va_end(ap);
}
+struct consumer_channel {
+ int fd;
+ struct ltt_channel_struct *chan;
+};
+
int consumer(void *arg)
{
int result;
-
int fd;
-
char str[] = "Hello, this is the consumer.\n";
-
struct ltt_trace_struct *trace;
+ struct consumer_channel *consumer_channels;
+ int i;
ltt_lock_traces();
trace = _ltt_trace_find(trace_name);
return 1;
}
- CPRINTF("consumer: got a trace: %s with %d channels\n", trace_name, trace->nr_channels);
-
- struct ltt_channel_struct *chan = &trace->channels[0];
+ consumer_channels = (struct consumer_channel *) malloc(trace->nr_channels * sizeof(struct consumer_channel));
+ if(consumer_channels == NULL) {
+ ERR("malloc returned NULL");
+ return 1;
+ }
- CPRINTF("channel 1 (%s) active=%u", chan->channel_name, chan->active & 1);
+ CPRINTF("opening trace files");
+ for(i=0; i<trace->nr_channels; i++) {
+ char tmp[100];
+ struct ltt_channel_struct *chan = &trace->channels[i];
- struct rchan *rchan = chan->trans_channel_data;
- struct rchan_buf *rbuf = rchan->buf;
- struct ltt_channel_buf_struct *lttbuf = chan->buf;
- long consumed_old;
+ consumer_channels[i].chan = chan;
- result = fd = open("trace.out", O_WRONLY | O_CREAT | O_TRUNC, 00644);
- if(result == -1) {
- perror("open");
- return -1;
+ snprintf(tmp, sizeof(tmp), "trace/%s", chan->channel_name);
+ result = consumer_channels[i].fd = open(tmp, O_WRONLY | O_CREAT | O_TRUNC, 00644);
+ if(result == -1) {
+ perror("open");
+ return -1;
+ }
+ CPRINTF("\topened trace file %s", tmp);
+
}
+ CPRINTF("done opening trace files");
for(;;) {
- write(STDOUT_FILENO, str, sizeof(str));
-
- result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
- if(result < 0) {
- CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
+ /*wait*/
+
+ for(i=0; i<trace->nr_channels; i++) {
+ struct rchan *rchan = consumer_channels[i].chan->trans_channel_data;
+ struct rchan_buf *rbuf = rchan->buf;
+ struct ltt_channel_buf_struct *lttbuf = consumer_channels[i].chan->buf;
+ long consumed_old;
+
+ result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
+ if(result < 0) {
+ CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
+ }
+ else {
+ CPRINTF("success!");
+
+ result = write(consumer_channels[i].fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
+ ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
+ }
}
- else {
- CPRINTF("success!");
-
- result = write(fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
- ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
- }
-
- //CPRINTF("There seems to be %ld bytes available", SUBBUF_TRUNC(local_read(<tbuf->offset), rbuf->chan) - consumed_old);
- CPRINTF("Commit count %ld", local_read(<tbuf->commit_count[0]));
-
sleep(1);
}
+
+// CPRINTF("consumer: got a trace: %s with %d channels\n", trace_name, trace->nr_channels);
+//
+// struct ltt_channel_struct *chan = &trace->channels[0];
+//
+// CPRINTF("channel 1 (%s) active=%u", chan->channel_name, chan->active & 1);
+
+// struct rchan *rchan = chan->trans_channel_data;
+// struct rchan_buf *rbuf = rchan->buf;
+// struct ltt_channel_buf_struct *lttbuf = chan->buf;
+// long consumed_old;
+//
+// result = fd = open("trace.out", O_WRONLY | O_CREAT | O_TRUNC, 00644);
+// if(result == -1) {
+// perror("open");
+// return -1;
+// }
+
+// for(;;) {
+// write(STDOUT_FILENO, str, sizeof(str));
+//
+// result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
+// if(result < 0) {
+// CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
+// }
+// else {
+// CPRINTF("success!");
+//
+// result = write(fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
+// ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
+// }
+//
+// //CPRINTF("There seems to be %ld bytes available", SUBBUF_TRUNC(local_read(<tbuf->offset), rbuf->chan) - consumed_old);
+// CPRINTF("Commit count %ld", local_read(<tbuf->commit_count[0]));
+//
+//
+// sleep(1);
+// }
}
void start_consumer(void)
int main()
{
int result;
+ int i;
init_int_handler();
//result = ltt_marker_connect("metadata", "testev", "default");
//if(result)
// ERR("ltt_marker_connect");
-
+ result = ltt_marker_connect("foo", "bar", "default");
+ if(result)
+ ERR("ltt_marker_connect");
result = ltt_trace_setup(trace_name);
if(result < 0) {
printf("Hello, World!\n");
sleep(1);
- for(;;) {
+ for(i=0; i<50; i++) {
//trace_mark(abc, testmark, "", MARK_NOARGS);
//trace_mark(metadata, testev, "", MARK_NOARGS);
- trace_mark(metadata, core_marker_id,
- "channel %s name %s event_id %hu "
- "int #1u%zu long #1u%zu pointer #1u%zu "
- "size_t #1u%zu alignment #1u%u",
- "abc", "def", (unsigned short)1000,
- sizeof(int), sizeof(long), sizeof(void *),
- sizeof(size_t), ltt_get_alignment());
+ trace_mark(foo, bar, "%s", "FOOBAZ");
+ //trace_mark(metadata, core_marker_id,
+ // "channel %s name %s event_id %hu "
+ // "int #1u%zu long #1u%zu pointer #1u%zu "
+ // "size_t #1u%zu alignment #1u%u",
+ // "abc", "def", (unsigned short)1000,
+ // sizeof(int), sizeof(long), sizeof(void *),
+ // sizeof(size_t), ltt_get_alignment());
usleep(100000);
}
+ ltt_trace_stop(trace_name);
+ ltt_trace_destroy(trace_name);
+
scanf("%*s");
return 0;