style(ke): rename timecounter to time

src/kern/log.zig

@@ -96,7 +96,7 @@ pub fn log(
 
     var res = ringbuffer.reserve(discarder.fullCount()) catch return;
 
-    res.info.timestamp = ke.timecounter.read_time_nano();
+    res.info.timestamp = ke.time.read_time_nano();
     res.info.length = @truncate(discarder.fullCount());
 
     res.buf = std.fmt.bufPrint(res.buf, fmt ++ "\n", args) catch return;

src/kern/private.zig

@@ -25,7 +25,7 @@ pub const log = @import("log.zig");
 pub const cpu = @import("cpu.zig");
 pub const thread = @import("thread.zig");
 pub const dpc = @import("dpc.zig");
-pub const timecounter = @import("timecounter.zig");
+pub const time = @import("time.zig");
 pub const sched = @import("sched.zig");
 pub const wait = @import("wait.zig");
 pub const timer = @import("timer.zig");

src/kern/root.zig

@@ -10,8 +10,12 @@ pub const Ipl = p.ipl.Ipl;
 pub const SpinLock = p.spinlock.SpinLock;
 pub const Thread = p.thread.Thread;
 pub const Dpc = p.dpc.Dpc;
-pub const TimeCounter = p.timecounter.TimeCounter;
+pub const TimeCounter = p.time.TimeCounter;
 pub const Timer = p.timer.Timer;
+pub const Console = p.log.Console;
+pub const Cpu = p.cpu.Cpu;
+pub const CpuLocal = p.cpu.CpuLocal;
+pub const CpuMask = p.cpu.CpuMask;
 
 // === Exported Interfaces ===
 pub const panic = p.panic.panic;
@@ -30,9 +34,9 @@ pub const dpc = struct {
     pub const enqueue = p.dpc.enqueue;
 };
 
-pub const timecounter = struct {
-    pub const register = p.timecounter.register;
-    pub const read_time_nano = p.timecounter.read_time_nano;
+pub const time = struct {
+    pub const register_source = p.time.register_source;
+    pub const read_time_nano = p.time.read_time_nano;
 };
 
 pub const sched = struct {
@@ -56,12 +60,6 @@ pub const log = struct {
     pub const log = p.log.log;
 };
 
-pub const Console = p.log.Console;
-
-pub const Cpu = p.cpu.Cpu;
-pub const CpuLocal = p.cpu.CpuLocal;
-pub const CpuMask = p.cpu.CpuMask;
-
 comptime {
     if (!@hasDecl(p.impl, "curcpu")) @compileError("impl must provide curcpu()");
 }

src/kern/sched.zig

@@ -228,7 +228,7 @@ pub fn block() void {
     td.lock.acquire_no_ipl();
 
     td.state = .Blocked;
-    td.sleep_start = ke.timecounter.read_time_nano();
+    td.sleep_start = ke.time.read_time_nano();
     td.runq = null;
 
     yield(ke.curcpu());
@@ -241,7 +241,7 @@ pub fn block() void {
 pub fn unblock(td: *ke.Thread) void {
     const ipl = td.lock.acquire();
 
-    td.sleep_time = (ke.timecounter.read_time_nano() - td.sleep_start) / std.time.ns_per_ms;
+    td.sleep_time = (ke.time.read_time_nano() - td.sleep_start) / std.time.ns_per_ms;
 
     if (td.sleep_time >= config.CONFIG_SCHED_TIMESLICE and td.priority_class == .Batch) {
         // If we have slept for more than a tick, update interactivity.

src/kern/time.zig

@@ -60,7 +60,7 @@ fn ticks_to_ns(tc: *TimeCounter, count: u64) u64 {
 /// Register a time-keeping source.
 /// The TimeCounter will be used if it is the highest quality one available.
 /// This function cannot be safely called when the hardware timer has been started, as data races on `best_tc` are not avoided.
-pub fn register(tc: *TimeCounter) void {
+pub fn register_source(tc: *TimeCounter) void {
     // Precompute scaling factors for the fast multiply-shift path.
     // This is meant to avoid 128-bit division and only use multiplication for 64-bit counters.
     if (tc.mask == std.math.maxInt(u64)) {

src/kern/timer.zig

@@ -75,7 +75,7 @@ pub fn set(timer: *Timer, time: b.Nanoseconds, dpc: ?*ke.Dpc) void {
     defer cpu.lock.release_no_ipl();
 
     // Initialize the timer.
-    timer.deadline = ke.timecounter.read_time_nano() + time;
+    timer.deadline = ke.time.read_time_nano() + time;
 
     timer.cpu = cpu;
     timer.dpc = dpc;
@@ -134,7 +134,7 @@ pub fn clock() void {
     ke.dpc.enqueue(&percpu.local().dpc, null);
     // Check for overflows.
     // This is fine to call a lot, as the function only gets expensive (i.e seqlock store) when an overflow actually happens.
-    ki.timecounter.update_overflow();
+    ki.time.update_overflow();
 }
 
 // Called in a DPC when a timer has expired.
@@ -143,7 +143,7 @@ fn handle_expiry(_: ?*anyopaque) void {
     const cpu = percpu.local();
 
     while (true) {
-        const curtime = ke.timecounter.read_time_nano();
+        const curtime = ke.time.read_time_nano();
 
         cpu.lock.acquire_no_ipl();
 
@@ -162,7 +162,7 @@ fn handle_expiry(_: ?*anyopaque) void {
             cpu.lock.release_no_ipl();
 
             // Re-check in case the timer expired while we were here.
-            const now = ke.timecounter.read_time_nano();
+            const now = ke.time.read_time_nano();
             if (next.deadline <= now or next.deadline - now <= std.time.ns_per_ms) {
                 continue; // expired in the meantime, loop again
             }

src/platform/um/timer.zig

@@ -57,7 +57,7 @@ pub fn init() void {
 
     posix.sigaction(posix.SIG.ALRM, &act, null);
 
-    ke.timecounter.register(&tc);
+    ke.time.register_source(&tc);
 }
 
 pub fn init_cpu() void {