This is occasionally useful for debugging.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
Not yet tested, but I'll be sure to test this before committing it.
utilities/ovs-ctl.8 | 15 +++++++++++++++
utilities/ovs-lib.in | 14 +++++++++++++-
2 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/utilities/ovs-ctl.8 b/utilities/ovs-ctl.8
index 988b500..591ff2f 100644
--- a/utilities/ovs-ctl.8
+++ b/utilities/ovs-ctl.8
@@ -182,6 +182,21 @@ suppresses that behavior.
Sets the \fBnice\fR(1) level used for \fBovsdb\-server\fR and
\fBovs\-vswitchd\fR, respectively. Both default to \fB\-10\fR.
.
+\fIniceness\fR may also take one of the following special values.
+These special values great slow daemon operations so they should not
+be used in production. They also produce voluminous logs that can
+quickly fill small disk partitions.
+.
+.RS
+.IP "\fBvalgrind\fR"
+Run the daemon under \fBvalgrind\fR(1), if it is installed, logging to
+\fIdaemon\fB.valgrind.log.\fIpid\fR in the log directory.
+.
+.IP "\fBstrace\fR"
+Run the daemon under \fBstrace\fR(1), if it is installed, logging to
+\fIdaemon\fB.strace.log.\fIpid\fR in the log directory.
+.RE
+.
.PP
The following options control file locations. They should only be
used if the default locations cannot be used. See \fBFILES\fR, below,
diff --git a/utilities/ovs-lib.in b/utilities/ovs-lib.in
index 7a15aae..16f2b39 100644
--- a/utilities/ovs-lib.in
+++ b/utilities/ovs-lib.in
@@ -106,7 +106,19 @@ start_daemon () {
set "$@" --detach --monitor
# priority
- if test X"$priority" != X; then
+ if test X"$priority" = Xvalgrind; then
+ if (valgrind --version) > /dev/null 2>&1; then
+ set valgrind -q --leak-check=full
--log-file="$logdir/$daemon.valgrind.log.%p" "$@"
+ else
+ log_failure_msg "valgrind not installed, running $daemon without
it"
+ fi
+ elif test X"$priority" = Xstrace; then
+ if (strace -V) > /dev/null 2>&1; then
+ set strace -ff -o "$logdir/$daemon.strace.log" "$@"
+ else
+ log_failure_msg "strace not installed, running $daemon without it"
+ fi
+ elif test X"$priority" != X; then
set nice -n "$priority" "$@"
fi
--
1.7.2.5
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