Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 17/24] tools list traceevent: Update kvm plugin with is_writable_pte helper | Date | Sun, 1 Sep 2013 12:48:42 +0200 |
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Adding is_writable_pte print helper function, so the kvmmmu:fast_page_fault print format gets resolved properly.
Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: David Ahern <dsahern@gmail.com> --- 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
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