161 lines
2.7 KiB
C
161 lines
2.7 KiB
C
#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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#include "emu.h"
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static void
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hexdump(uint8_t *buf, size_t size)
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{
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int i, j;
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//printf("writing %ld bytes in cpu=%d\n", size, rthread.cpu);
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for(i=0; i<size; i+=16)
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{
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for(j=0; j<16 && i+j < size; j++)
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{
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fprintf(stderr, "%02x ", buf[i+j]);
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}
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fprintf(stderr, "\n");
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}
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}
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void emit(struct ovni_stream *stream, struct ovni_ev *ev)
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{
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int64_t delta;
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uint64_t clock;
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int i, payloadsize;
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//printf("sizeof(*ev) = %d\n", sizeof(*ev));
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//hexdump((uint8_t *) ev, sizeof(*ev));
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clock = ovni_ev_get_clock(ev);
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delta = clock - stream->lastclock;
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printf("%d.%d.%d %c %c %c % 20ld % 15ld ",
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stream->loom, stream->proc, stream->tid,
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ev->header.model, ev->header.category, ev->header.value, clock, delta);
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payloadsize = ovni_payload_size(ev);
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for(i=0; i<payloadsize; i++)
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{
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printf("%02x ", ev->payload.u8[i]);
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}
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printf("\n");
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stream->lastclock = clock;
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}
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void dump_events(struct ovni_trace *trace)
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{
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int i, f;
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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(stdout, "warning: backwards jump in time %lu -> %lu\n",
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lastclock, ovni_ev_get_clock(stream->cur_ev));
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}
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/* Emit current event */
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emit(stream, stream->cur_ev);
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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;
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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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dump_events(trace);
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ovni_free_streams(trace);
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free(trace);
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return 0;
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}
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