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trace: Replace error with warning if event is not defined

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At the moment QEMU exits if trace point is not defined which makes
a developer life harder if he has to switch between branches with
different traces implemented.

This replaces error+exit wit WARNING if the tracepoint does not exist or
not traceable.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2014-05-21 18:16:01 +10:00 committed by Stefan Hajnoczi
parent 80ff35cd3f
commit 82432638eb
1 changed files with 7 additions and 7 deletions
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14
trace/control.c
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@ -112,15 +112,15 @@ void trace_backend_init_events(const char *fname)
TraceEvent *ev = trace_event_name(line_ptr);
if (ev == NULL) {
fprintf(stderr,
"error: trace event '%s' does not exist\n", line_ptr);
exit(1);
}
if (!trace_event_get_state_static(ev)) {
"WARNING: trace event '%s' does not exist\n",
line_ptr);
} else if (!trace_event_get_state_static(ev)) {
fprintf(stderr,
"error: trace event '%s' is not traceable\n", line_ptr);
exit(1);
"WARNING: trace event '%s' is not traceable\n",
line_ptr);
} else {
trace_event_set_state_dynamic(ev, enable);
}
trace_event_set_state_dynamic(ev, enable);
}
}
}