From e4eced0fb7cd23ba2b16eff08f2185bed49ab5e5 Mon Sep 17 00:00:00 2001 From: yangxx Date: Wed, 24 Sep 2003 16:01:51 +0000 Subject: [PATCH 1/1] git-svn-id: http://ltt.polymtl.ca/svn@240 04897980-b3bd-0310-b5e0-8ef037075253 --- ltt/branches/poly/ltt/convert/convert.c | 10 ++++- ltt/branches/poly/ltt/event.c | 8 ++-- ltt/branches/poly/ltt/tracefile.c | 56 +++++++++++++++++-------- 3 files changed, 51 insertions(+), 23 deletions(-) diff --git a/ltt/branches/poly/ltt/convert/convert.c b/ltt/branches/poly/ltt/convert/convert.c index 60dc3a60..b996b8b2 100644 --- a/ltt/branches/poly/ltt/convert/convert.c +++ b/ltt/branches/poly/ltt/convert/convert.c @@ -124,7 +124,7 @@ int main(int argc, char ** argv){ trace_file_system * tFileSys; uint16_t newId, startId, tmpId; uint8_t evId; - uint32_t time_delta, startTimeDelta; + uint32_t time_delta, startTimeDelta, previous_time_delta; void * cur_pos, *end_pos; buffer_start start, start_proc, start_intr; buffer_start end, end_proc, end_intr; @@ -344,6 +344,7 @@ int main(int argc, char ** argv){ startId = newId; startTimeDelta = time_delta; + previous_time_delta = time_delta; start.seconds = tBufStart->Time.tv_sec; start.nanoseconds = tBufStart->Time.tv_usec; start.cycle_count = tBufStart->TSC; @@ -448,6 +449,11 @@ int main(int argc, char ** argv){ time_delta = *(uint32_t*)cur_pos; cur_pos += sizeof(uint32_t); + if(time_delta < previous_time_delta){ + end.cycle_count += OVERFLOW_FIGURE; + } + previous_time_delta = time_delta; + if(ltt_log_cpu){ write_to_buffer(write_pos[cpu_id],(void*)&newId,sizeof(uint16_t)); write_to_buffer(write_pos[cpu_id],(void*)&time_delta, sizeof(uint32_t)); @@ -582,7 +588,7 @@ int main(int argc, char ** argv){ beat.cycle_count = start.cycle_count + beat_count * OVERFLOW_FIGURE; event_size = 0; - end.cycle_count += OVERFLOW_FIGURE; + // end.cycle_count += OVERFLOW_FIGURE; write_to_buffer(write_pos_intr,(void*)&newId, sizeof(uint16_t)); write_to_buffer(write_pos_intr,(void*)&timeDelta, sizeof(uint32_t)); diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index 7ef67377..46333ffb 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -196,8 +196,9 @@ void ltt_event_position(LttEvent *e, LttEventPosition *ep) ep->event_time = e->event_time; ep->event_cycle_count = e->event_cycle_count; ep->heart_beat_number = e->tracefile->cur_heart_beat_number; - ep->old_position = TRUE; + ep->old_position = FALSE; ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; + ep->tf = e->tracefile; } /***************************************************************************** @@ -210,10 +211,11 @@ void ltt_event_position(LttEvent *e, LttEventPosition *ep) ****************************************************************************/ void ltt_event_position_get(LttEventPosition *ep, - unsigned *block_number, unsigned *index_in_block) + unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf) { *block_number = ep->block_num; *index_in_block = ep->event_num; + *tf = ep->tf; } /***************************************************************************** @@ -229,7 +231,7 @@ void ltt_event_position_set(LttEventPosition *ep, unsigned block_number, unsigned index_in_block) { ep->block_num = block_number; - ep->event_num = index_in_block; + ep->event_num = index_in_block; } /***************************************************************************** diff --git a/ltt/branches/poly/ltt/tracefile.c b/ltt/branches/poly/ltt/tracefile.c index 43334ed3..5c45d566 100644 --- a/ltt/branches/poly/ltt/tracefile.c +++ b/ltt/branches/poly/ltt/tracefile.c @@ -855,9 +855,6 @@ LttEvent *ltt_tracefile_read(LttTracefile *t) lttEvent->time_delta = *(uint32_t*)(t->cur_event_pos + EVENT_ID_SIZE); lttEvent->event_time = t->current_event_time; - lttEvent->event_cycle_count = ((uint64_t)1)<<32 * t->cur_heart_beat_number - + lttEvent->time_delta; - lttEvent->tracefile = t; lttEvent->data = t->cur_event_pos + EVENT_HEADER_SIZE; lttEvent->which_block = t->which_block; @@ -867,6 +864,8 @@ LttEvent *ltt_tracefile_read(LttTracefile *t) err = skipEvent(t); if(err == ERANGE) g_error("event id is out of range\n"); + lttEvent->event_cycle_count = t->cur_cycle_count; + return lttEvent; } @@ -1028,11 +1027,13 @@ void getCyclePerNsec(LttTracefile * t) TimeSub(lBufTotalTime,t->a_block_end->time, t->a_block_start->time); /* Calculate the total cycles for this bufffer */ - lBufTotalCycle = t->a_block_end->cycle_count - - t->a_block_start->cycle_count; + lBufTotalCycle = t->a_block_end->cycle_count; + lBufTotalCycle -= t->a_block_start->cycle_count; /* Convert the total time to nsecs */ - lBufTotalNSec = lBufTotalTime.tv_sec * 1000000000 + lBufTotalTime.tv_nsec; + lBufTotalNSec = lBufTotalTime.tv_sec; + lBufTotalNSec *= NANSECOND_CONST; + lBufTotalNSec += lBufTotalTime.tv_nsec; t->cycle_per_nsec = (double)lBufTotalCycle / (double)lBufTotalNSec; } @@ -1054,29 +1055,48 @@ LttTime getEventTime(LttTracefile * tf) double lEventNSec; // Total usecs from start for event LttTime lTimeOffset; // Time offset in struct LttTime uint16_t evId; - + int64_t nanoSec, tmpCycleCount = (((uint64_t)1)<<32); + static LttCycleCount preCycleCount = 0; + static int count = 0; + evId = *(uint16_t*)tf->cur_event_pos; - if(evId == TRACE_BLOCK_START) + if(evId == TRACE_BLOCK_START){ + count = 0; + preCycleCount = 0; + tf->cur_cycle_count = tf->a_block_start->cycle_count; return tf->a_block_start->time; - else if(evId == TRACE_BLOCK_END) + }else if(evId == TRACE_BLOCK_END){ + count = 0; + preCycleCount = 0; + tf->cur_cycle_count = tf->a_block_end->cycle_count; return tf->a_block_end->time; + } - - // Calculate total time in cycles from start of buffer for this event + // Calculate total time in cycles from start of buffer for this event cycle_count = (LttCycleCount)*(uint32_t*)(tf->cur_event_pos + EVENT_ID_SIZE); - if(tf->cur_heart_beat_number) - cycle_count += ((uint64_t)1)<<32 * tf->cur_heart_beat_number; - lEventTotalCycle = cycle_count - tf->a_block_start->cycle_count; + + if(cycle_count < preCycleCount)count++; + preCycleCount = cycle_count; + cycle_count += tmpCycleCount * count; + + if(tf->cur_heart_beat_number > count) + cycle_count += tmpCycleCount * (tf->cur_heart_beat_number - count); + + tf->cur_cycle_count = cycle_count; + + lEventTotalCycle = cycle_count; + lEventTotalCycle -= tf->a_block_start->cycle_count; // Convert it to nsecs lEventNSec = lEventTotalCycle / tf->cycle_per_nsec; - + nanoSec = lEventNSec; + // Determine offset in struct LttTime - lTimeOffset.tv_nsec = (long)lEventNSec % 1000000000; - lTimeOffset.tv_sec = (long)lEventNSec / 1000000000; + lTimeOffset.tv_nsec = nanoSec % NANSECOND_CONST; + lTimeOffset.tv_sec = nanoSec / NANSECOND_CONST; TimeAdd(time, tf->a_block_start->time, lTimeOffset); - + return time; } -- 2.34.1