Explictly pass SECP256K1_BENCH_ITERS to the benchmarks in travis.sh

Author: elichai

.travis.yml

@@ -17,7 +17,7 @@ compiler:
   - gcc
 env:
   global:
-    - FIELD=auto  BIGNUM=auto  SCALAR=auto  ENDOMORPHISM=no  STATICPRECOMPUTATION=yes  ECMULTGENPRECISION=auto  ASM=no  BUILD=check  EXTRAFLAGS=  HOST=  ECDH=no  RECOVERY=no  EXPERIMENTAL=no CTIMETEST=yes BENCH=yes SECP256K1_BENCH_ITERS=2
+    - FIELD=auto  BIGNUM=auto  SCALAR=auto  ENDOMORPHISM=no  STATICPRECOMPUTATION=yes  ECMULTGENPRECISION=auto  ASM=no  BUILD=check  EXTRAFLAGS=  HOST=  ECDH=no  RECOVERY=no  EXPERIMENTAL=no CTIMETEST=yes BENCH=yes ITERS=2
   matrix:
     - SCALAR=32bit    RECOVERY=yes
     - SCALAR=32bit    FIELD=32bit       ECDH=yes  EXPERIMENTAL=yes
@@ -97,6 +97,7 @@ script:
   - function keep_alive() { while true; do echo -en "\a"; sleep 60; done }
   - keep_alive &
   - ./contrib/travis.sh
+  - kill %keep_alive
 
 after_script:
     - cat ./tests.log

contrib/travis.sh

@@ -42,17 +42,17 @@ then
     else
         EXEC=
     fi
-    $EXEC ./bench_ecmult >> bench.log 2>&1
-    $EXEC ./bench_internal >> bench.log 2>&1
-    $EXEC ./bench_sign >> bench.log 2>&1
-    $EXEC ./bench_verify >> bench.log 2>&1
+    SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_ecmult >> bench.log 2>&1
+    SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_internal >> bench.log 2>&1
+    SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_sign >> bench.log 2>&1
+    SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_verify >> bench.log 2>&1
     if [ "$RECOVERY" = "yes" ]
     then
-        $EXEC ./bench_recover >> bench.log 2>&1
+        SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_recover >> bench.log 2>&1
     fi
     if [ "$ECDH" = "yes" ]
     then
-        $EXEC ./bench_ecdh >> bench.log 2>&1
+        SECP256K1_BENCH_ITERS="$ITERS" $EXEC ./bench_ecdh >> bench.log 2>&1
     fi
 fi
 if [ -n "$CTIMETEST" ]