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create rusage branch.

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This commit is contained in:
Katsukura
2017-03-15 23:22:51 +09:00
parent eca4018ecb
commit 3fe2257929
23 changed files with 1013 additions and 40 deletions
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24
kernel/include/syscall.h
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@ -73,6 +73,7 @@
/* #define SCD_MSG_SYSFS_RESP_CLEANUP 0x43 */
#define SCD_MSG_PROCFS_TID_CREATE 0x44
#define SCD_MSG_PROCFS_TID_DELETE 0x45
#define SCD_MSG_EVENT_SIGNAL 0x46
/* Cloning flags. */
# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */
@ -374,6 +375,29 @@ struct tod_data_s {
};
extern struct tod_data_s tod_data; /* residing in arch-dependent file */
static inline void tsc_to_ts(unsigned long tsc, struct timespec *ts)
{
time_t sec_delta;
long ns_delta;
sec_delta = tsc / tod_data.clocks_per_sec;
ns_delta = NS_PER_SEC * (tsc % tod_data.clocks_per_sec)
/ tod_data.clocks_per_sec;
/* calc. of ns_delta overflows if clocks_per_sec exceeds 18.44 GHz */
ts->tv_sec = sec_delta;
ts->tv_nsec = ns_delta;
if (ts->tv_nsec >= NS_PER_SEC) {
ts->tv_nsec -= NS_PER_SEC;
++ts->tv_sec;
}
}
static inline unsigned long timespec_to_jiffy(const struct timespec *ats)
{
return ats->tv_sec * 100 + ats->tv_nsec / 10000000;
}
void reset_cputime();
void set_cputime(int mode);
int do_munmap(void *addr, size_t len);