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perf tools: Add machine__kernel_ip()

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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>
This commit is contained in:
Adrian Hunter
2014-08-15 22:08:39 +03:00
committed by Arnaldo Carvalho de Melo
parent 4b99375b38
commit fbe2af45f6
3 changed files with 43 additions and 3 deletions
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17
tools/perf/util/machine.h
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@@ -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,