op_hw_config.h File Reference

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Defines
#define	OP_MAX_COUNTERS   8
#define	OP_MAX_PERF_COUNT   2147483647UL

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Detailed Description

Configuration parameters that are dependent on CPU/architecture

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

John Levon

Philippe Elie

Definition in file op_hw_config.h.

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Define Documentation

#define OP_MAX_COUNTERS   8

maximum number of counters, up to 4 for Athlon (18 for P4). The primary use of this variable is for static/local array dimension. Never use it in loop or in array index access/index checking unless you know what you made.

Definition at line 22 of file op_hw_config.h.

Referenced by find_counter_event(), get_ibs_vci_key(), ibs_event_to_counter(), ibs_parse_and_set_events(), ibs_sfile_find_counter_event(), ibs_sfile_get(), and opd_put_image_sample().

#define OP_MAX_PERF_COUNT   2147483647UL

maximum number of events between interrupts. Counters are 40 bits, but for convenience we only use 32 bits. The top bit is used for overflow detection, so user can set up to (2^31)-1

Definition at line 28 of file op_hw_config.h.

Referenced by oprof_start::max_perf_count().