X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Ftracefile.c;h=6500a2d2e229dd88c73dbded7f9ed773a33fa7a2;hb=986e2a7c3f885178f7cf6385af8b325fee83d5f7;hp=d3c6537326956e6aff339706372496118b63104e;hpb=9788e7905947d1896bbb3e18e9271b8d54ec00da;p=lttv.git diff --git a/ltt/branches/poly/ltt/tracefile.c b/ltt/branches/poly/ltt/tracefile.c index d3c65373..6500a2d2 100644 --- a/ltt/branches/poly/ltt/tracefile.c +++ b/ltt/branches/poly/ltt/tracefile.c @@ -235,10 +235,28 @@ int parse_trace_header(void *header, LttTracefile *tf, LttTrace *t) tf->buffer_header_size = sizeof(struct ltt_block_start_header) + sizeof(struct ltt_trace_header_0_3); + g_warning("Unsupported trace version : %hhu.%hhu", + any->major_version, any->minor_version); + return 1; + } + break; + case 4: + { + struct ltt_trace_header_0_4 *vheader = + (struct ltt_trace_header_0_4 *)header; + tf->buffer_header_size = + sizeof(struct ltt_block_start_header) + + sizeof(struct ltt_trace_header_0_4); + if(t) { + t->start_monotonic = ltt_get_uint64(LTT_GET_BO(tf), + &vheader->start_monotonic); + t->start_time = ltt_get_time(LTT_GET_BO(tf), + &vheader->start_time); + } } break; default: - g_warning("Unsupported trace version : %hhu.%hhu", + g_warning("Unsupported trace version : %hhu.%hhu", any->major_version, any->minor_version); return 1; } @@ -804,7 +822,7 @@ static int open_tracefiles(LttTrace *trace, gchar *root_path, /* ltt_get_facility_description * - * Opens the trace corresponding to the requested facility (identified by fac_id + * Opens the file corresponding to the requested facility (identified by fac_id * and checksum). * * The name searched is : %trace root%/eventdefs/facname_checksum.xml @@ -836,7 +854,7 @@ static int ltt_get_facility_description(LttFacility *f, textlen+=strlen(text); if(textlen >= PATH_MAX) goto name_error; strcat(desc_file_name, text); - +#if 0 text = "_"; textlen+=strlen(text); if(textlen >= PATH_MAX) goto name_error; @@ -848,11 +866,12 @@ static int ltt_get_facility_description(LttFacility *f, textlen=strlen(desc_file_name); +#endif //0 text = ".xml"; textlen+=strlen(text); if(textlen >= PATH_MAX) goto name_error; strcat(desc_file_name, text); - + err = ltt_facility_open(f, t, desc_file_name); if(err) goto facility_error; @@ -1431,7 +1450,7 @@ int ltt_tracefile_seek_time(LttTracefile *tf, LttTime time) if(ret == ERANGE) goto range; /* ERANGE or EPERM */ else if(ret) goto fail; - if(ltt_time_compare(time, tf->event.event_time) >= 0) + if(ltt_time_compare(time, tf->event.event_time) <= 0) goto found; } @@ -1448,7 +1467,7 @@ int ltt_tracefile_seek_time(LttTracefile *tf, LttTime time) if(ret == ERANGE) goto range; /* ERANGE or EPERM */ else if(ret) goto fail; - if(ltt_time_compare(time, tf->event.event_time) >= 0) + if(ltt_time_compare(time, tf->event.event_time) <= 0) break; } goto found; @@ -1722,25 +1741,37 @@ static gint map_block(LttTracefile * tf, guint block_num) header = (struct ltt_block_start_header*)tf->buffer.head; - tf->buffer.begin.timestamp = ltt_get_time(LTT_GET_BO(tf), - &header->begin.timestamp); - tf->buffer.begin.timestamp.tv_nsec *= NSEC_PER_USEC; + tf->buffer.begin.timestamp = ltt_time_add( + ltt_time_from_uint64( + ltt_get_uint64(LTT_GET_BO(tf), + &header->begin.timestamp) + - tf->trace->start_monotonic), + tf->trace->start_time); //g_debug("block %u begin : %lu.%lu", block_num, // tf->buffer.begin.timestamp.tv_sec, tf->buffer.begin.timestamp.tv_nsec); tf->buffer.begin.cycle_count = ltt_get_uint64(LTT_GET_BO(tf), &header->begin.cycle_count); - tf->buffer.end.timestamp = ltt_get_time(LTT_GET_BO(tf), - &header->end.timestamp); - tf->buffer.end.timestamp.tv_nsec *= NSEC_PER_USEC; + tf->buffer.begin.freq = ltt_get_uint64(LTT_GET_BO(tf), + &header->begin.freq); + tf->buffer.end.timestamp = ltt_time_add( + ltt_time_from_uint64( + ltt_get_uint64(LTT_GET_BO(tf), + &header->end.timestamp) + - tf->trace->start_monotonic), + tf->trace->start_time); + //g_debug("block %u end : %lu.%lu", block_num, // tf->buffer.end.timestamp.tv_sec, tf->buffer.end.timestamp.tv_nsec); tf->buffer.end.cycle_count = ltt_get_uint64(LTT_GET_BO(tf), &header->end.cycle_count); + tf->buffer.end.freq = ltt_get_uint64(LTT_GET_BO(tf), + &header->end.freq); tf->buffer.lost_size = ltt_get_uint32(LTT_GET_BO(tf), - &header->lost_size); + &header->lost_size); tf->buffer.tsc = tf->buffer.begin.cycle_count; tf->event.tsc = tf->buffer.tsc; + tf->buffer.freq = tf->buffer.begin.freq; /* FIXME * eventually support variable buffer size : will need a partial pre-read of @@ -1904,29 +1935,21 @@ error: /***************************************************************************** *Function name * calc_nsecs_per_cycle : calculate nsecs per cycle for current block + * + * 1.0 / (freq(khz) *1000) * 1000000000 *Input Params * t : tracefile ****************************************************************************/ - +/* from timer_tsc.c */ +#define CYC2NS_SCALE_FACTOR 10 static double calc_nsecs_per_cycle(LttTracefile * tf) { - LttTime lBufTotalTime; /* Total time for this buffer */ - double lBufTotalNSec; /* Total time for this buffer in nsecs */ - LttCycleCount lBufTotalCycle;/* Total cycles for this buffer */ - - /* Calculate the total time for this buffer */ - lBufTotalTime = ltt_time_sub(tf->buffer.end.timestamp, - tf->buffer.begin.timestamp); - - /* Calculate the total cycles for this bufffer */ - lBufTotalCycle = tf->buffer.end.cycle_count; - lBufTotalCycle -= tf->buffer.begin.cycle_count; - - /* Convert the total time to double */ - lBufTotalNSec = ltt_time_to_double(lBufTotalTime); + //return 1e6 / (double)tf->buffer.freq; + guint64 cpu_mhz = tf->buffer.freq / 1000; + guint64 cyc2ns_scale = (1000 << CYC2NS_SCALE_FACTOR)/cpu_mhz; - return lBufTotalNSec / (double)lBufTotalCycle; - + return cyc2ns_scale >> CYC2NS_SCALE_FACTOR; + // return 1e6 / (double)tf->buffer.freq; } #if 0 void setFieldsOffset(LttTracefile *tf, LttEventType *evT,void *evD)