Changeset 25939997 in mainline for kernel/generic/src/time/clock.c

Timestamp:

2024-01-19T16:21:20Z (10 months ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

master

Children:

c1eaec4

Parents:

1c1767f

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2023-04-16 19:36:25)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2024-01-19 16:21:20)

Message:

Make separate-stack-scheduler a loop with persistent context

We can see scheduler as a looping idle thread in which a thread
is repeatedly retrieved from a queue, prepared, switched to,
returned from, and cleaned up after.

IMO this is a more natural view of the process.

File:

• kernel/generic/src/time/clock.c (modified) (1 diff)

kernel/generic/src/time/clock.c

@@ -123 +123 @@
 static void cpu_update_accounting(void)
 {
+        // FIXME: get_cycle() is unimplemented on several platforms
         uint64_t now = get_cycle();
         atomic_time_increment(&CPU->busy_cycles, now - CPU_LOCAL->last_cycle);