Adding is_writable_pte print helper function, so the kvmmmu:fast_page_fault print format gets resolved properly.
Signed-off-by: Jiri Olsa <[email protected]> Cc: Corey Ashford <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: David Ahern <[email protected]> --- tools/lib/traceevent/plugin_kvm.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/lib/traceevent/plugin_kvm.c b/tools/lib/traceevent/plugin_kvm.c index a776cd6..ce805c5 100644 --- a/tools/lib/traceevent/plugin_kvm.c +++ b/tools/lib/traceevent/plugin_kvm.c @@ -427,6 +427,16 @@ static int kvm_mmu_get_page_handler(struct trace_seq *s, return kvm_mmu_print_role(s, record, event, context); } +#define PT_WRITABLE_SHIFT 1 +#define PT_WRITABLE_MASK (1ULL << PT_WRITABLE_SHIFT) + +unsigned long long process_is_writable_pte(struct trace_seq *s, + unsigned long long *args) +{ + unsigned long pte = args[0]; + return pte & PT_WRITABLE_MASK; +} + int PEVENT_PLUGIN_LOADER(struct pevent *pevent) { init_disassembler(); @@ -460,5 +470,11 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) "kvm_mmu_prepare_zap_page", kvm_mmu_print_role, NULL); + pevent_register_print_function(pevent, + process_is_writable_pte, + PEVENT_FUNC_ARG_INT, + "is_writable_pte", + PEVENT_FUNC_ARG_LONG, + PEVENT_FUNC_ARG_VOID); return 0; } -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
