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Kernel: Make sys$perf_register_string() generate the string ID's

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Making userspace provide a global string ID was silly, and made the API
extremely difficult to use correctly in a global profiling context.

Instead, simply make the kernel do the string ID allocation for us.
This also allows us to convert the string storage to a Vector in the
kernel (and an array in the JSON profile data.)
This commit is contained in:
Andreas Kling 2021-08-11 20:41:29 +02:00
parent 56e84a63ca
commit 1e90a3a542
8 changed files with 24 additions and 24 deletions
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4
Userland/Libraries/LibC/serenity.cpp
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@ -95,9 +95,9 @@ int perf_event(int type, uintptr_t arg1, FlatPtr arg2)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int perf_register_string(uintptr_t string_id, char const* string, size_t string_length)
int perf_register_string(char const* string, size_t string_length)
{
int rc = syscall(SC_perf_register_string, string_id, string, string_length);
int rc = syscall(SC_perf_register_string, string, string_length);
__RETURN_WITH_ERRNO(rc, rc, -1);
}