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[PATCH] Print number of oopses in Sysrq-P output [message #9726]

Thu, 18 January 2007 16:58

adobriyan
Messages: 80
Registered: November 2006

Member

From: Pavel Emelianov <xemul@openvz.org>

Useful in deciding whether said output should be ignored
in absence of other info. :)

Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
---

arch/i386/kernel/process.c | 4 +++-
arch/i386/kernel/traps.c | 2 +-
arch/x86_64/kernel/process.c | 6 ++++--
arch/x86_64/kernel/traps.c | 3 ++-
4 files changed, 10 insertions(+), 5 deletions(-)

--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -292,9 +292,11 @@ __setup("idle=", idle_setup);
void show_regs(struct pt_regs * regs)
{
unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;
+ extern int die_counter;

printk("\n");
- printk("Pid: %d, comm: %20s\n", current->pid, current->comm);
+ printk("Pid: %d, comm: %20s, oopses: %d\n",
+ current->pid, current->comm, die_counter);
printk("EIP: %04x:[<%08lx>] CPU: %d\n",0xffff & regs->xcs,regs->eip, smp_processor_id());
print_symbol("EIP is at %s\n", regs->eip);

--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -366,6 +366,7 @@ int is_valid_bugaddr(unsigned long eip)
return ud2 == 0x0b0f;
}

+int die_counter = 0;
/*
* This is gone through when something in the kernel has done something bad and
* is about to be terminated.
@@ -381,7 +382,6 @@ void die(const char * str, struct pt_reg
.lock_owner = -1,
.lock_owner_depth = 0
};
- static int die_counter;
unsigned long flags;

oops_enter();
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -305,14 +305,16 @@ void __show_regs(struct pt_regs * regs)
unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs;
unsigned int fsindex,gsindex;
unsigned int ds,cs,es;
+ extern int die_counter;

printk("\n");
print_modules();
- printk("Pid: %d, comm: %.20s %s %s %.*s\n",
+ printk("Pid: %d, comm: %.20s %s %s %.*s oopses: %d\n",
current->pid, current->comm, print_tainted(),
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
- init_utsname()->version);
+ init_utsname()->version,
+ die_counter);
printk("RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->rip);
printk_address(regs->rip);
printk("RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss, regs->rsp,
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -519,9 +519,10 @@ void __kprobes oops_end(unsigned long fl
oops_exit();
}

+int die_counter = 0;
+
void __kprobes __die(const char * str, struct pt_regs * regs, long err)
{
- static int die_counter;
printk(KERN_EMERG "%s: %04lx [%u] ", str, err & 0xffff,++die_counter);
#ifdef CONFIG_PREEMPT
printk("PREEMPT ");

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[Message index]

		[PATCH] Print number of oopses in Sysrq-P output By: adobriyan on Thu, 18 January 2007 16:58
		Re: [PATCH] Print number of oopses in Sysrq-P output By: Andi Kleen on Thu, 18 January 2007 23:19
		Re: [PATCH] Print number of oopses in Sysrq-P output By: Erik Mouw on Thu, 18 January 2007 17:46
		Re: [PATCH] Print number of oopses in Sysrq-P output By: dev on Fri, 19 January 2007 11:25

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