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| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-09-02 18:49:43 +0200 |
|---|---|---|
| committer | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-09-02 18:49:43 +0200 |
| commit | b24639d0113e15933e749ea0f96abe3f25a134a0 (patch) | |
| tree | 4272020625c80c0d6982d3787bebc573c0da01b8 /src/afl-gotcpu.c | |
| parent | 2ae4ca91b48407add0e940ee13bd8b385e319a7a (diff) | |
| download | afl++-b24639d0113e15933e749ea0f96abe3f25a134a0.tar.gz | |
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Diffstat (limited to 'src/afl-gotcpu.c')
| -rw-r--r-- | src/afl-gotcpu.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/src/afl-gotcpu.c b/src/afl-gotcpu.c index fa629eb7..5aa9b35c 100644 --- a/src/afl-gotcpu.c +++ b/src/afl-gotcpu.c @@ -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 */ } + |