aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/benchmark.h
diff options
context:
space:
mode:
authorSverker Eriksson <[email protected]>2017-08-30 20:55:08 +0200
committerSverker Eriksson <[email protected]>2017-08-30 20:55:08 +0200
commit7c67bbddb53c364086f66260701bc54a61c9659c (patch)
tree92ab0d4b91d5e2f6e7a3f9d61ea25089e8a71fe0 /erts/emulator/beam/benchmark.h
parent97dc5e7f396129222419811c173edc7fa767b0f8 (diff)
parent3b7a6ffddc819bf305353a593904cea9e932e7dc (diff)
downloadotp-7c67bbddb53c364086f66260701bc54a61c9659c.tar.gz
otp-7c67bbddb53c364086f66260701bc54a61c9659c.tar.bz2
otp-7c67bbddb53c364086f66260701bc54a61c9659c.zip
Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'erts/emulator/beam/benchmark.h')
-rw-r--r--erts/emulator/beam/benchmark.h68
1 files changed, 17 insertions, 51 deletions
diff --git a/erts/emulator/beam/benchmark.h b/erts/emulator/beam/benchmark.h
index 766edaac42..0272896f4f 100644
--- a/erts/emulator/beam/benchmark.h
+++ b/erts/emulator/beam/benchmark.h
@@ -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%
*/
@@ -37,10 +38,7 @@
/* BM_TIMERS keeps track of the time spent in diferent parts of the
* system. It only measures accual active time, not time spent in idle
- * mode. These timers requires hardware support. For Linux, use the
- * package perfctr from user.it.uu.se/~mikpe/linux/perfctr. If this
- * package is not specified when configuring the system
- * (--with-perfctr=PATH), the Solaris hrtime_t will be used.
+ * mode. Currently, the Solaris hrtime_t will be used.
* To add new timers look below.
*/
#define BM_TIMERS
@@ -142,43 +140,12 @@ extern unsigned long long major_gc;
* meassure (send time in shared heap for instance).
*/
-#if (defined(__i386__) || defined(__x86_64__)) && USE_PERFCTR
-#include "libperfctr.h"
-
-#define BM_TIMER_T double
-
-extern struct vperfctr *system_clock;
-extern double cpu_khz;
-extern BM_TIMER_T start_time;
-
-#define BM_START_TIMER(t) start_time = \
- (BM_TIMER_T)vperfctr_read_tsc(system_clock) / \
- cpu_khz;
-
-#define BM_STOP_TIMER(t) do { \
- BM_TIMER_T tmp = ((BM_TIMER_T)vperfctr_read_tsc(system_clock) / cpu_khz); \
- tmp -= (start_time + timer_time); \
- t##_time += (tmp > 0 ? tmp : 0); \
-} while(0)
-
-#define BM_TIME_PRINTER(str,time) do { \
- int min,sec,milli,micro; \
- BM_TIMER_T tmp = (time) * 1000; \
- micro = (uint)(tmp - ((int)(tmp / 1000)) * 1000); \
- tmp /= 1000; \
- milli = (uint)(tmp - ((int)(tmp / 1000)) * 1000); \
- tmp /= 1000; \
- sec = (uint)(tmp - ((int)(tmp / 60)) * 60); \
- min = (uint)tmp / 60; \
- erts_fprintf(file,str": %d:%02d.%03d %03d\n",min,sec,milli,micro); \
-} while(0)
-
-#else /* !USE_PERFCTR (Assuming Solaris) */
+/* (Assuming Solaris) */
-#define BM_TIMER_T hrtime_t
-#define BM_START_TIMER(t) system_clock = sys_gethrtime()
+#define BM_TIMER_T ErtsMonotonicTime
+#define BM_START_TIMER(t) system_clock = ERTS_MONOTONIC_TO_NSEC(erts_os_monotonic_time())
#define BM_STOP_TIMER(t) do { \
- BM_TIMER_T tmp = (sys_gethrtime() - system_clock) - timer_time; \
+ BM_TIMER_T tmp = (ERTS_MONOTONIC_TO_NSEC(erts_os_monotonic_time()) - system_clock) - timer_time; \
t##_time += (tmp > 0 ? tmp : 0); \
} while(0)
@@ -196,7 +163,6 @@ extern BM_TIMER_T start_time;
} while(0)
extern BM_TIMER_T system_clock;
-#endif /* USE_PERFCTR */
extern BM_TIMER_T timer_time;
extern BM_TIMER_T system_time;