Add new option --dump-hugepages option in ovs-ctl to enable the addition of hugepages in the core dump filter.
Signed-off-by: Mike Pattrick <m...@redhat.com> --- NEWS | 4 ++++ utilities/ovs-ctl.in | 15 +++++++++++---- 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/NEWS b/NEWS index 8fa57836a..7af60dce3 100644 --- a/NEWS +++ b/NEWS @@ -3,6 +3,10 @@ Post-v2.17.0 - OVSDB: * 'relay' service model now supports transaction history, i.e. honors the 'last-txn-id' field in 'monitor_cond_since' requests from clients. + - ovs-ctl: + * New option '--dump-hugepages' to include hugepages in core dumps. This + can assist with postmortem analysis involving DPDK, but may also produce + significantly larger core dump files. v2.17.0 - 17 Feb 2022 diff --git a/utilities/ovs-ctl.in b/utilities/ovs-ctl.in index e6e07f476..8f900314b 100644 --- a/utilities/ovs-ctl.in +++ b/utilities/ovs-ctl.in @@ -103,8 +103,13 @@ set_system_ids () { action "Configuring Open vSwitch system IDs" "$@" $extra_ids } -check_force_cores () { - if test X"$FORCE_COREFILES" = Xyes; then +check_core_config () { + if test X"$DUMP_HUGEPAGES" = Xyes; then + echo 0x3f > /proc/self/coredump_filter + if test X"$FORCE_COREFILES" = Xyes; then + ulimit -c unlimited + fi + elif test X"$FORCE_COREFILES" = Xyes; then ulimit -c 67108864 fi } @@ -116,7 +121,7 @@ del_transient_ports () { } do_start_ovsdb () { - check_force_cores + check_core_config if daemon_is_running ovsdb-server; then log_success_msg "ovsdb-server is already running" @@ -193,7 +198,7 @@ add_managers () { } do_start_forwarding () { - check_force_cores + check_core_config insert_mod_if_required || return 1 @@ -330,6 +335,7 @@ set_defaults () { DAEMON_CWD=/ FORCE_COREFILES=yes + DUMP_HUGEPAGES=no MLOCKALL=yes SELF_CONFINEMENT=yes MONITOR=yes @@ -419,6 +425,7 @@ Other important options for "start", "restart" and "force-reload-kmod": Less important options for "start", "restart" and "force-reload-kmod": --daemon-cwd=DIR set working dir for OVS daemons (default: $DAEMON_CWD) --no-force-corefiles do not force on core dumps for OVS daemons + --dump-hugepages include hugepages in coredumps --no-mlockall do not lock all of ovs-vswitchd into memory --ovsdb-server-priority=NICE set ovsdb-server's niceness (default: $OVSDB_SERVER_PRIORITY) --ovsdb-server-options=OPTIONS additional options for ovsdb-server (example: '-vconsole:dbg -vfile:dbg') -- 2.27.0 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev