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SubjectRe: [PATCH 3/3] utrace-based ftrace "process" engine, v2

* Roland McGrath <> wrote:

> From: Frank Ch. Eigler <>
> This is v2 of the prototype utrace-ftrace interface. This code is
> based on Roland McGrath's utrace API, which provides programmatic
> hooks to the in-tree tracehook layer. This new patch interfaces
> many of those events to ftrace, as configured by a small number of
> debugfs controls. Here's the
> /debugfs/tracing/process_trace_README:

Please submit changes/enhancements to kernel/trace/* to the tracing
tree maintainers (Steve and me) for review, testing and integration.

Please also post patches against the latest tracing tree:

As this patch does not apply:

Applying patch patches/utrace-based-ftrace-process-engine-v2.patch
patching file include/linux/processtrace.h
patching file kernel/trace/Kconfig
Hunk #1 succeeded at 186 with fuzz 2 (offset 36 lines).
patching file kernel/trace/Makefile
Hunk #1 FAILED at 33.
1 out of 1 hunk FAILED -- rejects in file kernel/trace/Makefile
patching file kernel/trace/trace.h
Hunk #1 succeeded at 7 with fuzz 1.
Hunk #2 FAILED at 31.
Hunk #3 succeeded at 215 with fuzz 2 (offset 43 lines).
Hunk #4 FAILED at 330.
2 out of 4 hunks FAILED -- rejects in file kernel/trace/trace.h
patching file kernel/trace/trace_process.c
Patch patches/utrace-based-ftrace-process-engine-v2.patch does not apply (enforce with -f)



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