159 lines
3.2 KiB
C
159 lines
3.2 KiB
C
/*
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* Copyright (c) 2021 Barcelona Supercomputing Center (BSC)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/limits.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <stdatomic.h>
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#include <dirent.h>
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#include "ovni.h"
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#include "ovni_trace.h"
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static void
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emit(struct ovni_ev *ev, int row)
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{
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static uint64_t firstclock = 0;
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int64_t delta;
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if(firstclock == 0)
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firstclock = ovni_ev_get_clock(ev);
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delta = ovni_ev_get_clock(ev) - firstclock;
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//#Paraver (19/01/38 at 03:14):00000000000000000000_ns:0:1:1(00000000000000000008:1)
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//2:0:1:1:7:1540663:6400010:1
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//2:0:1:1:7:1540663:6400015:1
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//2:0:1:1:7:1540663:6400017:0
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//2:0:1:1:7:1542091:6400010:1
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//2:0:1:1:7:1542091:6400015:1
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//2:0:1:1:7:1542091:6400025:1
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//2:0:1:1:7:1542091:6400017:0
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printf("2:0:1:1:%d:%ld:%d:%d\n", row, delta, ev->header.category, ev->header.value);
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}
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static void
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dump_events(struct ovni_trace *trace)
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{
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size_t i;
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int f, row;
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uint64_t minclock, lastclock;
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struct ovni_ev *ev;
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struct ovni_stream *stream;
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/* Load events */
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for(i=0; i<trace->nstreams; i++)
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{
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stream = &trace->stream[i];
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ovni_load_next_event(stream);
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}
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lastclock = 0;
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while(1)
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{
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f = -1;
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minclock = 0;
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/* Select next event based on the clock */
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for(i=0; i<trace->nstreams; i++)
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{
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stream = &trace->stream[i];
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if(!stream->active)
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continue;
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ev = stream->cur_ev;
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if(f < 0 || ovni_ev_get_clock(ev) < minclock)
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{
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f = i;
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minclock = ovni_ev_get_clock(ev);
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}
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}
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//fprintf(stderr, "f=%d minclock=%u\n", f, minclock);
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if(f < 0)
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break;
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stream = &trace->stream[f];
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if(lastclock >= ovni_ev_get_clock(stream->cur_ev))
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{
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fprintf(stderr, "warning: backwards jump in time\n");
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}
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/* Emit current event */
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row = f + 1;
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emit(stream->cur_ev, row);
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lastclock = ovni_ev_get_clock(stream->cur_ev);
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/* Read the next one */
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ovni_load_next_event(stream);
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/* Unset the index */
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f = -1;
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minclock = 0;
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}
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}
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int main(int argc, char *argv[])
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{
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char *tracedir;
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struct ovni_trace *trace = calloc(1, sizeof(struct ovni_trace));
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if(trace == NULL)
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{
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perror("calloc");
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exit(EXIT_FAILURE);
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}
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if(argc != 2)
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{
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fprintf(stderr, "missing tracedir\n");
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exit(EXIT_FAILURE);
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}
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tracedir = argv[1];
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if(ovni_load_trace(trace, tracedir))
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return 1;
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if(ovni_load_streams(trace))
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return 1;
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printf("#Paraver (19/01/38 at 03:14):00000000000000000000_ns:0:1:1(%ld:1)\n",
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trace->nstreams);
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dump_events(trace);
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ovni_free_streams(trace);
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fflush(stdout);
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free(trace);
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return 0;
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}
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