Merged a few bug fixes from the HEAD.

kernel/sysctl/.cvsignore

@@ -0,0 +1 @@
+*.flags

kernel/sysctl/Makefile

@@ -0,0 +1,22 @@
+#
+# Makefile for the LibGTop linux sysctl interface.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+# Note 2! The CFLAGS definition is now in the main makefile...
+
+O_TARGET := kernel.o
+ifeq ($(CONFIG_LIBGTOP),y)
+O_OJBS   := main.o libgtop.o
+else
+O_OBJS   := main.o
+endif
+OX_OBJS  := libgtop_syms.o
+
+ifeq ($(CONFIG_LIBGTOP),m)
+M_OBJS   := libgtop.o
+endif
+
+include $(TOPDIR)/Rules.make

kernel/sysctl/libgtop.h

@@ -0,0 +1,242 @@
+#ifndef _LINUX_LIBGTOP_H
+#define _LINUX_LIBGTOP_H 1
+
+#include <linux/tasks.h>
+
+enum {
+    LIBGTOP_VERSION = 1,
+    LIBGTOP_UPDATE_EXPENSIVE,
+    LIBGTOP_STAT = 101,
+    LIBGTOP_MEM,
+    LIBGTOP_SWAP,
+    LIBGTOP_PROCLIST = 201,
+    LIBGTOP_PROC_STATE = 211,
+    LIBGTOP_PROC_KERNEL,
+    LIBGTOP_PROC_SEGMENT,
+    LIBGTOP_PROC_MEM,
+    LIBGTOP_PROC_SIGNAL,
+    LIBGTOP_PROC_ARGS = 251,
+    LIBGTOP_PROC_MAPS,
+    LIBGTOP_NETLOAD = 301
+};
+
+enum {
+    LIBGTOP_PROCLIST_ALL = 0,
+    LIBGTOP_PROCLIST_PID,
+    LIBGTOP_PROCLIST_PGRP,
+    LIBGTOP_PROCLIST_SESSION,
+    LIBGTOP_PROCLIST_TTY,
+    LIBGTOP_PROCLIST_UID,
+    LIBGTOP_PROCLIST_RUID
+};
+
+#define LIBGTOP_NSIG			4
+
+#define LIBGTOP_PROCLIST_MASK		15
+#define LIBGTOP_MAX_GROUPS		32
+
+#define LIBGTOP_EXCLUDE_IDLE		0x1000
+#define LIBGTOP_EXCLUDE_SYSTEM		0x2000
+#define LIBGTOP_EXCLUDE_NOTTY		0x4000
+
+#define LIBGTOP_TASK_RUNNING		1
+#define LIBGTOP_TASK_INTERRUPTIBLE	2
+#define LIBGTOP_TASK_UNINTERRUPTIBLE	4
+#define LIBGTOP_TASK_ZOMBIE		8
+#define LIBGTOP_TASK_STOPPED		16
+#define LIBGTOP_TASK_SWAPPING		32
+
+#define LIBGTOP_VM_READ		0x0001	/* currently active flags */
+#define LIBGTOP_VM_WRITE	0x0002
+#define LIBGTOP_VM_EXEC		0x0004
+#define LIBGTOP_VM_SHARED	0x0008
+
+#define LIBGTOP_VM_MAYREAD	0x0010	/* limits for mprotect() etc */
+#define LIBGTOP_VM_MAYWRITE	0x0020
+#define LIBGTOP_VM_MAYEXEC	0x0040
+#define LIBGTOP_VM_MAYSHARE	0x0080
+
+#define LIBGTOP_VM_GROWSDOWN	0x0100	/* general info on the segment */
+#define LIBGTOP_VM_GROWSUP	0x0200
+#define LIBGTOP_VM_SHM		0x0400	/* shared memory area, don't swap out */
+#define LIBGTOP_VM_DENYWRITE	0x0800	/* ETXTBSY on write attempts.. */
+
+#define LIBGTOP_VM_EXECUTABLE	0x1000
+#define LIBGTOP_VM_LOCKED	0x2000
+#define LIBGTOP_VM_IO		0x4000  /* Memory mapped I/O or similar */
+
+#define LIBGTOP_MAP_PATH_LEN	(PAGE_SIZE - sizeof (libgtop_proc_maps_header_t))
+
+#ifndef min
+#define min(a,b) ((a < b) ? a : b)
+#endif
+
+typedef struct libgtop_stat libgtop_stat_t;
+
+typedef struct libgtop_cpu libgtop_cpu_t;
+typedef struct libgtop_mem libgtop_mem_t;
+typedef struct libgtop_swap libgtop_swap_t;
+typedef struct libgtop_proclist libgtop_proclist_t;
+
+typedef struct libgtop_proc_state libgtop_proc_state_t;
+typedef struct libgtop_proc_kernel libgtop_proc_kernel_t;
+typedef struct libgtop_proc_segment libgtop_proc_segment_t;
+typedef struct libgtop_proc_mem libgtop_proc_mem_t;
+typedef struct libgtop_proc_signal libgtop_proc_signal_t;
+
+typedef struct libgtop_proc_maps_header libgtop_proc_maps_header_t;
+typedef struct libgtop_proc_maps libgtop_proc_maps_t;
+
+typedef struct libgtop_netload libgtop_netload_t;
+
+struct libgtop_cpu
+{
+    unsigned long total;		/* Total CPU Time		*/
+    unsigned long user;			/* CPU Time in User Mode	*/
+    unsigned long nice;			/* CPU Time in User Mode (nice)	*/
+    unsigned long sys;			/* CPU Time in System Mode	*/
+    unsigned long idle;			/* CPU Time in the Idle Task	*/
+};
+
+struct libgtop_mem
+{
+    unsigned long totalram;		/* Total usable main memory size */
+    unsigned long freeram;		/* Available memory size */
+    unsigned long sharedram;		/* Amount of shared memory */
+    unsigned long bufferram;		/* Memory used by buffers */
+    unsigned long cachedram;
+};
+
+struct libgtop_swap
+{
+    unsigned long totalswap;		/* Total swap space size */
+    unsigned long freeswap;		/* swap space still available */
+};
+
+struct libgtop_proclist
+{
+    int count;
+    int nr_running, nr_tasks, last_pid;
+    unsigned pids [NR_TASKS];
+};
+
+struct libgtop_stat
+{
+    int ncpu;				/* Number of CPUs		*/
+    unsigned long frequency;		/* Tick frequency (HZ)		*/
+    libgtop_cpu_t cpu;			/* CPU statistics		*/
+    libgtop_cpu_t xcpu [NR_CPUS];	/* SMP per-CPU statistics	*/
+    double loadavg [3];			/* Load average			*/
+    unsigned long total_forks;		/* Total # of forks		*/
+    unsigned int context_swtch;		/* Total # of context switches	*/
+    unsigned long boot_time;		/* Boot time (seconds s. epoch)	*/
+    unsigned int pgpgin, pgpgout;	/* # of pages paged in/out	*/
+    unsigned int pswpin, pswpout;	/* # of swap pgs brought in/out	*/
+};
+
+struct libgtop_proc_state
+{
+    long state;
+    unsigned long flags;
+    char comm [16];
+    int uid, euid, suid, fsuid;
+    int gid, egid, sgid, fsgid;
+    int pid, pgrp, ppid;
+    int session;
+    unsigned int tty;
+    int tpgid;
+    long priority, counter, def_priority;
+    long utime, stime, cutime, cstime, start_time;
+    long per_cpu_utime [NR_CPUS], per_cpu_stime [NR_CPUS];
+    int has_cpu, processor, last_processor;
+
+    unsigned long context;
+    unsigned long start_code, end_code, start_data, end_data;
+    unsigned long start_brk, brk, start_stack, start_mmap;
+    unsigned long arg_start, arg_end, env_start, env_end;
+    unsigned long rss, rlim, total_vm, locked_vm;
+
+    unsigned long policy, rt_priority;
+    unsigned long it_real_value, it_prof_value, it_virt_value;
+    unsigned long it_real_incr, it_prof_incr, it_virt_incr;
+
+    unsigned long keip, kesp;
+    unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
+    unsigned long nswap, cnswap;
+
+    int ngroups, groups [LIBGTOP_MAX_GROUPS];
+};
+
+struct libgtop_proc_kernel
+{
+    unsigned long wchan;
+};
+
+struct libgtop_proc_segment
+{
+    unsigned long vsize, data, exec, stack, lib;
+};
+
+struct libgtop_proc_mem
+{
+    libgtop_proc_segment_t segment;
+    int size, resident, share, trs, lrs, drs, dt;
+    unsigned long rss, rlim;
+};
+
+struct libgtop_proc_signal
+{
+    unsigned long signal [LIBGTOP_NSIG];
+    unsigned long blocked [LIBGTOP_NSIG];
+    unsigned long ignore [LIBGTOP_NSIG];
+    unsigned long catch [LIBGTOP_NSIG];
+};
+
+struct libgtop_proc_maps_header
+{
+    unsigned long start, end, offset, perm;
+    off_t filename_offset;
+    ino_t inode;
+    dev_t device;
+} __attribute__ ((aligned (64)));
+
+struct libgtop_proc_maps
+{
+    libgtop_proc_maps_header_t header;
+    char filename [LIBGTOP_MAP_PATH_LEN];
+};
+
+struct libgtop_netload
+{
+    unsigned long rx_packets;		/* total packets received	*/
+    unsigned long tx_packets;		/* total packets transmitted	*/
+    unsigned long rx_bytes;		/* total bytes received 	*/
+    unsigned long tx_bytes;		/* total bytes transmitted	*/
+    unsigned long rx_errors;		/* bad packets received		*/
+    unsigned long tx_errors;		/* packet transmit problems	*/
+    unsigned long rx_dropped;		/* no space in linux buffers	*/
+    unsigned long tx_dropped;		/* no space available in linux	*/
+    unsigned long multicast;		/* multicast packets received	*/
+    unsigned long collisions;
+    
+    /* detailed rx_errors: */
+    unsigned long rx_length_errors;
+    unsigned long rx_over_errors;	/* receiver ring buff overflow	*/
+    unsigned long rx_crc_errors;	/* recved pkt with crc error	*/
+    unsigned long rx_frame_errors;	/* recv'd frame alignment error */
+    unsigned long rx_fifo_errors;	/* recv'r fifo overrun		*/
+    unsigned long rx_missed_errors;	/* receiver missed packet	*/
+    
+    /* detailed tx_errors */
+    unsigned long tx_aborted_errors;
+    unsigned long tx_carrier_errors;
+    unsigned long tx_fifo_errors;
+    unsigned long tx_heartbeat_errors;
+    unsigned long tx_window_errors;
+    
+    /* for cslip etc */
+    unsigned long rx_compressed;
+    unsigned long tx_compressed;
+};
+
+#endif

kernel/sysctl/libgtop_syms.c

@@ -0,0 +1,30 @@
+/*
+ * linux/libgtop/libgtop_syms.c
+ * Copyright (C) 1999 Martin Baulig
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/sched.h>
+
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+#include <linux/swap.h>
+
+extern unsigned long total_forks;
+
+EXPORT_SYMBOL(task);
+EXPORT_SYMBOL(init_mm);
+EXPORT_SYMBOL(pidhash);
+EXPORT_SYMBOL(avenrun);
+EXPORT_SYMBOL(nr_running);
+EXPORT_SYMBOL(nr_tasks);
+EXPORT_SYMBOL(last_pid);
+EXPORT_SYMBOL(total_forks);
+EXPORT_SYMBOL(si_swapinfo);
+
+extern void scheduling_functions_start_here(void);
+extern void scheduling_functions_end_here(void);
+EXPORT_SYMBOL(scheduling_functions_start_here);
+EXPORT_SYMBOL(scheduling_functions_end_here);

kernel/sysctl/main.c

@@ -0,0 +1,4 @@
+/*
+ * linux/libgtop/main.c
+ * Copyright (C) 1999 Martin Baulig
+ */

kernel/sysctl/patch-2.2.1

@@ -0,0 +1,81 @@
+diff -ru linux-2.2.1/Makefile hacker/Makefile
+--- linux-2.2.1/Makefile	Sun Jan 31 22:45:42 1999
++++ hacker/Makefile	Sun Mar 21 16:10:41 1999
+@@ -109,6 +109,7 @@
+ DRIVERS		=drivers/block/block.a \
+ 		 drivers/char/char.a \
+ 	         drivers/misc/misc.a
++EXTRAS		=
+ LIBS		=$(TOPDIR)/lib/lib.a
+ SUBDIRS		=kernel drivers mm fs net ipc lib
+ 
+@@ -186,6 +187,11 @@
+ DRIVERS := $(DRIVERS) drivers/net/irda/irda_drivers.a
+ endif
+ 
++ifdef CONFIG_LIBGTOP
++SUBDIRS := $(SUBDIRS) libgtop
++EXTRAS  := $(EXTRAS) libgtop/kernel.o
++endif
++
+ include arch/$(ARCH)/Makefile
+ 
+ .S.s:
+@@ -206,6 +212,7 @@
+ 		$(FILESYSTEMS) \
+ 		$(NETWORKS) \
+ 		$(DRIVERS) \
++		$(EXTRAS) \
+ 		$(LIBS) \
+ 		--end-group \
+ 		-o vmlinux
+diff -ru linux-2.2.1/arch/i386/config.in hacker/arch/i386/config.in
+--- linux-2.2.1/arch/i386/config.in	Sun Jan 31 22:25:25 1999
++++ hacker/arch/i386/config.in	Sat Mar 20 18:26:18 1999
+@@ -84,6 +84,9 @@
+ bool 'System V IPC' CONFIG_SYSVIPC
+ bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT
+ bool 'Sysctl support' CONFIG_SYSCTL
++if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
++  tristate 'LibGTop support' CONFIG_LIBGTOP
++fi
+ tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
+ tristate 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+ tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
+diff -ru linux-2.2.1/include/linux/sysctl.h hacker/include/linux/sysctl.h
+--- linux-2.2.1/include/linux/sysctl.h	Sun Jan 31 22:24:14 1999
++++ hacker/include/linux/sysctl.h	Sat Mar 20 19:12:54 1999
+@@ -56,7 +56,8 @@
+ 	CTL_PROC=4,		/* Process info */
+ 	CTL_FS=5,		/* Filesystems */
+ 	CTL_DEBUG=6,		/* Debugging */
+-	CTL_DEV=7		/* Devices */
++	CTL_DEV=7,		/* Devices */
++	CTL_LIBGTOP=408		/* LibGTop */
+ };
+ 
+ 
+diff -ru linux-2.2.1/kernel/sysctl.c hacker/kernel/sysctl.c
+--- linux-2.2.1/kernel/sysctl.c	Sun Jan 31 22:24:43 1999
++++ hacker/kernel/sysctl.c	Sat Mar 20 19:24:34 1999
+@@ -82,7 +82,9 @@
+ static ctl_table fs_table[];
+ static ctl_table debug_table[];
+ static ctl_table dev_table[];
+-
++#ifdef CONFIG_LIBGTOP
++extern ctl_table libgtop_table[];
++#endif
+ 
+ /* /proc declarations: */
+ 
+@@ -148,6 +150,9 @@
+ 	{CTL_FS, "fs", NULL, 0, 0555, fs_table},
+ 	{CTL_DEBUG, "debug", NULL, 0, 0555, debug_table},
+         {CTL_DEV, "dev", NULL, 0, 0555, dev_table},
++#ifdef CONFIG_LIBGTOP
++	{CTL_LIBGTOP, "libgtop", NULL, 0, 0555, libgtop_table},
++#endif
+ 	{0}
+ };
+