restructuring the tests slightly

src/core/hooked_functions.c

@@ -393,7 +393,7 @@ asmlinkage long sys_sleep_new(struct timespec __user *rqtp,
 		wake_up_interruptible(&expstop_call_proc_wqueue);
 
 		rmt = ktime_to_timespec(rem);
-		if (copy_to_user(rmtp, &rmt, sizeof(*rmtp)))
+		if (rmtp && copy_to_user(rmtp, &rmt, sizeof(*rmtp)))
 			return -EFAULT;
 		return 0;
 

src/tracer/libperf/Makefile

@@ -245,7 +245,7 @@ INSTALL_DATA = ${INSTALL} -m 644
 INSTALL_PROGRAM = ${INSTALL}
 INSTALL_SCRIPT = ${INSTALL}
 INSTALL_STRIP_PROGRAM = $(install_sh) -c -s
-LD = /usr/bin/x86_64-linux-gnu-ld -m elf_x86_64
+LD = /usr/bin/ld -m elf_x86_64
 LDFLAGS = 
 LIBOBJS = 
 LIBPERF_API_VERSION = 1.0

src/tracer/libperf/config.status

@@ -571,7 +571,7 @@ Xsed='/bin/sed -e 1s/^X//'
 GREP='/bin/grep'
 EGREP='/bin/grep -E'
 FGREP='/bin/grep -F'
-LD='/usr/bin/x86_64-linux-gnu-ld -m elf_x86_64'
+LD='/usr/bin/ld -m elf_x86_64'
 NM='/usr/bin/nm -B'
 LN_S='ln -s'
 max_cmd_len='1572864'
@@ -679,8 +679,8 @@ postuninstall_cmds=''
 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
 finish_eval=''
 hardcode_into_libs='yes'
-sys_lib_search_path_spec='/usr/lib/gcc/x86_64-linux-gnu/6 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib '
-configure_time_dlsearch_path='/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/mesa-egl /usr/lib/x86_64-linux-gnu/mesa /lib32 /usr/lib32 '
+sys_lib_search_path_spec='/usr/lib/gcc/x86_64-linux-gnu/5 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib '
+configure_time_dlsearch_path='/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/mesa-egl /usr/lib/x86_64-linux-gnu/mesa '
 configure_time_lt_sys_library_path=''
 hardcode_action='immediate'
 enable_dlopen='unknown'
@@ -839,7 +839,7 @@ S["LN_S"]="ln -s"
 S["NM"]="/usr/bin/nm -B"
 S["ac_ct_DUMPBIN"]=""
 S["DUMPBIN"]=""
-S["LD"]="/usr/bin/x86_64-linux-gnu-ld -m elf_x86_64"
+S["LD"]="/usr/bin/ld -m elf_x86_64"
 S["FGREP"]="/bin/grep -F"
 S["EGREP"]="/bin/grep -E"
 S["GREP"]="/bin/grep"

src/tracer/libperf/libtool

@@ -282,10 +282,10 @@ finish_eval=""
 hardcode_into_libs=yes
 
 # Compile-time system search path for libraries.
-sys_lib_search_path_spec="/usr/lib/gcc/x86_64-linux-gnu/6 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib "
+sys_lib_search_path_spec="/usr/lib/gcc/x86_64-linux-gnu/5 /usr/lib/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib "
 
 # Detected run-time system search path for libraries.
-sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/mesa-egl /usr/lib/x86_64-linux-gnu/mesa /lib32 /usr/lib32 "
+sys_lib_dlsearch_path_spec="/lib /usr/lib /usr/lib/x86_64-linux-gnu/libfakeroot /usr/local/lib /lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu /usr/lib/x86_64-linux-gnu/mesa-egl /usr/lib/x86_64-linux-gnu/mesa "
 
 # Explicit LT_SYS_LIBRARY_PATH set during ./configure time.
 configure_time_lt_sys_library_path=""
@@ -305,7 +305,7 @@ striplib="strip --strip-unneeded"
 
 
 # The linker used to build libraries.
-LD="/usr/bin/x86_64-linux-gnu-ld -m elf_x86_64"
+LD="/usr/bin/ld -m elf_x86_64"
 
 # How to create reloadable object files.
 reload_flag=" -r"

src/tracer/libperf/src/.deps/libperf.Plo

@@ -9,7 +9,7 @@ libperf.lo: libperf.c /usr/include/stdc-predef.h /usr/include/assert.h \
  /usr/include/x86_64-linux-gnu/bits/fcntl-linux.h /usr/include/time.h \
  /usr/include/x86_64-linux-gnu/bits/stat.h \
  /usr/include/x86_64-linux-gnu/bits/fcntl2.h /usr/include/inttypes.h \
- /usr/lib/gcc/x86_64-linux-gnu/6/include/stdint.h /usr/include/stdint.h \
+ /usr/lib/gcc/x86_64-linux-gnu/5/include/stdint.h /usr/include/stdint.h \
  /usr/include/x86_64-linux-gnu/bits/wchar.h /usr/include/math.h \
  /usr/include/x86_64-linux-gnu/bits/math-vector.h \
  /usr/include/x86_64-linux-gnu/bits/libm-simd-decl-stubs.h \
@@ -21,9 +21,9 @@ libperf.lo: libperf.c /usr/include/stdc-predef.h /usr/include/assert.h \
  /usr/include/x86_64-linux-gnu/bits/mathdef.h \
  /usr/include/x86_64-linux-gnu/bits/mathcalls.h \
  /usr/include/x86_64-linux-gnu/bits/mathinline.h /usr/include/stdio.h \
- /usr/lib/gcc/x86_64-linux-gnu/6/include/stddef.h /usr/include/libio.h \
+ /usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h /usr/include/libio.h \
  /usr/include/_G_config.h /usr/include/wchar.h \
- /usr/lib/gcc/x86_64-linux-gnu/6/include/stdarg.h \
+ /usr/lib/gcc/x86_64-linux-gnu/5/include/stdarg.h \
  /usr/include/x86_64-linux-gnu/bits/stdio_lim.h \
  /usr/include/x86_64-linux-gnu/bits/sys_errlist.h \
  /usr/include/x86_64-linux-gnu/bits/stdio.h \
@@ -109,7 +109,7 @@ libperf.lo: libperf.c /usr/include/stdc-predef.h /usr/include/assert.h \
 
 /usr/include/inttypes.h:
 
-/usr/lib/gcc/x86_64-linux-gnu/6/include/stdint.h:
+/usr/lib/gcc/x86_64-linux-gnu/5/include/stdint.h:
 
 /usr/include/stdint.h:
 
@@ -139,15 +139,15 @@ libperf.lo: libperf.c /usr/include/stdc-predef.h /usr/include/assert.h \
 
 /usr/include/stdio.h:
 
-/usr/lib/gcc/x86_64-linux-gnu/6/include/stddef.h:
+/usr/lib/gcc/x86_64-linux-gnu/5/include/stddef.h:
 
 /usr/include/libio.h:
 
 /usr/include/_G_config.h:
 
 /usr/include/wchar.h:
 
-/usr/lib/gcc/x86_64-linux-gnu/6/include/stdarg.h:
+/usr/lib/gcc/x86_64-linux-gnu/5/include/stdarg.h:
 
 /usr/include/x86_64-linux-gnu/bits/stdio_lim.h:
 

src/tracer/libperf/src/Makefile

@@ -254,7 +254,7 @@ INSTALL_DATA = ${INSTALL} -m 644
 INSTALL_PROGRAM = ${INSTALL}
 INSTALL_SCRIPT = ${INSTALL}
 INSTALL_STRIP_PROGRAM = $(install_sh) -c -s
-LD = /usr/bin/x86_64-linux-gnu-ld -m elf_x86_64
+LD = /usr/bin/ld -m elf_x86_64
 LDFLAGS = 
 LIBOBJS = 
 LIBPERF_API_VERSION = 1.0

src/tracer/tests/repeatability-test/Makefile

@@ -15,7 +15,6 @@ build:
 	-I${tracer_dir}/utils ${test_dir}/insn_tester.c ${tracer_dir}/utils/linkedlist.c \
 	${tracer_dir}/utils/hashmap.c -o ${test_dir}/insn_tester -lperf
 	@gcc ${test_dir}/test.c -fno-asynchronous-unwind-tables -fno-dwarf2-cfi-asm -o ${test_dir}/test
-	@gcc ${test_dir}/test.c -S -fno-asynchronous-unwind-tables -fno-dwarf2-cfi-asm -o ${test_dir}/test.s
 	@echo ${test_dir}/test > cmds.txt
 	@chmod 777 ${test_dir}/test
 	@chmod 777 ${test_dir}/insn_tester

tests/Makefile

@@ -10,7 +10,6 @@ clean:
 	@cd usleep_test && make clean 
 	@cd socket_test && make clean
 	@cd timerfd_test && make clean
-	@cd alarm_test && make clean
 	@cd producer_consumer_test && make clean
 	@rm -f /usr/bin/run_test
 
@@ -20,13 +19,9 @@ build:
 	@cd integration_test && make build
 	@cd usleep_test && make build
 	@cd socket_test && make build
-	@cd alarm_test && make build
 	@cd timerfd_test && make build
 	@cd producer_consumer_test && make build
 
-run_alarm_test:
-	@cd alarm_test && echo "Running Alarm Test: " && chmod 777 run_test.sh && sudo ./run_test.sh
-
 run_timerfd_test:
 	@cd timerfd_test && echo "Running Timerfd Test: " && chmod 777 run_test.sh && sudo ./run_test.sh
 
@@ -44,5 +39,5 @@ run:
 	@cd usleep_test && echo "Running usleep Test: " && chmod 777 run_test.sh && sudo ./run_test.sh
 	@cd socket_test && echo "Running Socket Test: " && chmod 777 run_test.sh && sudo ./run_test.sh
 	@cd producer_consumer_test && echo "Running Producer Consumer Test: " && chmod 777 run_test.sh && sudo ./run_test.sh
-
+	@sudo chmod -R 775 /tmp/*_test
 

tests/producer_consumer_test/run_test.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-sudo run_test 1 1 1000 1000000 > /tmp/pc_test.log
-if grep -nr "Succeeded" /tmp/pc_test.log; then
-	echo "STATUS: COMPLETED. Check Logs at /tmp/pc_test.log"
+sudo rm -f /tmp/tracer*
+mkdir -p /tmp/pc_test
+sudo run_test 1 1 1000 1000000 > /tmp/pc_test/pc_test.log
+sudo cp /tmp/tracer* /tmp/pc_test 2> /dev/null
+if grep -nr "Succeeded" /tmp/pc_test/pc_test.log; then
+	echo "STATUS: COMPLETED. Check Logs inside /tmp/pc_test"
 else
-	echo "STATUS: FAILED. Check Logs at /tmp/pc_test.log"
+	echo "STATUS: FAILED. Check Logs inside /tmp/pc_test"
 fi

tests/socket_test/run_test.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-sudo ./socket_test > /tmp/socket_test.log
-if grep -nr "Succeeded" /tmp/socket_test.log; then
-	echo "STATUS: COMPLETED. Check Logs at /tmp/socket_test.log"
+sudo rm -f /tmp/tracer*
+sudo mkdir -p /tmp/socket_test
+sudo ./socket_test > /tmp/socket_test/socket_test.log
+sudo cp /tmp/tracer* /tmp/socket_test 2> /dev/null
+if grep -nr "Succeeded" /tmp/socket_test/socket_test.log; then
+	echo "STATUS: COMPLETED. Check Logs inside /tmp/socket_test"
 else
-	echo "STATUS: FAILED. Check Logs at /tmp/socket_test.log"
-fi
+	echo "STATUS: FAILED. Check Logs inside /tmp/socket_test"
+fi

tests/socket_test/socket_test.c

@@ -204,9 +204,9 @@ int main(int argc, char * argv[]) {
 
   usleep(1000000);
 
-  printf("Progress Experiment for 200 Rounds !\n");
+  printf("Progress Experiment for 2000 Rounds !\n");
   fflush(stdout);
-  for (i = 0; i < 200; i++) {
+  for (i = 0; i < 2000; i++) {
     printf("%d,", i);
     progress_n_rounds(1);
   }

tests/timerfd_test/run_test.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-sudo run_test 1 1 10000 1000000 > /tmp/tfd_test.log
-if grep -nr "Succeeded" /tmp/tfd_test.log; then
-	echo "STATUS: COMPLETED. Check Logs at /tmp/tfd_test.log"
+sudo rm -f /tmp/tracer*
+sudo mkdir -p /tmp/tfd_test
+sudo run_test 1 1 10000 1000000 > /tmp/tfd_test/tfd_test.log
+sudo cp /tmp/tracer* /tmp/tfd_test 2> /dev/null
+if grep -nr "Succeeded" /tmp/tfd_test/tfd_test.log; then
+	echo "STATUS: COMPLETED. Check Logs inside /tmp/tfd_test"
 else
-	echo "STATUS: FAILED. Check Logs at /tmp/tfd_test.log"
+	echo "STATUS: FAILED. Check Logs at /tmp/tfd_test"
 fi

tests/usleep_test/run_test.sh

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-sudo ./usleep_test 1 > /tmp/usleep_test.log
-if grep -nr "Succeeded" /tmp/usleep_test.log; then
-	echo "STATUS: COMPLETED. Check Logs at /tmp/usleep_test.log"
+sudo rm -f /tmp/tracer*
+sudo mkdir -p /tmp/usleep_test
+sudo ./usleep_test 1 > /tmp/usleep_test/usleep_test.log
+sudo cp /tmp/tracer* /tmp/usleep_test 2> /dev/null
+if grep -nr "Succeeded" /tmp/usleep_test/usleep_test.log; then
+	echo "STATUS: COMPLETED. Check Logs inside /tmp/usleep_test"
 else
-	echo "STATUS: FAILED. Check Logs at /tmp/usleep_test.log"
-fi
+	echo "STATUS: FAILED. Check Logs inside /tmp/usleep_test"
+fi

tests/usleep_test/usleep.c

@@ -43,15 +43,11 @@ int main(int argc, char *argv[])
 		// printf("Sleeping for %d\n", sleep_usec);
 
 
-		if(usleep( sleep_usec ) == -1)
-		{
-			printf("Usleep Error\n");
-			printf("Oh dear, something went wrong with usleep()! %s\n", strerror(errno));
-
+		if (usleep( sleep_usec ) == -1) {
+			printf("Oh dear, something went wrong with usleep !\n");
 			fflush(stdout);
-			exit(1);
+			exit(0);
 		}
-
 		printf("Woke up after sleep\n");
 		fflush(stdout);
 

tests/usleep_test/usleep_test.c

@@ -64,7 +64,7 @@ int main(int argc, char * argv[]) {
   pid_t ret_val;
   int n_exited_tracers = 0;
   int status;
-  int test_n_insns = 1000000;
+  int test_n_insns = 100000;
 
   if (argc < 2 || !strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
     fprintf(stderr, "\n");
@@ -213,9 +213,9 @@ int main(int argc, char * argv[]) {
 
   usleep(1000000);
 
-  printf("Progress Experiment for 100000 Rounds !\n");
+  printf("Progress Experiment for 2000 Rounds !\n");
   fflush(stdout);
-  progress_n_rounds(100000);
+  progress_n_rounds(2000);
   fflush(stdout);
   printf("Stopping Experiment ... \n");
   fflush(stdout);