Index: user/pho/stress2/misc/contigmalloc.sh =================================================================== --- user/pho/stress2/misc/contigmalloc.sh (revision 330838) +++ user/pho/stress2/misc/contigmalloc.sh (revision 330839) @@ -1,253 +1,256 @@ #!/bin/sh # # Copyright (c) 2014 EMC Corp. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. 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. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. # # $FreeBSD$ # # contigmalloc(9) / contigfree(9) test scenario. # malloc() a random number of buffers with random size and then free them. # A malloc pattern might look like this: # contigmalloc(186 pages) # contigmalloc(56 pages) # contigmalloc(9 pages) # contigmalloc(202 pages) # contigmalloc(49 pages) # contigmalloc(5 pages) # "panic: vm_reserv_alloc_contig: reserv 0xff... isn't free" seen. # http://people.freebsd.org/~pho/stress/log/contigmalloc.txt # Fixed by r271351. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 [ -d /usr/src/sys ] || exit 0 +builddir=`sysctl kern.version | grep @ | sed 's/.*://'` +[ -d "$builddir" ] && export KERNBUILDDIR=$builddir || exit 0 +export SYSDIR=`echo $builddir | sed 's#/sys.*#/sys#'` . ../default.cfg odir=`pwd` dir=/tmp/contigmalloc rm -rf $dir; mkdir -p $dir cat > $dir/ctest.c < #include #include #include #include #include #include #define min(a,b) (((a)<(b))?(a):(b)) #define CAP (64 * 1024 * 1024) /* Total allocation */ #define MAXBUF (32 * 1024 * 1024) /* Max buffer size */ #define N 512 /* Max allocations */ #define RUNTIME 120 #define TALLOC 1 #define TFREE 2 void *p[N]; long size[N]; int n; void test(int argc, char *argv[]) { long mw, s; int i, no, ps, res; if (argc == 3) { no = atoi(argv[1]); mw = atol(argv[2]); } if (argc != 3 || no == 0 || mw == 0) errx(1, "Usage: %s ", argv[0]); ps = getpagesize(); s = 0; n = arc4random() % N + 1; mw = mw / 100 * 10 * ps; /* Use 10% of vm.max_wired */ mw = min(mw, CAP); for (i = 0; i < n; i++) { size[i] = round_page((arc4random() % MAXBUF) + 1); if (s + size[i] > mw) continue; res = syscall(no, TALLOC, &p[i], &size[i]); if (res == -1) { warn("contigmalloc(%lu pages) failed at loop %d", size[i] / ps, i); } else { #if defined(TEST) fprintf(stderr, "contigmalloc(%lu pages)\n", size[i] / ps); #endif s += size[i]; } } setproctitle("%ld Mb", s / 1024 / 1024); for (i = 0; i < n; i++) { if (p[i] != NULL) { res = syscall(no, TFREE, &p[i], &size[i]); #if defined(TEST) fprintf(stderr, "contigfree(%lu pages)\n", size[i] / ps); #endif p[i] = NULL; } } } int main(int argc, char *argv[]) { time_t start; start = time(NULL); while (time(NULL) - start < RUNTIME) test(argc, argv); return (0); } EOF mycc -o /tmp/ctest -Wall -Wextra -O0 -g $dir/ctest.c || exit 1 rm $dir/ctest.c cd $dir cat > Makefile < EOF sed '1,/^EOF2/d' < $odir/$0 > cmalloc.c make || exit 1 kldload $dir/cmalloc.ko || exit 1 cd $odir mw=`sysctl -n vm.max_wired` || exit 1 /tmp/ctest `sysctl -n debug.cmalloc_offset` $mw 2>&1 | tail -5 kldunload $dir/cmalloc.ko rm -rf $dir /tmp/ctest exit 0 EOF2 #include #include #include #include #include #include #include #include #include #define TALLOC 1 #define TFREE 2 /* * Hook up a syscall for contigmalloc testing. */ struct cmalloc_args { int a_op; void *a_ptr; void *a_size; }; static int cmalloc(struct thread *td, struct cmalloc_args *uap) { void *p; unsigned long size; int error; error = copyin(uap->a_size, &size, sizeof(size)); if (error != 0) { return (error); } switch (uap->a_op) { case TFREE: error = copyin(uap->a_ptr, &p, sizeof(p)); if (error == 0) { if (p != NULL) contigfree(p, size, M_TEMP); } return (error); case TALLOC: p = contigmalloc(size, M_TEMP, M_NOWAIT, 0ul, ~0ul, 4096, 0); if (p != NULL) { error = copyout(&p, uap->a_ptr, sizeof(p)); return (error); } return (ENOMEM); } return (EINVAL); } /* * The sysent for the new syscall */ static struct sysent cmalloc_sysent = { 3, /* sy_narg */ (sy_call_t *) cmalloc /* sy_call */ }; /* * The offset in sysent where the syscall is allocated. */ static int cmalloc_offset = NO_SYSCALL; SYSCTL_INT(_debug, OID_AUTO, cmalloc_offset, CTLFLAG_RD, &cmalloc_offset, 0, "cmalloc syscall number"); /* * The function called at load/unload. */ static int cmalloc_load(struct module *module, int cmd, void *arg) { int error = 0; switch (cmd) { case MOD_LOAD : break; case MOD_UNLOAD : break; default : error = EOPNOTSUPP; break; } return (error); } SYSCALL_MODULE(cmalloc_syscall, &cmalloc_offset, &cmalloc_sysent, cmalloc_load, NULL); Index: user/pho/stress2/misc/contigmalloc2.sh =================================================================== --- user/pho/stress2/misc/contigmalloc2.sh (revision 330838) +++ user/pho/stress2/misc/contigmalloc2.sh (revision 330839) @@ -1,222 +1,225 @@ #!/bin/sh # # Copyright (c) 2015 EMC Corp. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. 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. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. # # $FreeBSD$ # # contigmalloc(9) / contigfree(9) test scenario. # Regression test for allocations >= 2 GiB. # "panic: vm_page_insert_after: mpred doesn't precede pindex" seen. # Fixed by r284207. [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 [ -d /usr/src/sys ] || exit 0 +builddir=`sysctl kern.version | grep @ | sed 's/.*://'` +[ -d "$builddir" ] && export KERNBUILDDIR=$builddir || exit 0 +export SYSDIR=`echo $builddir | sed 's#/sys.*#/sys#'` . ../default.cfg odir=`pwd` dir=/tmp/contigmalloc rm -rf $dir; mkdir -p $dir cat > $dir/ctest2.c < #include #include #include #include #include #include #define TALLOC 1 #define TFREE 2 void *p; long size; int n; void test(int argc, char *argv[]) { long mw; int no, ps, res; if (argc == 3) { no = atoi(argv[1]); mw = atol(argv[2]); } if (argc != 3 || no == 0 || mw == 0) errx(1, "Usage: %s ", argv[0]); ps = getpagesize(); size = mw / 100 * 80 * ps; /* Use 80% of vm.max_wired */ while (size > 0) { res = syscall(no, TALLOC, &p, &size); if (res == -1) { if (errno != ENOMEM) warn("contigmalloc(%lu pages) failed", size); } else { #if defined(TEST) fprintf(stderr, "pre contigmalloc(%lu pages): %lu MiB\n", size, size * ps / 1024 / 1024); #endif res = syscall(no, TFREE, &p, &size); #if defined(TEST) fprintf(stderr, "contigfree(%lu pages)\n", size); #endif } size /= 2; } } int main(int argc, char *argv[]) { test(argc, argv); return (0); } EOF mycc -o /tmp/ctest2 -Wall -Wextra -O0 -g $dir/ctest2.c || exit 1 rm $dir/ctest2.c cd $dir cat > Makefile < EOF sed '1,/^EOF2/d' < $odir/$0 > cmalloc2.c make depend all || exit 1 kldload $dir/cmalloc2.ko || exit 1 cd $odir mw=$((`sysctl -n vm.max_wired` - `sysctl -n vm.stats.vm.v_wire_count`)) || exit 1 /tmp/ctest2 `sysctl -n debug.cmalloc_offset` $mw #2>&1 | tail -5 kldunload $dir/cmalloc2.ko rm -rf $dir /tmp/ctest2 exit 0 EOF2 #include #include #include #include #include #include #include #include #include #define TALLOC 1 #define TFREE 2 /* * Hook up a syscall for contigmalloc testing. */ struct cmalloc_args { int a_op; void *a_ptr; void *a_size; }; static int cmalloc(struct thread *td, struct cmalloc_args *uap) { void *p; unsigned long size; int error; error = copyin(uap->a_size, &size, sizeof(size)); if (error != 0) { return (error); } switch (uap->a_op) { case TFREE: error = copyin(uap->a_ptr, &p, sizeof(p)); if (error == 0) { if (p != NULL) contigfree(p, size, M_TEMP); } return (error); case TALLOC: p = contigmalloc(size, M_TEMP, M_NOWAIT, 0ul, ~0ul, 4096, 0); if (p != NULL) { error = copyout(&p, uap->a_ptr, sizeof(p)); return (error); } return (ENOMEM); } return (EINVAL); } /* * The sysent for the new syscall */ static struct sysent cmalloc_sysent = { 3, /* sy_narg */ (sy_call_t *) cmalloc /* sy_call */ }; /* * The offset in sysent where the syscall is allocated. */ static int cmalloc_offset = NO_SYSCALL; SYSCTL_INT(_debug, OID_AUTO, cmalloc_offset, CTLFLAG_RD, &cmalloc_offset, 0, "cmalloc syscall number"); /* * The function called at load/unload. */ static int cmalloc_load(struct module *module, int cmd, void *arg) { int error = 0; switch (cmd) { case MOD_LOAD : break; case MOD_UNLOAD : break; default : error = EOPNOTSUPP; break; } return (error); } SYSCALL_MODULE(cmalloc_syscall, &cmalloc_offset, &cmalloc_sysent, cmalloc_load, NULL); Index: user/pho/stress2/misc/contigmalloc3.sh =================================================================== --- user/pho/stress2/misc/contigmalloc3.sh (nonexistent) +++ user/pho/stress2/misc/contigmalloc3.sh (revision 330839) @@ -0,0 +1,223 @@ +#!/bin/sh + +# +# Copyright (c) 2014 EMC Corp. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. 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. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. +# +# $FreeBSD$ +# + +# contigmalloc(9) / contigfree(9) test scenario. +# Test allocation with 1GB + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 +[ -d /usr/src/sys ] || exit 0 +builddir=`sysctl kern.version | grep @ | sed 's/.*://'` +[ -d "$builddir" ] && export KERNBUILDDIR=$builddir || exit 0 +export SYSDIR=`echo $builddir | sed 's#/sys.*#/sys#'` + +. ../default.cfg + +odir=`pwd` +dir=/tmp/contigmalloc +rm -rf $dir; mkdir -p $dir +cat > $dir/ctest.c < +#include + +#include +#include +#include +#include +#include + +#define MAXBUF (1LL * 1024 * 1024 * 1024) /* Max buffer size */ +#define TALLOC 1 +#define TFREE 2 + +void +test(int argc, char *argv[]) +{ + long mw, size; + int i, no, ps, res; + char *cp; + + if (argc == 3) { + no = atoi(argv[1]); + mw = atol(argv[2]); + } + if (argc != 3 || no == 0 || mw == 0) + errx(1, "Usage: %s ", argv[0]); + + ps = getpagesize(); + if (mw < MAXBUF / ps) { + fprintf(stderr, "max_wired too small for this test\n"); + exit (0); + } + i = 0; + size = round_page(MAXBUF); + res = syscall(no, TALLOC, &cp, &size); + if (res == -1) { + err(1, "contigmalloc(%lu MB) failed", + size / 1024 / 1024); + } else { +#if defined(TEST) + fprintf(stderr, "contigmalloc(%lu pages) %luMB\n", + size / ps, size / 1024 / 1024); +#endif + } + + res = syscall(no, TFREE, &cp, &size); +#if defined(TEST) + fprintf(stderr, "contigfree(%lu pages) %luMB\n", + size / ps, size / 1024 / 1024); +#endif +} + +int +main(int argc, char *argv[]) +{ + + test(argc, argv); + + return (0); +} + +EOF +mycc -o /tmp/ctest -Wall -Wextra -O0 -g $dir/ctest.c || exit 1 +rm $dir/ctest.c + +cd $dir +cat > Makefile < +EOF + +sed '1,/^EOF2/d' < $odir/$0 > cmalloc.c +make || exit 1 +kldload $dir/cmalloc.ko || exit 1 + +cd $odir +mw=`sysctl -n vm.max_wired` || exit 1 +/tmp/ctest `sysctl -n debug.cmalloc_offset` $mw 2>&1 | tail -5 +kldunload $dir/cmalloc.ko +rm -rf $dir /tmp/ctest +exit 0 + +EOF2 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define TALLOC 1 +#define TFREE 2 + +/* + * Hook up a syscall for contigmalloc testing. + */ + +struct cmalloc_args { + int a_op; + void *a_ptr; + void *a_size; +}; + +static int +cmalloc(struct thread *td, struct cmalloc_args *uap) +{ + void *p; + unsigned long size; + int error; + + error = copyin(uap->a_size, &size, sizeof(size)); + if (error != 0) { + return (error); + } + switch (uap->a_op) { + case TFREE: + error = copyin(uap->a_ptr, &p, sizeof(p)); + if (error == 0) { + if (p != NULL) + contigfree(p, size, M_TEMP); + } + return (error); + + case TALLOC: + p = contigmalloc(size, M_TEMP, M_NOWAIT, 0ul, ~0ul, 4096, 0); + if (p != NULL) { + error = copyout(&p, uap->a_ptr, sizeof(p)); + return (error); + } + return (ENOMEM); + } + return (EINVAL); +} + +/* + * The sysent for the new syscall + */ +static struct sysent cmalloc_sysent = { + 3, /* sy_narg */ + (sy_call_t *) cmalloc /* sy_call */ +}; + +/* + * The offset in sysent where the syscall is allocated. + */ +static int cmalloc_offset = NO_SYSCALL; + +SYSCTL_INT(_debug, OID_AUTO, cmalloc_offset, CTLFLAG_RD, &cmalloc_offset, 0, + "cmalloc syscall number"); + +/* + * The function called at load/unload. + */ + +static int +cmalloc_load(struct module *module, int cmd, void *arg) +{ + int error = 0; + + switch (cmd) { + case MOD_LOAD : + break; + case MOD_UNLOAD : + break; + default : + error = EOPNOTSUPP; + break; + } + return (error); +} + +SYSCALL_MODULE(cmalloc_syscall, &cmalloc_offset, &cmalloc_sysent, + cmalloc_load, NULL); Property changes on: user/pho/stress2/misc/contigmalloc3.sh ___________________________________________________________________ Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property