[PATCH -tip 0/4] perf-probe updates: string support, etc.

From: Masami Hiramatsu
Date: Mon May 17 2010 - 22:44:20 EST


Here is a series of patches which improves perf probe to
add below features.

- String support, which enables dynamic events to trace string
variables instead of its address.

- Fixed-index array entry support, which allows user to trace
an array entry with digit index, e.g. array[0].

- Global/static variable support, which allows user to trace
global or static variables, as same as local one.

TODOs (possible features):
- Support dynamic array-indexing (var[var2])
- Support force type-casting ((type)var)
- Show what deta-structure member is assigned to each argument.
- Better support for probes on modules
- More debugger like enhancements(%next, --disasm, etc.)

Thank you,


Masami Hiramatsu (4):
perf probe: Support static and global variables
perf probe: Support tracing an entry of array
perf probe: Support "string" type
tracing/kprobes: Support "string" type

Documentation/trace/kprobetrace.txt | 2
kernel/trace/trace_kprobe.c | 356 ++++++++++++++++++++++++-------
tools/perf/Documentation/perf-probe.txt | 4
tools/perf/util/probe-event.c | 71 ++++--
tools/perf/util/probe-event.h | 1
tools/perf/util/probe-finder.c | 192 +++++++++++++----
6 files changed, 484 insertions(+), 142 deletions(-)

Masami Hiramatsu
e-mail: mhiramat@xxxxxxxxxx
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