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perf machine: Generalize machine__set_kernel_mmap() 

So it could be called without event object, just with start and end
values. It will be used in following patch.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180215122635.24029-6-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-02-15 13:26:31 +01:00 committed by Arnaldo Carvalho de Melo
parent 8c7f1bb37b
commit 05db6ff73d
1 changed files with 7 additions and 6 deletions
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13
tools/perf/util/machine.c
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@ -1262,15 +1262,15 @@ int machine__create_kernel_maps(struct machine *machine)
return 0;
}
static void machine__set_kernel_mmap_len(struct machine *machine,
union perf_event *event)
static void machine__set_kernel_mmap(struct machine *machine,
u64 start, u64 end)
{
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);
machine->vmlinux_maps[i]->start = start;
machine->vmlinux_maps[i]->end = end;
/*
* Be a bit paranoid here, some perf.data file came with
* a zero sized synthesized MMAP event for the kernel.
@ -1375,7 +1375,8 @@ static int machine__process_kernel_mmap_event(struct machine *machine,
if (strstr(kernel->long_name, "vmlinux"))
dso__set_short_name(kernel, "[kernel.vmlinux]", false);
machine__set_kernel_mmap_len(machine, event);
machine__set_kernel_mmap(machine, event->mmap.start,
event->mmap.start + event->mmap.len);
/*
* Avoid using a zero address (kptr_restrict) for the ref reloc