| 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() |