4478 dtrace_dof_maxsize is far too small
illumos/illumos-gate@d339a29bb4 PR: 187027 MFC after: 1 week
This commit is contained in:
commit
ae9f1a185c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=262596
@ -0,0 +1,97 @@
|
||||
#
|
||||
# CDDL HEADER START
|
||||
#
|
||||
# The contents of this file are subject to the terms of the
|
||||
# Common Development and Distribution License (the "License").
|
||||
# You may not use this file except in compliance with the License.
|
||||
#
|
||||
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||||
# or http://www.opensolaris.org/os/licensing.
|
||||
# See the License for the specific language governing permissions
|
||||
# and limitations under the License.
|
||||
#
|
||||
# When distributing Covered Code, include this CDDL HEADER in each
|
||||
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||||
# If applicable, add the following below this CDDL HEADER, with the
|
||||
# fields enclosed by brackets "[]" replaced with your own identifying
|
||||
# information: Portions Copyright [yyyy] [name of copyright owner]
|
||||
#
|
||||
# CDDL HEADER END
|
||||
#
|
||||
|
||||
#
|
||||
# Copyright (c) 2012, Joyent, Inc. All rights reserved.
|
||||
#
|
||||
|
||||
let j=8
|
||||
|
||||
enable()
|
||||
{
|
||||
prog=/var/tmp/dtest.$$.d
|
||||
err=/var/tmp/dtest.$$.err
|
||||
|
||||
nawk -v nprobes=$1 'BEGIN { \
|
||||
for (i = 0; i < nprobes - 1; i++) { \
|
||||
printf("dtrace:::BEGIN,\n"); \
|
||||
} \
|
||||
\
|
||||
printf("dtrace:::BEGIN { exit(0); }\n"); \
|
||||
}' /dev/null > $prog
|
||||
|
||||
dtrace -qs $prog > /dev/null 2> $err
|
||||
|
||||
if [[ "$?" -eq 0 ]]; then
|
||||
return 0
|
||||
else
|
||||
if ! grep "DIF program exceeds maximum program size" $err \
|
||||
1> /dev/null 2>&1 ; then
|
||||
echo "failed to enable $prog: `cat $err`"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
#
|
||||
# First, establish an upper bound
|
||||
#
|
||||
let upper=1
|
||||
|
||||
while enable $upper ; do
|
||||
let lower=upper
|
||||
let upper=upper+upper
|
||||
echo success at $lower, raised to $upper
|
||||
done
|
||||
|
||||
#
|
||||
# Now search for the highest value that can be enabled
|
||||
#
|
||||
while [[ "$lower" -lt "$upper" ]]; do
|
||||
let guess=$(((lower + upper) / 2))
|
||||
echo "lower is $lower; upper is $upper; guess is $guess\c"
|
||||
|
||||
if enable $guess ; then
|
||||
if [[ $((upper - lower)) -le 2 ]]; then
|
||||
let upper=guess
|
||||
fi
|
||||
|
||||
echo " (success)"
|
||||
let lower=guess
|
||||
else
|
||||
echo " (failure)"
|
||||
let upper=guess
|
||||
fi
|
||||
done
|
||||
|
||||
let expected=10000
|
||||
|
||||
if [[ "$lower" -lt "$expected" ]]; then
|
||||
echo "expected support for enablings of at least $expected probes; \c"
|
||||
echo "found $lower"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "maximum supported enabled probes found to be $lower"
|
||||
exit 0
|
||||
|
@ -155,7 +155,7 @@
|
||||
int dtrace_destructive_disallow = 0;
|
||||
dtrace_optval_t dtrace_nonroot_maxsize = (16 * 1024 * 1024);
|
||||
size_t dtrace_difo_maxsize = (256 * 1024);
|
||||
dtrace_optval_t dtrace_dof_maxsize = (256 * 1024);
|
||||
dtrace_optval_t dtrace_dof_maxsize = (8 * 1024 * 1024);
|
||||
size_t dtrace_global_maxsize = (16 * 1024);
|
||||
size_t dtrace_actions_max = (16 * 1024);
|
||||
size_t dtrace_retain_max = 1024;
|
||||
|
Loading…
Reference in New Issue
Block a user