rh-test.cc
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/*
* Copyright 2016, Victor van der Veen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <algorithm>
#include <fstream>
#include <iostream>
#include <set>
#include <string>
#include <assert.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "helper.h"
#include "ion.h"
#include "massage.h"
#include "rowsize.h"
#include "templating.h"
#define HAMMER_READCOUNT 1000000
FILE *global_of = NULL;
extern int rowsize;
void usage(char *main_program) {
fprintf(stderr,"Usage: %s [-a] [-c count] [-d seconds] [-f file] [-h] [-i] [-q cpu] [-r rowsize] [-t timer]\n", main_program);
fprintf(stderr," -a : Run all pattern combinations\n");
fprintf(stderr," -c count : Number of memory accesses per hammer round (default is %d)\n",HAMMER_READCOUNT);
fprintf(stderr," -d seconds: Number of seconds to run defrag (default is disabled)\n");
fprintf(stderr," -f file : Write output to this file\n");
fprintf(stderr," -h : This help\n");
fprintf(stderr," -i : Run ion heap type detector\n");
fprintf(stderr," -q cpu : Pin to this CPU\n");
fprintf(stderr," -r rowsize: Rowsize of DRAM module in B (autodetect if not specified)\n");
fprintf(stderr," -s : Hammer more conservative (currently set to hammering every 64 bytes)\n");
fprintf(stderr," -t timer : Number of seconds to hammer (default is to hammer everything)\n");
}
void resetter(uint8_t *pattern) {
for (int i = 0; i < MAX_ROWSIZE; i++) {
pattern[i] = rand() % 255;
}
}
int main(int argc, char *argv[]) {
printf("______ ______ _______ _______ _______ _______ ______ \n");
printf("| \\ |_____/ |_____| | | | | | | |______ |_____/ \n");
printf("|_____/ | \\_ | | | | | | | | |______ | \\_\n");
printf("\n");
int c;
int timer = 0;
int alloc_timer = 0;
char *outputfile = NULL;
int hammer_readcount = HAMMER_READCOUNT;
bool heap_type_detector = false;
bool do_conservative = false;
bool all_patterns = false;
int cpu_pinning = -1;
opterr = 0;
while ((c = getopt(argc, argv, "sac:d:f:hiq:r:t:")) != -1) {
switch (c) {
case 'a':
all_patterns = true;
break;
case 'c':
hammer_readcount = strtol(optarg, NULL, 10);
break;
case 'd':
alloc_timer = strtol(optarg, NULL, 10);
break;
case 'f':
outputfile = optarg;
break;
case 'h':
usage(argv[0]);
return 0;
case 'i':
heap_type_detector = true;
break;
case 'q':
cpu_pinning = strtol(optarg, NULL, 10);
break;
case 'r':
rowsize = strtol(optarg, NULL, 10);
break;
case 's':
do_conservative = true;
break;
case 't':
timer = strtol(optarg, NULL, 10);
break;
case '?':
if (optopt == 'c' || optopt == 'd' || optopt == 'f' || optopt == 'q' || optopt == 'r' || optopt == 't')
fprintf(stderr, "Option -%c requires an argument.\n", optopt);
else if (isprint(optopt))
fprintf(stderr,"Unknown option `-%c'.\n", optopt);
else
fprintf(stderr,"Unknown option character `\\x%x'.\n", optopt);
usage(argv[0]);
return 1;
default:
abort();
}
}
printf("[MAIN] ION init\n");
ION_init();
std::vector<struct ion_data *> ion_chunks;
std::vector<struct template_t *> templates;
if (outputfile != NULL) {
global_of = fopen(outputfile, "w");
if (global_of == NULL) {
perror("could not open output file");
exit(0);
}
setvbuf(global_of, NULL, _IONBF, 0);
}
setvbuf(stderr, NULL, _IONBF, 0);
setvbuf(stdout, NULL, _IONBF, 0);
if (heap_type_detector) {
ION_detector();
return 0;
}
if (cpu_pinning != -1) {
printf("[MAIN] Pinning to CPU...\n");
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
CPU_SET(cpu_pinning, &cpuset);
if (sched_setaffinity(0, sizeof(cpuset), &cpuset)) {
perror("Could not pin CPU");
}
}
/*** DEFRAG MEMORY */
if (alloc_timer) {
printf("[MAIN] Defragment memory\n");
defrag(alloc_timer);
}
/*** ROW SIZE DETECTION (if not specified) */
if (!VALID_ROWSIZES.count(rowsize)) {
printf("[MAIN] No or weird row size provided, trying auto detect\n");
rowsize = RS_autodetect();
}
print("[MAIN] Row size: %d\n", rowsize);
/*** EXHAUST */
printf("[MAIN] Exhaust ION chunks for templating\n");
exhaust(ion_chunks, rowsize * 4);
/* patterns: above victim below
* p000 0x00000000 0x00000000 0x00000000
* p001 0x00000000 0x00000000 0xffffffff
* p010 0x00000000 0xffffffff 0x00000000 <-- default
* p011 0x00000000 0xffffffff 0xffffffff
* p100 0xffffffff 0x00000000 0x00000000
* p101 0xffffffff 0x00000000 0xffffffff <-- default
* p110 0xffffffff 0xffffffff 0x00000000
* p111 0xffffffff 0xffffffff 0xffffffff
*
* p00r 0x00000000 0x00000000 0x<RANDOM>
* p0r0 0x00000000 0x<RANDOM> 0x00000000
* p0rr 0x00000000 0x<RANDOM> 0x<RANDOM>
* pr00 0x<RANDOM> 0x00000000 0x00000000
* pr0r 0x<RANDOM> 0x00000000 0x<RANDOM>
* prr0 0x<RANDOM> 0x<RANDOM> 0x00000000
* prrr 0x<RANDOM> 0x<RANDOM> 0x<RANDOM>
*/
printf("[MAIN] Initializing patterns\n");
uint8_t ones[MAX_ROWSIZE];
uint8_t zeros[MAX_ROWSIZE];
uint8_t rand1[MAX_ROWSIZE];
uint8_t rand2[MAX_ROWSIZE];
uint8_t rand3[MAX_ROWSIZE];
memset( ones, 0xff, MAX_ROWSIZE);
memset(zeros, 0x00, MAX_ROWSIZE);
for (int i = 0; i < MAX_ROWSIZE; i++) {
rand1[i] = rand() % 255;
rand2[i] = rand() % 255;
rand3[i] = rand() % 255;
}
pattern_t p000 = { .above = zeros, .victim = zeros, .below = zeros, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p001 = { .above = zeros, .victim = zeros, .below = ones, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p010 = { .above = zeros, .victim = ones, .below = zeros, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p011 = { .above = zeros, .victim = ones, .below = ones, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p100 = { .above = ones, .victim = zeros, .below = zeros, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p101 = { .above = ones, .victim = zeros, .below = ones, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p110 = { .above = ones, .victim = ones, .below = zeros, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p111 = { .above = ones, .victim = ones, .below = ones, .cur_use = 0, .max_use = 0, .reset_above = NULL, .reset_victim = NULL, .reset_below = NULL };
pattern_t p00r = { .above = zeros, .victim = zeros, .below = rand3, .cur_use = 0, .max_use = 100, .reset_above = NULL, .reset_victim = NULL, .reset_below = resetter };
pattern_t p0r0 = { .above = zeros, .victim = rand2, .below = zeros, .cur_use = 0, .max_use = 100, .reset_above = NULL, .reset_victim = resetter, .reset_below = NULL };
pattern_t p0rr = { .above = zeros, .victim = rand2, .below = rand3, .cur_use = 0, .max_use = 100, .reset_above = NULL, .reset_victim = resetter, .reset_below = resetter };
pattern_t pr00 = { .above = rand1, .victim = zeros, .below = zeros, .cur_use = 0, .max_use = 100, .reset_above = resetter, .reset_victim = NULL, .reset_below = NULL };
pattern_t pr0r = { .above = rand1, .victim = zeros, .below = rand1, .cur_use = 0, .max_use = 100, .reset_above = resetter, .reset_victim = NULL, .reset_below = resetter };
pattern_t prr0 = { .above = rand1, .victim = rand2, .below = zeros, .cur_use = 0, .max_use = 100, .reset_above = resetter, .reset_victim = resetter, .reset_below = NULL };
pattern_t prrr = { .above = rand1, .victim = rand2, .below = rand3, .cur_use = 0, .max_use = 100, .reset_above = resetter, .reset_victim = resetter, .reset_below = resetter };
std::vector<struct pattern_t *> patterns;
if (all_patterns)
patterns = {&p000, &p001, &p010, &p011, &p100, &p101, &p110, &p111,
&p00r, &p0r0, &p0rr, &pr00, &pr0r, &prr0, &prrr};
else
patterns = {&p101, &p010};
/*** TEMPLATE */
printf("[MAIN] Start templating\n");
TMPL_run(ion_chunks, templates, patterns, timer, hammer_readcount, do_conservative);
/*** CLEAN UP */
ION_clean_all(ion_chunks);
printf("[MAIN] ION fini\n");
ION_fini();
}