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

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2010-01-07 19:59:39 -02:00
committed by Ingo Molnar
parent fed5af61dc
commit a89e5abe3e
4 changed files with 23 additions and 9 deletions
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9
tools/perf/util/header.c
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@@ -193,7 +193,7 @@ static int write_padded(int fd, const void *bf, size_t count,
continue; \
else
static int __dsos__write_buildid_table(struct list_head *head, int fd)
static int __dsos__write_buildid_table(struct list_head *head, u16 misc, int fd)
{
struct dso *pos;
@@ -205,6 +205,7 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd)
len = ALIGN(len, NAME_ALIGN);
memset(&b, 0, sizeof(b));
memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id));
b.header.misc = misc;
b.header.size = sizeof(b) + len;
err = do_write(fd, &b, sizeof(b));
if (err < 0)
@@ -220,9 +221,11 @@ static int __dsos__write_buildid_table(struct list_head *head, int fd)
static int dsos__write_buildid_table(int fd)
{
int err = __dsos__write_buildid_table(&dsos__kernel, fd);
int err = __dsos__write_buildid_table(&dsos__kernel,
PERF_RECORD_MISC_KERNEL, fd);
if (err == 0)
err = __dsos__write_buildid_table(&dsos__user, fd);
err = __dsos__write_buildid_table(&dsos__user,
PERF_RECORD_MISC_USER, fd);
return err;
}