247 lines
8.1 KiB
C
247 lines
8.1 KiB
C
/* Profile header for simulators using common framework.
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Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef SIM_PROFILE_H
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#define SIM_PROFILE_H
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#ifndef WITH_PROFILE
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Error, WITH_PROFILE not defined.
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#endif
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/* Maximum number of profilable entities. */
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#ifndef MAX_PROFILE_VALUES
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#define MAX_PROFILE_VALUES 8
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#endif
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/* Standard profilable entities. */
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#define PROFILE_INSN_IDX 0
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#define PROFILE_MEMORY_IDX 1
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#define PROFILE_MODEL_IDX 2
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#define PROFILE_SCACHE_IDX 3
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#define PROFILE_PC_IDX 4
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#define PROFILE_CORE_IDX 5
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#define PROFILE_NEXT_IDX 6 /* simulator specific profile bits begin here */
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/* Masks so WITH_PROFILE can have symbolic values. */
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#define PROFILE_insn 1
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#define PROFILE_memory 2
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#define PROFILE_model 4
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#define PROFILE_scache 8
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#define PROFILE_pc 16
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#define PROFILE_core 32
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/* Preprocessor macros to simplify tests of WITH_PROFILE. */
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#define WITH_PROFILE_INSN_P (WITH_PROFILE & PROFILE_insn)
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#define WITH_PROFILE_MEMORY_P (WITH_PROFILE & PROFILE_memory)
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#define WITH_PROFILE_MODEL_P (WITH_PROFILE & PROFILE_model)
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#define WITH_PROFILE_SCACHE_P (WITH_PROFILE & PROFILE_scache)
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#define WITH_PROFILE_PC_P (WITH_PROFILE & PROFILE_pc)
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#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core)
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/* If MAX_INSNS isn't defined, we can't do instruction profiling.
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??? It is intended that this is a temporary occurence. Normally
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MAX_INSNS is defined. */
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#ifndef MAX_INSNS
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#undef WITH_PROFILE_INSN_P
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#define WITH_PROFILE_INSN_P 0
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#endif
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/* If MAX_MODES isn't defined, we can't do memory profiling.
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??? It is intended that this is a temporary occurence. Normally
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MAX_MODES is defined. */
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#ifndef MAX_MODES
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#undef WITH_PROFILE_MEMORY_P
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#define WITH_PROFILE_MEMORY_P 0
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#endif
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/* Only build MODEL code when the target simulator has support for it */
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#ifndef SIM_HAVE_MODEL
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#undef WITH_PROFILE_MODEL_P
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#define WITH_PROFILE_MODEL_P 0
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#endif
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/* Profiling install handler. */
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MODULE_INSTALL_FN profile_install;
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/* Output format macros. */
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#ifndef PROFILE_HISTOGRAM_WIDTH
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#define PROFILE_HISTOGRAM_WIDTH 40
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#endif
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#ifndef PROFILE_LABEL_WIDTH
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#define PROFILE_LABEL_WIDTH 32
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#endif
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/* Callbacks for internal profile_info.
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The callbacks may be NULL meaning there isn't one.
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Note that results are indented two spaces to distinguish them from
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section titles.
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If non-NULL, PROFILE_CALLBACK is called to print extra non-cpu related data.
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If non-NULL, PROFILE_CPU_CALLBACK is called to print extra cpu related data.
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*/
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typedef void (PROFILE_INFO_CALLBACK_FN) (SIM_DESC, int);
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struct _sim_cpu; /* forward reference */
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typedef void (PROFILE_INFO_CPU_CALLBACK_FN) (struct _sim_cpu *cpu, int verbose);
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/* Struct containing most profiling data.
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It doesn't contain all profiling data because for example scache data
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is kept with the rest of scache support. */
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typedef struct {
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/* Boolean array of specified profiling flags. */
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char profile_flags[MAX_PROFILE_VALUES];
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#define PROFILE_FLAGS(p) ((p)->profile_flags)
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/* The total insn count is tracked separately.
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It is always computed, regardless of insn profiling. */
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unsigned long total_insn_count;
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#define PROFILE_TOTAL_INSN_COUNT(p) ((p)->total_insn_count)
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/* Execution time in milliseconds. */
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unsigned long exec_time;
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#define PROFILE_EXEC_TIME(p) ((p)->exec_time)
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#if WITH_PROFILE_INSN_P
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unsigned int insn_count[MAX_INSNS];
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#define PROFILE_INSN_COUNT(p) ((p)->insn_count)
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#endif
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#if WITH_PROFILE_MEMORY_P
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unsigned int read_count[MAX_MODES];
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#define PROFILE_READ_COUNT(p) ((p)->read_count)
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unsigned int write_count[MAX_MODES];
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#define PROFILE_WRITE_COUNT(p) ((p)->write_count)
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#endif
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#if WITH_PROFILE_CORE_P
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/* Count read/write/exec accesses separatly. */
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unsigned int core_count[nr_sim_core_maps];
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#define PROFILE_CORE_COUNT(p) ((p)->core_count)
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#endif
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#if WITH_PROFILE_MODEL_P
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/* Total cycle count (less stalls). */
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unsigned long cycle_count;
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#define PROFILE_MODEL_CYCLE_COUNT(p) ((p)->cycle_count)
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/* Stalls due to branches. */
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unsigned long cti_stall_count;
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#define PROFILE_MODEL_CTI_STALL_COUNT(p) ((p)->cti_stall_count)
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unsigned long load_stall_count;
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#define PROFILE_MODEL_LOAD_STALL_COUNT(p) ((p)->load_stall_count)
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/* Taken and not-taken branches (and other cti's). */
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#define PROFILE_TOTAL_CYCLE_COUNT(p) \
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(PROFILE_MODEL_CYCLE_COUNT(p) \
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+ PROFILE_MODEL_CTI_STALL_COUNT(p) \
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+ PROFILE_MODEL_LOAD_STALL_COUNT(p))
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unsigned long taken_count, untaken_count;
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#define PROFILE_MODEL_TAKEN_COUNT(p) ((p)->taken_count)
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#define PROFILE_MODEL_UNTAKEN_COUNT(p) ((p)->untaken_count)
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#endif
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#if WITH_PROFILE_PC_P
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/* PC profiling attempts to determine function usage by sampling the PC
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every so many instructions. */
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unsigned int profile_pc_freq;
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#define PROFILE_PC_FREQ(p) ((p)->profile_pc_freq)
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unsigned int profile_pc_nr_buckets;
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#define PROFILE_PC_NR_BUCKETS(p) ((p)->profile_pc_nr_buckets)
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address_word profile_pc_start;
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#define PROFILE_PC_START(p) ((p)->profile_pc_start)
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address_word profile_pc_end;
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#define PROFILE_PC_END(p) ((p)->profile_pc_end)
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unsigned profile_pc_shift;
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#define PROFILE_PC_SHIFT(p) ((p)->profile_pc_shift)
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#define PROFILE_PC_BUCKET_SIZE(p) (PROFILE_PC_SHIFT (p) ? (1 << PROFILE_PC_SHIFT (p)) : 0)
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unsigned *profile_pc_count;
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#define PROFILE_PC_COUNT(p) ((p)->profile_pc_count)
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sim_event *profile_pc_event;
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#define PROFILE_PC_EVENT(p) ((p)->profile_pc_event)
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#endif
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/* Profile output goes to this or stderr if NULL.
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We can't store `stderr' here as stderr goes through a callback. */
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FILE *profile_file;
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#define PROFILE_FILE(p) ((p)->profile_file)
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/* When reporting a profile summary, hook to include per-processor
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target specific profile information */
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PROFILE_INFO_CPU_CALLBACK_FN *info_cpu_callback;
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#define PROFILE_INFO_CPU_CALLBACK(p) ((p)->info_cpu_callback)
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/* When reporting a profile summary, hook to include common target
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specific profile information */
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PROFILE_INFO_CALLBACK_FN *info_callback;
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#define STATE_PROFILE_INFO_CALLBACK(sd) \
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(CPU_PROFILE_DATA (STATE_CPU (sd, 0))->info_callback)
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} PROFILE_DATA;
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/* Usage macros. */
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#define CPU_PROFILE_FLAGS(cpu) PROFILE_FLAGS (CPU_PROFILE_DATA (cpu))
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#if WITH_PROFILE_INSN_P
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#define PROFILE_COUNT_INSN(cpu, pc, insn_num) \
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do { \
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if (CPU_PROFILE_FLAGS (cpu) [PROFILE_INSN_IDX]) \
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++ PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) [insn_num]; \
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} while (0)
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#else
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#define PROFILE_COUNT_INSN(cpu, pc, insn_num)
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#endif /* ! insn */
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#if WITH_PROFILE_MEMORY_P
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#define PROFILE_COUNT_READ(cpu, addr, mode_num) \
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do { \
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if (CPU_PROFILE_FLAGS (cpu) [PROFILE_MEMORY_IDX]) \
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++ PROFILE_READ_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
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} while (0)
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#define PROFILE_COUNT_WRITE(cpu, addr, mode_num) \
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do { \
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if (CPU_PROFILE_FLAGS (cpu) [PROFILE_MEMORY_IDX]) \
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++ PROFILE_WRITE_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
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} while (0)
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#else
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#define PROFILE_COUNT_READ(cpu, addr, mode_num)
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#define PROFILE_COUNT_WRITE(cpu, addr, mode_num)
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#endif /* ! memory */
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#if WITH_PROFILE_CORE_P
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#define PROFILE_COUNT_CORE(cpu, addr, size, map) \
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do { \
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if (CPU_PROFILE_FLAGS (cpu) [PROFILE_CORE_IDX]) \
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PROFILE_CORE_COUNT (CPU_PROFILE_DATA (cpu)) [map] += 1; \
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} while (0)
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#else
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#define PROFILE_COUNT_CORE(cpu, addr, size, map)
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#endif /* ! core */
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#if WITH_PROFILE_MODEL_P
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/* Model profiling is a bit more complicated so we just provide a macro
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to say whether to do it or not. */
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#define PROFILE_MODEL_P(cpu) \
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(CPU_PROFILE_FLAGS (cpu) [PROFILE_MODEL_IDX])
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#else
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#define PROFILE_MODEL_P(cpu) 0
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#endif /* ! model */
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#endif /* SIM_PROFILE_H */
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