *lttv_trace_set_get(lttv_trace_set *s, unsigned i) { + g_assert(s->traces->len <= i); + return s->traces.pdata[i]; +} + + +lttv_trace *lttv_trace_set_remove(lttv_trace_set *s, unsigned i) { + return g_ptr_array_remove_index(s->traces,i); +} + + +/* Look at all files in the directory. Open all those with ltt as extension + and sort these as per cpu or all cpu. */ + +lttv_trace *lttv_trace_open(char *pathname) { + lttv_trace *t; + + t = g_new(lttv_trace, 1); + t->per_cpu = g_ptr_array_new(); + t->all_cpu = g_ptr_array_new(); + t->a = lttv_attributes_new(); + return t; +} + +int lttv_trace_close(lttv_trace *t) { + + g_ptr_array_free(t->per_cpu); + g_ptr_array_free(t->all_cpu); + lttv_attributes_destroy(t->a); + g_free(t); + return 0; +} + +char *lttv_trace_name(lttv_trace *t) { + return t->name; +} + + +unsigned int lttv_trace_tracefile_number(lttv_trace *t) { + return t->per_cpu->len + t->all_cpu->len; +} + +unsigned int lttv_trace_cpu_number(lttv_trace *t) { + /* */ +} + +unsigned int lttv_trace_tracefile_number_per_cpu(lttv_trace *t) { + return t->per_cpu->len; +} + +unsigned int lttv_trace_tracefile_number_all_cpu(lttv_trace *t) { + return t->all_cpu_len; +} + +lttv_tracefile *lttv_trace_tracefile_get_per_cpu(lttv_trace *t, unsigned i) { + return t->per_cpu->pdata[i]; +} + +lttv_tracefile *lttv_trace_tracefile_get_all_cpu(lttv_trace *t, unsigned i) { + return t->all_cpu->pdata[i]; +} + + +/* A set of attributes is attached to each trace set, trace and tracefile + to store user defined data as needed. */ + +lttv_attributes *lttv_trace_set_attributes(lttv_trace_set *s) { + return s->a; +} + +lttv_attributes *lttv_trace_attributes(lttv_trace *t) { + return t->a; +} + +lttv_attributes *lttv_tracefile_attributes(lttv_tracefile *tf) { + return tf->a; +} + + +ltt_tracefile *lttv_tracefile_ltt_tracefile(lttv_tracefile *tf) { + return tf->t; +} + +char *lttv_tracefile_name(lttv_tracefile *tf) { + return tf->name; +} + + -- 2.34.1