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Kernel+LibC: Add sys$perf_register_string()

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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
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1
Kernel/API/Syscall.h
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@ -131,6 +131,7 @@ enum class NeedsBigProcessLock {
S(munmap, NeedsBigProcessLock::Yes) \
S(open, NeedsBigProcessLock::Yes) \
S(perf_event, NeedsBigProcessLock::Yes) \
S(perf_register_string, NeedsBigProcessLock::Yes) \
S(pipe, NeedsBigProcessLock::Yes) \
S(pledge, NeedsBigProcessLock::Yes) \
S(poll, NeedsBigProcessLock::Yes) \