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mcctrl: store per-process data in hash table

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This commit is contained in:
Balazs Gerofi
2016-08-15 13:47:57 +09:00
parent e4239f1885
commit 6ff2d4abe7
4 changed files with 99 additions and 39 deletions
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21
executer/kernel/mcctrl/mcctrl.h
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@@ -182,7 +182,7 @@ struct mcctrl_per_thread_data {
#define MCCTRL_PER_THREAD_DATA_HASH_MASK (MCCTRL_PER_THREAD_DATA_HASH_SIZE - 1)
struct mcctrl_per_proc_data {
struct list_head list;
struct list_head hash;
int pid;
unsigned long rpgtable; /* per process, not per OS */
@@ -251,6 +251,10 @@ struct node_topology {
#define CPU_LONGS (((NR_CPUS) + (BITS_PER_LONG) - 1) / (BITS_PER_LONG))
#define MCCTRL_PER_PROC_DATA_HASH_SHIFT 7
#define MCCTRL_PER_PROC_DATA_HASH_SIZE (1 << MCCTRL_PER_PROC_DATA_HASH_SHIFT)
#define MCCTRL_PER_PROC_DATA_HASH_MASK (MCCTRL_PER_PROC_DATA_HASH_SIZE - 1)
struct mcctrl_usrdata {
struct ihk_ikc_listen_param listen_param;
struct ihk_ikc_listen_param listen_param2;
@@ -266,8 +270,9 @@ struct mcctrl_usrdata {
unsigned long last_thread_exec;
wait_queue_head_t wq_prepare;
struct list_head per_proc_list;
ihk_spinlock_t per_proc_list_lock;
struct list_head per_proc_data_hash[MCCTRL_PER_PROC_DATA_HASH_SIZE];
rwlock_t per_proc_data_hash_lock[MCCTRL_PER_PROC_DATA_HASH_SIZE];
void **keys;
struct sysfsm_data sysfsm_data;
unsigned long cpu_online[CPU_LONGS];
@@ -295,15 +300,19 @@ ihk_os_t osnum_to_os(int n);
/* syscall.c */
int __do_in_kernel_syscall(ihk_os_t os, struct ikc_scd_packet *packet);
int mcctrl_add_per_proc_data(struct mcctrl_usrdata *ud, int pid,
struct mcctrl_per_proc_data *ppd);
int mcctrl_delete_per_proc_data(struct mcctrl_usrdata *ud, int pid);
inline struct mcctrl_per_proc_data *mcctrl_get_per_proc_data(
struct mcctrl_usrdata *ud,
int pid);
struct mcctrl_usrdata *ud, int pid);
int mcctrl_add_per_thread_data(struct mcctrl_per_proc_data* ppd,
struct task_struct *task, void *data);
int mcctrl_delete_per_thread_data(struct mcctrl_per_proc_data* ppd,
struct task_struct *task);
struct mcctrl_per_thread_data *mcctrl_get_per_thread_data(
inline struct mcctrl_per_thread_data *mcctrl_get_per_thread_data(
struct mcctrl_per_proc_data *ppd, struct task_struct *task);
void __return_syscall(ihk_os_t os, struct ikc_scd_packet *packet,
int ret, int stid);