/* * Mach Operating System * Copyright (c) 1993 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * HISTORY * $Log: pc_sample.h,v $ * Revision 1.1.1.1 1996/10/30 01:38:13 thomas * Imported from UK22 * * Revision 1.1 1994/11/02 02:24:15 law * Initial revision * * Revision 2.2 93/11/17 19:06:01 dbg * Moved kernel internal definitions here from mach/pc_sample.h. * [93/09/24 dbg] * */ /* * Kernel definitions for PC sampling. */ #ifndef _KERN_PC_SAMPLE_H_ #define _KERN_PC_SAMPLE_H_ #include #include #include #include /* * Control structure for sampling, included in * threads and tasks. If sampletypes is 0, no * sampling is done. */ struct sample_control { vm_offset_t buffer; unsigned int seqno; sampled_pc_flavor_t sampletypes; }; typedef struct sample_control sample_control_t; /* * Routines to take PC samples. */ extern void take_pc_sample( thread_t thread, sample_control_t *cp, sampled_pc_flavor_t flavor); /* * Macro to do quick flavor check for sampling, * on both threads and tasks. */ #define take_pc_sample_macro(thread, flavor) \ MACRO_BEGIN \ task_t task; \ \ if ((thread)->pc_sample.sampletypes & (flavor)) \ take_pc_sample((thread), &(thread)->pc_sample, (flavor)); \ \ task = (thread)->task; \ if (task->pc_sample.sampletypes & (flavor)) \ take_pc_sample((thread), &task->pc_sample, (flavor)); \ MACRO_END #endif /* _KERN_PC_SAMPLE_H_ */