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Merge pull request #17318 from gh-fork-dump/linux-5.6-cachestat

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Update Linux syscalls for 5.5 and add a wrapper for `cachestat`
This commit is contained in:
Andrew Kelley 2023-09-28 16:27:28 -07:00 committed by GitHub
commit 077994abb6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 2 deletions
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28
lib/std/os/linux.zig
View File

@ -1876,6 +1876,21 @@ pub fn ptrace(
);
}
pub fn cachestat(
fd: fd_t,
cstat_range: *const cache_stat_range,
cstat: *cache_stat,
flags: u32,
) usize {
return syscall4(
.cachestat,
@as(usize, @bitCast(@as(isize, fd))),
@intFromPtr(cstat_range),
@intFromPtr(cstat),
flags,
);
}
pub const E = switch (native_arch) {
.mips, .mipsel => @import("linux/errno/mips.zig").E,
.sparc, .sparcel, .sparc64 => @import("linux/errno/sparc.zig").E,
@ -5829,3 +5844,16 @@ pub const PTRACE = struct {
pub const SECCOMP_GET_METADATA = 0x420d;
pub const GET_SYSCALL_INFO = 0x420e;
};
pub const cache_stat_range = extern struct {
off: u64,
len: u64,
};
pub const cache_stat = extern struct {
cache: u64,
dirty: u64,
writeback: u64,
evicted: u64,
recently_evicted: u64,
};

10
lib/std/os/linux/syscalls.zig
View File

@ -442,6 +442,7 @@ pub const X86 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const X64 = enum(usize) {
@ -807,6 +808,7 @@ pub const X64 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const Arm = enum(usize) {
@ -1215,6 +1217,7 @@ pub const Arm = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
breakpoint = arm_base + 1,
cacheflush = arm_base + 2,
@ -1607,6 +1610,7 @@ pub const Sparc64 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const Mips = enum(usize) {
@ -2030,6 +2034,7 @@ pub const Mips = enum(usize) {
process_mrelease = Linux + 448,
futex_waitv = Linux + 449,
set_mempolicy_home_node = Linux + 450,
cachestat = Linux + 451,
};
pub const Mips64 = enum(usize) {
@ -2389,6 +2394,7 @@ pub const Mips64 = enum(usize) {
process_mrelease = Linux + 448,
futex_waitv = Linux + 449,
set_mempolicy_home_node = Linux + 450,
cachestat = Linux + 451,
};
pub const PowerPC = enum(usize) {
@ -2823,6 +2829,7 @@ pub const PowerPC = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const PowerPC64 = enum(usize) {
@ -3229,6 +3236,7 @@ pub const PowerPC64 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const Arm64 = enum(usize) {
@ -3538,6 +3546,7 @@ pub const Arm64 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
};
pub const RiscV64 = enum(usize) {
@ -3848,6 +3857,7 @@ pub const RiscV64 = enum(usize) {
process_mrelease = 448,
futex_waitv = 449,
set_mempolicy_home_node = 450,
cachestat = 451,
riscv_flush_icache = arch_specific_syscall + 15,
};

2
tools/generate_linux_syscalls.zig
View File

@ -262,7 +262,6 @@ pub fn main() !void {
.argv = &child_args,
.cwd = linux_path,
.cwd_dir = linux_dir,
.max_output_bytes = 20 * 1024,
});
if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr});
@ -324,7 +323,6 @@ pub fn main() !void {
.argv = &child_args,
.cwd = linux_path,
.cwd_dir = linux_dir,
.max_output_bytes = 20 * 1024,
});
if (child_result.stderr.len > 0) std.debug.print("{s}\n", .{child_result.stderr});