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traffic_counter.hpp
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//
// Copyright 2018 Ettus Research, a National Instruments Company
// Copyright 2019 Ettus Research, A National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#pragma once
#include <uhd/property_tree.hpp>
#include <uhdlib/utils/narrow.hpp>
#include <stdint.h>
#include <type_traits>
#include <functional>
#include <memory>
namespace uhd { namespace rfnoc {
class traffic_counter
{
public:
typedef std::shared_ptr<traffic_counter> sptr;
typedef std::function<void(const uint32_t addr, const uint32_t data)> write_reg_fn_t;
typedef std::function<uint64_t(const uint32_t addr)> read_reg_fn_t;
traffic_counter(uhd::property_tree::sptr tree,
uhd::fs_path root_path,
write_reg_fn_t write_reg_fn,
read_reg_fn_t read_reg_fn)
: _write_reg_fn(write_reg_fn), _read_reg_fn(read_reg_fn)
{
const uint32_t id_reg_offset = 0;
const uint32_t first_counter_offset = 1;
const uint64_t traffic_counter_id = 0x712AFF1C00000000ULL;
// Check traffic counter id to determine if it's present
const uint64_t id = _read_reg_fn(id_reg_offset);
// If present, add properties
if (id == traffic_counter_id) {
tree->create<bool>(root_path / "traffic_counter/enable")
.add_coerced_subscriber([this](const bool enable) {
uint32_t val = enable ? 1 : 0;
return _write_reg_fn(0, val);
})
.set(false);
const char* counters[] = {"bus_clock_ticks",
"xbar_to_shell_xfer_count",
"xbar_to_shell_pkt_count",
"shell_to_xbar_xfer_count",
"shell_to_xbar_pkt_count",
"shell_to_ce_xfer_count",
"shell_to_ce_pkt_count",
"ce_to_shell_xfer_count",
"ce_to_shell_pkt_count"};
for (size_t i = 0; i < std::extent<decltype(counters)>::value; i++) {
tree->create<uint64_t>(root_path / "traffic_counter" / counters[i])
.set_publisher([this, i, first_counter_offset]() {
return _read_reg_fn(
uhd::narrow_cast<uint32_t>(i) + first_counter_offset);
});
}
}
}
private:
write_reg_fn_t _write_reg_fn;
read_reg_fn_t _read_reg_fn;
};
}} /* namespace uhd::rfnoc */
uhd::property_tree::sptr
std::shared_ptr< property_tree > sptr
Definition property_tree.hpp:224
uhd::rfnoc::traffic_counter::write_reg_fn_t
std::function< void(const uint32_t addr, const uint32_t data)> write_reg_fn_t
Definition traffic_counter.hpp:23
uhd::rfnoc::traffic_counter::traffic_counter
traffic_counter(uhd::property_tree::sptr tree, uhd::fs_path root_path, write_reg_fn_t write_reg_fn, read_reg_fn_t read_reg_fn)
Definition traffic_counter.hpp:26
uhd::rfnoc::traffic_counter::read_reg_fn_t
std::function< uint64_t(const uint32_t addr)> read_reg_fn_t
Definition traffic_counter.hpp:24
uhd::rfnoc::traffic_counter::sptr
std::shared_ptr< traffic_counter > sptr
Definition traffic_counter.hpp:22
uhd::rfnoc
Definition actions.hpp:24
uhd
Definition build_info.hpp:12
property_tree.hpp
uhd::fs_path
Definition property_tree.hpp:207