perf symbols: Record the domain of DSOs in HEADER_BUILD_ID header table

So that we can restore them to the right DSO list (either
dsos__kernel or dsos__user).

We do that just like the kernel does for the other events,
encoding PERF_RECORD_MISC_{KERNEL,USER} in perf_event_header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1262901583-8074-2-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e0e6a075489e..378ac5422bcf 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -255,6 +255,7 @@ int perf_header__read_build_ids(int input, u64 offset, u64 size)
         while (offset < limit) {
                 struct dso *dso;
                 ssize_t len;
+                struct list_head *head = &dsos__user;
 
                 if (read(input, &bev, sizeof(bev)) != sizeof(bev))
                         goto out;
@@ -263,7 +264,10 @@ int perf_header__read_build_ids(int input, u64 offset, u64 size)
                 if (read(input, filename, len) != len)
                         goto out;
 
-                dso = dsos__findnew(filename);
+                if (bev.header.misc & PERF_RECORD_MISC_KERNEL)
+                        head = &dsos__kernel;
+
+                dso = __dsos__findnew(head, filename);
                 if (dso != NULL)
                         dso__set_build_id(dso, &bev.build_id);