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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /sim/common/sim-profile.h
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
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+/* Profile header for simulators using common framework.
+ Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+
+This file is part of GDB, the GNU debugger.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef SIM_PROFILE_H
+#define SIM_PROFILE_H
+
+#ifndef WITH_PROFILE
+Error, WITH_PROFILE not defined.
+#endif
+
+/* Standard profilable entities. */
+
+enum {
+ /* Profile insn usage. */
+ PROFILE_INSN_IDX = 1,
+
+ /* Profile memory usage. */
+ PROFILE_MEMORY_IDX,
+
+ /* Profile the cpu model (cycles, etc.). */
+ PROFILE_MODEL_IDX,
+
+ /* Profile the simulator's execution cache. */
+ PROFILE_SCACHE_IDX,
+
+ /* Profile the PC. */
+ PROFILE_PC_IDX,
+
+ /* Profile sim-core.c stuff. */
+ /* ??? The difference between this and PROFILE_MEMORY_IDX is ... ? */
+ PROFILE_CORE_IDX,
+
+ /* Simulator specific profile bits begin here. */
+ PROFILE_NEXT_IDX
+};
+
+/* Maximum number of profilable entities. */
+#ifndef MAX_PROFILE_VALUES
+#define MAX_PROFILE_VALUES 32
+#endif
+
+/* The -p option only prints useful values. It's easy to type and shouldn't
+ splat on the screen everything under the sun making nothing easy to
+ find. */
+#define PROFILE_USEFUL_MASK \
+((1 << PROFILE_INSN_IDX) \
+ | (1 << PROFILE_MEMORY_IDX) \
+ | (1 << PROFILE_MODEL_IDX) \
+ | (1 << PROFILE_CORE_IDX))
+
+/* Utility to parse a --profile-<foo> option. */
+/* ??? On the one hand all calls could be confined to sim-profile.c, but
+ on the other hand keeping a module's profiling option with the module's
+ source is cleaner. */
+
+SIM_RC sim_profile_set_option (SIM_DESC sd_, const char *name_, int idx_,
+ const char *arg_);
+
+/* Masks so WITH_PROFILE can have symbolic values.
+ The case choice here is on purpose. The lowercase parts are args to
+ --with-profile. */
+#define PROFILE_insn (1 << PROFILE_INSN_IDX)
+#define PROFILE_memory (1 << PROFILE_MEMORY_IDX)
+#define PROFILE_model (1 << PROFILE_MODEL_IDX)
+#define PROFILE_scache (1 << PROFILE_SCACHE_IDX)
+#define PROFILE_pc (1 << PROFILE_PC_IDX)
+#define PROFILE_core (1 << PROFILE_CORE_IDX)
+
+/* Preprocessor macros to simplify tests of WITH_PROFILE. */
+#define WITH_PROFILE_INSN_P (WITH_PROFILE & PROFILE_insn)
+#define WITH_PROFILE_MEMORY_P (WITH_PROFILE & PROFILE_memory)
+#define WITH_PROFILE_MODEL_P (WITH_PROFILE & PROFILE_model)
+#define WITH_PROFILE_SCACHE_P (WITH_PROFILE & PROFILE_scache)
+#define WITH_PROFILE_PC_P (WITH_PROFILE & PROFILE_pc)
+#define WITH_PROFILE_CORE_P (WITH_PROFILE & PROFILE_core)
+
+/* If MAX_TARGET_MODES isn't defined, we can't do memory profiling.
+ ??? It is intended that this is a temporary occurence. Normally
+ MAX_TARGET_MODES is defined. */
+#ifndef MAX_TARGET_MODES
+#undef WITH_PROFILE_MEMORY_P
+#define WITH_PROFILE_MEMORY_P 0
+#endif
+
+/* Only build MODEL code when the target simulator has support for it */
+#ifndef SIM_HAVE_MODEL
+#undef WITH_PROFILE_MODEL_P
+#define WITH_PROFILE_MODEL_P 0
+#endif
+
+/* Profiling install handler. */
+MODULE_INSTALL_FN profile_install;
+
+/* Output format macros. */
+#ifndef PROFILE_HISTOGRAM_WIDTH
+#define PROFILE_HISTOGRAM_WIDTH 40
+#endif
+#ifndef PROFILE_LABEL_WIDTH
+#define PROFILE_LABEL_WIDTH 32
+#endif
+
+/* Callbacks for internal profile_info.
+ The callbacks may be NULL meaning there isn't one.
+ Note that results are indented two spaces to distinguish them from
+ section titles.
+ If non-NULL, PROFILE_CALLBACK is called to print extra non-cpu related data.
+ If non-NULL, PROFILE_CPU_CALLBACK is called to print extra cpu related data.
+ */
+
+typedef void (PROFILE_INFO_CALLBACK_FN) (SIM_DESC, int);
+struct _sim_cpu; /* forward reference */
+typedef void (PROFILE_INFO_CPU_CALLBACK_FN) (struct _sim_cpu *cpu, int verbose);
+
+
+/* Struct containing most profiling data.
+ It doesn't contain all profiling data because for example scache data
+ is kept with the rest of scache support. */
+
+typedef struct {
+ /* Global summary of all the current profiling options. */
+ char profile_any_p;
+
+ /* Boolean array of specified profiling flags. */
+ char profile_flags[MAX_PROFILE_VALUES];
+#define PROFILE_FLAGS(p) ((p)->profile_flags)
+
+ /* The total insn count is tracked separately.
+ It is always computed, regardless of insn profiling. */
+ unsigned long total_insn_count;
+#define PROFILE_TOTAL_INSN_COUNT(p) ((p)->total_insn_count)
+
+#if WITH_PROFILE_INSN_P
+ unsigned int *insn_count;
+#define PROFILE_INSN_COUNT(p) ((p)->insn_count)
+#endif
+
+#if WITH_PROFILE_MEMORY_P
+ unsigned int read_count[MAX_TARGET_MODES];
+#define PROFILE_READ_COUNT(p) ((p)->read_count)
+ unsigned int write_count[MAX_TARGET_MODES];
+#define PROFILE_WRITE_COUNT(p) ((p)->write_count)
+#endif
+
+#if WITH_PROFILE_CORE_P
+ /* Count read/write/exec accesses separatly. */
+ unsigned int core_count[nr_maps];
+#define PROFILE_CORE_COUNT(p) ((p)->core_count)
+#endif
+
+#if WITH_PROFILE_MODEL_P
+ /* ??? Quick hack until more elaborate scheme is finished. */
+ /* Total cycle count, including stalls. */
+ unsigned long total_cycles;
+#define PROFILE_MODEL_TOTAL_CYCLES(p) ((p)->total_cycles)
+ /* Stalls due to branches. */
+ unsigned long cti_stall_cycles;
+#define PROFILE_MODEL_CTI_STALL_CYCLES(p) ((p)->cti_stall_cycles)
+ unsigned long load_stall_cycles;
+#define PROFILE_MODEL_LOAD_STALL_CYCLES(p) ((p)->load_stall_cycles)
+ /* Number of cycles the current instruction took. */
+ unsigned long cur_insn_cycles;
+#define PROFILE_MODEL_CUR_INSN_CYCLES(p) ((p)->cur_insn_cycles)
+
+ /* Taken and not-taken branches (and other cti's). */
+ unsigned long taken_count, untaken_count;
+#define PROFILE_MODEL_TAKEN_COUNT(p) ((p)->taken_count)
+#define PROFILE_MODEL_UNTAKEN_COUNT(p) ((p)->untaken_count)
+#endif
+
+#if WITH_PROFILE_PC_P
+ /* PC profiling attempts to determine function usage by sampling the PC
+ every so many instructions. */
+ unsigned int profile_pc_freq;
+#define PROFILE_PC_FREQ(p) ((p)->profile_pc_freq)
+ unsigned int profile_pc_nr_buckets;
+#define PROFILE_PC_NR_BUCKETS(p) ((p)->profile_pc_nr_buckets)
+ address_word profile_pc_start;
+#define PROFILE_PC_START(p) ((p)->profile_pc_start)
+ address_word profile_pc_end;
+#define PROFILE_PC_END(p) ((p)->profile_pc_end)
+ unsigned profile_pc_shift;
+#define PROFILE_PC_SHIFT(p) ((p)->profile_pc_shift)
+#define PROFILE_PC_BUCKET_SIZE(p) (PROFILE_PC_SHIFT (p) ? (1 << PROFILE_PC_SHIFT (p)) : 0)
+ unsigned *profile_pc_count;
+#define PROFILE_PC_COUNT(p) ((p)->profile_pc_count)
+ sim_event *profile_pc_event;
+#define PROFILE_PC_EVENT(p) ((p)->profile_pc_event)
+#endif
+
+ /* Profile output goes to this or stderr if NULL.
+ We can't store `stderr' here as stderr goes through a callback. */
+ FILE *profile_file;
+#define PROFILE_FILE(p) ((p)->profile_file)
+
+ /* When reporting a profile summary, hook to include per-processor
+ target specific profile information */
+ PROFILE_INFO_CPU_CALLBACK_FN *info_cpu_callback;
+#define PROFILE_INFO_CPU_CALLBACK(p) ((p)->info_cpu_callback)
+
+ /* When reporting a profile summary, hook to include common target
+ specific profile information */
+ PROFILE_INFO_CALLBACK_FN *info_callback;
+#define STATE_PROFILE_INFO_CALLBACK(sd) \
+(CPU_PROFILE_DATA (STATE_CPU (sd, 0))->info_callback)
+
+ /* Profile range.
+ ??? Not all cpu's support this. */
+ ADDR_RANGE range;
+#define PROFILE_RANGE(p) (& (p)->range)
+} PROFILE_DATA;
+
+/* Predicates. */
+
+#define CPU_PROFILE_FLAGS(cpu) PROFILE_FLAGS (CPU_PROFILE_DATA (cpu))
+
+/* Return non-zero if tracing of IDX is enabled for CPU. */
+#define PROFILE_P(cpu,idx) \
+((WITH_PROFILE & (1 << (idx))) != 0 \
+ && CPU_PROFILE_FLAGS (cpu)[idx] != 0)
+
+/* Non-zero if --profile-<xxxx> was specified for CPU. */
+#define PROFILE_ANY_P(cpu) ((WITH_PROFILE) && (CPU_PROFILE_DATA (cpu)->profile_any_p))
+#define PROFILE_INSN_P(cpu) PROFILE_P (cpu, PROFILE_INSN_IDX)
+#define PROFILE_MEMORY_P(cpu) PROFILE_P (cpu, PROFILE_MEMORY_IDX)
+#define PROFILE_MODEL_P(cpu) PROFILE_P (cpu, PROFILE_MODEL_IDX)
+#define PROFILE_SCACHE_P(cpu) PROFILE_P (cpu, PROFILE_SCACHE_IDX)
+#define PROFILE_PC_P(cpu) PROFILE_P (cpu, PROFILE_PC_IDX)
+#define PROFILE_CORE_P(cpu) PROFILE_P (cpu, PROFILE_CORE_IDX)
+
+/* Usage macros. */
+
+#if WITH_PROFILE_INSN_P
+#define PROFILE_COUNT_INSN(cpu, pc, insn_num) \
+do { \
+ if (PROFILE_INSN_P (cpu)) \
+ ++ PROFILE_INSN_COUNT (CPU_PROFILE_DATA (cpu)) [insn_num]; \
+} while (0)
+#else
+#define PROFILE_COUNT_INSN(cpu, pc, insn_num)
+#endif /* ! insn */
+
+#if WITH_PROFILE_MEMORY_P
+#define PROFILE_COUNT_READ(cpu, addr, mode_num) \
+do { \
+ if (PROFILE_MEMORY_P (cpu)) \
+ ++ PROFILE_READ_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
+} while (0)
+#define PROFILE_COUNT_WRITE(cpu, addr, mode_num) \
+do { \
+ if (PROFILE_MEMORY_P (cpu)) \
+ ++ PROFILE_WRITE_COUNT (CPU_PROFILE_DATA (cpu)) [mode_num]; \
+} while (0)
+#else
+#define PROFILE_COUNT_READ(cpu, addr, mode_num)
+#define PROFILE_COUNT_WRITE(cpu, addr, mode_num)
+#endif /* ! memory */
+
+#if WITH_PROFILE_CORE_P
+#define PROFILE_COUNT_CORE(cpu, addr, size, map) \
+do { \
+ if (PROFILE_CORE_P (cpu)) \
+ PROFILE_CORE_COUNT (CPU_PROFILE_DATA (cpu)) [map] += 1; \
+} while (0)
+#else
+#define PROFILE_COUNT_CORE(cpu, addr, size, map)
+#endif /* ! core */
+
+/* Misc. utilities. */
+
+extern void sim_profile_print_bar (SIM_DESC, unsigned int, unsigned int, unsigned int);
+
+#endif /* SIM_PROFILE_H */