PyErr_SetFromErrno 832 tools/perf/util/python.c PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno 909 tools/perf/util/python.c PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno 929 tools/perf/util/python.c PyErr_SetFromErrno(PyExc_OSError); PyErr_SetFromErrno 1074 tools/perf/util/python.c PyErr_SetFromErrno(PyExc_OSError);