diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/coverity-model.c | 6 | ||||
| -rwxr-xr-x | scripts/kvm/kvm_stat | 5 | ||||
| -rw-r--r-- | scripts/kvm/kvm_stat.texi | 55 | ||||
| -rw-r--r-- | scripts/make_device_config.sh | 18 | ||||
| -rwxr-xr-x | scripts/qmp/qom-tree | 70 |
5 files changed, 142 insertions, 12 deletions
diff --git a/scripts/coverity-model.c b/scripts/coverity-model.c index 58356afa66..cdda2591d9 100644 --- a/scripts/coverity-model.c +++ b/scripts/coverity-model.c @@ -123,7 +123,7 @@ void *g_malloc_n(size_t nmemb, size_t size) __coverity_negative_sink__(nmemb); __coverity_negative_sink__(size); sz = nmemb * size; - ptr = __coverity_alloc__(size); + ptr = __coverity_alloc__(sz); __coverity_mark_as_uninitialized_buffer__(ptr); __coverity_mark_as_afm_allocated__(ptr, "g_free"); return ptr; @@ -137,7 +137,7 @@ void *g_malloc0_n(size_t nmemb, size_t size) __coverity_negative_sink__(nmemb); __coverity_negative_sink__(size); sz = nmemb * size; - ptr = __coverity_alloc__(size); + ptr = __coverity_alloc__(sz); __coverity_writeall0__(ptr); __coverity_mark_as_afm_allocated__(ptr, "g_free"); return ptr; @@ -151,7 +151,7 @@ void *g_realloc_n(void *ptr, size_t nmemb, size_t size) __coverity_negative_sink__(size); sz = nmemb * size; __coverity_escape__(ptr); - ptr = __coverity_alloc__(size); + ptr = __coverity_alloc__(sz); /* * Memory beyond the old size isn't actually initialized. Can't * model that. See Coverity's realloc() model diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index c65cabda5a..7e5d25612b 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -519,7 +519,10 @@ def tui(screen, stats): def refresh(sleeptime): screen.erase() screen.addstr(0, 0, 'kvm statistics') - row = 2 + screen.addstr(2, 1, 'Event') + screen.addstr(2, 1 + label_width + number_width - len('Total'), 'Total') + screen.addstr(2, 1 + label_width + number_width + 8 - len('Current'), 'Current') + row = 3 s = stats.get() def sortkey(x): if s[x][1]: diff --git a/scripts/kvm/kvm_stat.texi b/scripts/kvm/kvm_stat.texi new file mode 100644 index 0000000000..6ce00d80e7 --- /dev/null +++ b/scripts/kvm/kvm_stat.texi @@ -0,0 +1,55 @@ +@example +@c man begin SYNOPSIS +usage: kvm_stat [OPTION]... +@c man end +@end example + +@c man begin DESCRIPTION + +kvm_stat prints counts of KVM kernel module trace events. These events signify +state transitions such as guest mode entry and exit. + +This tool is useful for observing guest behavior from the host perspective. +Often conclusions about performance or buggy behavior can be drawn from the +output. + +The set of KVM kernel module trace events may be specific to the kernel version +or architecture. It is best to check the KVM kernel module source code for the +meaning of events. + +Note that trace events are counted globally across all running guests. + +@c man end + +@c man begin OPTIONS +@table @option +@item -1, --once, --batch + run in batch mode for one second +@item -l, --log + run in logging mode (like vmstat) +@item -t, --tracepoints + retrieve statistics from tracepoints +@item -d, --debugfs + retrieve statistics from debugfs +@item -f, --fields=@var{fields} + fields to display (regex) +@item -h, --help + show help message +@end table + +@c man end + +@ignore + +@setfilename kvm_stat +@settitle Report KVM kernel module event counters. + +@c man begin AUTHOR +Stefan Hajnoczi <stefanha@redhat.com> +@c man end + +@c man begin SEEALSO +perf(1), trace-cmd(1) +@c man end + +@end ignore diff --git a/scripts/make_device_config.sh b/scripts/make_device_config.sh index 7958086132..c1afb3ffaa 100644 --- a/scripts/make_device_config.sh +++ b/scripts/make_device_config.sh @@ -1,10 +1,12 @@ #! /bin/sh -# Construct a target device config file from a default, pulling in any -# files from include directives. +# Writes a target device config file to stdout, from a default and from +# include directives therein. Also emits Makefile dependencies. +# +# Usage: make_device_config.sh SRC DEPFILE-NAME DEPFILE-TARGET > DEST -dest=$1 -dep=`dirname $1`-`basename $1`.d -src=$2 +src=$1 +dep=$2 +target=$3 src_dir=`dirname $src` all_includes= @@ -22,7 +24,7 @@ while [ -n "$f" ] ; do [ $? = 0 ] || exit 1 all_includes="$all_includes $f" done -process_includes $src > $dest +process_includes $src -cat $src $all_includes | grep -v '^include' > $dest -echo "$1: $all_includes" > $dep +cat $src $all_includes | grep -v '^include' +echo "$target: $all_includes" > $dep diff --git a/scripts/qmp/qom-tree b/scripts/qmp/qom-tree new file mode 100755 index 0000000000..aea11d4b1a --- /dev/null +++ b/scripts/qmp/qom-tree @@ -0,0 +1,70 @@ +#!/usr/bin/python +## +# QEMU Object Model test tools +# +# Copyright IBM, Corp. 2011 +# Copyright (c) 2013 SUSE LINUX Products GmbH +# +# Authors: +# Anthony Liguori <aliguori@amazon.com> +# Andreas Faerber <afaerber@suse.de> +# +# This work is licensed under the terms of the GNU GPL, version 2 or later. See +# the COPYING file in the top-level directory. +## + +import sys +import os +from qmp import QEMUMonitorProtocol + +cmd, args = sys.argv[0], sys.argv[1:] +socket_path = None +path = None +prop = None + +def usage(): + return '''environment variables: + QMP_SOCKET=<path | addr:port> +usage: + %s [-h] [-s <QMP socket path | addr:port>] [<path>] +''' % cmd + +def usage_error(error_msg = "unspecified error"): + sys.stderr.write('%s\nERROR: %s\n' % (usage(), error_msg)) + exit(1) + +if len(args) > 0: + if args[0] == "-h": + print usage() + exit(0); + elif args[0] == "-s": + try: + socket_path = args[1] + except: + usage_error("missing argument: QMP socket path or address"); + args = args[2:] + +if not socket_path: + if os.environ.has_key('QMP_SOCKET'): + socket_path = os.environ['QMP_SOCKET'] + else: + usage_error("no QMP socket path or address given"); + +srv = QEMUMonitorProtocol(socket_path) +srv.connect() + +def list_node(path): + print '%s' % path + items = srv.command('qom-list', path=path) + for item in items: + if not item['type'].startswith('child<'): + try: + print ' %s: %s (%s)' % (item['name'], srv.command('qom-get', path=path, property=item['name']), item['type']) + except: + print ' %s: <EXCEPTION> (%s)' % (item['name'], item['type']) + print '' + for item in items: + if item['type'].startswith('child<'): + list_node(path + '/' + item['name']) + +list_node('/machine') |