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perf tools: Handle - and + in parsing trace print format 

The opterators '-' and '+' are not handled in the trace print
format.

To do: '++' and '--'.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20091014194400.330843045@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-10-14 15:43:43 -04:00 committed by Ingo Molnar
parent cda48461c7
commit afdf1a404e
1 changed files with 6 additions and 0 deletions
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6
tools/perf/util/trace-event-parse.c
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@ -2106,6 +2106,12 @@ static unsigned long long eval_num_arg(void *data, int size,
die("unknown op '%s'", arg->op.op);
val = left == right;
break;
case '-':
val = left - right;
break;
case '+':
val = left + right;
break;
default:
die("unknown op '%s'", arg->op.op);
}