diff options
Diffstat (limited to 'module/spl/spl-proc.c')
| -rw-r--r-- | module/spl/spl-proc.c | 160 |
1 files changed, 128 insertions, 32 deletions
diff --git a/module/spl/spl-proc.c b/module/spl/spl-proc.c index bf185c60e..024118a9f 100644 --- a/module/spl/spl-proc.c +++ b/module/spl/spl-proc.c @@ -60,6 +60,7 @@ struct proc_dir_entry *proc_spl_kstat = NULL; #define CTL_SPL CTL_UNNUMBERED #define CTL_SPL_DEBUG CTL_UNNUMBERED +#define CTL_SPL_VM CTL_UNNUMBERED #define CTL_SPL_MUTEX CTL_UNNUMBERED #define CTL_SPL_KMEM CTL_UNNUMBERED #define CTL_SPL_KSTAT CTL_UNNUMBERED @@ -85,6 +86,15 @@ struct proc_dir_entry *proc_spl_kstat = NULL; #define CTL_CONSOLE_MIN_DELAY_CS CTL_UNNUMBERED /* Init delay skip messages */ #define CTL_CONSOLE_BACKOFF CTL_UNNUMBERED /* Delay increase factor */ +#define CTL_VM_MINFREE CTL_UNNUMBERED /* Minimum free memory */ +#define CTL_VM_DESFREE CTL_UNNUMBERED /* Desired free memory */ +#define CTL_VM_LOTSFREE CTL_UNNUMBERED /* Lots of free memory */ +#define CTL_VM_NEEDFREE CTL_UNNUMBERED /* Need free memory */ +#define CTL_VM_SWAPFS_MINFREE CTL_UNNUMBERED /* Minimum swapfs memory */ +#define CTL_VM_SWAPFS_DESFREE CTL_UNNUMBERED /* Desired swapfs memory */ +#define CTL_VM_SWAPFS_RESERVE CTL_UNNUMBERED /* Reserved swapfs memory */ +#define CTL_VM_AVAILRMEM CTL_UNNUMBERED /* Available reserved memory */ + #ifdef DEBUG_KMEM #define CTL_KMEM_KMEMUSED CTL_UNNUMBERED /* Alloc'd kmem bytes */ #define CTL_KMEM_KMEMMAX CTL_UNNUMBERED /* Max alloc'd by kmem bytes */ @@ -99,44 +109,56 @@ struct proc_dir_entry *proc_spl_kstat = NULL; #else /* HAVE_CTL_UNNUMBERED */ -#define CTL_SPL 0x87 -#define CTL_SPL_DEBUG 0x88 -#define CTL_SPL_MUTEX 0x89 -#define CTL_SPL_KMEM 0x90 -#define CTL_SPL_KSTAT 0x91 +enum { + CTL_SPL = 0x87, + CTL_SPL_DEBUG = 0x88, + CTL_SPL_VM = 0x89, + CTL_SPL_MUTEX = 0x90, + CTL_SPL_KMEM = 0x91, + CTL_SPL_KSTAT = 0x92, +}; enum { - CTL_VERSION = 1, /* Version */ - CTL_HOSTID, /* Host id reported by /usr/bin/hostid */ - CTL_HW_SERIAL, /* Hardware serial number from hostid */ - - CTL_DEBUG_SUBSYS, /* Debug subsystem */ - CTL_DEBUG_MASK, /* Debug mask */ - CTL_DEBUG_PRINTK, /* Force all messages to console */ - CTL_DEBUG_MB, /* Debug buffer size */ - CTL_DEBUG_BINARY, /* Include binary data in buffer */ - CTL_DEBUG_CATASTROPHE, /* Set if we have BUG'd or panic'd */ - CTL_DEBUG_PANIC_ON_BUG, /* Set if we should panic on BUG */ - CTL_DEBUG_PATH, /* Dump log location */ - CTL_DEBUG_DUMP, /* Dump debug buffer to file */ - CTL_DEBUG_FORCE_BUG, /* Hook to force a BUG */ - CTL_DEBUG_STACK_SIZE, /* Max observed stack size */ - - CTL_CONSOLE_RATELIMIT, /* Ratelimit console messages */ - CTL_CONSOLE_MAX_DELAY_CS, /* Max delay at which we skip messages */ - CTL_CONSOLE_MIN_DELAY_CS, /* Init delay at which we skip messages */ - CTL_CONSOLE_BACKOFF, /* Delay increase factor */ + CTL_VERSION = 1, /* Version */ + CTL_HOSTID, /* Host id reported by /usr/bin/hostid */ + CTL_HW_SERIAL, /* Hardware serial number from hostid */ + + CTL_DEBUG_SUBSYS, /* Debug subsystem */ + CTL_DEBUG_MASK, /* Debug mask */ + CTL_DEBUG_PRINTK, /* Force all messages to console */ + CTL_DEBUG_MB, /* Debug buffer size */ + CTL_DEBUG_BINARY, /* Include binary data in buffer */ + CTL_DEBUG_CATASTROPHE, /* Set if we have BUG'd or panic'd */ + CTL_DEBUG_PANIC_ON_BUG, /* Set if we should panic on BUG */ + CTL_DEBUG_PATH, /* Dump log location */ + CTL_DEBUG_DUMP, /* Dump debug buffer to file */ + CTL_DEBUG_FORCE_BUG, /* Hook to force a BUG */ + CTL_DEBUG_STACK_SIZE, /* Max observed stack size */ + + CTL_CONSOLE_RATELIMIT, /* Ratelimit console messages */ + CTL_CONSOLE_MAX_DELAY_CS, /* Max delay which we skip messages */ + CTL_CONSOLE_MIN_DELAY_CS, /* Init delay which we skip messages */ + CTL_CONSOLE_BACKOFF, /* Delay increase factor */ + + CTL_VM_MINFREE, /* Minimum free memory threshold */ + CTL_VM_DESFREE, /* Desired free memory threshold */ + CTL_VM_LOTSFREE, /* Lots of free memory threshold */ + CTL_VM_NEEDFREE, /* Need free memory deficit */ + CTL_VM_SWAPFS_MINFREE, /* Minimum swapfs memory */ + CTL_VM_SWAPFS_DESFREE, /* Desired swapfs memory */ + CTL_VM_SWAPFS_RESERVE, /* Reserved swapfs memory */ + CTL_VM_AVAILRMEM, /* Available reserved memory */ #ifdef DEBUG_KMEM - CTL_KMEM_KMEMUSED, /* Alloc'd kmem bytes */ - CTL_KMEM_KMEMMAX, /* Max alloc'd by kmem bytes */ - CTL_KMEM_VMEMUSED, /* Alloc'd vmem bytes */ - CTL_KMEM_VMEMMAX, /* Max alloc'd by vmem bytes */ + CTL_KMEM_KMEMUSED, /* Alloc'd kmem bytes */ + CTL_KMEM_KMEMMAX, /* Max alloc'd by kmem bytes */ + CTL_KMEM_VMEMUSED, /* Alloc'd vmem bytes */ + CTL_KMEM_VMEMMAX, /* Max alloc'd by vmem bytes */ #endif - CTL_MUTEX_STATS, /* Global mutex statistics */ - CTL_MUTEX_STATS_PER, /* Per mutex statistics */ - CTL_MUTEX_SPIN_MAX, /* Maximum mutex spin iterations */ + CTL_MUTEX_STATS, /* Global mutex statistics */ + CTL_MUTEX_STATS_PER, /* Per mutex statistics */ + CTL_MUTEX_SPIN_MAX, /* Maximum mutex spin iterations */ }; #endif /* HAVE_CTL_UNNUMBERED */ @@ -769,6 +791,74 @@ static struct ctl_table spl_debug_table[] = { {0}, }; +static struct ctl_table spl_vm_table[] = { + { + .ctl_name = CTL_VM_MINFREE, + .procname = "minfree", + .data = &minfree, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_DESFREE, + .procname = "desfree", + .data = &desfree, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_LOTSFREE, + .procname = "lotsfree", + .data = &lotsfree, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_NEEDFREE, + .procname = "needfree", + .data = &needfree, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_SWAPFS_MINFREE, + .procname = "swapfs_minfree", + .data = &swapfs_minfree, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_SWAPFS_DESFREE, + .procname = "swapfs_desfree", + .data = &swapfs_desfree, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_SWAPFS_RESERVE, + .procname = "swapfs_reserve", + .data = &swapfs_reserve, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, + { + .ctl_name = CTL_VM_AVAILRMEM, + .procname = "availrmem", + .data = &availrmem, + .maxlen = sizeof(int), + .mode = 0444, + .proc_handler = &proc_dointvec, + }, + {0}, +}; + #ifdef DEBUG_MUTEX static struct ctl_table spl_mutex_table[] = { { @@ -873,6 +963,12 @@ static struct ctl_table spl_table[] = { .mode = 0555, .child = spl_debug_table, }, + { + .ctl_name = CTL_SPL_VM, + .procname = "vm", + .mode = 0555, + .child = spl_vm_table, + }, #ifdef DEBUG_MUTEX { .ctl_name = CTL_SPL_MUTEX, |