int cmd_buildid_cache(int argc, const char **argv)
{
struct strlist *list;
struct str_node *pos;
int ret = 0;
int ns_id = -1;
bool force = false;
char const *add_name_list_str = NULL,
*remove_name_list_str = NULL,
*purge_name_list_str = NULL,
*missing_filename = NULL,
*update_name_list_str = NULL,
*kcore_filename = NULL;
char sbuf[STRERR_BUFSIZE];
struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
struct perf_session *session = NULL;
struct nsinfo *nsi = NULL;
const struct option buildid_cache_options[] = {
OPT_STRING('a', "add", &add_name_list_str,
"file list", "file(s) to add"),
OPT_STRING('k', "kcore", &kcore_filename,
"file", "kcore file to add"),
OPT_STRING('r', "remove", &remove_name_list_str, "file list",
"file(s) to remove"),
OPT_STRING('p', "purge", &purge_name_list_str, "path list",
"path(s) to remove (remove old caches too)"),
OPT_STRING('M', "missing", &missing_filename, "file",
"to find missing build ids in the cache"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_STRING('u', "update", &update_name_list_str, "file list",
"file(s) to update"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"),
OPT_END()
};
const char * const buildid_cache_usage[] = {
"perf buildid-cache [<options>]",
NULL
};
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);
if (argc || (!add_name_list_str && !kcore_filename &&
!remove_name_list_str && !purge_name_list_str &&
!missing_filename && !update_name_list_str))
usage_with_options(buildid_cache_usage, buildid_cache_options);
if (ns_id > 0)
nsi = nsinfo__new(ns_id);
if (missing_filename) {
data.file.path = missing_filename;
data.force = force;
session = perf_session__new(&data, false, NULL);
if (session == NULL)
return -1;
}
if (symbol__init(session ? &session->header.env : NULL) < 0)
goto out;
setup_pager();
if (add_name_list_str) {
list = strlist__new(add_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
if (build_id_cache__add_file(pos->s, nsi)) {
if (errno == EEXIST) {
pr_debug("%s already in the cache\n",
pos->s);
continue;
}
pr_warning("Couldn't add %s: %s\n",
pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));
}
strlist__delete(list);
}
}
if (remove_name_list_str) {
list = strlist__new(remove_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
if (build_id_cache__remove_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
continue;
}
pr_warning("Couldn't remove %s: %s\n",
pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));
}
strlist__delete(list);
}
}
if (purge_name_list_str) {
list = strlist__new(purge_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
if (build_id_cache__purge_path(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
continue;
}
pr_warning("Couldn't remove %s: %s\n",
pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));
}
strlist__delete(list);
}
}
if (missing_filename)
ret = build_id_cache__fprintf_missing(session, stdout);
if (update_name_list_str) {
list = strlist__new(update_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
if (build_id_cache__update_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
continue;
}
pr_warning("Couldn't update %s: %s\n",
pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));
}
strlist__delete(list);
}
}
if (kcore_filename && build_id_cache__add_kcore(kcore_filename, force))
pr_warning("Couldn't add %s\n", kcore_filename);
out:
perf_session__delete(session);
nsinfo__zput(nsi);
return ret;
}
int kvm_cmd_run(int argc, const char **argv, const char *prefix)
{
struct virtio_net_parameters net_params;
static char real_cmdline[2048];
struct framebuffer *fb = NULL;
unsigned int nr_online_cpus;
int exit_code = 0;
int max_cpus;
char *hi;
int i;
void *ret;
signal(SIGALRM, handle_sigalrm);
signal(SIGQUIT, handle_sigquit);
signal(SIGUSR1, handle_sigusr1);
signal(SIGUSR2, handle_sigusr2);
nr_online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
while (argc != 0) {
argc = parse_options(argc, argv, options, run_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (argc != 0) {
if (kernel_filename) {
fprintf(stderr, "Cannot handle parameter: "
"%s\n", argv[0]);
usage_with_options(run_usage, options);
return EINVAL;
}
/* first unhandled parameter is treated as a kernel
image
*/
kernel_filename = argv[0];
argv++;
argc--;
}
}
if (!kernel_filename)
kernel_filename = find_kernel();
if (!kernel_filename) {
kernel_usage_with_options();
return EINVAL;
}
vmlinux_filename = find_vmlinux();
if (nrcpus == 0)
nrcpus = nr_online_cpus;
else if (nrcpus < 1 || nrcpus > KVM_NR_CPUS)
die("Number of CPUs %d is out of [1;%d] range", nrcpus, KVM_NR_CPUS);
if (!ram_size)
ram_size = get_ram_size(nrcpus);
if (ram_size < MIN_RAM_SIZE_MB)
die("Not enough memory specified: %lluMB (min %lluMB)", ram_size, MIN_RAM_SIZE_MB);
if (ram_size > host_ram_size())
pr_warning("Guest memory size %lluMB exceeds host physical RAM size %lluMB", ram_size, host_ram_size());
ram_size <<= MB_SHIFT;
if (!kvm_dev)
kvm_dev = DEFAULT_KVM_DEV;
if (!console)
console = DEFAULT_CONSOLE;
if (!strncmp(console, "virtio", 6))
active_console = CONSOLE_VIRTIO;
else
active_console = CONSOLE_8250;
if (!host_ip_addr)
host_ip_addr = DEFAULT_HOST_ADDR;
if (!guest_mac)
guest_mac = DEFAULT_GUEST_MAC;
if (!script)
script = DEFAULT_SCRIPT;
if (virtio_9p_dir) {
char tmp[PATH_MAX];
if (realpath(virtio_9p_dir, tmp))
virtio_9p__init(kvm, tmp);
else
die("Failed resolving 9p path");
}
symbol__init(vmlinux_filename);
term_init();
kvm = kvm__init(kvm_dev, ram_size);
ioeventfd__init();
max_cpus = kvm__max_cpus(kvm);
if (nrcpus > max_cpus) {
printf(" # Limit the number of CPUs to %d\n", max_cpus);
kvm->nrcpus = max_cpus;
}
kvm->nrcpus = nrcpus;
/*
* vidmode should be either specified
* either set by default
*/
if (vnc || sdl) {
if (vidmode == -1)
vidmode = 0x312;
} else
vidmode = 0;
memset(real_cmdline, 0, sizeof(real_cmdline));
strcpy(real_cmdline, "notsc noapic noacpi pci=conf1");
if (vnc || sdl) {
strcat(real_cmdline, " video=vesafb console=tty0");
} else
strcat(real_cmdline, " console=ttyS0 earlyprintk=serial");
strcat(real_cmdline, " ");
if (kernel_cmdline)
strlcat(real_cmdline, kernel_cmdline, sizeof(real_cmdline));
hi = NULL;
if (!image_filename[0]) {
hi = host_image(real_cmdline, sizeof(real_cmdline));
if (hi) {
image_filename[0] = hi;
readonly_image[0] = true;
image_count++;
}
}
if (!strstr(real_cmdline, "root="))
strlcat(real_cmdline, " root=/dev/vda rw ", sizeof(real_cmdline));
if (image_count) {
kvm->nr_disks = image_count;
kvm->disks = disk_image__open_all(image_filename, readonly_image, image_count);
if (!kvm->disks)
die("Unable to load all disk images.");
virtio_blk__init_all(kvm);
}
free(hi);
printf(" # kvm run -k %s -m %Lu -c %d\n", kernel_filename, ram_size / 1024 / 1024, nrcpus);
if (!kvm__load_kernel(kvm, kernel_filename, initrd_filename,
real_cmdline, vidmode))
die("unable to load kernel %s", kernel_filename);
kvm->vmlinux = vmlinux_filename;
ioport__setup_legacy();
rtc__init();
serial8250__init(kvm);
pci__init();
if (active_console == CONSOLE_VIRTIO)
virtio_console__init(kvm);
if (virtio_rng)
while (virtio_rng--)
virtio_rng__init(kvm);
if (!network)
network = DEFAULT_NETWORK;
if (!strncmp(network, "virtio", 6)) {
net_params = (struct virtio_net_parameters) {
.host_ip = host_ip_addr,
.kvm = kvm,
.script = script
};
sscanf(guest_mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
net_params.guest_mac,
net_params.guest_mac+1,
net_params.guest_mac+2,
net_params.guest_mac+3,
net_params.guest_mac+4,
net_params.guest_mac+5);
virtio_net__init(&net_params);
}
