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Kernel+LibC: Add sys$perf_register_string()

This syscall allows userspace to register a keyed string that appears in
a new "strings" JSON object in profile output.

This will be used to add custom strings to profile signposts. :^)
This commit is contained in:
Andreas Kling 2021-08-11 20:28:29 +02:00
parent 00b11d7577
commit 4657c79143
7 changed files with 43 additions and 0 deletions

View file

@ -119,6 +119,7 @@ enum {
#define PERF_EVENT_MASK_ALL (~0ull)
int perf_event(int type, uintptr_t arg1, uintptr_t arg2);
int perf_register_string(uintptr_t string_id, char const* string, size_t string_length);
int get_stack_bounds(uintptr_t* user_stack_base, size_t* user_stack_size);