1PERF_SAMPLE_IP 1 << 0 2PERF_SAMPLE_TID 1 << 1 3PERF_SAMPLE_TIME 1 << 2 4PERF_SAMPLE_ADDR 1 << 3 5PERF_SAMPLE_READ 1 << 4 6PERF_SAMPLE_CALLCHAIN 1 << 5 7PERF_SAMPLE_ID 1 << 6 8PERF_SAMPLE_CPU 1 << 7 9PERF_SAMPLE_PERIOD 1 << 8 10PERF_SAMPLE_STREAM_ID 1 << 9 11PERF_SAMPLE_RAW 1 << 10 12PERF_SAMPLE_BRANCH_STACK 1 << 11 13PERF_SAMPLE_REGS_USER 1 << 12 14PERF_SAMPLE_STACK_USER 1 << 13 15PERF_SAMPLE_WEIGHT 1 << 14 16PERF_SAMPLE_DATA_SRC 1 << 15 17PERF_SAMPLE_IDENTIFIER 1 << 16 18PERF_SAMPLE_TRANSACTION 1 << 17 19PERF_SAMPLE_REGS_INTR 1 << 18 20