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[/] [or1k/] [tags/] [nog_patch_49/] [or1ksim/] [cpu/] [common/] [stats.c] - Blame information for rev 306

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1 2 cvs
/* stats.c -- Various statistics about instruction scheduling etc.
2
   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
3
 
4
This file is part of OpenRISC 1000 Architectural Simulator.
5
 
6
This program is free software; you can redistribute it and/or modify
7
it under the terms of the GNU General Public License as published by
8
the Free Software Foundation; either version 2 of the License, or
9
(at your option) any later version.
10
 
11
This program is distributed in the hope that it will be useful,
12
but WITHOUT ANY WARRANTY; without even the implied warranty of
13
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
GNU General Public License for more details.
15
 
16
You should have received a copy of the GNU General Public License
17
along with this program; if not, write to the Free Software
18
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
19
 
20
#include <stdio.h>
21
#include <ctype.h>
22
#include <string.h>
23
 
24
#include "abstract.h"
25
#include "stats.h"
26 102 lampret
#include "sim-config.h"
27
#include "spr_defs.h"
28 30 lampret
 
29 2 cvs
const char func_unit_str[30][30] = { "unknown", "arith", "shift", "compare",
30
        "branch", "jump", "load", "store", "movimm", "move", "extend", "nop" };
31
 
32
struct dstats_entry dstats[DSTATS_LEN]; /* dependency stats */
33
struct sstats_entry sstats[SSTATS_LEN]; /* single stats */
34
struct fstats_entry fstats[FSTATS_LEN]; /* functional units stats */
35
struct mstats_entry mstats;             /* misc units stats */
36 6 lampret
struct cachestats_entry ic_stats;       /* instruction cache stats */
37
struct cachestats_entry dc_stats;       /* data cache stats */
38 77 lampret
struct immustats_entry immu_stats;      /* insn mmu stats */
39
struct dmmustats_entry dmmu_stats;      /* data mmu stats */
40 6 lampret
struct raw_stats raw_stats;             /* RAW hazard stats */
41 34 lampret
struct slp_stats slp_stats;             /* SLP stats */
42 2 cvs
 
43
/* Dependency */
44
 
45
int check_depend()
46 102 lampret
{
47 138 markom
  debug("check_depend");
48
  return depend_operands(&icomplet[0], &iqueue[0]);
49 2 cvs
}
50
 
51
void addsstats(char *item, int cnt_dynamic, int cnt_static)
52
{
53
        int i = 0;
54
 
55
        while(strcmp(sstats[i].insn, item) && (sstats[i].cnt_static > 0) &&
56
              (sstats[i].cnt_static > 0) && (i < SSTATS_LEN))
57
                i++;
58
 
59
        if (i >= SSTATS_LEN - 1) return;
60
 
61
        if (strcmp(sstats[i].insn, item) == 0) {
62
                sstats[i].cnt_dynamic += cnt_dynamic;
63
                sstats[i].cnt_static += cnt_static;
64
        }
65
        else {
66
                strcpy(sstats[i].insn, item);
67
                sstats[i].cnt_dynamic = cnt_dynamic;
68
                sstats[i].cnt_static = cnt_static;
69
        }
70
}
71
 
72
void adddstats(char *item1, char *item2, int cnt_dynamic, int depend)
73
{
74
        int i = 0;
75
 
76
        debug("adddstats start\n");
77
 
78
        while((strcmp(dstats[i].insn1, item1) || strcmp(dstats[i].insn2, item2)) &&
79
              (strlen(dstats[i].insn1)) &&
80
              (i < DSTATS_LEN))
81
                i++;
82
 
83
        if (i >= DSTATS_LEN - 1) return;
84
 
85
        if ((strcmp(dstats[i].insn1, item1) == 0) &&
86
            (strcmp(dstats[i].insn2, item2) == 0)) {
87
                dstats[i].cnt_dynamic += cnt_dynamic;
88
                dstats[i].depend += depend;
89
        }
90
        else {
91
                strcpy(dstats[i].insn1, item1);
92
                strcpy(dstats[i].insn2, item2);
93
                dstats[i].cnt_dynamic = cnt_dynamic;
94
                dstats[i].depend = depend;
95
        }
96
}
97
 
98
void addfstats(enum insn_type item1, enum insn_type item2, int cnt_dynamic, int depend)
99
{
100
        int i = 0;
101
 
102
        while(((fstats[i].insn1 != item1) || (fstats[i].insn2 != item2)) &&
103
              (fstats[i].insn1 != unknown) &&
104
              (i < FSTATS_LEN))
105
                i++;
106
 
107
        if (i >= FSTATS_LEN - 1) return;
108
 
109
        if ((fstats[i].insn1 == item1) &&
110
            (fstats[i].insn2 == item2)) {
111
                fstats[i].cnt_dynamic += cnt_dynamic;
112
                fstats[i].depend += depend;
113
        }
114
        else {
115
                fstats[i].insn1 = item1;
116
                fstats[i].insn2 = item2;
117
                fstats[i].cnt_dynamic = cnt_dynamic;
118
                fstats[i].depend = depend;
119
        }
120
}
121
 
122
void initstats()
123
{
124
        memset(sstats, 0, sizeof(sstats));
125
        memset(dstats, 0, sizeof(dstats));
126
        memset(fstats, 0, sizeof(fstats));
127
        memset(&mstats, 0, sizeof(mstats));
128 6 lampret
        memset(&ic_stats, 0, sizeof(ic_stats));
129
        memset(&dc_stats, 0, sizeof(dc_stats));
130
        memset(&raw_stats, 0, sizeof(raw_stats));
131 34 lampret
        memset(&slp_stats, 0, sizeof(slp_stats));
132 2 cvs
}
133
 
134 34 lampret
/* SLP
135
 
136
1: R
137
2:  R
138
3:   R
139
OK
140
 
141
1:     W
142
2: R
143
3: R
144
flush 2 3
145
 
146
1:     R
147
2: W
148
3:  R
149
OK
150
 
151
1: R
152
2:     W
153
3:  R
154
flush 3
155
 
156
flushing: don't flush if written location hasn't change after the write since
157
original read got correct data.
158
 
159
*/
160
 
161
void slp_checkaccess(unsigned long addr, char type)
162
{
163 263 markom
        if (!config.cpu.slp)
164 102 lampret
                return;
165
 
166 221 markom
        if (/*(addr < (MEMORY_START + MEMORY_LEN - 4000)) &&  MM1709: we have no knowledge of this anymore */
167 34 lampret
            slp_stats.supercnt && (type == SLP_MEMWRITE)) {
168
                slp_stats.supercalls++;
169
                slp_stats.supercnt = 0;
170
        }
171
}
172
 
173
void slp_func_entry()
174
{
175 263 markom
        if (!config.cpu.slp)
176 102 lampret
                return;
177
 
178 34 lampret
        if (++slp_stats.curdepth > slp_stats.maxdepth)
179
                slp_stats.maxdepth = slp_stats.curdepth;
180
 
181
        slp_stats.calls++;
182
        slp_stats.supercnt++;
183
}
184
 
185
void slp_func_exit()
186
{
187 263 markom
        if (!config.cpu.slp)
188 102 lampret
                return;
189
 
190 34 lampret
        slp_stats.curdepth--;
191
}
192
 
193 102 lampret
 
194
void printistats(int which)
195 2 cvs
{
196
        int i, all = 0, dependall = 0;
197 102 lampret
 
198 263 markom
        if (!config.cpu.dependstats) {
199 102 lampret
                printf("Hazard analysis disabled. Enable it to see analysis results.\n");
200
                return;
201
        }
202 2 cvs
 
203
        for(i = 0; i < SSTATS_LEN; i++)
204
                all += sstats[i].cnt_static;
205
 
206
        for(i = 0; i < SSTATS_LEN; i++)
207 6 lampret
                if (sstats[i].cnt_static && (which == 1))
208 2 cvs
                        printf(" %s\t\tused %6dx (%2d%%)\n", sstats[i].insn, sstats[i].cnt_static, (sstats[i].cnt_static * 100)/all);
209
 
210
        printf("SUM: %d instructions (static, single stats)\n", all);
211 6 lampret
 
212 2 cvs
        all = 0;
213 6 lampret
 
214 2 cvs
        for(i = 0; i < SSTATS_LEN; i++)
215
                all += sstats[i].cnt_dynamic;
216
 
217
        for(i = 0; i < SSTATS_LEN; i++)
218 6 lampret
                if (sstats[i].cnt_dynamic && (which == 2))
219 2 cvs
                        printf(" %s\t\tused %6dx (%2d%%)\n", sstats[i].insn, sstats[i].cnt_dynamic, (sstats[i].cnt_dynamic * 100)/all);
220
 
221
        printf("SUM: %d instructions (dynamic, single stats)\n", all);
222
 
223
        all = 0;
224
        dependall = 0;
225
        for(i = 0; i < DSTATS_LEN; i++) {
226
                all += dstats[i].cnt_dynamic;
227
                dependall += dstats[i].depend;
228
        }
229
 
230
        for(i = 0; i < DSTATS_LEN; i++)
231 6 lampret
                if (dstats[i].cnt_dynamic && (which == 3)) {
232 2 cvs
                        printf(" %s, %s ", dstats[i].insn1, dstats[i].insn2);
233
                        printf("\t\t\t%6dx (%2d%%)", dstats[i].cnt_dynamic, (dstats[i].cnt_dynamic * 100)/all);
234
                        printf("   depend: %3d%%\n", (dstats[i].depend * 100) / dstats[i].cnt_dynamic);
235
                }
236
 
237
        printf("SUM: %d instructions (dynamic, dependency stats)  depend: %d%%\n", all, (dependall * 100) / all);
238
 
239
        all = 0;
240
        dependall = 0;
241
        for(i = 0; i < FSTATS_LEN; i++) {
242
                all += fstats[i].cnt_dynamic;
243
                dependall += fstats[i].depend;
244
        }
245
 
246
        for(i = 0; i < FSTATS_LEN; i++)
247 6 lampret
                if (fstats[i].cnt_dynamic && (which == 4)) {
248 2 cvs
                        printf(" %s,", func_unit_str[fstats[i].insn1]);
249
                        printf(" %s", func_unit_str[fstats[i].insn2]);
250
                        printf("\t\t\t%6dx (%2d%%)", fstats[i].cnt_dynamic, (fstats[i].cnt_dynamic * 100)/all);
251
                        printf("   depend: %3d%%\n", (fstats[i].depend * 100) / fstats[i].cnt_dynamic);
252
                }
253
 
254 6 lampret
        for(i = 0; (i < RAW_RANGE) && (which == 5); i++)
255
                printf(" Register set and reused in %d. cycle: %d cases\n", i, raw_stats.range[i]);
256
 
257 102 lampret
        printf("SUM: %d instructions (dynamic, functional units stats)  depend: %d%%\n", all, (dependall * 100) / SD(all));
258
        printf("Byte ADD: %d instructions\n", mstats.byteadd);
259
 
260
}
261
 
262
void printslpstats(int which)
263
{
264
        int i, all = 0, dependall = 0;
265
 
266 263 markom
        if (!config.cpu.slp) {
267 102 lampret
                printf("SLP analysis disabled. Enable it to see analysis results.\n");
268
                return;
269
        }
270
 
271 34 lampret
        if (which == 6) {
272
                printf("SLP:\n");
273
                printf("maxdepth: %6d  calls: %6d\n", slp_stats.maxdepth, slp_stats.calls);
274
                printf("calls: %6d    supercalls: %6d\n", slp_stats.calls, slp_stats.supercalls);
275
        }
276
 
277 2 cvs
}
278 102 lampret
 
279
void printotherstats(int which)
280
{
281
        int i, all = 0, dependall = 0;
282
 
283 264 markom
        if (config.cpu.bpb) {
284 102 lampret
                printf("bnf: %d (%d%%) taken,", mstats.beqz.taken, (mstats.beqz.taken * 100) / SD(mstats.beqz.taken + mstats.beqz.nottaken));
285
                printf(" %d (%d%%) not taken,", mstats.beqz.nottaken, (mstats.beqz.nottaken * 100) / SD(mstats.beqz.taken + mstats.beqz.nottaken));
286
                printf(" %d (%d%%) forward,", mstats.beqz.forward, (mstats.beqz.forward * 100) / SD(mstats.beqz.forward + mstats.beqz.backward));
287
                printf(" %d (%d%%) backward\n", mstats.beqz.backward, (mstats.beqz.backward * 100) / SD(mstats.beqz.forward + mstats.beqz.backward));
288
                printf("bf: %d (%d%%) taken,", mstats.bnez.taken, (mstats.bnez.taken * 100) / SD(mstats.bnez.taken + mstats.bnez.nottaken));
289
                printf(" %d (%d%%) not taken,", mstats.bnez.nottaken, (mstats.bnez.nottaken * 100) / SD(mstats.bnez.taken + mstats.bnez.nottaken));
290
                printf(" %d (%d%%) forward,", mstats.bnez.forward, (mstats.bnez.forward * 100) / SD(mstats.bnez.forward + mstats.bnez.backward));
291
                printf(" %d (%d%%) backward\n", mstats.bnez.backward, (mstats.bnez.backward * 100) / SD(mstats.bnez.forward + mstats.bnez.backward));
292
                printf("StaticBP bnf: correct %d%% (forward)\n", (mstats.sbp_bnf.correct * 100) / SD(mstats.sbp_bnf.all));
293
                printf("StaticBP bf: correct %d%% (backward)\n", (mstats.sbp_bf.correct * 100) / SD(mstats.sbp_bf.all));
294
                printf("BPB: hit %d (correct %d%%), miss %d\n", mstats.bpb.hit, (mstats.bpb.correct * 100) / SD(mstats.bpb.hit), mstats.bpb.miss);
295
        } else
296
                printf("BPB simulation disabled. Enable it to see BPB analysis\n");
297
 
298 306 markom
        if (config.cpu.btic) {
299 102 lampret
                printf("BTIC: hit %d(%d%%), miss %d\n", mstats.btic.hit, (mstats.btic.hit * 100) / SD(mstats.btic.hit + mstats.btic.miss), mstats.btic.miss);
300
        } else
301
                printf("BTIC simulation disabled. Enabled it to see BTIC analysis\n");
302
 
303 167 markom
        if (testsprbits(SPR_UPR, SPR_UPR_ICP)) {
304 102 lampret
                printf("IC read:  hit %d(%d%%), miss %d\n", ic_stats.readhit, (ic_stats.readhit * 100) / SD(ic_stats.readhit + ic_stats.readmiss), ic_stats.readmiss);
305
        } else
306
                printf("No ICache. Set UPR[ICP]\n");
307
 
308 167 markom
        if (testsprbits(SPR_UPR, SPR_UPR_DCP)) {
309 102 lampret
                printf("DC read:  hit %d(%d%%), miss %d\n", dc_stats.readhit, (dc_stats.readhit * 100) / SD(dc_stats.readhit + dc_stats.readmiss), dc_stats.readmiss);
310
                printf("DC write: hit %d(%d%%), miss %d\n", dc_stats.writehit, (dc_stats.writehit * 100) / SD(dc_stats.writehit + dc_stats.writemiss), dc_stats.writemiss);
311
        } else
312
                printf("No DCache. Set UPR[DCP]\n");
313
 
314 167 markom
        if (testsprbits(SPR_UPR, SPR_UPR_IMP)) {
315 102 lampret
                printf("IMMU read:  hit %d(%d%%), miss %d\n", immu_stats.fetch_tlbhit, (immu_stats.fetch_tlbhit * 100) / SD(immu_stats.fetch_tlbhit + immu_stats.fetch_tlbmiss), immu_stats.fetch_tlbmiss);
316
        } else
317
                printf("No IMMU. Set UPR[IMP]\n");
318
 
319 167 markom
        if (testsprbits(SPR_UPR, SPR_UPR_DMP)) {
320 102 lampret
                printf("DMMU read:  hit %d(%d%%), miss %d\n", dmmu_stats.loads_tlbhit, (dmmu_stats.loads_tlbhit * 100) / SD(dmmu_stats.loads_tlbhit + dmmu_stats.loads_tlbmiss), dmmu_stats.loads_tlbmiss);
321
        } else
322
                printf("No DMMU. Set UPR[DMP]\n");
323
}
324
 
325
void printstats(int which)
326
{
327
        printistats(which);
328
        printslpstats(which);
329
        if (which == 5)
330
                printotherstats(which);
331
}

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