diff options
Diffstat (limited to 'erts/emulator/beam/benchmark.c')
| -rw-r--r-- | erts/emulator/beam/benchmark.c | 88 |
1 files changed, 13 insertions, 75 deletions
diff --git a/erts/emulator/beam/benchmark.c b/erts/emulator/beam/benchmark.c index 8613131176..c8409784ef 100644 --- a/erts/emulator/beam/benchmark.c +++ b/erts/emulator/beam/benchmark.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2012. All Rights Reserved. + * Copyright Ericsson AB 2002-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -37,37 +38,9 @@ unsigned long long major_gc; #ifdef BM_TIMERS -#if (defined(__i386__) || defined(__x86_64__)) && USE_PERFCTR - -#include "libperfctr.h" -struct vperfctr *system_clock; -double cpu_khz; -BM_NEW_TIMER(start); - -static double get_hrvtime(void) -{ - unsigned long long ticks; - double milli_seconds; - - ticks = vperfctr_read_tsc(system_clock); - milli_seconds = (double)ticks / cpu_khz; - return milli_seconds; -} - -static void stop_hrvtime(void) -{ - if(system_clock) - { - vperfctr_stop(system_clock); - vperfctr_close(system_clock); - system_clock = NULL; - } -} - -#else /* not perfctr, asuming Solaris */ +/* assuming Solaris */ #include <time.h> BM_TIMER_T system_clock; -#endif unsigned long local_pause_times[MAX_PAUSE_TIME]; unsigned long pause_times[MAX_PAUSE_TIME]; @@ -117,40 +90,6 @@ unsigned long long message_sizes[1000]; void init_benchmarking() { #ifdef BM_TIMERS -#if (defined(__i386__) || defined(__x86_64__)) && USE_PERFCTR - /* pass `--with-perfctr=/path/to/perfctr' when configuring */ - struct perfctr_info info; - struct vperfctr_control control; - int i; - - system_clock = vperfctr_open(); - if (system_clock != NULL) - { - if (vperfctr_info(system_clock,&info) >= 0) - { - cpu_khz = (double)info.cpu_khz; - if (info.cpu_features & PERFCTR_FEATURE_RDTSC) - { - memset(&control,0,sizeof control); - control.cpu_control.tsc_on = 1; - } - } - if (vperfctr_control(system_clock,&control) < 0) - { - vperfctr_close(system_clock); - system_clock = NULL; - } - } - - for (i = 0; i < 1000; i++) - { - BM_START_TIMER(system); - BM_STOP_TIMER(system); - } - - timer_time = system_time / 1000; - start_time = 0; -#else int i; for (i = 0; i < 1000; i++) { @@ -158,7 +97,6 @@ void init_benchmarking() BM_STOP_TIMER(system); } timer_time = system_time / 1000; -#endif for (i = 0; i < MAX_PAUSE_TIME; i++) { local_pause_times[i] = 0; |