ExternalVendorCode/AFLplusplus
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This commit is contained in:
Andrea Fioraldi
2019-09-02 18:49:43 +02:00
parent 2ae4ca91b4
commit b24639d011
57 changed files with 8674 additions and 7125 deletions
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23
src/afl-gotcpu.c
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@ -31,7 +31,7 @@
#endif
#ifdef __ANDROID__
#include "android-ashmem.h"
# include "android-ashmem.h"
#endif
#include <stdio.h>
#include <stdlib.h>
@ -51,12 +51,11 @@
# define HAVE_AFFINITY 1
#endif /* __linux__ */
/* Get unix time in microseconds. */
static u64 get_cur_time_us(void) {
struct timeval tv;
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
@ -65,7 +64,6 @@ static u64 get_cur_time_us(void) {
}
/* Get CPU usage in microseconds. */
static u64 get_cpu_usage_us(void) {
@ -79,7 +77,6 @@ static u64 get_cpu_usage_us(void) {
}
/* Measure preemption rate. */
static u32 measure_preemption(u32 target_ms) {
@ -96,14 +93,17 @@ repeat_loop:
v1 = CTEST_BUSY_CYCLES;
while (v1--) v2++;
while (v1--)
v2++;
sched_yield();
en_t = get_cur_time_us();
if (en_t - st_t < target_ms * 1000) {
loop_repeats++;
goto repeat_loop;
}
/* Let's see what percentage of this time we actually had a chance to
@ -111,22 +111,20 @@ repeat_loop:
en_c = get_cpu_usage_us();
real_delta = (en_t - st_t) / 1000;
real_delta = (en_t - st_t) / 1000;
slice_delta = (en_c - st_c) / 1000;
return real_delta * 100 / slice_delta;
}
/* Do the benchmark thing. */
int main(int argc, char** argv) {
#ifdef HAVE_AFFINITY
u32 cpu_cnt = sysconf(_SC_NPROCESSORS_ONLN),
idle_cpus = 0, maybe_cpus = 0, i;
u32 cpu_cnt = sysconf(_SC_NPROCESSORS_ONLN), idle_cpus = 0, maybe_cpus = 0, i;
SAYF(cCYA "afl-gotcpu" VERSION cRST " by <lcamtuf@google.com>\n");
@ -142,7 +140,7 @@ int main(int argc, char** argv) {
if (!fr) {
cpu_set_t c;
u32 util_perc;
u32 util_perc;
CPU_ZERO(&c);
CPU_SET(i, &c);
@ -159,7 +157,7 @@ int main(int argc, char** argv) {
} else if (util_perc < 250) {
SAYF(" Core #%u: " cYEL "CAUTION " cRST "(%u%%)\n", i, util_perc);
SAYF(" Core #%u: " cYEL "CAUTION " cRST "(%u%%)\n", i, util_perc);
exit(1);
}
@ -255,3 +253,4 @@ int main(int argc, char** argv) {
#endif /* ^HAVE_AFFINITY */
}