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Differential D10013

Add support for syscall::*fork:return probes in both parent and child.
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Authored by gnn on Mar 15 2017, 1:21 PM.
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Reviewers
rwatson
markj
Group Reviewers
DTrace
Summary

This supplants the previous attempt and goes in for a modification of the fork_return() code itself.

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Build Status
Buildable 8080
Build 8282: arc lint + arc unit

Event Timeline

gnn created this revision.Mar 15 2017, 1:21 PM
Harbormaster completed remote builds in B8059: Diff 26274.Mar 15 2017, 1:21 PM
gnn edited the summary of this revision. (Show Details)Mar 15 2017, 1:22 PM
gnn added reviewers: DTrace, rwatson, markj.
rwatson edited edge metadata.Mar 15 2017, 9:16 PM

How does this play out with non-native ABIs (e.g., the Linux emulator) -- I thought SYS_fork (etc) were ABI-specific system-call numbers?

(For that matter: how does the systrace provider work with non-native ABIs generally?)

gnn updated this revision to Diff 26309.Mar 16 2017, 8:58 AM

Remove filtering based on system call type (suggested by rwatson)

gnn abandoned this revision.Mar 20 2022, 8:04 PM

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sys/
kern/
5 lines

Diff 26309

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sys/kern/subr_syscall.c

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