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perf machine: Set kernel data mapping length 

Currently only text (function) mapping was set, so that the kernel data
addresses couldn't parsed correctly.  Fix it.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1352273234-28912-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-11-07 16:27:10 +09:00 committed by Arnaldo Carvalho de Melo
parent 8dfec403e3
commit 4552cf0f77
1 changed files with 13 additions and 9 deletions
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22
tools/perf/util/machine.c
View File

@ -84,15 +84,19 @@ int machine__process_lost_event(struct machine *machine __maybe_unused,
static void machine__set_kernel_mmap_len(struct machine *machine,
union perf_event *event)
{
machine->vmlinux_maps[MAP__FUNCTION]->start = event->mmap.start;
machine->vmlinux_maps[MAP__FUNCTION]->end = (event->mmap.start +
event->mmap.len);
/*
* Be a bit paranoid here, some perf.data file came with
* a zero sized synthesized MMAP event for the kernel.
*/
if (machine->vmlinux_maps[MAP__FUNCTION]->end == 0)
machine->vmlinux_maps[MAP__FUNCTION]->end = ~0ULL;
int i;
for (i = 0; i < MAP__NR_TYPES; i++) {
machine->vmlinux_maps[i]->start = event->mmap.start;
machine->vmlinux_maps[i]->end = (event->mmap.start +
event->mmap.len);
/*
* Be a bit paranoid here, some perf.data file came with
* a zero sized synthesized MMAP event for the kernel.
*/
if (machine->vmlinux_maps[i]->end == 0)
machine->vmlinux_maps[i]->end = ~0ULL;
}
}
static int machine__process_kernel_mmap_event(struct machine *machine,