PFM_CMD_STOP      491 arch/ia64/kernel/perfmon.c #define PFM_CMD_STOPPED(cmd)	(pfm_cmd_tab[(cmd)].cmd_flags & PFM_CMD_STOP)
PFM_CMD_STOP     4560 arch/ia64/kernel/perfmon.c #define PFM_CMD_PCLRWS	(PFM_CMD_FD|PFM_CMD_ARG_RW|PFM_CMD_STOP)