From fbe2af45f6bd27ee69fd775303c936c3af4a4807 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 15 Aug 2014 22:08:39 +0300 Subject: perf tools: Add machine__kernel_ip() Add a function to determine if an address is in the kernel. This is based on the kernel function kernel_ip(). Signed-off-by: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1408129739-17368-5-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/machine.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'tools/perf/util/machine.h') diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 61216e02831..6a6bcc1cff5 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -36,6 +36,7 @@ struct machine { struct list_head kernel_dsos; struct map_groups kmaps; struct map *vmlinux_maps[MAP__NR_TYPES]; + u64 kernel_start; symbol_filter_t symbol_filter; pid_t *current_tid; }; @@ -46,6 +47,22 @@ struct map *machine__kernel_map(struct machine *machine, enum map_type type) return machine->vmlinux_maps[type]; } +int machine__get_kernel_start(struct machine *machine); + +static inline u64 machine__kernel_start(struct machine *machine) +{ + if (!machine->kernel_start) + machine__get_kernel_start(machine); + return machine->kernel_start; +} + +static inline bool machine__kernel_ip(struct machine *machine, u64 ip) +{ + u64 kernel_start = machine__kernel_start(machine); + + return ip >= kernel_start; +} + struct thread *machine__find_thread(struct machine *machine, pid_t pid, pid_t tid); struct comm *machine__thread_exec_comm(struct machine *machine, -- cgit v1.2.3-70-g09d2