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author | Moritz Pflanzer <moritz.pflanzer@arm.com> | 2017-09-01 20:41:12 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | a09de0c8b2ed0f1481502d3b023375609362d9e3 (patch) | |
tree | e34b56d9ca69b025d7d9b943cc4df59cd458f6cb /tests/framework/instruments/PMUCounter.cpp | |
parent | 5280071b336d53aff94ca3a6c70ebbe6bf03f4c3 (diff) | |
download | ComputeLibrary-a09de0c8b2ed0f1481502d3b023375609362d9e3.tar.gz |
COMPMID-415: Rename and move tests
The boost validation is now "standalone" in validation_old and builds as
arm_compute_validation_old. The new validation builds now as
arm_compute_validation.
Change-Id: Ib93ba848a25680ac60afb92b461d574a0757150d
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/86187
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'tests/framework/instruments/PMUCounter.cpp')
-rw-r--r-- | tests/framework/instruments/PMUCounter.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/tests/framework/instruments/PMUCounter.cpp b/tests/framework/instruments/PMUCounter.cpp new file mode 100644 index 0000000000..7994a15862 --- /dev/null +++ b/tests/framework/instruments/PMUCounter.cpp @@ -0,0 +1,140 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "PMUCounter.h" + +#define _GNU_SOURCE 1 +#include <asm/unistd.h> +#include <csignal> +#include <cstdio> +#include <cstdlib> +#include <cstring> +#include <fcntl.h> +#include <linux/hw_breakpoint.h> +#include <linux/perf_event.h> +#include <sys/ioctl.h> +#include <unistd.h> +#undef _GNU_SOURCE + +#include <stdexcept> + +namespace arm_compute +{ +namespace test +{ +namespace framework +{ +CycleCounter::CycleCounter() +{ + const pid_t pid = getpid(); + + struct perf_event_attr perf_config; //NOLINT + memset(&perf_config, 0, sizeof(struct perf_event_attr)); + + perf_config.config = PERF_COUNT_HW_CPU_CYCLES; + perf_config.size = sizeof(struct perf_event_attr); + perf_config.type = PERF_TYPE_HARDWARE; + // The inherit bit specifies that this counter should count events of child + // tasks as well as the task specified + perf_config.inherit = 1; + // Enables saving of event counts on context switch for inherited tasks + perf_config.inherit_stat = 1; + + _fd = syscall(__NR_perf_event_open, &perf_config, pid, -1, -1, 0); + + if(_fd < 0) + { + throw std::runtime_error("perf_event_open for cycles failed"); + } +} + +std::string CycleCounter::id() const +{ + return "Cycle Counter"; +} + +void CycleCounter::start() +{ + ioctl(_fd, PERF_EVENT_IOC_RESET, 0); + ioctl(_fd, PERF_EVENT_IOC_ENABLE, 0); +} + +void CycleCounter::stop() +{ + ioctl(_fd, PERF_EVENT_IOC_DISABLE, 0); + read(_fd, &_cycles, sizeof(_cycles)); +} + +Instrument::Measurement CycleCounter::measurement() const +{ + return Measurement(_cycles, "cycles"); +} + +InstructionCounter::InstructionCounter() +{ + const pid_t pid = getpid(); + + struct perf_event_attr perf_config; //NOLINT + memset(&perf_config, 0, sizeof(struct perf_event_attr)); + + perf_config.config = PERF_COUNT_HW_INSTRUCTIONS; + perf_config.size = sizeof(struct perf_event_attr); + perf_config.type = PERF_TYPE_HARDWARE; + // The inherit bit specifies that this counter should count events of child + // tasks as well as the task specified + perf_config.inherit = 1; + // Enables saving of event counts on context switch for inherited tasks + perf_config.inherit_stat = 1; + + _fd = syscall(__NR_perf_event_open, &perf_config, pid, -1, -1, 0); + + if(_fd < 0) + { + throw std::runtime_error("perf_event_open for instructions failed"); + } +} + +std::string InstructionCounter::id() const +{ + return "Instruction Counter"; +} + +void InstructionCounter::start() +{ + ioctl(_fd, PERF_EVENT_IOC_RESET, 0); + ioctl(_fd, PERF_EVENT_IOC_ENABLE, 0); +} + +void InstructionCounter::stop() +{ + ioctl(_fd, PERF_EVENT_IOC_DISABLE, 0); + read(_fd, &_instructions, sizeof(_instructions)); +} + +Instrument::Measurement InstructionCounter::measurement() const +{ + return Measurement(_instructions, "instructions"); +} +} // namespace framework +} // namespace test +} // namespace arm_compute |