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x/sys/unix: add linux cachestat system call #176

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x/sys/unix: add linux cachestat system call #176

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a119a9a
x/sys/unix: add cachestat system call
mauri870 Oct 7, 2023
909e5b9
types s/Cachestat/CachestatArgpack/g
mauri870 Oct 7, 2023
d18fbb9
s/CachestatArgpack/Cachestat_t/g
mauri870 Oct 8, 2023
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17 changes: 17 additions & 0 deletions unix/linux/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -461,6 +461,20 @@ struct my_can_bittiming_const {

struct riscv_hwprobe {};
#endif

// copied from /usr/include/uapi/linux/mman.h
struct cachestat_range {
__u64 off;
__u64 len;
};

struct cachestat {
__u64 nr_cache;
__u64 nr_dirty;
__u64 nr_writeback;
__u64 nr_evicted;
__u64 nr_recently_evicted;
};
*/
import "C"

Expand Down Expand Up @@ -5813,3 +5827,6 @@ const (
type SchedAttr C.struct_sched_attr

const SizeofSchedAttr = C.sizeof_struct_sched_attr

type Cachestat_t C.struct_cachestat
type CachestatRange C.struct_cachestat_range
2 changes: 2 additions & 0 deletions unix/syscall_linux.go
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Expand Up @@ -2482,3 +2482,5 @@ func SchedGetAttr(pid int, flags uint) (*SchedAttr, error) {
}
return attr, nil
}

//sys Cachestat(fd uint, crange *CachestatRange, cstat *Cachestat_t, flags uint) (err error)
10 changes: 10 additions & 0 deletions unix/zsyscall_linux.go
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12 changes: 12 additions & 0 deletions unix/ztypes_linux.go
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