|> For some strange reason 2.2.0-final doesn't show me the wchan info any
|> more:
|>
|> mroos@roos:~>ps l
|> FLAGS UID PID PPID PRI NI SIZE RSS WCHAN STA TTY TIME COMMAND
|> 100 557 439 1 0 0 1280 864 S 2 0:00 -bash
|> 100 557 440 1 10 0 1272 848 S 3 0:00 -bash
|> 0 557 517 439 0 0 3312 1344 S 2 0:00 pine linu
|> 100000 557 519 440 12 0 1032 492 R 3 0:00 ps l
|>
|> The System.map is there and has the same date as vmlinuz.
Please try this patch:
--- linux-2.2.0-final/fs/proc/array.c.~2~ Wed Jan 20 18:04:47 1999
+++ linux-2.2.0-final/fs/proc/array.c Mon Jan 25 01:22:58 1999
@@ -511,10 +511,11 @@
extern void scheduling_functions_end_here(void);
#define first_sched ((unsigned long) scheduling_functions_start_here)
#define last_sched ((unsigned long) scheduling_functions_end_here)
+#define real_tsk(tsk) (*(tsk)->tarray_ptr)
static unsigned long get_wchan(struct task_struct *p)
{
- if (!p || p == current || p->state == TASK_RUNNING)
+ if (!p || real_tsk(p) == current || p->state == TASK_RUNNING)
return 0;
#if defined(__i386__)
{
@@ -522,7 +523,7 @@
unsigned long stack_page;
int count = 0;
- stack_page = (unsigned long)p;
+ stack_page = (unsigned long)real_tsk(p);
esp = p->tss.esp;
if (!stack_page || esp < stack_page || esp >= 8188+stack_page)
return 0;
@@ -564,7 +565,7 @@
unsigned long stack_page;
int count = 0;
- stack_page = (unsigned long)p;
+ stack_page = (unsigned long)real_tsk(p);
fp = ((struct switch_stack *)p->tss.ksp)->a6;
do {
if (fp < stack_page+sizeof(struct task_struct) ||
@@ -585,7 +586,7 @@
unsigned long stack_page;
int count = 0;
- stack_page = 4096 + (unsigned long)p;
+ stack_page = 4096 + (unsigned long)real_tsk(p);
fp = get_css_fp (&p->tss);
do {
if (fp < stack_page || fp > 4092+stack_page)
@@ -599,7 +600,7 @@
#elif defined (__sparc__)
{
unsigned long pc, fp, bias = 0;
- unsigned long task_base = (unsigned long) p;
+ unsigned long task_base = (unsigned long) real_tsk(p);
struct reg_window *rw;
int count = 0;
@@ -624,8 +625,8 @@
}
#if defined(__i386__)
-# define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1019])
-# define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1022])
+# define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)real_tsk(tsk)))[1019])
+# define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)real_tsk(tsk)))[1022])
#elif defined(__alpha__)
/*
* See arch/alpha/kernel/ptrace.c for details.
@@ -633,11 +634,11 @@
# define PT_REG(reg) (PAGE_SIZE - sizeof(struct pt_regs) \
+ (long)&((struct pt_regs *)0)->reg)
# define KSTK_EIP(tsk) \
- (*(unsigned long *)(PT_REG(pc) + PAGE_SIZE + (unsigned long)(tsk)))
+ (*(unsigned long *)(PT_REG(pc) + PAGE_SIZE + (unsigned long)real_tsk(tsk)))
# define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->tss.usp)
#elif defined(CONFIG_ARM)
-# define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1022])
-# define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)(tsk)))[1020])
+# define KSTK_EIP(tsk) (((unsigned long *)(4096+(unsigned long)real_tsk(tsk)))[1022])
+# define KSTK_ESP(tsk) (((unsigned long *)(4096+(unsigned long)real_tsk(tsk)))[1020])
#elif defined(__mc68000__)
#define KSTK_EIP(tsk) \
({ \
@@ -646,7 +647,7 @@
MAP_NR((tsk)->tss.esp0) < max_mapnr) \
eip = ((struct pt_regs *) (tsk)->tss.esp0)->pc; \
eip; })
-#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->tss.usp)
+#define KSTK_ESP(tsk) (real_tsk(tsk) == current ? rdusp() : (tsk)->tss.usp)
#elif defined(__powerpc__)
#define KSTK_EIP(tsk) ((tsk)->tss.regs->nip)
#define KSTK_ESP(tsk) ((tsk)->tss.regs->gpr[1])
-- Andreas Schwab "And now for something schwab@issan.cs.uni-dortmund.de completely different" schwab@gnu.org- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/