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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: rstexample.C | |
4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
6 | // | |
7 | // The above named program is free software; you can redistribute it and/or | |
8 | // modify it under the terms of the GNU General Public | |
9 | // License version 2 as published by the Free Software Foundation. | |
10 | // | |
11 | // The above named program is distributed in the hope that it will be | |
12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | // General Public License for more details. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public | |
17 | // License along with this work; if not, write to the Free Software | |
18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
19 | // | |
20 | // ========== Copyright Header End ============================================ | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <sys/types.h> | |
24 | #include <string.h> | |
25 | ||
26 | #include "rstf/rstf.h" | |
27 | #include "rstzip/Rstzip.H" | |
28 | ||
29 | const char usage[] = "rstexample <input-trace-file>"; | |
30 | ||
31 | ||
32 | int main(int argc, char **argv) | |
33 | { | |
34 | // argv[1] must be input file | |
35 | const char * ifname = NULL; | |
36 | ||
37 | int i=1; | |
38 | while(i<argc) { | |
39 | const char * arg = argv[i++]; | |
40 | if (strcmp(arg, "-h") == 0) { | |
41 | printf("Usage: %s\n", usage); | |
42 | exit(0); | |
43 | } else if (ifname != NULL) { | |
44 | fprintf(stderr, "ERROR: rstexample: input file %s already specified\nUsage: %s\n", ifname, usage); | |
45 | exit(1); | |
46 | } else { | |
47 | ifname = arg; | |
48 | } | |
49 | } | |
50 | ||
51 | if (ifname == NULL) { | |
52 | printf("Usage: %s\n", usage); | |
53 | exit(0); | |
54 | } | |
55 | ||
56 | // create an rstzip instance | |
57 | Rstzip * rz = new Rstzip; | |
58 | int rv=rz->open(ifname, "r", "verbose=0"); | |
59 | if (rv != RSTZIP_OK) { | |
60 | fprintf(stderr, "ERROR: rstexample: Rstzip error opening input file %s\n", ifname); | |
61 | exit(1); | |
62 | } | |
63 | ||
64 | const int max_ncpu=1<<10; // RST supports 10-bit cpuids | |
65 | int64_t icounts[max_ncpu]; | |
66 | memset(icounts, 0, max_ncpu*sizeof(int64_t)); | |
67 | int64_t total_icount = 0; | |
68 | ||
69 | int nrecs; | |
70 | rstf_unionT buf[rstzip_opt_buffersize]; | |
71 | while((nrecs = rz->decompress(buf, rstzip_opt_buffersize)) != 0) { | |
72 | int i; | |
73 | for (i=0; i<nrecs; i++) { | |
74 | rstf_unionT * rp = buf+i; | |
75 | if (rp->proto.rtype == INSTR_T) { | |
76 | total_icount++; | |
77 | int cpuid = rstf_instrT_get_cpuid(&(rp->instr)); | |
78 | icounts[cpuid]++; | |
79 | } | |
80 | } | |
81 | } | |
82 | rz->close(); | |
83 | delete rz; | |
84 | rz=NULL; | |
85 | ||
86 | printf("Total icount=%lld\n", total_icount); | |
87 | for (i=0; i<max_ncpu; i++) { | |
88 | if (icounts[i] > 0) { | |
89 | printf("cpu%d: icount=%lld\n", i, icounts[i]); | |
90 | } | |
91 | } | |
92 | } // main() |