cs_etm__synth_instruction_sample 1379 tools/perf/util/cs-etm.c ret = cs_etm__synth_instruction_sample( cs_etm__synth_instruction_sample 1461 tools/perf/util/cs-etm.c err = cs_etm__synth_instruction_sample( cs_etm__synth_instruction_sample 1514 tools/perf/util/cs-etm.c err = cs_etm__synth_instruction_sample(