Messages in this thread | | | Date | Mon, 8 Dec 2014 11:53:33 +0100 | From | Ingo Molnar <> | Subject | Re: [GIT PULL][RESEND] hw_breakpoints: Support AMD range breakpoints |
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* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> Ingo, > > Please pull the perf/core-v3 branch that can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > perf/core-v3 > > HEAD: 36748b9518a2437beffe861b47dff6d12b736b3f > > It has been acked by Jiri and Oleg. > --- > Summary: > > * Extend breakpoint tools and core to support address range through perf > event with initial backend support for AMD extended breakpoints. > Syntax is: > > perf record -e mem:addr/len:type > > For example set write breakpoint from 0x1000 to 0x1200 (0x1000 + 512) > > perf record -e mem:0x1000/512:w > > * Clean up a bit breakpoint code validation > --- > > > Thanks, > Frederic > --- > > Jacob Shin (4): > perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8 > perf tools: allow user to specify hardware breakpoint bp_len > perf tools: add hardware breakpoint bp_len test cases > perf/x86: Remove get_hbp_len and replace with bp_len > > > arch/x86/include/asm/cpufeature.h | 2 ++ > arch/x86/include/asm/debugreg.h | 5 +++ > arch/x86/include/asm/hw_breakpoint.h | 1 + > arch/x86/include/uapi/asm/msr-index.h | 4 +++ > arch/x86/kernel/cpu/amd.c | 19 +++++++++++ > arch/x86/kernel/hw_breakpoint.c | 45 ++++++++++--------------- > tools/perf/Documentation/perf-record.txt | 7 ++-- > tools/perf/tests/parse-events.c | 58 ++++++++++++++++++++++++++++++++ > tools/perf/util/parse-events.c | 21 ++++++------ > tools/perf/util/parse-events.h | 2 +- > tools/perf/util/parse-events.l | 1 + > tools/perf/util/parse-events.y | 26 ++++++++++++-- > 12 files changed, 148 insertions(+), 43 deletions(-)
Pulled into tip:perf/hw_breakpoints, thanks Frederic!
It might not make it into v3.19, we'll see.
Thanks,
Ingo
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