diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-08-15 22:08:39 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-22 13:12:12 -0300 |
| commit | fbe2af45f6bd27ee69fd775303c936c3af4a4807 (patch) | |
| tree | a3592cf08457e8f6735eec760ee2ee74c06d0866 /tools/perf/util/machine.h | |
| parent | 4b99375b38fa137f501cfa60b70e3f0a9da39c93 (diff) | |
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 <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1408129739-17368-5-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/machine.h')
| -rw-r--r-- | tools/perf/util/machine.h | 17 |
1 files changed, 17 insertions, 0 deletions
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, |