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perf core: Add perf_callchain_store_context() helper

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We need have different helpers to account how many contexts we have in
the sample and for real addresses, so do it now as a prep patch, to
ease review.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-q964tnyuqrxw5gld18vizs3c@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2016-05-12 13:01:50 -03:00
parent 3b1fff0803
commit 3e4de4ec4c
3 changed files with 7 additions and 5 deletions
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6
arch/powerpc/perf/callchain.c
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@@ -76,7 +76,7 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re
next_ip = regs->nip;
lr = regs->link;
level = 0;
perf_callchain_store(entry, PERF_CONTEXT_KERNEL);
perf_callchain_store_context(entry, PERF_CONTEXT_KERNEL);
} else {
if (level == 0)
@@ -274,7 +274,7 @@ static void perf_callchain_user_64(struct perf_callchain_entry_ctx *entry,
read_user_stack_64(&uregs[PT_R1], &sp))
return;
level = 0;
perf_callchain_store(entry, PERF_CONTEXT_USER);
perf_callchain_store_context(entry, PERF_CONTEXT_USER);
perf_callchain_store(entry, next_ip);
continue;
}
@@ -473,7 +473,7 @@ static void perf_callchain_user_32(struct perf_callchain_entry_ctx *entry,
read_user_stack_32(&uregs[PT_R1], &sp))
return;
level = 0;
perf_callchain_store(entry, PERF_CONTEXT_USER);
perf_callchain_store_context(entry, PERF_CONTEXT_USER);
perf_callchain_store(entry, next_ip);
continue;
}