Fix "1e12" fail
Fix "1e12" fail

Fix the following "1e12" parser error,
./perf stat  -M TIOPS  -a sleep 1
event syntax error: '{1e12/metric-id=1e12/,AMX_OPS_RETIRED.INT8/metric-id=AMX_OPS_RETIRED.INT8/}:W,duration_time'
                      \___ parser error

Signed-off-by: Zhengjun Xing <e93ad64aa28e0f5b0e0d92d320a7d0f379095717@linux.intel.com>

intel/event-converter-for-linux-perf,intel/event-converter-for-linux-perf