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Merge "ART profiler"

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This commit is contained in:
Dave Allison 2014-03-07 22:25:35 +00:00 committed by Gerrit Code Review
commit 1649c77ed2
4 changed files with 112 additions and 37 deletions
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67
cmds/installd/commands.c
View File

@ -1,16 +1,16 @@
/*
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
@ -115,6 +115,8 @@ int uninstall(const char *pkgname, userid_t userid)
if (create_pkg_path(pkgdir, pkgname, PKG_DIR_POSTFIX, userid))
return -1;
remove_profile_file(pkgname);
/* delete contents AND directory, no exceptions */
return delete_dir_contents(pkgdir, 1, NULL);
}
@ -557,9 +559,9 @@ int create_cache_path(char path[PKG_PATH_MAX], const char *src)
return -1;
}
dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) +
dstlen = srclen + strlen(DALVIK_CACHE_PREFIX) +
strlen(DALVIK_CACHE_POSTFIX) + 1;
if (dstlen > PKG_PATH_MAX) {
return -1;
}
@ -568,7 +570,7 @@ int create_cache_path(char path[PKG_PATH_MAX], const char *src)
DALVIK_CACHE_PREFIX,
src + 1, /* skip the leading / */
DALVIK_CACHE_POSTFIX);
for(tmp = path + strlen(DALVIK_CACHE_PREFIX); *tmp; tmp++) {
if (*tmp == '/') {
*tmp = '@';
@ -601,7 +603,7 @@ static void run_dexopt(int zip_fd, int odex_fd, const char* input_file_name,
}
static void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name,
const char* output_file_name)
const char* output_file_name, const char *pkgname)
{
char dex2oat_flags[PROPERTY_VALUE_MAX];
property_get("dalvik.vm.dex2oat-flags", dex2oat_flags, "");
@ -613,17 +615,25 @@ static void run_dex2oat(int zip_fd, int oat_fd, const char* input_file_name,
char zip_location_arg[strlen("--zip-location=") + PKG_PATH_MAX];
char oat_fd_arg[strlen("--oat-fd=") + MAX_INT_LEN];
char oat_location_arg[strlen("--oat-name=") + PKG_PATH_MAX];
char profile_file[strlen("--profile-file=") + PKG_PATH_MAX];
sprintf(zip_fd_arg, "--zip-fd=%d", zip_fd);
sprintf(zip_location_arg, "--zip-location=%s", input_file_name);
sprintf(oat_fd_arg, "--oat-fd=%d", oat_fd);
sprintf(oat_location_arg, "--oat-location=%s", output_file_name);
if (strcmp(pkgname, "*") != 0) {
snprintf(profile_file, sizeof(profile_file), "--profile-file=%s/%s",
DALVIK_CACHE_PREFIX "profiles", pkgname);
} else {
strcpy(profile_file, "--no-profile-file");
}
ALOGV("Running %s in=%s out=%s\n", DEX2OAT_BIN, input_file_name, output_file_name);
execl(DEX2OAT_BIN, DEX2OAT_BIN,
zip_fd_arg, zip_location_arg,
oat_fd_arg, oat_location_arg,
strlen(dex2oat_flags) > 0 ? dex2oat_flags : NULL,
profile_file,
(char*) NULL);
ALOGE("execl(%s) failed: %s\n", DEX2OAT_BIN, strerror(errno));
}
@ -654,7 +664,8 @@ static int wait_child(pid_t pid)
}
}
int dexopt(const char *apk_path, uid_t uid, int is_public)
int dexopt(const char *apk_path, uid_t uid, int is_public,
const char *pkgname)
{
struct utimbuf ut;
struct stat apk_stat, dex_stat;
@ -708,6 +719,12 @@ int dexopt(const char *apk_path, uid_t uid, int is_public)
goto fail;
}
// Create profile file if there is a package name present.
if (strcmp(pkgname, "*") != 0) {
create_profile_file(pkgname, uid);
}
ALOGV("DexInv: --- BEGIN '%s' ---\n", apk_path);
pid_t pid;
@ -740,7 +757,7 @@ int dexopt(const char *apk_path, uid_t uid, int is_public)
if (strncmp(persist_sys_dalvik_vm_lib, "libdvm", 6) == 0) {
run_dexopt(zip_fd, out_fd, apk_path, out_path);
} else if (strncmp(persist_sys_dalvik_vm_lib, "libart", 6) == 0) {
run_dex2oat(zip_fd, out_fd, apk_path, out_path);
run_dex2oat(zip_fd, out_fd, apk_path, out_path, pkgname);
} else {
exit(69); /* Unexpected persist.sys.dalvik.vm.lib value */
}
@ -804,12 +821,12 @@ int movefileordir(char* srcpath, char* dstpath, int dstbasepos,
int srcend = strlen(srcpath);
int dstend = strlen(dstpath);
if (lstat(srcpath, statbuf) < 0) {
ALOGW("Unable to stat %s: %s\n", srcpath, strerror(errno));
return 1;
}
if ((statbuf->st_mode&S_IFDIR) == 0) {
mkinnerdirs(dstpath, dstbasepos, S_IRWXU|S_IRWXG|S_IXOTH,
dstuid, dstgid, statbuf);
@ -835,7 +852,7 @@ int movefileordir(char* srcpath, char* dstpath, int dstbasepos,
}
res = 0;
while ((de = readdir(d))) {
const char *name = de->d_name;
/* always skip "." and ".." */
@ -843,32 +860,32 @@ int movefileordir(char* srcpath, char* dstpath, int dstbasepos,
if (name[1] == 0) continue;
if ((name[1] == '.') && (name[2] == 0)) continue;
}
if ((srcend+strlen(name)) >= (PKG_PATH_MAX-2)) {
ALOGW("Source path too long; skipping: %s/%s\n", srcpath, name);
continue;
}
if ((dstend+strlen(name)) >= (PKG_PATH_MAX-2)) {
ALOGW("Destination path too long; skipping: %s/%s\n", dstpath, name);
continue;
}
srcpath[srcend] = dstpath[dstend] = '/';
strcpy(srcpath+srcend+1, name);
strcpy(dstpath+dstend+1, name);
if (movefileordir(srcpath, dstpath, dstbasepos, dstuid, dstgid, statbuf) != 0) {
res = 1;
}
// Note: we will be leaving empty directories behind in srcpath,
// but that is okay, the package manager will be erasing all of the
// data associated with .apks that disappear.
srcpath[srcend] = dstpath[dstend] = 0;
}
closedir(d);
return res;
}
@ -910,7 +927,7 @@ int movefiles()
UPDATE_COMMANDS_DIR_PREFIX, name);
continue;
}
bufp = 0;
bufe = 0;
buf[PKG_PATH_MAX] = 0;

6
cmds/installd/installd.c
View File

@ -38,8 +38,8 @@ static int do_install(char **arg, char reply[REPLY_MAX])
static int do_dexopt(char **arg, char reply[REPLY_MAX])
{
/* apk_path, uid, is_public */
return dexopt(arg[0], atoi(arg[1]), atoi(arg[2]));
/* apk_path, uid, is_public, pkgname */
return dexopt(arg[0], atoi(arg[1]), atoi(arg[2]), arg[3]);
}
static int do_move_dex(char **arg, char reply[REPLY_MAX])
@ -138,7 +138,7 @@ struct cmdinfo {
struct cmdinfo cmds[] = {
{ "ping", 0, do_ping },
{ "install", 4, do_install },
{ "dexopt", 3, do_dexopt },
{ "dexopt", 4, do_dexopt },
{ "movedex", 2, do_move_dex },
{ "rmdex", 1, do_rm_dex },
{ "remove", 2, do_remove },

4
cmds/installd/installd.h
View File

@ -189,6 +189,8 @@ char *build_string3(char *s1, char *s2, char *s3);
int ensure_dir(const char* path, mode_t mode, uid_t uid, gid_t gid);
int ensure_media_user_dirs(userid_t userid);
int create_profile_file(const char *pkgname, gid_t gid);
void remove_profile_file(const char *pkgname);
/* commands.c */
@ -207,7 +209,7 @@ int get_size(const char *pkgname, userid_t userid, const char *apkpath, const ch
const char *fwdlock_apkpath, const char *asecpath, int64_t *codesize,
int64_t *datasize, int64_t *cachesize, int64_t *asecsize);
int free_cache(int64_t free_size);
int dexopt(const char *apk_path, uid_t uid, int is_public);
int dexopt(const char *apk_path, uid_t uid, int is_public, const char *pkgName);
int movefiles();
int linklib(const char* target, const char* source, int userId);
int idmap(const char *target_path, const char *overlay_path, uid_t uid);

72
cmds/installd/utils.c
View File

@ -1,16 +1,16 @@
/*
** Copyright 2008, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
@ -1005,3 +1005,59 @@ int ensure_media_user_dirs(userid_t userid) {
return 0;
}
int create_profile_file(const char *pkgname, gid_t gid) {
const char *profile_dir = DALVIK_CACHE_PREFIX "profiles";
struct stat profileStat;
char profile_file[PKG_PATH_MAX];
// If we don't have a profile directory under dalvik-cache we need to create one.
if (stat(profile_dir, &profileStat) < 0) {
// Create the profile directory under dalvik-cache.
if (mkdir(profile_dir, 0711) < 0) {
ALOGE("cannot make profile dir '%s': %s\n", profile_dir, strerror(errno));
return -1;
}
// Make the profile directory write-only for group and other. Owner can rwx it.
if (chmod(profile_dir, 0711) < 0) {
ALOGE("cannot chown profile dir '%s': %s\n", profile_dir, strerror(errno));
unlink(profile_dir);
return -1;
}
}
snprintf(profile_file, sizeof(profile_file), "%s/%s", profile_dir, pkgname);
// The 'system' user needs to be able to read the profile to determine if dex2oat
// needs to be run. This is done in dalvik.system.DexFile.isDexOptNeededInternal(). So
// we make it world readable. Not a problem since the dalvik cache is world
// readable anyway.
int fd = open(profile_file, O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW, 0664);
// Open will fail if the file already exists. We want to ignore that.
if (fd >= 0) {
if (fchown(fd, -1, gid) < 0) {
ALOGE("cannot chown profile file '%s': %s\n", profile_file, strerror(errno));
close(fd);
unlink(profile_file);
return -1;
}
if (fchmod(fd, 0664) < 0) {
ALOGE("cannot chmod profile file '%s': %s\n", profile_file, strerror(errno));
close(fd);
unlink(profile_file);
return -1;
}
close(fd);
}
return 0;
}
void remove_profile_file(const char *pkgname) {
char profile_file[PKG_PATH_MAX];
snprintf(profile_file, sizeof(profile_file), "%s/%s", DALVIK_CACHE_PREFIX "profiles", pkgname);
unlink(profile_file);
}