display.c revision 0edf8249daf89b4ed446eaf505445dc40a2dcf2f 
1/*
2 *
3 * honggfuzz - display statistics
4 * -----------------------------------------
5 *
6 * Author: Robert Swiecki <swiecki@google.com>
7 *
8 * Copyright 2010-2015 by Google Inc. All Rights Reserved.
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License"); you may
11 * not use this file except in compliance with the License. You may obtain
12 * a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
19 * implied. See the License for the specific language governing
20 * permissions and limitations under the License.
21 *
22 */
23
24#define _WITH_DPRINTF
25
26#include "common.h"
27#include "display.h"
28
29#include <inttypes.h>
30#include <math.h>
31#include <string.h>
32#include <stdarg.h>
33#include <stdio.h>
34#include <unistd.h>
35
36#include "log.h"
37#include "util.h"
38
39#define ESC_CLEAR "\033[H\033[2J"
40#define ESC_NAV(x,y) "\033["#x";"#y"H"
41#define ESC_BOLD "\033[1m"
42#define ESC_RED "\033[31m"
43#define ESC_RESET "\033[0m"
44
45#if defined(_HF_ARCH_LINUX)
46#define _HF_MONETARY_MOD "'"
47#else
48#define _HF_MONETARY_MOD ""
49#endif
50
51static void display_put(const char *fmt, ...)
52{
53    va_list args;
54    va_start(args, fmt);
55    vfprintf(stdout, fmt, args);
56    va_end(args);
57    fflush(stdout);
58}
59
60static void display_printKMG(uint64_t val)
61{
62    if (val >= 1000000000UL) {
63        display_put(" [%.2lfG]", (double)val / 1000000000.0);
64    } else if (val >= 1000000UL) {
65        display_put(" [%.2lfM]", (double)val / 1000000.0);
66    } else if (val >= 1000UL) {
67        display_put(" [%.2lfk]", (double)val / 1000.0);
68    }
69}
70
71static unsigned getCpuUse(long num_cpu)
72{
73    static uint64_t prevIdleT = 0UL;
74
75    FILE *f = fopen("/proc/stat", "re");
76    if (f == NULL) {
77        return 0;
78    }
79    defer {
80        fclose(f);
81    };
82    uint64_t userT, niceT, systemT, idleT;
83    if (fscanf
84        (f, "cpu  %" PRIu64 "%" PRIu64 "%" PRIu64 "%" PRIu64, &userT, &niceT, &systemT,
85         &idleT) != 4) {
86        LOG_W("fscanf('/proc/stat') != 4");
87        return 0;
88    }
89
90    if (prevIdleT == 0UL) {
91        prevIdleT = idleT;
92        return 0;
93    }
94
95    uint64_t cpuUse = (num_cpu * sysconf(_SC_CLK_TCK)) - (idleT - prevIdleT);
96    prevIdleT = idleT;
97    return cpuUse * 100 / sysconf(_SC_CLK_TCK);
98}
99
100static void display_displayLocked(honggfuzz_t * hfuzz)
101{
102    unsigned long elapsed_second = (unsigned long)(time(NULL) - hfuzz->timeStart);
103    unsigned int day, hour, min, second;
104    char time_elapsed_str[64];
105    if (elapsed_second < 24 * 3600) {
106        hour = elapsed_second / 3600;
107        min = (elapsed_second - 3600 * hour) / 60;
108        second = elapsed_second - hour * 3600 - min * 60;
109        snprintf(time_elapsed_str, sizeof(time_elapsed_str), "%u hrs %u min %u sec", hour,
110                 min, second);
111    } else {
112        day = elapsed_second / 24 / 3600;
113        elapsed_second = elapsed_second - day * 24 * 3600;
114        hour = elapsed_second / 3600;
115        min = (elapsed_second - 3600 * hour) / 60;
116        second = elapsed_second - hour * 3600 - min * 60;
117        snprintf(time_elapsed_str, sizeof(time_elapsed_str),
118                 "%u days %u hrs %u min %u sec", day, hour, min, second);
119    }
120
121    size_t curr_exec_cnt = ATOMIC_GET(hfuzz->mutationsCnt);
122    /*
123     * We increase the mutation counter unconditionally in threads, but if it's
124     * above hfuzz->mutationsMax we don't really execute the fuzzing loop.
125     * Therefore at the end of fuzzing, the mutation counter might be higher
126     * than hfuzz->mutationsMax
127     */
128    if (hfuzz->mutationsMax > 0 && curr_exec_cnt > hfuzz->mutationsMax) {
129        curr_exec_cnt = hfuzz->mutationsMax;
130    }
131    float exeProgress = 0.0f;
132    if (hfuzz->mutationsMax > 0) {
133        exeProgress = ((float)curr_exec_cnt * 100 / hfuzz->mutationsMax);
134    }
135
136    static size_t prev_exec_cnt = 0UL;
137    uintptr_t exec_per_sec = curr_exec_cnt - prev_exec_cnt;
138    prev_exec_cnt = curr_exec_cnt;
139
140    /* The lock should be acquired before any output is printed on the screen */
141    MX_SCOPED_LOCK(logMutexGet());
142
143    display_put("%s", ESC_CLEAR);
144    display_put("----------------------------[ " ESC_BOLD "%s v%s" ESC_RESET
145                " ]---------------------------\n", PROG_NAME, PROG_VERSION);
146    display_put("  Iterations : " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET, curr_exec_cnt);
147    display_printKMG(curr_exec_cnt);
148    if (hfuzz->mutationsMax) {
149        display_put(" (out of: " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET " [" ESC_BOLD "%.2f"
150                    ESC_RESET "%%])", hfuzz->mutationsMax, exeProgress);
151    }
152    switch (ATOMIC_GET(hfuzz->state)) {
153    case _HF_STATE_STATIC:
154        display_put("\n       Phase : " ESC_BOLD "Main" ESC_RESET);
155        break;
156    case _HF_STATE_DYNAMIC_PRE:
157        display_put("\n       Phase : " ESC_BOLD "Dry Run" ESC_RESET);
158        break;
159    case _HF_STATE_DYNAMIC_MAIN:
160        display_put("\n       Phase : " ESC_BOLD "Dynamic Main" ESC_RESET);
161        break;
162    default:
163        display_put("\n       Phase : " ESC_BOLD "Unknown" ESC_RESET);
164        break;
165    }
166
167    char start_time_str[128];
168    util_getLocalTime("%F %T", start_time_str, sizeof(start_time_str), hfuzz->timeStart);
169    display_put("\n    Run Time : " ESC_BOLD "%s" ESC_RESET " (since: " ESC_BOLD "%s" ESC_RESET
170                ")\n", time_elapsed_str, start_time_str);
171    display_put("   Input Dir : '" ESC_BOLD "%s" ESC_RESET "'\n",
172                hfuzz->inputDir != NULL ? hfuzz->inputDir : "[NONE]");
173    display_put("  Fuzzed Cmd : '" ESC_BOLD "%s" ESC_RESET "'\n", hfuzz->cmdline_txt);
174    if (hfuzz->linux.pid > 0) {
175        display_put("Remote cmd [" ESC_BOLD "%d" ESC_RESET "]: '" ESC_BOLD "%s" ESC_RESET
176                    "'\n", hfuzz->linux.pid, hfuzz->linux.pidCmd);
177    }
178
179    static long num_cpu = 0;
180    if (num_cpu == 0) {
181        num_cpu = sysconf(_SC_NPROCESSORS_ONLN);
182    }
183    unsigned cpuUse = getCpuUse(num_cpu);
184    display_put("     Threads : " ESC_BOLD "%zu" ESC_RESET ", CPUs: " ESC_BOLD "%ld" ESC_RESET
185                ", CPU: " ESC_BOLD "%u" ESC_RESET "%% (" ESC_BOLD "%u" ESC_RESET "%%/CPU)\n",
186                hfuzz->threadsMax, num_cpu, cpuUse, cpuUse / num_cpu);
187
188    display_put("       Speed : " ESC_BOLD "% " _HF_MONETARY_MOD "zu" ESC_RESET "/sec"
189                " (avg: " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET ")\n", exec_per_sec,
190                elapsed_second ? (curr_exec_cnt / elapsed_second) : 0);
191    /* If dry run, print also the input file count */
192    if (hfuzz->origFlipRate == 0.0L && hfuzz->useVerifier) {
193        display_put("     Input Files : '" ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET "'\n",
194                    hfuzz->fileCnt);
195    }
196
197    uint64_t crashesCnt = ATOMIC_GET(hfuzz->crashesCnt);
198    /* colored the crash count as red when exist crash */
199    display_put("     Crashes : " ESC_BOLD "%s" "%zu" ESC_RESET " (unique: %s" ESC_BOLD "%zu"
200                ESC_RESET ", blacklist: " ESC_BOLD "%zu" ESC_RESET ", verified: "
201                ESC_BOLD "%zu" ESC_RESET ")\n", crashesCnt > 0 ? ESC_RED : "",
202                hfuzz->crashesCnt, crashesCnt > 0 ? ESC_RED : "",
203                ATOMIC_GET(hfuzz->uniqueCrashesCnt), ATOMIC_GET(hfuzz->blCrashesCnt),
204                ATOMIC_GET(hfuzz->verifiedCrashesCnt));
205    display_put("    Timeouts : " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET " [%"
206                _HF_MONETARY_MOD "zu sec.]\n", ATOMIC_GET(hfuzz->timeoutedCnt), hfuzz->tmOut);
207    /* Feedback data sources are enabled. Start with common headers. */
208    if (hfuzz->dynFileMethod != _HF_DYNFILE_NONE || hfuzz->useSanCov) {
209        display_put(" Corpus Size : " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET
210                    ", max size (bytes): " ESC_BOLD "%" _HF_MONETARY_MOD "zu" ESC_RESET "\n",
211                    hfuzz->dynfileqCnt, hfuzz->maxFileSz);
212        display_put("    Coverage :\n");
213    }
214
215    /* HW perf specific counters */
216    if (hfuzz->dynFileMethod & _HF_DYNFILE_INSTR_COUNT) {
217        display_put("       *** instructions:   " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
218                    "\n", ATOMIC_GET(hfuzz->linux.hwCnts.cpuInstrCnt));
219    }
220    if (hfuzz->dynFileMethod & _HF_DYNFILE_BRANCH_COUNT) {
221        display_put("       *** branches:       " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
222                    "\n", ATOMIC_GET(hfuzz->linux.hwCnts.cpuBranchCnt));
223    }
224    if (hfuzz->dynFileMethod & _HF_DYNFILE_BTS_BLOCK) {
225        display_put("       *** BTS blocks:     " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
226                    "\n", ATOMIC_GET(hfuzz->linux.hwCnts.bbCnt));
227    }
228    if (hfuzz->dynFileMethod & _HF_DYNFILE_BTS_EDGE) {
229        display_put("       *** BTS edges:      " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
230                    "\n", ATOMIC_GET(hfuzz->linux.hwCnts.bbCnt));
231    }
232    if (hfuzz->dynFileMethod & _HF_DYNFILE_IPT_BLOCK) {
233        display_put("       *** PT blocks:      " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
234                    "\n", ATOMIC_GET(hfuzz->linux.hwCnts.bbCnt));
235    }
236    if (hfuzz->dynFileMethod & _HF_DYNFILE_SOFT) {
237        uint64_t softCntPc = ATOMIC_GET(hfuzz->linux.hwCnts.softCntPc);
238        uint64_t softCntCmp = ATOMIC_GET(hfuzz->linux.hwCnts.softCntCmp);
239        display_put("       *** blocks seen:    " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
240                    ", comparison map: " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET "\n",
241                    softCntPc, softCntCmp);
242    }
243
244    /* Sanitizer coverage specific counters */
245    if (hfuzz->useSanCov) {
246        uint64_t hitBB = ATOMIC_GET(hfuzz->sanCovCnts.hitBBCnt);
247        uint64_t totalBB = ATOMIC_GET(hfuzz->sanCovCnts.totalBBCnt);
248        float covPer = totalBB ? (((float)hitBB * 100) / totalBB) : 0.0;
249        display_put("       *** total hit #bb:  " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
250                    " (coverage " ESC_BOLD "%.2f" ESC_RESET "%%)\n", hitBB, covPer);
251        display_put("       *** total #dso:     " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
252                    " (instrumented only)\n", ATOMIC_GET(hfuzz->sanCovCnts.iDsoCnt));
253        display_put("       *** discovered #bb: " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
254                    " (new from input seed)\n", ATOMIC_GET(hfuzz->sanCovCnts.newBBCnt));
255        display_put("       *** crashes:        " ESC_BOLD "%" _HF_MONETARY_MOD PRIu64 ESC_RESET
256                    "\n", ATOMIC_GET(hfuzz->sanCovCnts.crashesCnt));
257    }
258    display_put("-----------------------------------[ " ESC_BOLD "LOGS" ESC_RESET
259                " ]-----------------------------------\n");
260}
261
262extern void display_display(honggfuzz_t * hfuzz)
263{
264    display_displayLocked(hfuzz);
265}
266