| #!/bin/bash -f |
| |
| # Copyright(c) 2017 Intel Deutschland GmbH |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in |
| # the documentation and/or other materials provided with the distribution. |
| # Neither the name Intel Corporation nor the names of its |
| # contributors may be used to endorse or promote products derived |
| # from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| if [ $? -ne 0 ]; then |
| exit 2 |
| fi |
| |
| LOGDIR_BASE=/var/log |
| |
| current_time="$(date +%s)" |
| timestamp_file="${LOGDIR_BASE}/last_iwlwifi_dump_time" |
| if [ -f "${timestamp_file}" ]; then |
| last_time="$(cat ${timestamp_file})" |
| time_since_last="$((${current_time} - ${last_time}))" |
| if [ "${time_since_last}" -lt 300 ]; then |
| # A dump started within the last five minutes. |
| logger -t fwdump \ |
| "Dump occurred ${time_since_last} seconds ago, not starting another" |
| exit 1 |
| fi |
| fi |
| |
| echo "${current_time}" > "${timestamp_file}" |
| filename="${LOGDIR_BASE}/iwl-fw-error.dump" |
| |
| logger -t fwdump "Saving debug dump to ${filename}" |
| |
| cat "/sys/${DEVPATH}/data" > "${filename}" |
| |
| start iwlwifi-dump-processor DUMP_FILE_PATH="${filename}" |