Function report |
Source Code:kernel\watchdog.c |
Create Date:2022-07-28 11:45:31 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:mmon function for watchdog, nmi_watchdog and soft_watchdog parameter* caller | table->data points to | 'which'* -------------------|----------------------------|--------------------------* proc_watchdog | watchdog_user_enabled | NMI_WATCHDOG_ENABLED |* |
Proto:static int proc_watchdog_common(int which, struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
int | which | |
struct ctl_table * | table | |
int | write | |
void __user * | buffer | |
size_t * | lenp | |
loff_t * | ppos |
687 | mutex_lock( & watchdog_mutex) |
689 | If Not write Then |
694 | param = (watchdog_enabled & which) != 0 |
696 | Else |
699 | If Not err && old != READ_ONCE( * param) Then Propagate any changes to the watchdog threads |
703 | Return err |
Name | Describe |
---|---|
proc_watchdog | /proc/sys/kernel/watchdog |
proc_nmi_watchdog | /proc/sys/kernel/nmi_watchdog |
proc_soft_watchdog | /proc/sys/kernel/soft_watchdog |
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