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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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4
kernel/events/callchain.c
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@@ -200,7 +200,7 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user,
if (kernel && !user_mode(regs)) {
if (add_mark)
perf_callchain_store(&ctx, PERF_CONTEXT_KERNEL);
perf_callchain_store_context(&ctx, PERF_CONTEXT_KERNEL);
perf_callchain_kernel(&ctx, regs);
}
@@ -217,7 +217,7 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user,
goto exit_put;
if (add_mark)
perf_callchain_store(&ctx, PERF_CONTEXT_USER);
perf_callchain_store_context(&ctx, PERF_CONTEXT_USER);
perf_callchain_user(&ctx, regs);
}
}