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Add platform files, move getmem to node::OS class.

v0.7.4-release
Ryan Dahl 15 years ago
parent
964ed9739b
commit
01a8d270cf
7 changed files with 244 additions and 207 deletions
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  1. 208
      src/node.cc
  2. 13
      src/platform.h
  3. 29
      src/platform_darwin.cc
  4. 45
      src/platform_freebsd.cc
  5. 91
      src/platform_linux.cc
  6. 52
      src/platform_sunos.cc
  7. 13
      wscript

208
src/node.cc
View File

@ -17,6 +17,8 @@
#include <pwd.h> /* getpwnam() */
#include <grp.h> /* getgrnam() */
#include "platform.h"
#include <node_buffer.h>
#include <node_io_watcher.h>
#include <node_net.h>
@ -1232,218 +1234,20 @@ v8::Handle<v8::Value> Exit(const v8::Arguments& args) {
return Undefined();
}
#ifdef __sun
#define HAVE_GETMEM 1
#include <unistd.h> /* getpagesize() */
#if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64)
#define PROCFS_FILE_OFFSET_BITS_HACK 1
#undef _FILE_OFFSET_BITS
#else
#define PROCFS_FILE_OFFSET_BITS_HACK 0
#endif
#include <procfs.h>
#if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1)
#define _FILE_OFFSET_BITS 64
#endif
int getmem(size_t *rss, size_t *vsize) {
pid_t pid = getpid();
size_t page_size = getpagesize();
char pidpath[1024];
sprintf(pidpath, "/proc/%d/psinfo", pid);
psinfo_t psinfo;
FILE *f = fopen(pidpath, "r");
if (!f) return -1;
if (fread(&psinfo, sizeof(psinfo_t), 1, f) != 1) {
fclose (f);
return -1;
}
/* XXX correct? */
*vsize = (size_t) psinfo.pr_size * page_size;
*rss = (size_t) psinfo.pr_rssize * 1024;
fclose (f);
return 0;
}
#endif
#ifdef __FreeBSD__
#define HAVE_GETMEM 1
#include <kvm.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <paths.h>
#include <fcntl.h>
#include <unistd.h>
int getmem(size_t *rss, size_t *vsize) {
kvm_t *kd = NULL;
struct kinfo_proc *kinfo = NULL;
pid_t pid;
int nprocs;
size_t page_size = getpagesize();
pid = getpid();
kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
if (kd == NULL) goto error;
kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
if (kinfo == NULL) goto error;
*rss = kinfo->ki_rssize * page_size;
*vsize = kinfo->ki_size;
kvm_close(kd);
return 0;
error:
if (kd) kvm_close(kd);
return -1;
}
#endif // __FreeBSD__
#ifdef __APPLE__
#define HAVE_GETMEM 1
/* Researched by Tim Becker and Michael Knight
* http://blog.kuriositaet.de/?p=257
*/
#include <mach/task.h>
#include <mach/mach_init.h>
int getmem(size_t *rss, size_t *vsize) {
struct task_basic_info t_info;
mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
int r = task_info(mach_task_self(),
TASK_BASIC_INFO,
(task_info_t)&t_info,
&t_info_count);
if (r != KERN_SUCCESS) return -1;
*rss = t_info.resident_size;
*vsize = t_info.virtual_size;
return 0;
}
#endif // __APPLE__
#ifdef __linux__
# define HAVE_GETMEM 1
# include <sys/param.h> /* for MAXPATHLEN */
int getmem(size_t *rss, size_t *vsize) {
FILE *f = fopen("/proc/self/stat", "r");
if (!f) return -1;
int itmp;
char ctmp;
char buffer[MAXPATHLEN];
size_t page_size = getpagesize();
/* PID */
if (fscanf(f, "%d ", &itmp) == 0) goto error;
/* Exec file */
if (fscanf (f, "%s ", &buffer[0]) == 0) goto error;
/* State */
if (fscanf (f, "%c ", &ctmp) == 0) goto error;
/* Parent process */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Process group */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Session id */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* TTY */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* TTY owner process group */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Flags */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Minor faults (no memory page) */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Minor faults, children */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Major faults (memory page faults) */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Major faults, children */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* utime */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* stime */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* utime, children */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* stime, children */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* jiffies remaining in current time slice */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* 'nice' value */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* jiffies until next timeout */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* jiffies until next SIGALRM */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* start time (jiffies since system boot) */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Virtual memory size */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
*vsize = (size_t) itmp;
/* Resident set size */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
*rss = (size_t) itmp * page_size;
/* rlim */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Start of text */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* End of text */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Start of stack */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
fclose (f);
return 0;
error:
fclose (f);
return -1;
}
#endif // __linux__
static void CheckStatus(EV_P_ ev_timer *watcher, int revents) {
assert(watcher == &gc_timer);
assert(revents == EV_TIMEOUT);
#if HAVE_GETMEM
// check memory
size_t rss, vsize;
if (!ev_is_active(&gc_idle) && getmem(&rss, &vsize) == 0) {
if (!ev_is_active(&gc_idle) && OS::GetMemory(&rss, &vsize) == 0) {
if (rss > 1024*1024*128) {
// larger than 128 megs, just start the idle watcher
ev_idle_start(EV_A_ &gc_idle);
return;
}
}
#endif // HAVE_GETMEM
double d = ev_now(EV_DEFAULT_UC) - TICK_TIME(3);
@ -1460,12 +1264,9 @@ v8::Handle<v8::Value> MemoryUsage(const v8::Arguments& args) {
HandleScope scope;
assert(args.Length() == 0);
#ifndef HAVE_GETMEM
return ThrowException(Exception::Error(String::New("Not support on your platform. (Talk to Ryan.)")));
#else
size_t rss, vsize;
int r = getmem(&rss, &vsize);
int r = OS::GetMemory(&rss, &vsize);
if (r != 0) {
return ThrowException(Exception::Error(String::New(strerror(errno))));
@ -1492,7 +1293,6 @@ v8::Handle<v8::Value> MemoryUsage(const v8::Arguments& args) {
Integer::NewFromUnsigned(v8_heap_stats.used_heap_size()));
return scope.Close(info);
#endif
}

13
src/platform.h
View File

@ -0,0 +1,13 @@
#ifndef NODE_PLATFORM_H_
#define NODE_PLATFORM_H_
namespace node {
class OS {
public:
static int GetMemory(size_t *rss, size_t *vsize);
};
} // namespace node
#endif // NODE_PLATFORM_H_

29
src/platform_darwin.cc
View File

@ -0,0 +1,29 @@
#include "node.h"
#include "platform.h"
#include <mach/task.h>
#include <mach/mach_init.h>
namespace node {
// Researched by Tim Becker and Michael Knight
// http://blog.kuriositaet.de/?p=257
int OS::GetMemory(size_t *rss, size_t *vsize) {
struct task_basic_info t_info;
mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
int r = task_info(mach_task_self(),
TASK_BASIC_INFO,
(task_info_t)&t_info,
&t_info_count);
if (r != KERN_SUCCESS) return -1;
*rss = t_info.resident_size;
*vsize = t_info.virtual_size;
return 0;
}
} // namespace node

45
src/platform_freebsd.cc
View File

@ -0,0 +1,45 @@
#include "node.h"
#include "platform.h"
#include <kvm.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <paths.h>
#include <fcntl.h>
#include <unistd.h>
namespace node {
int OS::GetMemory(size_t *rss, size_t *vsize) {
kvm_t *kd = NULL;
struct kinfo_proc *kinfo = NULL;
pid_t pid;
int nprocs;
size_t page_size = getpagesize();
pid = getpid();
kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
if (kd == NULL) goto error;
kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
if (kinfo == NULL) goto error;
*rss = kinfo->ki_rssize * page_size;
*vsize = kinfo->ki_size;
kvm_close(kd);
return 0;
error:
if (kd) kvm_close(kd);
return -1;
}
} // namespace node

91
src/platform_linux.cc
View File

@ -0,0 +1,91 @@
#include "node.h"
#include "platform.h"
# include <sys/param.h> /* for MAXPATHLEN */
namespace node {
int OS::GetMemory(size_t *rss, size_t *vsize) {
FILE *f = fopen("/proc/self/stat", "r");
if (!f) return -1;
int itmp;
char ctmp;
char buffer[MAXPATHLEN];
size_t page_size = getpagesize();
/* PID */
if (fscanf(f, "%d ", &itmp) == 0) goto error;
/* Exec file */
if (fscanf (f, "%s ", &buffer[0]) == 0) goto error;
/* State */
if (fscanf (f, "%c ", &ctmp) == 0) goto error;
/* Parent process */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Process group */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Session id */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* TTY */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* TTY owner process group */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Flags */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Minor faults (no memory page) */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Minor faults, children */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Major faults (memory page faults) */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Major faults, children */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* utime */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* stime */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* utime, children */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* stime, children */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* jiffies remaining in current time slice */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* 'nice' value */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* jiffies until next timeout */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* jiffies until next SIGALRM */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* start time (jiffies since system boot) */
if (fscanf (f, "%d ", &itmp) == 0) goto error;
/* Virtual memory size */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
*vsize = (size_t) itmp;
/* Resident set size */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
*rss = (size_t) itmp * page_size;
/* rlim */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Start of text */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* End of text */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
/* Start of stack */
if (fscanf (f, "%u ", &itmp) == 0) goto error;
fclose (f);
return 0;
error:
fclose (f);
return -1;
}
} // namespace node

52
src/platform_sunos.cc
View File

@ -0,0 +1,52 @@
#include "node.h"
#include "platform.h"
#include <unistd.h> /* getpagesize() */
#if (!defined(_LP64)) && (_FILE_OFFSET_BITS - 0 == 64)
#define PROCFS_FILE_OFFSET_BITS_HACK 1
#undef _FILE_OFFSET_BITS
#else
#define PROCFS_FILE_OFFSET_BITS_HACK 0
#endif
#include <procfs.h>
#if (PROCFS_FILE_OFFSET_BITS_HACK - 0 == 1)
#define _FILE_OFFSET_BITS 64
#endif
namespace node {
int OS::GetMemory(size_t *rss, size_t *vsize) {
pid_t pid = getpid();
size_t page_size = getpagesize();
char pidpath[1024];
sprintf(pidpath, "/proc/%d/psinfo", pid);
psinfo_t psinfo;
FILE *f = fopen(pidpath, "r");
if (!f) return -1;
if (fread(&psinfo, sizeof(psinfo_t), 1, f) != 1) {
fclose (f);
return -1;
}
/* XXX correct? */
*vsize = (size_t) psinfo.pr_size * page_size;
*rss = (size_t) psinfo.pr_rssize * 1024;
fclose (f);
return 0;
}
} // namespace node

13
wscript
View File

@ -16,7 +16,6 @@ srcdir = '.'
blddir = 'build'
jobs=1
if os.environ.has_key('JOBS'):
jobs = int(os.environ['JOBS'])
@ -278,7 +277,7 @@ def configure(conf):
conf.env.append_value('CXXFLAGS', '-DHAVE_FDATASYNC=0')
# platform
platform_def = '-DPLATFORM=' + sys.platform
platform_def = '-DPLATFORM=' + conf.env['DEST_OS']
conf.env.append_value('CCFLAGS', platform_def)
conf.env.append_value('CXXFLAGS', platform_def)
@ -468,7 +467,15 @@ def build(bld):
src/node_timer.cc
src/node_script.cc
"""
if bld.env["USE_OPENSSL"]: node.source += "src/node_crypto.cc"
platform_file = "src/platform_%s.cc" % bld.env['DEST_OS']
if os.path.exists(join(cwd, platform_file)):
node.source += platform_file
else:
node.source += "src/platform_none.cc "
if bld.env["USE_OPENSSL"]: node.source += " src/node_crypto.cc "
node.includes = """
src/

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