* sim-base.h (sim_state_base): Delete member `model'.
(sim_cpu_base): Add member `model'. * sim-model.h (IMP_PROPERTIES): New type. (MACH): New members imp_props, models. (models): Delete decl. * sim-model.c (set_model): Update. * sim-profile.c (profile_print_model): Update.
This commit is contained in:
Doug Evans
parent
7e13b93461
commit
8cc6a83b83
1 changed files with 524 additions and 45 deletions
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@ -21,20 +21,39 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "sim-main.h"
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#include "sim-io.h"
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#include "sim-options.h"
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#include "sim-assert.h"
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#define COMMAS(n) sim_add_commas (comma_buf, sizeof (comma_buf), (n))
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static MODULE_UNINSTALL_FN profile_uninstall;
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#if WITH_PROFILE_INSN_P || WITH_PROFILE_MEMORY_P || WITH_PROFILE_CORE_P || WITH_PROFILE_PC_P
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static void print_bar (SIM_DESC, unsigned int, unsigned int, unsigned int);
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#endif
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static DECLARE_OPTION_HANDLER (profile_option_handler);
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#define OPTION_PROFILE_INSN (OPTION_START + 0)
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#define OPTION_PROFILE_MEMORY (OPTION_START + 1)
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#define OPTION_PROFILE_MODEL (OPTION_START + 2)
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#define OPTION_PROFILE_FILE (OPTION_START + 3)
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#define OPTION_PROFILE_RANGE (OPTION_START + 4)
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#define OPTION_PROFILE_INSN (OPTION_START + 0)
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#define OPTION_PROFILE_MEMORY (OPTION_START + 1)
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#define OPTION_PROFILE_MODEL (OPTION_START + 2)
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#define OPTION_PROFILE_FILE (OPTION_START + 3)
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#define OPTION_PROFILE_RANGE (OPTION_START + 4)
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#define OPTION_PROFILE_CORE (OPTION_START + 5)
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#define OPTION_PROFILE_PC (OPTION_START + 6)
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#define OPTION_PROFILE_PC_RANGE (OPTION_START + 7)
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#define OPTION_PROFILE_PC_GRANULARITY (OPTION_START + 8)
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static const OPTION profile_options[] = {
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{ {"profile", no_argument, NULL, 'p'},
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@ -46,28 +65,47 @@ static const OPTION profile_options[] = {
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{ {"profile-memory", no_argument, NULL, OPTION_PROFILE_MEMORY},
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'\0', NULL, "Perform memory profiling",
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profile_option_handler },
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{ {"profile-core", no_argument, NULL, OPTION_PROFILE_CORE},
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'\0', NULL, "Perform CORE profiling",
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profile_option_handler },
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{ {"profile-model", no_argument, NULL, OPTION_PROFILE_MODEL},
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'\0', NULL, "Perform model profiling",
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profile_option_handler },
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{ {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
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'\0', "FILE NAME", "Specify profile output file",
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profile_option_handler },
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{ {"profile-pc", no_argument, NULL, OPTION_PROFILE_PC},
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'\0', NULL, "Perform PC profiling",
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profile_option_handler },
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{ {"profile-pc-frequency", required_argument, NULL, 'F'},
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'F', "PC PROFILE FREQUENCY", "Turn on PC profiling at specified frequency",
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'F', "PC PROFILE FREQUENCY", "Specified PC profiling frequency",
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profile_option_handler },
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{ {"profile-pc-size", required_argument, NULL, 'S'},
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'S', "PC PROFILE SIZE", "Specify PC profiling size",
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profile_option_handler },
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{ {"profile-pc-granularity", required_argument, NULL, OPTION_PROFILE_PC_GRANULARITY},
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'\0', "PC PROFILE GRANULARITY", "Specify PC profiling sample coverage",
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profile_option_handler },
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{ {"profile-pc-range", required_argument, NULL, OPTION_PROFILE_PC_RANGE},
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'\0', "BASE,BOUND", "Specify PC profiling address range",
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profile_option_handler },
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#if 0 /*FIXME:wip*/
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{ {"profile-range", required_argument, NULL, OPTION_PROFILE_RANGE},
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0, NULL, "Specify range of addresses to profile",
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profile_option_handler },
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#endif
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{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
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};
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static SIM_RC
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profile_option_handler (SIM_DESC sd, int opt, char *arg)
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profile_option_handler (SIM_DESC sd,
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int opt,
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char *arg,
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int is_command)
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{
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int i,n;
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@ -102,6 +140,15 @@ profile_option_handler (SIM_DESC sd, int opt, char *arg)
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#endif
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break;
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case OPTION_PROFILE_CORE :
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#if WITH_PROFILE_CORE_P
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_CORE_IDX] = 1;
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#else
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sim_io_eprintf (sd, "CORE profiling not compiled in, `--profile-core' ignored\n");
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#endif
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break;
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case OPTION_PROFILE_MODEL :
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#if WITH_PROFILE_MODEL_P
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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@ -130,28 +177,100 @@ profile_option_handler (SIM_DESC sd, int opt, char *arg)
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}
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break;
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case OPTION_PROFILE_PC:
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if (WITH_PROFILE_PC_P)
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] = 1;
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}
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else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc' ignored\n");
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break;
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case 'F' :
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#if WITH_PROFILE_PC_P
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/* FIXME: Validate arg. */
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i = atoi (arg);
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = i;
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#else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
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#endif
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if (WITH_PROFILE_PC_P)
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{
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/* FIXME: Validate arg. */
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i = atoi (arg);
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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PROFILE_PC_FREQ (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = i;
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] = 1;
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}
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else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-frequency' ignored\n");
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break;
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case 'S' :
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#if WITH_PROFILE_PC_P
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/* FIXME: Validate arg. */
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i = atoi (arg);
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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PROFILE_PC_SIZE (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = i;
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#else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
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#endif
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if (WITH_PROFILE_PC_P)
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{
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/* FIXME: Validate arg. */
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i = atoi (arg);
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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PROFILE_PC_NR_BUCKETS (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = i;
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] = 1;
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}
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else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-size' ignored\n");
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break;
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case OPTION_PROFILE_PC_GRANULARITY:
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if (WITH_PROFILE_PC_P)
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{
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int shift;
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i = atoi (arg);
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/* check that the granularity is a power of two */
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shift = 0;
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while (i > (1 << shift))
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{
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shift += 1;
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}
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if (i != (1 << shift))
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{
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sim_io_eprintf (sd, "PC profiling granularity not a power of two\n");
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return SIM_RC_FAIL;
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}
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if (shift == 0)
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{
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sim_io_eprintf (sd, "PC profiling granularity too small");
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return SIM_RC_FAIL;
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}
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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PROFILE_PC_SHIFT (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = shift;
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] = 1;
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}
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else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-granularity' ignored\n");
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break;
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case OPTION_PROFILE_PC_RANGE:
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if (WITH_PROFILE_PC_P)
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{
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/* FIXME: Validate args */
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char *chp = arg;
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unsigned long base;
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unsigned long bound;
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base = strtoul (chp, &chp, 0);
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if (*chp != ',')
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{
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sim_io_eprintf (sd, "--profile-pc-range missing BOUND argument\n");
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return SIM_RC_FAIL;
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}
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bound = strtoul (chp + 1, NULL, 0);
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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{
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PROFILE_PC_START (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = base;
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PROFILE_PC_END (CPU_PROFILE_DATA (STATE_CPU (sd, n))) = bound;
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}
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX] = 1;
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}
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else
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sim_io_eprintf (sd, "PC profiling not compiled in, `--profile-pc-range' ignored\n");
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#if 0 /* FIXME:wip */
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case OPTION_PROFILE_RANGE :
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break;
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@ -161,33 +280,257 @@ profile_option_handler (SIM_DESC sd, int opt, char *arg)
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return SIM_RC_OK;
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}
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/* Install profiling support in the simulator. */
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/* PC profiling support */
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SIM_RC
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profile_install (SIM_DESC sd)
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#if WITH_PROFILE_PC_P
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static void
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profile_pc_cleanup (SIM_DESC sd)
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{
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int i;
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int n;
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for (n = 0; n < MAX_NR_PROCESSORS; n++)
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{
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sim_cpu *cpu = STATE_CPU (sd, n);
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PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
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if (PROFILE_PC_COUNT (data) != NULL)
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zfree (PROFILE_PC_COUNT (data));
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PROFILE_PC_COUNT (data) = NULL;
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if (PROFILE_PC_EVENT (data) != NULL)
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sim_events_deschedule (sd, PROFILE_PC_EVENT (data));
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PROFILE_PC_EVENT (data) = NULL;
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}
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}
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sim_add_option_table (sd, profile_options);
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for (i = 0; i < MAX_NR_PROCESSORS; ++i)
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memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
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sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
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sim_module_add_uninstall_fn (sd, profile_uninstall);
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static void
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profile_pc_uninstall (SIM_DESC sd)
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{
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profile_pc_cleanup (sd);
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}
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static void
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profile_pc_event (SIM_DESC sd,
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void *data)
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{
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sim_cpu *cpu = (sim_cpu*) data;
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PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
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address_word pc;
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unsigned i;
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switch (STATE_WATCHPOINTS (sd)->sizeof_pc)
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{
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case 2: pc = *(unsigned_2*)(STATE_WATCHPOINTS (sd)->pc) ; break;
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case 4: pc = *(unsigned_4*)(STATE_WATCHPOINTS (sd)->pc) ; break;
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case 8: pc = *(unsigned_8*)(STATE_WATCHPOINTS (sd)->pc) ; break;
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default: pc = 0;
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}
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i = (pc - PROFILE_PC_START (profile)) >> PROFILE_PC_SHIFT (profile);
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if (i < PROFILE_PC_NR_BUCKETS (profile))
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PROFILE_PC_COUNT (profile) [i] += 1; /* Overflow? */
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else
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PROFILE_PC_COUNT (profile) [PROFILE_PC_NR_BUCKETS (profile)] += 1;
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PROFILE_PC_EVENT (profile) =
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sim_events_schedule (sd, PROFILE_PC_FREQ (profile), profile_pc_event, cpu);
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}
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static SIM_RC
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profile_pc_init (SIM_DESC sd)
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{
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int n;
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profile_pc_cleanup (sd);
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for (n = 0; n < MAX_NR_PROCESSORS; n++)
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{
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sim_cpu *cpu = STATE_CPU (sd, n);
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PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
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if (CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_PC_IDX]
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&& STATE_WATCHPOINTS (sd)->pc != NULL)
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{
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int bucket_size;
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/* fill in the frequency if not specified */
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if (PROFILE_PC_FREQ (data) == 0)
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PROFILE_PC_FREQ (data) = 256;
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/* fill in the start/end if not specified */
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if (PROFILE_PC_END (data) == 0)
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{
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PROFILE_PC_START (data) = STATE_TEXT_START (sd);
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PROFILE_PC_END (data) = STATE_TEXT_END (sd);
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}
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/* Compute the number of buckets if not specified. */
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if (PROFILE_PC_NR_BUCKETS (data) == 0)
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{
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if (PROFILE_PC_BUCKET_SIZE (data) == 0)
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PROFILE_PC_NR_BUCKETS (data) = 16;
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else
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{
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if (PROFILE_PC_END (data) == 0)
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{
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/* nr_buckets = (full-address-range / 2) / (bucket_size / 2) */
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PROFILE_PC_NR_BUCKETS (data) =
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((1 << (STATE_WATCHPOINTS (sd)->sizeof_pc) * (8 - 1))
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/ (PROFILE_PC_BUCKET_SIZE (data) / 2));
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}
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else
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{
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PROFILE_PC_NR_BUCKETS (data) =
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((PROFILE_PC_END (data)
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- PROFILE_PC_START (data)
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+ PROFILE_PC_BUCKET_SIZE (data) - 1)
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/ PROFILE_PC_BUCKET_SIZE (data));
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}
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}
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}
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/* Compute the bucket size if not specified. Ensure that it
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is rounded up to the next power of two */
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if (PROFILE_PC_BUCKET_SIZE (data) == 0)
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{
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if (PROFILE_PC_END (data) == 0)
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/* bucket_size = (full-address-range / 2) / (nr_buckets / 2) */
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bucket_size = ((1 << ((STATE_WATCHPOINTS (sd)->sizeof_pc * 8) - 1))
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/ (PROFILE_PC_NR_BUCKETS (data) / 2));
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else
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bucket_size = ((PROFILE_PC_END (data)
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- PROFILE_PC_START (data)
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+ PROFILE_PC_NR_BUCKETS (data) - 1)
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/ PROFILE_PC_NR_BUCKETS (data));
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PROFILE_PC_SHIFT (data) = 0;
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while (bucket_size < PROFILE_PC_BUCKET_SIZE (data))
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{
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PROFILE_PC_SHIFT (data) += 1;
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}
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}
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/* Align the end address with bucket size */
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if (PROFILE_PC_END (data) != 0)
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PROFILE_PC_END (data) = (PROFILE_PC_START (data)
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+ (PROFILE_PC_BUCKET_SIZE (data)
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* PROFILE_PC_NR_BUCKETS (data)));
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/* create the relevant buffers */
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PROFILE_PC_COUNT (data) =
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NZALLOC (unsigned, PROFILE_PC_NR_BUCKETS (data) + 1);
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PROFILE_PC_EVENT (data) =
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sim_events_schedule (sd,
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PROFILE_PC_FREQ (data),
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profile_pc_event,
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cpu);
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}
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}
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return SIM_RC_OK;
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}
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static void
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profile_uninstall (SIM_DESC sd)
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profile_print_pc (sim_cpu *cpu, int verbose)
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{
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int i;
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SIM_DESC sd = CPU_STATE (cpu);
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PROFILE_DATA *profile = CPU_PROFILE_DATA (cpu);
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char comma_buf[20];
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unsigned max_val;
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unsigned total;
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unsigned i;
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for (i = 0; i < MAX_NR_PROCESSORS; ++i)
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sim_io_printf (sd, "Program Counter Statistics:\n\n");
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/* First pass over data computes various things. */
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max_val = 0;
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total = 0;
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for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
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{
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PROFILE_DATA *data = CPU_PROFILE_DATA (STATE_CPU (sd, i));
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if (PROFILE_FILE (data) != NULL)
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fclose (PROFILE_FILE (data));
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total += PROFILE_PC_COUNT (profile) [i];
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if (PROFILE_PC_COUNT (profile) [i] > max_val)
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max_val = PROFILE_PC_COUNT (profile) [i];
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}
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sim_io_printf (sd, " Total samples: %s\n",
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COMMAS (total));
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sim_io_printf (sd, " Granularity: %s bytes per bucket\n",
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COMMAS (PROFILE_PC_BUCKET_SIZE (profile)));
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sim_io_printf (sd, " Size: %s buckets\n",
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COMMAS (PROFILE_PC_NR_BUCKETS (profile)));
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sim_io_printf (sd, " Frequency: %s cycles per sample\n",
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COMMAS (PROFILE_PC_FREQ (profile)));
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if (PROFILE_PC_END (profile) != 0)
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sim_io_printf (sd, " Range: 0x%lx 0x%lx\n",
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(long) PROFILE_PC_START (profile),
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(long) PROFILE_PC_END (profile));
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|
||||
if (verbose && max_val != 0)
|
||||
{
|
||||
/* Now we can print the histogram. */
|
||||
sim_io_printf (sd, "\n");
|
||||
for (i = 0; i <= PROFILE_PC_NR_BUCKETS (profile); ++i)
|
||||
{
|
||||
if (PROFILE_PC_COUNT (profile) [i] != 0)
|
||||
{
|
||||
sim_io_printf (sd, " ");
|
||||
if (i == PROFILE_PC_NR_BUCKETS (profile))
|
||||
sim_io_printf (sd, "%10s:", "overflow");
|
||||
else
|
||||
sim_io_printf (sd, "0x%08lx:",
|
||||
(long) (PROFILE_PC_START (profile)
|
||||
+ (i * PROFILE_PC_BUCKET_SIZE (profile))));
|
||||
sim_io_printf (sd, " %*s",
|
||||
max_val < 10000 ? 5 : 10,
|
||||
COMMAS (PROFILE_PC_COUNT (profile) [i]));
|
||||
sim_io_printf (sd, " %4.1f",
|
||||
(PROFILE_PC_COUNT (profile) [i] * 100.0) / total);
|
||||
sim_io_printf (sd, ": ");
|
||||
print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
||||
PROFILE_PC_COUNT (profile) [i],
|
||||
max_val);
|
||||
sim_io_printf (sd, "\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* dump the histogram to the file "gmon.out" using BSD's gprof file
|
||||
format */
|
||||
/* Since a profile data file is in the native format of the host on
|
||||
which the profile is being, endian issues are not considered in
|
||||
the code below. */
|
||||
/* FIXME: Is this the best place for this code? */
|
||||
{
|
||||
FILE *pf = fopen ("gmon.out", "wb");
|
||||
|
||||
if (pf == NULL)
|
||||
sim_io_eprintf (sd, "Failed to open \"gmon.out\" profile file\n");
|
||||
else
|
||||
{
|
||||
int ok;
|
||||
/* FIXME: what if the target has a 64 bit PC? */
|
||||
unsigned32 header[3];
|
||||
unsigned loop;
|
||||
if (PROFILE_PC_END (profile) != 0)
|
||||
{
|
||||
header[0] = PROFILE_PC_START (profile);
|
||||
header[1] = PROFILE_PC_END (profile);
|
||||
}
|
||||
else
|
||||
{
|
||||
header[0] = 0;
|
||||
header[1] = 0;
|
||||
}
|
||||
/* size of sample buffer (+ header) */
|
||||
header[2] = PROFILE_PC_NR_BUCKETS (profile) * 2 + sizeof (header);
|
||||
ok = fwrite (&header, sizeof (header), 1, pf);
|
||||
for (loop = 0;
|
||||
ok && (loop < PROFILE_PC_NR_BUCKETS (profile));
|
||||
loop++)
|
||||
{
|
||||
signed16 sample;
|
||||
if (PROFILE_PC_COUNT (profile) [loop] >= 0xffff)
|
||||
sample = 0xffff;
|
||||
else
|
||||
sample = PROFILE_PC_COUNT (profile) [loop];
|
||||
ok = fwrite (&sample, sizeof (sample), 1, pf);
|
||||
}
|
||||
if (ok == 0)
|
||||
sim_io_eprintf (sd, "Failed to write to \"gmon.out\" profile file\n");
|
||||
fclose(pf);
|
||||
}
|
||||
}
|
||||
|
||||
sim_io_printf (sd, "\n");
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/* Summary printing support. */
|
||||
|
||||
|
|
@ -201,12 +544,16 @@ profile_print_insn (sim_cpu *cpu, int verbose)
|
|||
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
||||
char comma_buf[20];
|
||||
|
||||
sim_io_printf (sd, "Instruction Statistics\n\n");
|
||||
sim_io_printf (sd, "Instruction Statistics:\n\n");
|
||||
|
||||
/* First pass over data computes various things. */
|
||||
max_val = total = max_name_len = 0;
|
||||
for (i = 1; i < MAX_INSNS; ++i)
|
||||
max_val = 0;
|
||||
total = 0;
|
||||
max_name_len = 0;
|
||||
for (i = 0; i < MAX_INSNS; ++i)
|
||||
{
|
||||
if (INSN_NAME (i) == NULL)
|
||||
continue;
|
||||
total += PROFILE_INSN_COUNT (data) [i];
|
||||
if (PROFILE_INSN_COUNT (data) [i] > max_val)
|
||||
max_val = PROFILE_INSN_COUNT (data) [i];
|
||||
|
|
@ -214,6 +561,9 @@ profile_print_insn (sim_cpu *cpu, int verbose)
|
|||
if (n > max_name_len)
|
||||
max_name_len = n;
|
||||
}
|
||||
/* set the total insn count, in case client is being lazy */
|
||||
if (PROFILE_TOTAL_INSN_COUNT (data))
|
||||
PROFILE_TOTAL_INSN_COUNT (data) = total;
|
||||
|
||||
sim_io_printf (sd, " Total: %s insns\n", COMMAS (total));
|
||||
|
||||
|
|
@ -221,8 +571,10 @@ profile_print_insn (sim_cpu *cpu, int verbose)
|
|||
{
|
||||
/* Now we can print the histogram. */
|
||||
sim_io_printf (sd, "\n");
|
||||
for (i = 1; i < MAX_INSNS; ++i)
|
||||
for (i = 0; i < MAX_INSNS; ++i)
|
||||
{
|
||||
if (INSN_NAME (i) == NULL)
|
||||
continue;
|
||||
if (PROFILE_INSN_COUNT (data) [i] != 0)
|
||||
{
|
||||
sim_io_printf (sd, " %*s: %*s: ",
|
||||
|
|
@ -255,7 +607,7 @@ profile_print_memory (sim_cpu *cpu, int verbose)
|
|||
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
||||
char comma_buf[20];
|
||||
|
||||
sim_io_printf (sd, "Memory Access Statistics\n\n");
|
||||
sim_io_printf (sd, "Memory Access Statistics:\n\n");
|
||||
|
||||
/* First pass over data computes various things. */
|
||||
max_val = total_read = total_write = max_name_len = 0;
|
||||
|
|
@ -316,6 +668,76 @@ profile_print_memory (sim_cpu *cpu, int verbose)
|
|||
|
||||
#endif
|
||||
|
||||
#if WITH_PROFILE_CORE_P
|
||||
|
||||
static void
|
||||
profile_print_core (sim_cpu *cpu, int verbose)
|
||||
{
|
||||
unsigned int total;
|
||||
unsigned int max_val;
|
||||
/* FIXME: Need to add smp support. */
|
||||
SIM_DESC sd = CPU_STATE (cpu);
|
||||
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
||||
char comma_buf[20];
|
||||
|
||||
sim_io_printf (sd, "CORE Statistics:\n\n");
|
||||
|
||||
/* First pass over data computes various things. */
|
||||
{
|
||||
sim_core_maps map;
|
||||
total = 0;
|
||||
max_val = 0;
|
||||
for (map = 0; map < nr_sim_core_maps; map++)
|
||||
{
|
||||
total += PROFILE_CORE_COUNT (data) [map];
|
||||
if (PROFILE_CORE_COUNT (data) [map] > max_val)
|
||||
max_val = PROFILE_CORE_COUNT (data) [map];
|
||||
}
|
||||
}
|
||||
|
||||
/* One could use PROFILE_LABEL_WIDTH here. I chose not to. */
|
||||
sim_io_printf (sd, " Total: %s accesses\n",
|
||||
COMMAS (total));
|
||||
|
||||
if (verbose && max_val != 0)
|
||||
{
|
||||
sim_core_maps map;
|
||||
/* Now we can print the histogram. */
|
||||
sim_io_printf (sd, "\n");
|
||||
for (map = 0; map < nr_sim_core_maps; map++)
|
||||
{
|
||||
if (PROFILE_CORE_COUNT (data) [map] != 0)
|
||||
{
|
||||
switch (map)
|
||||
{
|
||||
case sim_core_read_map:
|
||||
sim_io_printf (sd, " read:");
|
||||
break;
|
||||
case sim_core_write_map:
|
||||
sim_io_printf (sd, " write:");
|
||||
break;
|
||||
case sim_core_execute_map:
|
||||
sim_io_printf (sd, " exec:");
|
||||
break;
|
||||
case nr_sim_core_maps:
|
||||
; /* ignore */
|
||||
}
|
||||
sim_io_printf (sd, "%*s: ",
|
||||
max_val < 10000 ? 5 : 10,
|
||||
COMMAS (PROFILE_CORE_COUNT (data) [map]));
|
||||
print_bar (sd, PROFILE_HISTOGRAM_WIDTH,
|
||||
PROFILE_CORE_COUNT (data) [map],
|
||||
max_val);
|
||||
sim_io_printf (sd, "\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sim_io_printf (sd, "\n");
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#if WITH_PROFILE_MODEL_P
|
||||
|
||||
static void
|
||||
|
|
@ -330,7 +752,7 @@ profile_print_model (sim_cpu *cpu, int verbose)
|
|||
char comma_buf[20];
|
||||
|
||||
sim_io_printf (sd, "Model %s Timing Information\n\n",
|
||||
MODEL_NAME (STATE_MODEL (sd)));
|
||||
MODEL_NAME (CPU_MODEL (cpu)));
|
||||
sim_io_printf (sd, " %-*s %s\n",
|
||||
PROFILE_LABEL_WIDTH, "Taken branches:",
|
||||
COMMAS (PROFILE_MODEL_TAKEN_COUNT (data)));
|
||||
|
|
@ -351,6 +773,9 @@ profile_print_model (sim_cpu *cpu, int verbose)
|
|||
|
||||
#endif
|
||||
|
||||
|
||||
#if WITH_PROFILE_INSN_P || WITH_PROFILE_MEMORY_P || WITH_PROFILE_CORE_P || WITH_PROFILE_PC_P
|
||||
|
||||
static void
|
||||
print_bar (SIM_DESC sd, unsigned int width,
|
||||
unsigned int val, unsigned int max_val)
|
||||
|
|
@ -363,6 +788,8 @@ print_bar (SIM_DESC sd, unsigned int width,
|
|||
sim_io_printf (sd, "*");
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/* Print the simulator's execution speed for CPU. */
|
||||
|
||||
static void
|
||||
|
|
@ -370,7 +797,7 @@ profile_print_speed (sim_cpu *cpu)
|
|||
{
|
||||
SIM_DESC sd = CPU_STATE (cpu);
|
||||
PROFILE_DATA *data = CPU_PROFILE_DATA (cpu);
|
||||
unsigned long milliseconds = PROFILE_EXEC_TIME (data);
|
||||
unsigned long milliseconds = sim_events_elapsed_time (sd);
|
||||
unsigned long total = PROFILE_TOTAL_INSN_COUNT (data);
|
||||
char comma_buf[20];
|
||||
|
||||
|
|
@ -455,6 +882,11 @@ profile_print (SIM_DESC sd, int verbose,
|
|||
profile_print_memory (cpu, verbose);
|
||||
#endif
|
||||
|
||||
#if WITH_PROFILE_CORE_P
|
||||
if (PROFILE_FLAGS (data) [PROFILE_CORE_IDX])
|
||||
profile_print_core (cpu, verbose);
|
||||
#endif
|
||||
|
||||
#if WITH_PROFILE_MODEL_P
|
||||
if (PROFILE_FLAGS (data) [PROFILE_MODEL_IDX])
|
||||
profile_print_model (cpu, verbose);
|
||||
|
|
@ -465,6 +897,11 @@ profile_print (SIM_DESC sd, int verbose,
|
|||
scache_print_profile (cpu, verbose);
|
||||
#endif
|
||||
|
||||
#if WITH_PROFILE_PC_P
|
||||
if (PROFILE_FLAGS (data) [PROFILE_PC_IDX])
|
||||
profile_print_pc (cpu, verbose);
|
||||
#endif
|
||||
|
||||
/* Print cpu-specific data before the execution speed. */
|
||||
if (misc_cpu != NULL)
|
||||
(*misc_cpu) (cpu, verbose);
|
||||
|
|
@ -480,3 +917,45 @@ profile_print (SIM_DESC sd, int verbose,
|
|||
if (misc != NULL)
|
||||
(*misc) (sd, verbose);
|
||||
}
|
||||
|
||||
/* Install profiling support in the simulator. */
|
||||
|
||||
SIM_RC
|
||||
profile_install (SIM_DESC sd)
|
||||
{
|
||||
int i;
|
||||
|
||||
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
|
||||
sim_add_option_table (sd, profile_options);
|
||||
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
||||
memset (CPU_PROFILE_DATA (STATE_CPU (sd, i)), 0,
|
||||
sizeof (* CPU_PROFILE_DATA (STATE_CPU (sd, i))));
|
||||
#if WITH_PROFILE_PC_P
|
||||
sim_module_add_uninstall_fn (sd, profile_pc_uninstall);
|
||||
sim_module_add_init_fn (sd, profile_pc_init);
|
||||
#endif
|
||||
sim_module_add_uninstall_fn (sd, profile_uninstall);
|
||||
return SIM_RC_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
profile_uninstall (SIM_DESC sd)
|
||||
{
|
||||
int i,j;
|
||||
|
||||
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
||||
{
|
||||
PROFILE_DATA *data = CPU_PROFILE_DATA (STATE_CPU (sd, i));
|
||||
if (PROFILE_FILE (data) != NULL)
|
||||
{
|
||||
/* If output from different cpus is going to the same file,
|
||||
avoid closing the file twice. */
|
||||
for (j = 0; j < i; ++j)
|
||||
if (PROFILE_FILE (CPU_PROFILE_DATA (STATE_CPU (sd, j)))
|
||||
== PROFILE_FILE (data))
|
||||
break;
|
||||
if (i == j)
|
||||
fclose (PROFILE_FILE (data));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue