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ARM-software / synchronization-benchmarks

Collection of synchronization micro-benchmarks and traces from infrastructure applications
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Fix -Wall problems #41

Open zoybai opened 6 years ago

zoybai commented 6 years ago 
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"tests/swap_mutex.h\" src/lockhammer.c -o build/lh_swap_mutex -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/mysql/event_mutex.h\" src/lockhammer.c -o build/lh_event_mutex -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/mysql/cas_event_mutex.h\" src/lockhammer.c -o build/lh_cas_event_mutex -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"tests/cas_lockref.h\" src/lockhammer.c -o build/lh_cas_lockref -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"tests/cas_rw_lock.h\" src/lockhammer.c -o build/lh_cas_rw_lock -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"tests/incdec_refcount.h\" src/lockhammer.c -o build/lh_incdec_refcount -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/linux/ticket_spinlock.h\" src/lockhammer.c -o build/lh_ticket_spinlock -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/linux/queued_spinlock.h\" src/lockhammer.c -o build/lh_queued_spinlock -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"tests/empty.h\" src/lockhammer.c -o build/lh_empty -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/jvm/jvm_objectmonitor.h\" src/lockhammer.c -o build/lh_jvm_objectmonitor -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
In file included from src/lockhammer.c:48:0:
./../../ext/jvm/jvm_objectmonitor.h: In function ‘compute_abstime’:
./../../ext/jvm/jvm_objectmonitor.h:186:9: warning: unused variable ‘status’ [-Wunused-variable]
     int status = clock_gettime(CLOCK_MONOTONIC, &now);
         ^~~~~~
./../../ext/jvm/jvm_objectmonitor.h: In function ‘unparkObjectWaiter’:
./../../ext/jvm/jvm_objectmonitor.h:300:9: warning: variable ‘status’ set but not used [-Wunused-but-set-variable]
     int status = pthread_mutex_lock(&node->_mutex);
         ^~~~~~
./../../ext/jvm/jvm_objectmonitor.h: In function ‘jvmObjectMonitorExit’:
./../../ext/jvm/jvm_objectmonitor.h:720:13: warning: unused variable ‘QMode’ [-Wunused-variable]
         int QMode = Knob_QMode;
             ^~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DNDEBUG -DATOMIC_TEST=\"../../ext/tbb/tbb_spin_rw_mutex.h\" src/lockhammer.c -o build/lh_tbb_spin_rw_mutex -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/linux/osq_lock.h\" src/lockhammer.c -o build/lh_osq_lock -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/linux/hybrid_spinlock.h\" src/lockhammer.c -o build/lh_hybrid_spinlock -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
In file included from src/lockhammer.c:48:0:
./../../ext/linux/hybrid_spinlock.h: In function ‘hybrid_spinlock_slowpath’:
./../../ext/linux/hybrid_spinlock.h:127:11: warning: unused variable ‘tmp’ [-Wunused-variable]
  unsigned tmp, tmp2, tmp3;
           ^~~
./../../ext/linux/hybrid_spinlock.h:96:6: warning: unused variable ‘new’ [-Wunused-variable]
  u32 new, old, tail, val, ticketval;
      ^~~
./../../ext/linux/hybrid_spinlock.h: In function ‘lock_acquire’:
./../../ext/linux/hybrid_spinlock.h:188:11: warning: unused variable ‘tmp’ [-Wunused-variable]
  unsigned tmp, tmp2, tmp3;
           ^~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
cc -Wall -g -O3 -I. -I./include -I../../ext/mysql/include -I../../ext/linux/include -I../../ext/tbb/include -DATOMIC_TEST=\"../../ext/linux/hybrid_spinlock_fastdequeue.h\" src/lockhammer.c -o build/lh_hybrid_spinlock_fastdequeue -lpthread -lm
In file included from src/lockhammer.c:46:0:
./include/perf_timer.h: In function ‘evaluate_blackhole’:
./include/perf_timer.h:378:13: warning: unused variable ‘LOOP_TEST_OVERHEAD’ [-Wunused-variable]
     int64_t LOOP_TEST_OVERHEAD = evaluate_loop_overhead(NUMTRIES);
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:376:12: warning: unused variable ‘percent’ [-Wunused-variable]
     double percent;
            ^~~~~~~
./include/perf_timer.h:375:13: warning: variable ‘elapsed_total_diff’ set but not used [-Wunused-but-set-variable]
     int64_t elapsed_total_diff;
             ^~~~~~~~~~~~~~~~~~
./include/perf_timer.h:374:13: warning: variable ‘outer_inner_diff’ set but not used [-Wunused-but-set-variable]
     int64_t outer_inner_diff;
             ^~~~~~~~~~~~~~~~
In file included from src/lockhammer.c:48:0:
./../../ext/linux/hybrid_spinlock_fastdequeue.h: In function ‘hybrid_spinlock_slowpath’:
./../../ext/linux/hybrid_spinlock_fastdequeue.h:130:11: warning: unused variable ‘tmp’ [-Wunused-variable]
  unsigned tmp, tmp2, tmp3;
           ^~~
./../../ext/linux/hybrid_spinlock_fastdequeue.h:99:6: warning: unused variable ‘new’ [-Wunused-variable]
  u32 new, old, tail, val, ticketval;
      ^~~
./../../ext/linux/hybrid_spinlock_fastdequeue.h: In function ‘lock_acquire’:
./../../ext/linux/hybrid_spinlock_fastdequeue.h:221:11: warning: unused variable ‘tmp’ [-Wunused-variable]
  unsigned tmp, tmp2, tmp3;
           ^~~
src/lockhammer.c: In function ‘main’:
src/lockhammer.c:101:14: warning: unused variable ‘buf’ [-Wunused-variable]
         char buf[128];
              ^~~
src/lockhammer.c: In function ‘hmr’:
src/lockhammer.c:349:12: warning: unused variable ‘tickspns’ [-Wunused-variable]
     double tickspns = x->tickspns;
            ^~~~~~~~
lucasclucasdo commented 6 years ago

This and #20 appear to be duplicates.

zoybai commented 5 years ago

All of the included lock algorithms should be built with -Wall enabled and any warnings encountered should be fixed.