On Mon, Mar 12, 2018 at 12:20:41PM +0100, Ingo Molnar wrote: SNIP
> > It's also available in here: > > https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git > > perf/bp > > > > v2 changes: > > - added check for the rest of the perf_event_attr fields > > to be the same as for kernel event > > > > Jiri Olsa (7): > > hw_breakpoint: Pass bp_type directly as find_slot_idx argument > > hw_breakpoint: Pass bp_type argument to > > __reserve_bp_slot|__release_bp_slot > > hw_breakpoint: Add modify_bp_slot function > > hw_breakpoint: Factor out __modify_user_hw_breakpoint function > > hw_breakpoint: Add perf_event_attr fields check in > > __modify_user_hw_breakpoint > > perf/core: Move perf_event_attr::sample_max_stack into perf_copy_attr > > perf tests: Add breakpoint accounting/modify test > > > > Milind Chabbi (1): > > perf/core: fast breakpoint modification via _IOC_MODIFY_ATTRIBUTES. > > > > include/linux/hw_breakpoint.h | 7 +++++ > > include/uapi/linux/perf_event.h | 2 ++ > > kernel/events/core.c | 53 +++++++++++++++++++++++++++++-- > > kernel/events/hw_breakpoint.c | 115 > > ++++++++++++++++++++++++++++++++++++++++++++++++------------------- > > tools/include/uapi/linux/perf_event.h | 2 ++ > > tools/perf/tests/Build | 1 + > > tools/perf/tests/bp_account.c | 195 > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > tools/perf/tests/builtin-test.c | 4 +++ > > tools/perf/tests/tests.h | 1 + > > 9 files changed, 344 insertions(+), 36 deletions(-) > > create mode 100644 tools/perf/tests/bp_account.c > > Sorry about the late response - I suppose we could try this feature, but the > tooling patches don't apply anymore. Mind re-sending a merged version, on top > of > latest -tip or so? sure, I'll resend thanks, jirka
