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6995781: Native Memory Tracking (Phase 1)

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7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
This commit is contained in:
Zhengyu Gu 2012-06-28 17:03:16 -04:00
parent 8e42425c92
commit a39b17624a
315 changed files with 7245 additions and 1477 deletions
Download patch file Download diff file Expand all files Collapse all files

66
hotspot/src/os/bsd/vm/perfMemory_bsd.cpp
View file

@ -126,7 +126,7 @@ static void save_memory_to_file(char* addr, size_t size) {
}
}
}
FREE_C_HEAP_ARRAY(char, destfile);
FREE_C_HEAP_ARRAY(char, destfile, mtInternal);
}
@ -153,7 +153,7 @@ static char* get_user_tmp_dir(const char* user) {
const char* tmpdir = os::get_temp_directory();
const char* perfdir = PERFDATA_NAME;
size_t nbytes = strlen(tmpdir) + strlen(perfdir) + strlen(user) + 3;
char* dirname = NEW_C_HEAP_ARRAY(char, nbytes);
char* dirname = NEW_C_HEAP_ARRAY(char, nbytes, mtInternal);
// construct the path name to user specific tmp directory
snprintf(dirname, nbytes, "%s/%s_%s", tmpdir, perfdir, user);
@ -246,7 +246,7 @@ static char* get_user_name(uid_t uid) {
if (bufsize == -1)
bufsize = 1024;
char* pwbuf = NEW_C_HEAP_ARRAY(char, bufsize);
char* pwbuf = NEW_C_HEAP_ARRAY(char, bufsize, mtInternal);
// POSIX interface to getpwuid_r is used on LINUX
struct passwd* p;
@ -278,14 +278,14 @@ static char* get_user_name(uid_t uid) {
"pw_name zero length");
}
}
FREE_C_HEAP_ARRAY(char, pwbuf);
FREE_C_HEAP_ARRAY(char, pwbuf, mtInternal);
return NULL;
}
char* user_name = NEW_C_HEAP_ARRAY(char, strlen(p->pw_name) + 1);
char* user_name = NEW_C_HEAP_ARRAY(char, strlen(p->pw_name) + 1, mtInternal);
strcpy(user_name, p->pw_name);
FREE_C_HEAP_ARRAY(char, pwbuf);
FREE_C_HEAP_ARRAY(char, pwbuf, mtInternal);
return user_name;
}
@ -328,7 +328,7 @@ static char* get_user_name_slow(int vmid, TRAPS) {
// to determine the user name for the process id.
//
struct dirent* dentry;
char* tdbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(tmpdirname));
char* tdbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(tmpdirname), mtInternal);
errno = 0;
while ((dentry = os::readdir(tmpdirp, (struct dirent *)tdbuf)) != NULL) {
@ -338,7 +338,7 @@ static char* get_user_name_slow(int vmid, TRAPS) {
}
char* usrdir_name = NEW_C_HEAP_ARRAY(char,
strlen(tmpdirname) + strlen(dentry->d_name) + 2);
strlen(tmpdirname) + strlen(dentry->d_name) + 2, mtInternal);
strcpy(usrdir_name, tmpdirname);
strcat(usrdir_name, "/");
strcat(usrdir_name, dentry->d_name);
@ -346,7 +346,7 @@ static char* get_user_name_slow(int vmid, TRAPS) {
DIR* subdirp = os::opendir(usrdir_name);
if (subdirp == NULL) {
FREE_C_HEAP_ARRAY(char, usrdir_name);
FREE_C_HEAP_ARRAY(char, usrdir_name, mtInternal);
continue;
}
@ -357,13 +357,13 @@ static char* get_user_name_slow(int vmid, TRAPS) {
// symlink can be exploited.
//
if (!is_directory_secure(usrdir_name)) {
FREE_C_HEAP_ARRAY(char, usrdir_name);
FREE_C_HEAP_ARRAY(char, usrdir_name, mtInternal);
os::closedir(subdirp);
continue;
}
struct dirent* udentry;
char* udbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(usrdir_name));
char* udbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(usrdir_name), mtInternal);
errno = 0;
while ((udentry = os::readdir(subdirp, (struct dirent *)udbuf)) != NULL) {
@ -372,7 +372,7 @@ static char* get_user_name_slow(int vmid, TRAPS) {
int result;
char* filename = NEW_C_HEAP_ARRAY(char,
strlen(usrdir_name) + strlen(udentry->d_name) + 2);
strlen(usrdir_name) + strlen(udentry->d_name) + 2, mtInternal);
strcpy(filename, usrdir_name);
strcat(filename, "/");
@ -381,13 +381,13 @@ static char* get_user_name_slow(int vmid, TRAPS) {
// don't follow symbolic links for the file
RESTARTABLE(::lstat(filename, &statbuf), result);
if (result == OS_ERR) {
FREE_C_HEAP_ARRAY(char, filename);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
continue;
}
// skip over files that are not regular files.
if (!S_ISREG(statbuf.st_mode)) {
FREE_C_HEAP_ARRAY(char, filename);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
continue;
}
@ -397,23 +397,23 @@ static char* get_user_name_slow(int vmid, TRAPS) {
if (statbuf.st_ctime > oldest_ctime) {
char* user = strchr(dentry->d_name, '_') + 1;
if (oldest_user != NULL) FREE_C_HEAP_ARRAY(char, oldest_user);
oldest_user = NEW_C_HEAP_ARRAY(char, strlen(user)+1);
if (oldest_user != NULL) FREE_C_HEAP_ARRAY(char, oldest_user, mtInternal);
oldest_user = NEW_C_HEAP_ARRAY(char, strlen(user)+1, mtInternal);
strcpy(oldest_user, user);
oldest_ctime = statbuf.st_ctime;
}
}
FREE_C_HEAP_ARRAY(char, filename);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
}
}
os::closedir(subdirp);
FREE_C_HEAP_ARRAY(char, udbuf);
FREE_C_HEAP_ARRAY(char, usrdir_name);
FREE_C_HEAP_ARRAY(char, udbuf, mtInternal);
FREE_C_HEAP_ARRAY(char, usrdir_name, mtInternal);
}
os::closedir(tmpdirp);
FREE_C_HEAP_ARRAY(char, tdbuf);
FREE_C_HEAP_ARRAY(char, tdbuf, mtInternal);
return(oldest_user);
}
@ -434,7 +434,7 @@ static char* get_sharedmem_filename(const char* dirname, int vmid) {
// add 2 for the file separator and a null terminator.
size_t nbytes = strlen(dirname) + UINT_CHARS + 2;
char* name = NEW_C_HEAP_ARRAY(char, nbytes);
char* name = NEW_C_HEAP_ARRAY(char, nbytes, mtInternal);
snprintf(name, nbytes, "%s/%d", dirname, vmid);
return name;
@ -472,7 +472,7 @@ static void remove_file(const char* path) {
static void remove_file(const char* dirname, const char* filename) {
size_t nbytes = strlen(dirname) + strlen(filename) + 2;
char* path = NEW_C_HEAP_ARRAY(char, nbytes);
char* path = NEW_C_HEAP_ARRAY(char, nbytes, mtInternal);
strcpy(path, dirname);
strcat(path, "/");
@ -480,7 +480,7 @@ static void remove_file(const char* dirname, const char* filename) {
remove_file(path);
FREE_C_HEAP_ARRAY(char, path);
FREE_C_HEAP_ARRAY(char, path, mtInternal);
}
@ -517,7 +517,7 @@ static void cleanup_sharedmem_resources(const char* dirname) {
// opendir/readdir.
//
struct dirent* entry;
char* dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(dirname));
char* dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(dirname), mtInternal);
errno = 0;
while ((entry = os::readdir(dirp, (struct dirent *)dbuf)) != NULL) {
@ -556,7 +556,7 @@ static void cleanup_sharedmem_resources(const char* dirname) {
errno = 0;
}
os::closedir(dirp);
FREE_C_HEAP_ARRAY(char, dbuf);
FREE_C_HEAP_ARRAY(char, dbuf, mtInternal);
}
// make the user specific temporary directory. Returns true if
@ -723,11 +723,11 @@ static char* mmap_create_shared(size_t size) {
fd = create_sharedmem_resources(dirname, filename, size);
FREE_C_HEAP_ARRAY(char, user_name);
FREE_C_HEAP_ARRAY(char, dirname);
FREE_C_HEAP_ARRAY(char, user_name, mtInternal);
FREE_C_HEAP_ARRAY(char, dirname, mtInternal);
if (fd == -1) {
FREE_C_HEAP_ARRAY(char, filename);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
return NULL;
}
@ -743,7 +743,7 @@ static char* mmap_create_shared(size_t size) {
warning("mmap failed - %s\n", strerror(errno));
}
remove_file(filename);
FREE_C_HEAP_ARRAY(char, filename);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
return NULL;
}
@ -869,7 +869,7 @@ static void mmap_attach_shared(const char* user, int vmid, PerfMemory::PerfMemor
// store file, we don't follow them when attaching either.
//
if (!is_directory_secure(dirname)) {
FREE_C_HEAP_ARRAY(char, dirname);
FREE_C_HEAP_ARRAY(char, dirname, mtInternal);
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
"Process not found");
}
@ -884,9 +884,9 @@ static void mmap_attach_shared(const char* user, int vmid, PerfMemory::PerfMemor
strcpy(rfilename, filename);
// free the c heap resources that are no longer needed
if (luser != user) FREE_C_HEAP_ARRAY(char, luser);
FREE_C_HEAP_ARRAY(char, dirname);
FREE_C_HEAP_ARRAY(char, filename);
if (luser != user) FREE_C_HEAP_ARRAY(char, luser, mtInternal);
FREE_C_HEAP_ARRAY(char, dirname, mtInternal);
FREE_C_HEAP_ARRAY(char, filename, mtInternal);
// open the shared memory file for the give vmid
fd = open_sharedmem_file(rfilename, file_flags, CHECK);