nicbm.cpp

/*
 * Copyright 2021 Max Planck Institute for Software Systems, and
 * National University of Singapore
 *
 * 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 <iostream>

#include "trace/events.h"
#include "trace/parser.h"
#include "trace/process.h"

namespace bio = boost::iostreams;

nicbm_parser::~nicbm_parser()
{
}

void nicbm_parser::process_line(char *line, size_t line_len)
{
    parser p(line, line_len, 0);

    uint64_t ts;
    if (!p.consume_dec(ts))
        return;

    if (!p.consume_str(" nicbm: "))
        return;

    uint64_t id, addr, len, val;
    if (p.consume_str("read(off=0x")) {
        if (p.consume_hex(addr) &&
            p.consume_str(", len=") &&
            p.consume_dec(len) &&
            p.consume_str(", val=0x") &&
            p.consume_hex(val))
        {
            cur_event = new e_nic_mmio_r(ts, addr, len, val);
        }
    } else if (p.consume_str("write(off=0x")) {
        if (p.consume_hex(addr) &&
            p.consume_str(", len=") &&
            p.consume_dec(len) &&
            p.consume_str(", val=0x") &&
            p.consume_hex(val))
        {
            cur_event = new e_nic_mmio_w(ts, addr, len, val);
        }
    } else if (p.consume_str("issuing dma op 0x")) {
        if (p.consume_hex(id) &&
            p.consume_str(" addr ") &&
            p.consume_hex(addr) &&
            p.consume_str(" len ") &&
            p.consume_hex(len))
        {
            cur_event = new e_nic_dma_i(ts, id, addr, len);
        }
    } else if (p.consume_str("completed dma read op 0x")  ||
            p.consume_str("completed dma write op 0x")) {
        if (p.consume_hex(id) &&
            p.consume_str(" addr ") &&
            p.consume_hex(addr) &&
            p.consume_str(" len ") &&
            p.consume_hex(len))
        {
            cur_event = new e_nic_dma_c(ts, id);
        }
    } else if (p.consume_str("issue MSI-X interrupt vec ")) {
        if (p.consume_dec(id)) {
            cur_event = new e_nic_msix(ts, id);
        }
    } else if (p.consume_str("eth tx: len ")) {
        if (p.consume_dec(len)) {
            cur_event = new e_nic_tx(ts, len);
        }
    } else if (p.consume_str("eth rx: port 0 len ")) {
        if (p.consume_dec(len)) {
            cur_event = new e_nic_rx(ts, len);
        }
#if 1
    }
#else
    } else {
        std::cerr.write(line, line_len);
        std::cerr << std::endl;
    }
#endif
}